National Seminar on Innovations in Safety, Health and ...

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1 National Seminar on Innovations in Safety, Health and Environment Agri Science Innovations Focus: Health, Safety and Environment Protection Prakash Apte Managing Director, Syngenta India Ltd. The problem before us today: Global Food production is the highest ever and quality and safety is better than ever before, yet 14 mio people die of starvation every year & 800 mio people are clinically malnourished! And by 2025 we will have more than 8 billion people to feed: Global population is expected to grow from 6.2 Bio to 8 Bio in 2025, while farmland available per capita is shrinking! Secure & sustainable supply of high quality food, particularly in the developing countries; is a basic requirement for continued human development! In India the situation is more acute: During the last two decades of 20 th century, the population increased by 50% but food-producing land has shrunk by 5 %. Demand for healthier food is increasing with the growing awareness, but the farm land is being nibbled at to meet other economic needs e.g. urbanization & industrial infrastructure The Challenge: How to meet the nutritional requirements of growing population with minimal impact on the environment? Our President, Dr. A.P.J. Abdul Kalam has aptly summarized the challenge … “By 2020 India will require to produce over 380 million tons of food grains in view of the population growth. Our agricultural scientists, technologists have to work for doubling the productivity of the available land with lesser area being available for cultivation with less water …” Advanced Agricultural Science can help: Agri science has made great progress over last 50 years. This has enabled us to keep pace with the growing needs of increasing population. However, in recent years Indian Agriculture has not kept pace with the technological progress in other sectors of economy. In a country where about 2/3 rd of population derives its livelihood either directly or indirectly from agriculture; this imbalance could pose serious threat to our progress in the long run. A country of India’s size & diversity can not afford to ignore the threat to healthy development of human capital & sustainability of its environmental resources if the Agriculture is not modernised to keep pace with the aspirations of its people & globalisation of its economy. Agri science developments: Although Agri sector contributes over 20% to our GDP, we are lagging behind many other countries in adopting various new developments of Agri science a) Reduction of losses due to pests & disease b) New generation agrochemicals c) Productivity enhancement thru better seeds d) Genetically engineered crops e) Post harvest technologies f) Modern agronomic practises Crop Protection: It is estimated that in a tropical country like India, pests are responsible to losses up to 30% of the yield. Continued innovation/ discovery is required to reduce pest damage. Over the last 30 years, development in Crop Protection Products has helped in fulfilling these demands at a lower cost than ever before. Continuous innovation has led to development of Crop Protection products with: A safer you is a safer me.

Transcript of National Seminar on Innovations in Safety, Health and ...

Page 1: National Seminar on Innovations in Safety, Health and ...

1National Seminar on Innovations in Safety, Health and Environment

Agri Science InnovationsFocus: Health, Safety and Environment Protection

Prakash ApteManaging Director, Syngenta India Ltd.

The problem before us today:

Global Food production is the highest everand quality and safety is better than everbefore, yet 14 mio people die of starvationevery year & 800 mio people are clinicallymalnourished!

And by 2025 we will have more than 8 billionpeople to feed:

Global population is expected to growfrom 6.2 Bio to 8 Bio in 2025, whilefarmland available per capita is shrinking!

Secure & sustainable supply of high qualityfood, particularly in the developingcountries; is a basic requirement forcontinued human development!

In India the situation is more acute:

• During the last two decades of 20th

century, the population increased by 50%but food-producing land has shrunk by 5%.

• Demand for healthier food is increasingwith the growing awareness, but the farmland is being nibbled at to meet othereconomic needs e.g. urbanization &industrial infrastructure

The Challenge:

How to meet the nutritional requirements ofgrowing population with minimal impact on theenvironment?

Our President, Dr. A.P.J. Abdul Kalam hasaptly summarized the challenge … “By 2020India will require to produce over 380 milliontons of food grains in view of the populationgrowth. Our agricultural scientists,technologists have to work for doubling theproductivity of the available land with lesser areabeing available for cultivation with less water…”

Advanced Agricultural Science can help:

Agri science has made great progress over last50 years. This has enabled us to keep pace with thegrowing needs of increasing population. However, inrecent years Indian Agriculture has not kept pacewith the technological progress in other sectors ofeconomy. In a country where about 2/3 rd ofpopulation derives its livelihood either directly orindirectly from agriculture; this imbalance could poseserious threat to our progress in the long run.

A country of India’s size & diversity can notafford to ignore the threat to healthy development ofhuman capital & sustainability of its environmentalresources if the Agriculture is not modernised to keeppace with the aspirations of its people & globalisationof its economy.

Agri science developments:

Although Agri sector contributes over 20% toour GDP, we are lagging behind many other countriesin adopting various new developments of Agri science

a) Reduction of losses due to pests &disease

b) New generation agrochemicals

c) Productivity enhancement thru betterseeds

d) Genetically engineered crops

e) Post harvest technologies

f) Modern agronomic practises

Crop Protection:

It is estimated that in a tropical country likeIndia, pests are responsible to losses up to 30% ofthe yield. Continued innovation/ discovery is requiredto reduce pest damage. Over the last 30 years,development in Crop Protection Products has helpedin fulfilling these demands at a lower cost than everbefore. Continuous innovation has led to developmentof Crop Protection products with:

A safer you is a safer me.

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Lower use rates and better degradabilityleading to a lower environmental loading

Improved human safety profile forfarmers, workers and consumers

High-biological efficacy

Selective control of pests, diseases andweeds

Increased safety to naturally occurringinsects and organisms

Control of a broader spectrum of pests

Safer toxicological profile

Novel biochemical and biotechnologicalsolutions for resistant pests

The focus now is on selective pest controlformulations, which are currently under developmentaround the world. These new materials represent thebeginning of a new era in both synthetic organic andnatural origin pest control options. This era will becharacterized by low use rate, highly effective,generally selective agents designed for tactical strikes.In most cases, these materials will require moremanagement expertise, but will be far friendlier tothe total environment including biological controlorganisms.

New Formulation Technologies to addressHSE Objectives:

Extensive work is being carried out world wide,for developing new formulation technologies whichwould serve the objectives of easier application,labour saving, improved safety, reduced toxicity,minimization of environmental pollution, higherefficacy and reduced cost.

The areas of development include suspensionconcentrates, micro emulsions, granules, microgranules, water dispersible granules, concentratedemulsions; slow controlled release products, etc.

The changing public perceptions and customerattitudes favouring higher activity, greater efficiencyand environmental safety, the industry has respondedwith more active and selective Pest ManagementTools. Farming that ensures IPM tactics for safe andenvironmentally sustainable ways, will meet theenhanced requirement of safe food for the growingpopulation!

The Crop Protection pipeline have never beenmore impressive and carries the promise for evenbetter Pest Management Systems in the future tosupport the objective of feeding the growingpopulation while protecting the environment in aresponsible manner.

High Yielding & Hybrid Seeds:

Development of high yielding & hybrid seedsprovides a very high degree of yield enhancementover the conventional varieties. However, growingthese improved varieties requires meticulous farmmanagement, increased fertilizer input & enhancedcrop protection.

Genetically modified Crops:

Biotechnology when deployed to enhance theperformance of crop varieties, opens up immensepossibilities to increase agricultural output. Manycountries, including China have progressed theapplication of this technology in their farm sector atmuch faster pace than India. Typical applications havebeen to induce pest or disease resistance in the plantsto avoid application of agrochemicals. By now,scientists have developed safe application of thistechnology in Cotton, tomato, soyabean, potato &corn. Many other crops are under various stages ofstudy.

As this technology develops further, it has thepotential to provide further benefits in terms ofreduced costs of cultivation thru soil & waterconservation, pests & disease resistance, water / heatstress enhancement, enhanced output traits e.g. taste,processing ability, keeping quality, nutritional valueetc.

Too many questions?:

The progress of modern agri technology hasbeen affected due to lack of public confidence & toomany questions asked out of context

Do we need to use pesticides at all?

Why not go for organic farming?

Is GM food safe to eat?

How will the new technology affect theenvironment?

What will happen to wild plants, insects& birds?

Accidents hurt — safety doesn’t.

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Will consumers be offered a reasonablechoice?

Will seed companies have too muchpower?

Are we playing science ethically?

Stewardship & building public confidence

These questions indicate that there is need forthe agri science industry to step up & broad base itsstewardship efforts. There is need to let theconsumers know that there are sustainable industrialpractises followed in the research & manufacturingactivities. Further it is essential to demonstrate to allstakeholders that sustainable agricultural practisesare followed & integrated crop managementtechniques are imparted to farming communities.Finally it is essential to ensure none / negligible hazardis posed to water, soil & environment by adoptingthe new technologies. Thus the scientific community& Industry needs to take some long term confidencebuilding measures.

Address valid concerns & debunk redherrings

Engage stakeholders in meaningfuldialogue

Establish norms for environmentprotection

Ensure “CHOICE” is with theconsumer

Evolve rigorous (but not suffocating!)and transparent regulatory schemes

Demonstrate Corporate responsibility

Promise & predicament:

Like all new developments in modern times, thepromise comes along with the predicament. Thesociety needs to muster all the scientific temper atits command & deal with the situation in a pragmaticway to balance the costs, benefits & risks associatedwith the portfolio of new technologies offered by Agriscience. Progressive outlook and objectiveassessment will ensure that we make the rightchoices, which will go a long way to ensure safefood, healthy life & sustainable environment for ournext generations.

The discovery of DNA structure has been akey development that has opened the doors to manynew possibilities for our generation & I will like toconclude by remembering the words of James Watsonwho was a co- discoverer of DNA structure:

Never put off doing something useful ..

for fear of evil that may never arrive !

Prakash Apte

Managing Director, Syngenta India Ltd.

• B.E. (Mechanical), University of Pune

• Post Graduate in Management Studies

Worked with Larsen & Toubro and UHDE India Limited.

Head of the Company’s Agrochemicals Unit at Santa Monica Goa and wasProject Manager for all the investments of this Division.

Nominated as Sector Head for Crop Protection for Novartis.

About Author

Alert today. Alive tomorrow.

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Huntsman CorporationOverview

Huntsman Safety andEnvironmental Performance

1.6 1.51.2

1.6

1.2 1.2

0.8 0.9

0.0

0.5

1.0

1.5

2.0

2.5

3.0

3.5

4.0

1999 2000 2001 2002 2003 2004 2005 2006 YTD

Year

OSH

A Re

cord

able

Rat

e

OSHA Recordable Rate =number of cases requiring morethan first aid x 200,000 / numberof hours worked.

59,00051,000

42,00036,000

32,00026,000 26,000 23,000

0

10,000

20,000

30,000

40,000

50,000

60,000

70,000

1998 1999 2000 2001 2002 2003 2004 2005

Year

Air

Emis

sion

s (m

etric

tons

)

* Huntsman Advanced Materials not included in 1999 - 2003 Data

** Total air emissions (excl. CO2)

Innovations in Safety and Environmental PerformanceDr. Stuart Hill

Huntsman EHS Director, APAC

An accident can ruin your career

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Huntsman Growth StoryCiba TE

Butadiene/MTBE Sale

Europe Base Chemicals Sale

$0

$2

$4

$6

$8

$10

$12

$14

1985 1986 1987 1988 1989 1990 1991 1992 1993 1994 1995 1996 1997 1998 1999 2000 2001 2002 2003 2004 2005 Q22006LTM

Rev

enue

($ in

Bill

ions

)

Compounded AnnualGrowth Rate: ~24%

Compounded AnnualGrowth Rate: ~24%

RexeneRexene

Packaging SpinoffPackaging Spinoff

Nova Styrenics SaleNova Styrenics Sale

Shell PP

Shell PP

American HoechstAmerican Hoechst

MonsantoMAn/LABMonsantoMAn/LAB

Texaco ChemicalTexaco

Chemical

TexacoPO/MTBETexaco

PO/MTBE

Dow Ethyleneamines andRhodia SurfactantsDow Ethyleneamines andRhodia Surfactants Vantico

ICIICI

Differentiated ChemicalsDifferentiated Chemicals

Materials and Effects

AdvancedMaterials

Design & Composites Engineering

Power & Electronics

Coatings, Construction &

Adhe sives

Polyurethanes

Adhe sives Coatings

& Elastomers

Appliances

Automotive

Construction

CompositeWood Products

Footwear

Furniture

TPU

Pigments

Titanium Dioxide

Performance Products

Performance Specialties

Performance Intermediates

Maleic Anhydride & Licensing

TextileEffects

Apparel

Home textiles

Technical textiles

Base Chemicals and Polymers

EthylenePropylene

CyclohexaneParaxylene

MTBEPolyethylene

PolypropyleneAPAOEPS

Commodity Chemicals

2005 Revenue: $6,164m2005 EBITDA: $367m

2005 Revenue: $8,638m2005 EBITDA: $1,195m

Who is Huntsman?

Mainly differentiated businesses

An accident could be a one way ticket to disability retirement

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Who is Huntsman?

Social responsibility

Improving our communitiesHungerHomelessness

Education

Combating cancerHuntsman Cancer Institute andHospital

www.hci.utah.edu

New Huntsman in Asia

Polyurethanes

Advanced MaterialsPigments

Performance Products+Textile Effects

Mumbai

DelhiKarachi

Jakarta

Kuala Lumpur

ManilaBangkok/Mahachai

Ho ChiMinh

Taipei

Seoul Tokyo

Hong Kong

Beijing

Shanghai

Guangzhou

Qingdao

Perth

Auckland

Sydney Melbourne

Singapore

Teluk Kalung

Chennai Panyu

KobeKaoshiung

+

+

+

+

+

+

++

+ Osaka

251,045

562,100+

22402190

14380

13280# Sites# Assoc.

Textile EffectsTOTAL

Pigments

Performance Products

Advanced Materials

PolyurethanesDivision

++

+ ++++

+

+

+

+

Hangzhou + FujianShenzhen

Bangalore

+CalcuttaAhmedabad+

+Ludhiana

+Chandigarh

An ounce of prevention is worth a pound of cure

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Environmental, Health &Safety Management

HAZARDThe potential of a substance, activity or article to cause harm.

RISKThe likelihood that a substance, activity or process would

cause harm in the actual circumstances in which it is used.

EHS Management is eliminating hazards and minimisingand managing risks

What is Innovation?

Innovation - Bring in novelties; make changes in….

Novelties – new or unusual thing or occurrence(Concise Oxford Dictionary)

EHS Innovation is continuous improvement inmanagement of EHS hazards and risks

Anger is one letter away from Danger. Drive gently.

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Hierarchy for controllinghazards

Do away with the hazard

Replace the hazard with something less dangerous

Prevent contact (guards, ventilation)

Control hazard using instructions & procedures

Training, auditing

The last line of defence

Monitor workplace & worker to assess impact of exposure

Elimination

Substitution

Engineering Controls

Systems of Work

Modify Behaviour

Workplace Monitoring

PPE

This Contribution

Does not attempt to discuss all innovations andfuture developmentsGives an overview on EHS managementprocesses based on personal experience withinthe chemical industryEmphasizes the role of people and theirbehaviour in achieving innovation and EHSexcellence.

Apply your good intention to accident prevention.

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Changing Regulatory Environment

Trend from Prescriptive Regulation to Self-Regulation, e.g.,

UK: Factory Act (1819) to Health & Safety atWork Act (1974)

ISO 14001; EMAS; OSHAS 18001; ANSI/AIHA Z10-2005

Responsible Care®

Chemical industry’s premier voluntary EHSperformance improvement initiative

Huntsman was an original signatory to theResponsible Care Guiding Principles

Created in 2001.

Consists of 47 individual standards.

Support implementation of Huntsman

EHS Protection Policy andResponsible Care® Guiding Principles.

Provide structure for local EHSmanagement systems to ensureuniform EHS management

Support high level of performanceacross Huntsman

Corporate Audit program reviewscompliance with Standards.

As temperatures rise, stay safety wise.

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Product LifecycleProduct LifecycleProduct LifecycleProduct Lifecycle

An integrated businessprocess for identifying,managing and minimizingthe EHS impacts at everystage of a product’s lifecycle.

Product StewardshipLife Cycle Approach

Energy Recovery

Material Recycling ofProduction Waste

Chemical Recyclingof Production Waste

Polyurethanes Recycling& Reuse

At work at play, let safety lead the way.

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An initiative by ISOPA to improve health & safety acrossEuropean polyurethanes industryPartnership between customers and suppliersAims to raise awareness and promote best practice and leadto a positive change in behavioursA series of recommendations and core modules have beenprepared for safely using polyurethane chemicals &emergency responseCore programme is tailored to individual customer situationby supplier representatives

Walk the TalkSafety in action

People

Systems of WorkFacilities

LEADERSHIPLEADERSHIPLEADERSHIP

Essentials for EHSExcellence

At work, at home, let safety be known.

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EHS Culture Development

CULTURE TYPE

NATURAL INSTINCTS

SUPERVISION (DEPENDENT)

INDIVIDUAL (INDEPENDENT)

TEAM (INTER_DEPENDENT)

INC

IDE

NT R

ATE

What is Behaviour

An Observable Act

Things we do and how we do them (observable)Our thoughts and emotions in action and reaction

Avoid accidents, keep guards in place

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Event

X- PossibleResults Lost Time

Recordable

First Aid

Near Miss

X X

X

X X

Behaviours

Attitudes CultureCulture

Incident Iceberg

What Influences Behaviour –––––The Individual

CCauseauseThe reason for the behaviourThe reason for the behaviour

BBehaviourehaviourThe observable actThe observable act

CConsequencesonsequencesAnything which follows Anything which follows behaviourbehaviour

Avoid overexposure, pay attention to the sun

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CONSEQUENCES

CONTROL BEHAVIOUR

What Influences Behaviour –The Individual

Safe Behaviours

Things which we do in a way that satisfactorily considerssafety, health and the environment

For example: wearing safety glasses when mixingchemicals

At-Risk Behaviours

Things which we do in a way that does not satisfactorilyconsider safety, health and the environment

For example: running down stairs without holding thehand rail

Behavioural Safety

Be a leader, follow safe procedures

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% Safe Behaviours

Number of safe behaviours observed X 100Total number of behaviours observed

For example: Wearing of safety glasses – associates were observed wearing safety glasses sixteen times, and not wearing them six times.

16 safe behaviours observed X 100 = 72.7 % Safe22 total behaviours observed

Behavioural MeasurementTechniques

What Influences Behaviour

The IndividualThe Individual

The OrganisationThe Organisation

••TaskTask••WorkloadWorkload••EnvironmentEnvironment••DisplaysDisplays••ControlsControls••Procedures etc.Procedures etc.

••CultureCulture••LeadershipLeadership••ResourcesResources••Work PatternsWork Patterns••CommunicationCommunication••Safety Systems etc.Safety Systems etc.

••CompetenceCompetence••SkillsSkills••PersonalityPersonality••AttributesAttributes••ExperienceExperience••Habits etc.Habits etc.

The JobThe Job

Be alert! Accidents hurt.

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Examples of things that canbe done to influencebehaviours & reduce failures

The JobHAZOPsRisk Assessments (customer, warehouse, site, office)Manual Handling / Ergonomic Assessments Preventative MaintenanceProceduresEHS CommitteesISO 9000 & 14000Job Safety Analysis

Examples of things that can bedone to influence behaviours &reduce failures

The IndividualTraining & Competence (training matrix and calendar)Awareness (posters, health promotion)Behavioural Observation and FeedbackJob RotationContractor InvolvementTool Box TalksDriver Training Programs

Be pro-active not reactive towards safety

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Examples of things that can bedone to influence behaviours & reduce failures

The OrganisationEHS Policy and StandardsGoals and Objectives (personal and site)Key Performance Indicators Resources (global audit teams, EHS professionals, consultants, capital expenditure process)Response to Incidents (investigate, act, share)Communication & Learning Processes (sharing good practice and praising success)Management Leadership (walk the talk)

Summary

EHS Innovation equates to continuous improvement

Innovation must be built on firm foundationsSystems of WorkFacilitiesPeople

People are the most important element of any EHS innovation program

Addressing behaviours in a positive way impacts the EHS performance and culture of an organisation

Be safety smart right from the start.

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Dr. Stuart S. HillDirector (E.H.S.),Huntsman (ASIA Pacific) Pvt. Ltd.

• Graduated from Bradford University, UK

• PhD in Chemistry, Bradford University, UK

Started career with ICI in the field of R & D.

Joined Huntsman in management position in the year 1999 for itsinternational business.

Worked as Environmental Engineer for several projects inHolland, UK and Shanghai.

Before using any new equipment, read and fully understand the manufacturer’s instructions

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Plastics And Safety, Health And InnovationDr. D. D. Kale

Reliance Industries Limited

Introduction

Mankind has always looked around to usenatural materials for the comfort in the life. Thinkingof safety is always inherent in the mind of every livingbeing. Thus wood for housing, protection, carts andmany other uses; cellulose for paper or clothing aswell as variety of oils for cosmetic or medicinal useshave played a major role in the evolution of lifestylefor many years. These materials have always beenused with many many innovative ideas depending uponthe environment and inputs from other spheres of life/developments. The innovation and lifestyle always gohand in hand. In recent years the plastics have playeda major role in the present lifestyle. Plastics have beenused extensively in medical field. The IV fluid bags,blood bags, disposable syringes or statures areclassical examples where plastics have been used.The famous artificial foot developed by Dr Sethi hasbeen used by one of the famous dancers of India andit has plastic used in it. The plastic containers or boardsto replace wood have helped the environmentpreservation. The wire and cables coating has provedthe safety in their use. The corrosion proof plasticsare really very useful for the environmental protection.Thus plastics are inherent part of safety, health andenvironment. The history and innovation in this field,therefore, need to be looked into with different angle.

Historical background

Today we are experiencing plastics andelectronics revolution. Imagine life without mobilephones, computers, washing machines, polyester dressmaterials, credit cards, DVD players and so on whichare ‘high tech’ items. The plastics indeed have playeda major role in making these materials available tocommon man at affordable price.

If one looks at the history of organic chemicalindustry, modification of natural rubber, cellulose,shellac, cashew nut shell liquid (CSNL) etc were themajor issues of research and manufacturing.However, once the polymeric or macromolecularnature of cellulose was understood, the growth of thisindustry is phenomenal.

First synthetic polymer, phenol-formaldehyderesin, was commercialized in 1909. Today the plasticconsumption is several million tones per annum. Thisgrowth is within last 100 years. Amongst all theseplastics, the growth of polyethylene, polypropylene,polystyrene, rubbers and PVC are noteworthy asthese plastics occupy a very important place incommon man’s life.

RUBBERS and POLYSTYRENE

Use of rubbers in tires, waterproof jackets orfor coatings was of immense importance at thebeginning of the twentieth century. Adolf Hitler hadrecognized that his rubber supply from Malaysia/Singapore region would be seriously affected if warbroke out. German scientists through innovative waysproduced Polyisoprene, styrene-butadiene rubber andmany other materials synthetically. The raw materialfor these organic materials was coal as crudepetroleum source was not developed in Europe aroundthose times. These innovative efforts and thetechnological advances taking place in later years havelead to the development of gasoline and petrochemicalcomplexes based upon synthetic gas. Today suchplants are commercially run in South Africa (Sasool). Interestingly, the gas to liquid (GTL) technologyhas been adapted on Qatar. On June 6,2006, H HSheikh Hamad Bin Khalifa Al Thani, Emir of the Stateof Qatar officially inaugurated the US $ 950 million,Oryx GTL plant which will produce 34000 barrelsper day of liquid product consisting of diesel, naphthaand LPG. The base is Fisher-Tropsch process.

Using polystyrene in manufacture oftransparent cassette covers and decorative coatingshas come through only through innovative effortscoupled with imagination.

PVC/Polyethylene/Polypropylene

PVC and Polyethylene have grown very rapidlyover last few decades. Where does the ethylene comefrom? The distillation of crude oil into various fractionsyields fractions of high boiling points. These fractionsare cracked into low boiling point fractions for gasolineuse. The bye-products of this operation are ethylene,propylene and C4 fractions. The catalytic reforming

If you mess up, ‘fess up.

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yields benzene, toluene and xylenes (BTX). Thesesix materials and methane/methanol are the sevenfundamental blocks of the organic chemical industrywhich produces several products such as dyestuffs,pharmaceuticals, pesticides and many more. Thepetrochemical industry uses only 10 % of crude oiland plastics use only up to 3-4 %. Innovations are todevelop the value added products from the bye-products and plastics have provided the lead.

Both polyethylene and PVC found immenseuses in world war II. The main innovations came afterthe war was over. In the case of PVC, themanufacturing of commercial PVC was possible onlyafter the introduction of plasticizer and thermalstabilizers. The production of PVC was 1 millionpounds in 1936 while in 1985, it became 6 billionpounds. Such a growth is not without manyinnovations.

PVC and Environment

During manufacturing of PVC, exposure of plantpersonnel to vinyl chloride monomer (VCM) led tothe lungs disorder. If the concentration of VCM isless than 500 PPM, it is acceptable limit. Theinnovative efforts in analytical and process controlscience made it possible to evolve a system whichcould monitor the concentration of VCM to less than1PPM. Now there are no health problems to workersaround the PVC production units across the globe.

Leaching of plasticizer, di-octyl phthalate, DOP,into water has resulting removal of PVC for use inwater tanks. The alternate plasticizers and copolymersare in the vogue.

Polyethylene/Polypropylene

Polyethylene was invented accidentally by ICIscientists while studying the high pressure reactionbetween ethylene and formaldehyde. The whitepowder on the walls of reactor had melting point ofaround 110 C and insoluble in water. Its chemicalformula was same as that of ethylene and densitywas less than that of water. The new product waslow density polyethylene, LDPE. The reactionpressure was 2200 psi and temperature was 250 to350 C. The innovations in fabrication of reactors towithstand such reaction conditions made it possibleto commercialize this polymer. During war, it wasfound that this polymer served as an excellentwaterproof and inert coating material on the signalcables. After the war, this application became lessimportant.

The developments in polyethylene can begrouped due to innovations in materials and inprocessing techniques. The structure of LDPE wasfound to be highly branched. Innovations in controllingthe branch length and the distance between thebranches led to the technology of producing linearpolyethylene at pressures as low as 300 psi andtemperatures as low as

150 C. The resulting product melted at 130 Cand had density of 0.96 gm/cc as against 0.915 ofLDPE. It became known as high density polyethylene,HDPE. Innovations in copolymerization led todevelopment of linear low density polyethylene,LLDPE which has density comparable with that ofLDPE.

The real progress in the commercial growth ofpolyethylene took place due to innovation in theprocessing technologies. The development of filmblowing techniques made available the thin film ofuniform thickness of few microns. This opened upthe markets for the food industry as an excellentmaterial for packaging. The films were transparent,light weight and had very good barrier properties. Italso opened the agricultural market sector for mulchfilms.

All of us are very familiar with the milk wereceive in pouch. The one liter, half liter and smallerpacks are used primarily in India. Until about 25 yearsago, milk was packed in glass bottles of 250 mL and500 mL capacity. The weight of 500 mL bottle wasabout 425 gm. Thus for packing every 500 mL ofmilk and delivering it to the consumer one has to carrydead weight of 425 gm each way i.e. from milksupplier to the consumer and back from consumerduring returning of the empty bottle. Since plastic bagweighs about 10- 15 gm for packing 1000 mL of milk,the dead weight is reduced considerably and it iscarried only in one direction— from the milk supplierto the consumer. This increases the milk carryingcapacity of the milk van. The plastic crates are alsolighter than the metallic ones. All this increases themilk carrying capacity of the milk van by about 250%.This saves the petrol and reduces the air pollution tosome extent. The washing and cleaning of bottlesusing surfactants and large amounts of water is alsoavoided. All this is possible due to innovative packingsystem through thin film of plastic. The packing ofedible packing in small pouches afforded by a poorperson is feasible again due to plastic film.

Being safe is like breathing. You never want to stop.

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21National Seminar on Innovations in Safety, Health and Environment

Environment and Plastic carry bags

The good properties of plastic thin film havebecome its own enemy. THE CONVENIENCE OFTHIN CARRY BAGS IS TOTALLY LOST DUETO LITTERING. Disposal of plastic bags inconventional way is not possible. Use of additives tomake polyethylene bags photo oxidizable and thendegraded polymer suitable for composting is onesolution being introduced and examined. Using goodquality polyethylene/ polypropylene thin bags andother waste as a source of carbon and hydrogen forcement and steel industry is being examined forcommercial uses.

Waste management of polymeric municipalwaste is a challenge. Challenge is the right opportunityfor innovation. The designing of recycling system forthe buy-back operations of plastic goods needs lot ofinnovation in management for collection and usableform of waste plastic requires man powermanagement. May be some Clean City Sena can beoperated. Compacting the plastic waste can reducethe volume considerably and if this is carried out atdifferent wards, it can save the precious fuel as thegarbage van can take much more waste plastic whencompacted.

Few Other Points

Polyethylene was always in short supply till1990s. The thermoplastic nature of this materialbrought innovation — recycling. India is the firstcountry to practice industrial recycling of plastic. Thebuy back system and ‘declaration’ about the use ofrecycled plastic was introduced in Western countriesbased upon this success. Many sought convertingwaste into usable recycled plastic as a businessopportunity. Unfortunately many unethical practicesclosed this business. Today, China receives technicallyprepared good quality recycled polypropylene fromcountries other than India. This business is estimatedto be to the tune of more than 1 million US $ annually.The roadside vendor who repairs the plastic bucketor container or bags etc by ‘soldering’ is certainly aninnovation which has gone unnoticed. Perhaps thisbusiness could grow only in India.

Conclusion

Plastics are safe and can protect theenvironment. The waste disposal of mixed plasticwastes as well as e-waste requires innovative waysand means. The field is wide open to all of us. Forinnovation one needs alertness and open mind. Age,position or educational qualifications can become thebarrier.

Dr. D.D. Kale

Former Professor UICT / Consultant.• B.Tech (Chemical Engineering), University of Nagpur• M.Tech (Chemical Engineering), UDCT Mumbai• PhD (Chemical Engineering), University of Salford, U.K

Guided 28 PhDs and about 60 Masters students.Consultant to industries like Excel Industries, Balmer and Lawrie, Rainbow Inks,Tipco Industries, Rama Petrochemicals, Gharda Industries, Hindustan LeverResearch Centre, Supreme Industries, Reliance etc.Published more than 80 papers in International Journals.Fellow of Maharashtra Academy of Sciences.Visiting Faculty in South Korea.Received Prof. K. S. Armugam National Award for Innovative Research in theField of Engineering and Technology by the Indian Society for Technical Education(ISTE) New Delhi.Honorary Editor of Ind Chem Engg (1991 - 1994).

About Author

Better to arrive late than never. Drive carefully!

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National Seminar on Innovations in Safety, Health and Environment22

Mastering Art of Innovations in Safety, Health and EnvironmentAdarsh Kumar Sehgal

Vice President (Safety, Health and Environment)ITD Cementation, Mumbai

Abstract

It is a noticeable change that we observe about increased adoption of safety measures at constructionprojects. Apparently, this initiative is limited to a few socially responsible construction companies.Petty contractors, however, continue to work in the same old manner without any concern for human lifeand limbs. There is evidence of lack of disciplined working at such sites and it results in significantlosses in terms of human life, time, money and reputation. Importance for inculcating and ensuringsafety among construction workers has brought to fore dire need of innovations in safety, health andenvironment and the specific roles that the contractors and the clients can play. Strategies for improvingsafety conditions at construction sites range from incorporation of safety requirements in contractdocuments to setting example through responsible behavior at construction sites by the teams consistingof Clients, Consultants and the contractors. What the team needs to do is to set standards, innovateand sit back to appreciate neat looking and profitable sites.

Introduction

It was interesting to read in the newspaper thata village in Thailand has employed monkeys in placeof men to carry out a high-risk job. The villagers havetrained the apes, to pluck coconuts from surroundingpalms, who in turn train the little apes to do the jobbefore they grow old. The cost is low – just a steadysupply of bananas and nuts – and complaints are few,to say nothing of the worries over workers’ safety.Apes now pluck coconuts from the surrounding palmsand the village economy thrives.

Observe to innovate is the mantra emergingthrough out-of-the-box systematic thinking. Can wemaster this art at our construction sites where thereis a dire and urgent need to prevent injuries?

Status of Safety at Construction Sites

It is a well-known fact that at least 50 percentof the people the world over who die at constructionsites have been working there for less than two weeksand 70 percent of fatal accidents could have beenprevented by effective management action. Are wereally concerned and doing all that it takes to preventincidents? May be no, but probably yes; we are nowtalking about the safe / unsafe practices at sites to acertain extent because of two main reasons; one thatwe are being bugged by the multinational who arebound by their law and second that wisdom seems tobe dawning on some of us and attitude seems to be

changing for good. We have started to recognizeimportance of integrating safety as part of production.Awareness levels have gone up; there is coordinationof efforts all around to provide safe, healthy andenvironment friendly working. Government agenciesare on the move trying to put the legislative measuresin place; contractors are making efforts to improvesafety in their day to day activities thus adding to thebottom line and the workers have started realizinghow important it is to follow site safety rules to preventpain and suffering resulting from injuries.

Accidents, however, continue to occur. Thereis loss of life, limbs and property and costs areunbearable and sometimes unimaginable. Thoughmany organizations have established systemsconforming to OHSAS 18001;1999, the basic goal ofcontinual improvement is simply forgotten. Ourefforts, therefore, have to be much more serious andsincere in adopting and implementing systems. Wecan no longer give a lip service to the cause of safetyand not indulge in excuses like non availability oftrained manpower, absence of regulatory authoritiesand indifferent attitude of managers and constructionworkers. We need to innovate in making things happenand systems implemented.

What Innovations Can We Introduce?

Innovations would mean introducing novel ideasto seek indulgence of each person at site in makingoperations safe and environment friendly. These may

Boat load limits; don’t exceed them

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23National Seminar on Innovations in Safety, Health and Environment

vary from involving workers in carrying out criticalstudy of each cycle of operations to nominatingworkers as safety captains within their own group todevelopment through esprit de corps, training, teambuilding, discipline and morale, empowerment andmotivation of the managers, engineers and workers.Sub contractors are to be motivated as partners /comrades in all activities. Let us discuss these oneby one.

Changing Roles and Responsibilities

We need leadership and personal example beingset by the management of clients, consultants andcontractors to impress upon the contractors, pettysubcontractors, other agencies and workers thatsafety is a way of life and the sooner we adopt it, themore we would cut down on the wastages thus addingto bottom line. Leadership is a necessarymanagement skill / quality for “Safe Working” andneeds to be well understood, digested and assimilated.

So, whose responsibility is it? Who are tobecome leaders in this role of Safety? Is it only theprincipal contractor who is to lead and to be heldresponsible for all actions? There is no doubt thatthe contractor is the person to organize work andimplement safe procedures but why can’t this rolebe taken over also by the consultants / clients whoare technically sound and have the where with all toperform this role effectively.

Today, many a consultants like GeneralConsultants and clients like IOCL, DMRC, TATAS,NTPC and Reliance enforce safety by initiating ahost of measures making it mandatory for thecontractors to observe basic minimum safetystandards. This has definitely improved workingconditions at construction sites. There are alsocontractors who maintain minimum requisite safetystandards of their own thus adding value to the waythey work. As long as this continues, our safetystandards shall continue to rise making our work placesafer and healthier each day.

Wherever client / consultant is concerned onlyabout quality and completion and not about safety,accidents keep occurring. Main problem lies in one’sperception of whether safety is a part of quality. Tome Quality would mean delivering a product that issound, meets specified requirements and is producedin a safe manner.

How can the client and his consultant help? Theclient and his consultants can play a critical role in

providing safer work environment by standardizingactivities ensuring safety and protection of health.This can be achieved by: -

• Laying down safety standards that need to befollowed during construction stage. These aregenerally included as a part of document underSpecial Conditions of Contract but what isrequired is ensuring implementation of thestandards by: -

- Having pre contract discussions onimplementation of safety and health

- Making the safety requirements as a BOQitem

• Ensuring co-ordination between variousagencies/contractors working at the sitethrough joint meeting chaired by senior Client/ Consultant representative. This is presentlybeing followed by the DMRC, TATAS at theirsite.

• Establishing and maintaining systems to ensurethat tools and equipment being used by thecontractors meet requisite standards.

• Last but not the least ensuring that a personalexample is set by the engineers of the clientsand consultants.

Clients, their consultants and the contractors arepartners in construction. What we produce are thetemples of modern India and in today’s civilizedsociety no one would like to build these temples atthe expense of human life and limbs.

Specific Study of Each Cycle of OperationalActivity

Safety cannot be ensured by merely appointingsafety officers and making them face regulatoryauthorities. Also safety can not be talked about ingeneral mentioning working at heights, around plantand equipment and in excavations or electrificationhousekeeping and so on. It would be of value to studyeach cycle of operational activity and correlate it witheach worker’s behaviour. Mistakes made by theworkers, their unsafe acts and unsafe conditions, ifcreated are to be noted and later discussed with theteam of managers, engineers, supervisors andworkers. All of them have to participate in thediscussion and suggest remedial measures

Broken tools can be replaced. You can’t.

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National Seminar on Innovations in Safety, Health and Environment24

Innovative Actions at Construction Sites

Safety of its own is intangible and shall comefrom within only if we build up discipline, esprit decorps and motivate the team. Training to a great extentshall help us achieve this but what shall make theteam take initiative are their feelings of belonging,morale, empowerment and self-motivation. Let us seeas to what actions we can take in developing abovecharacteristics: -

• Workers in the Lead Role. Selected workerswho have the enthusiasm to correct unsafepractices can be nominated as “Safety Captains”with the sole aim of ticking off fellow workers intheir group as and when unsafe acts areperformed or unsafe conditions created. Safetycaptains shall be very effective in takingpreventive and corrective actions. Safety captainscan be nominated in rotation and suitablyrewarded. Enthusiasm is contagious and othersshall easily catch it.

• Morning Prayer. A morning prayer by the groupstating “ May God give me strength to performmy duties in a safe manner so that neither myco-workers nor myself is subjected to any injury”shall enable the workers to attain spiritual strengthand follow what is right. A mandir parade canalso be organized once in a week at the workerscolony.

• Morning Exercise. An exercise by the workerslead by a leader (Engineer / Supervisor) shall notonly make the workers active and removelethargy but also strengthen esprit de corps. Thisalso provides an opportunity to each of the leadersto impress his own personality on the workersand motivate them.

• Morning Briefing. Workers should be briefedabout their work for the day and a job safetyanalysis should be carried out involving workers.

· Communications. Communication of thetargets, goals, achievements and injuries shouldbe made to the workers as early as possible. Thisis a great motivating factor that makes him thinkthat he is a part of the organization. Hissuggestions can be sought on preventive andcorrective measures. Functions be held whereexperienced workers deliver lectures on safetyand environment stating their achievements in thatfield.

• Appreciating and Making Them Partners.For all good actions like quality work, good housekeeping and cutting down on wastages, thereshould be immediate appreciation to make themfeel wanted.

• Pain and Gain Policy. Each site shouldformulate a policy of pain and gain – caution /penalty for violations and reward for being thebest. Frequent violations should be recorded andperson removed from site.

• Impact of Incidents and Injuries. Workersshould be shown pictures of the incidents heldat construction sites describing pain andsuffering of the affected person and his family

• Subcontractors’ Training. Principals ofsubcontractors (Petty contractors) should becalled and explained as to what standards areexpected of his workers. A pre bid meetingshould be organized. A yearly training sessionshould also be organized for subcontractors andhis supervisors.

• Protection of Environment. Construction isa resource intensive activity and hence planning,designing and execution should lead to savingof resources and minimizing waste. Variousactivities that can help in saving resources are: -

In addition to storage, stacking and transferof diesel, cement and steel, sites shall carryout housekeeping at least three times a dayfor 5-10 minutes each.

Wastages like concrete blocks be used forpaving office and storage areas.

Use of wash water for dust suppression.

Recycling of water for curing purposes.

Use of stone dust from crusher for bitumenconcrete.

• Preventive Health. Medical inspection,awareness campaigns, immunization programs,supply of drinking water, sanitation andsupervised cooking facilities are a great moralebooster for any one at a construction site in farflung remote area.

Chance takers are accident makers.

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25National Seminar on Innovations in Safety, Health and Environment

Last Word

It is no use complaining that we have poorsafety standards because there are no authorities toenforce law. In fact it is our willingness to adopt anddoggedly follow systems in vogue that really matters.We should become the law on to ourselves forbetterment.

Monkeys have been trained to follow a systemand that speaks for the success of village economy.Systems alone can never be enough. They are to bepositively backed by an innovative creative edgesupported by educated minds that can determine rightfrom the not-quite-right (Chalta Hai). Each man atany construction site has a very important role to playin this aspect.

Col. (Ret.) A.K. Sehgal

Vice President (Safety, Health and Environment)

ITD Cementation, Mumbai

• B.E. (Mechanical), College of Military Engineering, Pune

• M.Tech. (Energy), Indian Institute of Technology, Delhi

• MBA (HR), IGNOU, Delhi

• Advanced Diploma in Industrial Safety, MSBTE.

Forty years of work experience.

Contributed for Integrated Management System.

Served as Colonel-Instructor Class ‘A’ at the College of Military Engineering, Pune.Served the Army for 31 years.

As a Deputy General Manager Safety he has interacted with National SafetyCouncil and Other Safety Organizations for implementation of statutory rules andregulations.

Significant reduction in Accident Incident Rate in ITD Cementation, Mumbaibecause of the efforts put in by Col. A.K. Sehgal.

About Author

Check your shoes and don’t let your day slip away.

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National Seminar on Innovations in Safety, Health and Environment26

Water ManagementInnovations in Environment Health and Safety

Shankar SatamGeneral Manager (Sales and Service), GE India Industrial Pvt. Ltd.

Introduction

Preservation of future of our planet is anessential part of our values .We have to play our roleto minimize impact on environment by conservationand optimization of various resources like water. InIndia this is more relevant as only 4 % of globallyuseful water is available for a population share of 17% In fact, the United Nations Environment Program(UNEP) predicts that two-thirds of the earth’spopulation will live in water-stressed conditions by2025 if the current level of usage continues. In a worldthat depends on water for survival and yet wastesmore than half of the water it uses - every effort toconserve nature’s most valuable resource is crucial.

The Reality

• 97% of the world’s water is saltwater fromsea and brackish water sources

• Less than 1% of the world’s water sources isconsidered potable

• Water consumption is doubling every 20 years

• This rate of consumption increase is twicethe rate of population growth

• By the year 2025 water demand is expectedto exceed supply by 56%

• Political “water conflicts” and the need to bewater independent have created regionalwater shortages

• Sustainable industrial development requires areliable supply of high quality water

• Constructing new dams, reservoirs and longconveyance pipelines to tap the above 1% oflimited potable water is becoming too costlyto justify, environmentally prohibitive, and inmany cases the source water is not adequateto accommodate the growing populationneeds.

Water scarcity is affecting a growing proportionof the world, with a third of people suffering from ashortage. These shortages are driven by factors

including climate change, rising populations, increasingprosperity - which drives up water use and poormanagement of resources. Unless they are solved,we can expect a lengthening series of “water crises”.In a world of water crisis, businesses will face higherprices and competition from other users for the waterthey require, and increasing regulation of its use.Water is already one of the most heavily regulatedsectors of the world economy.

Approach

• Combination of conservation (SourceReduction) and Reuse.

• Treatment of waste for safe disposal.

• Environmental consciousness

Treatment of wastes to reduce environmentalimpacts prior to disposal should be used only whensource reduction, and recycling or reuse, are notfeasible based on technical and/or economic reasons.While conservation and education are thecornerstones for a water management strategy,technology is also starting to play a larger role inhelping communities to get the most from increasinglylimited water resources.

It is a good practice to adapt following guidingprinciples of Environment, Health and Safety (EHS)while deriving solutions.

• We take appropriate measures to the extentreasonably practicable to reduce the use andrelease of toxic and hazardous material,prevent pollution and conserve, recover andrecycle material.

• Every one has obligation to maintain the safeenvironment for them and others.

• We are responsible members of communityand recognize us as good neighbors

Solutions

• Increase public awareness to promote andenforce water conservation.

Danger never takes a vacation.

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27National Seminar on Innovations in Safety, Health and Environment

• Repair pipeline leaks – water losses greaterthan 30% is not uncommon for developingcountries

• Reduce water pilferage – install watermeters.

• Water saving techniques for crop irrigation

• Increase the use of membrane desalinationtechnology to treat seawater, unlimited feedwater source

• Increase the use of membranes for theReuse of Purified Wastewater

Water-saving techniques range from installingspray nozzles on taps in washrooms and sensors onurinals so they flush only when needed, to “greywater” systems that recycle water from sinks foruse in flushing toilets, or porous pavements in carparks that collect water underground for similarpurposes. Basic maintenance plays a big part:installing a water meter is the first step, while fixing adripping tap and detecting leaks can do more.

Some people have qualms about recyclingsewage into drinking water. But treatment technologytoday can produce water of high quality. Partiallytreated sewage can also safely be used for irrigationand in some industrial processes. An alternative is touse wetlands and reed beds, which filter sewagewater naturally and create an environment for wildlife.

Farming uses 70 times as much water ascooking and washing, which means encouragingfarmers to use only the water they need is a significantpart of the solution. Solutions need not be high-tech:some crops requiring heavy watering are grown inunsuitable areas, and water unsuitable for drinking,such as brackish water or partially treated sewage,could be used for irrigation but frequently is not

Role of Membrane Technology

At present, not enough of the world’s water isrecycled. Waste - water reclamation has become aviable alternative to supplement water supplies inwater –short areas. In particular membranetechnology is playing an important role in purifyingwater cost –effectively. The primary use forreclaimed water has been for irrigation, but increasingneed to use reclaimed water for industrial applicationshas spurred interest in advanced water treatmentprocesses based on membranes.

Membranes are widely used for water treatmentin residential, commercial and industrial applications.The use of membranes to selectively remove orseparate extremely small substances from water andprocess streams has become a technological successstory. There are four types of membrane filtrationtechnologies in commercial use today, effectivelyremoving substances ranging in size from suspendedsolids to ionic species. (Refer Diagram A)

Diagram A

Membrane Spectrum

Membrane technology exists for last 50 yearsand is being used in India since last 25 years. Howeverthere are many innovations taking place on continuousbasis to widen the scope of membrane use. Few ofthem are sited below.

• Development of Ultra Low pressuremembranes, which reduces the operatingpressure and hence energy.

• High Solid rejection membranes, givingbetter quality.

• Development of Low fouling and chemicalresistance membranes.

• Development of new applications forrecovery and reuse

• New generation chemicals to enhance theprocess efficiency and safety.

Advanced wastewater treatment processesincorporating reverse osmosis (RO) are becomingmore common partly due to the trend towards usingmicrofiltration (MF) and ultrafiltration (UF)pretreatment. The use of these low pressuremembranes as pretreatment to a RO system hasresulted in integrated membrane systems that havebecome more reliable, economical and easier tooperate and maintain than earlier systems withconventional pretreatment.

Don’t be a fool. Use the proper tool.

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National Seminar on Innovations in Safety, Health and Environment28

Benefits of Membrane Separation

The membrane technology has number ofadvantages over conventional separation processeslike physiochemical and chemical processes.Membrane separation is cleaner as it reduces the useof external reagents. They are more flexible tovariation in feed parameters and impact of thesevariations is minimum. Few technologies, however,achieve the greater objective of economicallyextracting valuables from the waste stream andimproving product quality and/or process efficiencies.These are the challenges that membrane technologyundertakes.

We will briefly discuss with few examples ofmembrane applications, contributing to Environment,Health and Safety.

Membranes for Drinking Water

A significant portion of the Indian rural populationdoes not have access to clean drinking water. This isa result of two challenges: water scarcity and waterpurity.

Chemical contamination is primarily due to

• Inherent geological formation

• Over exploitation leading to qualitydegradation

• Pollution from untreated industrial effluents

• Indiscriminate use of chemical fertilizers inAgriculture sector

The most widespread and significant naturallyoccurring waterborne toxics are arsenic and fluoride.The rather extensive presence of fluoride in drinkingwater in India is of great concern. Fluoride problemsexist in 150 districts of 17 states in the country, Orissaand Rajasthan the most severely affected. Ill effectsof ingestion of fluoride via drinking water range fromskeletal Fluorosis (bones) to dental Fluorosis (teeth).

The presence of arsenic – a poison andcarcinogen, in several states in India is also an areathat needs immediate attention. The WHO estimatesthat at least 35 million people living in West Bengal,Bihar and Bangladesh are affected by arsenic. Healtheffects of arsenic include cancers of the skin, lungs,urinary bladder, and kidneys.

Membranes can be use to remove all thecontaminants to make the water safe for potable.

Membranes to Protect Environment

Textile effluent streams are a complex of unfixeddyestuff, heavy metals, salt, surfactants, stabilizersand others chemicals. There are variations in qualityon continuous basis. Conventionally physicochemicaland biological processes are used to treat and disposeoff the effluent. However, this leads to lot of solidsludge problem

Recycling water, recovering valuables, reducingenergy cost and minimizing disposal fees are difficulttasks for conventional technologies. In addition, sometextile dyes have been shown to possess carcinogenicproperties, creating environmental and public healthrelated disposal issues. Thus membrane separationtechnology is used to meet these challenges andconcentrate/desalt the dyes without the use ofchemicals and loss of dyes. Membranes also help inprotecting environment, as solid sludge is not created.

Membranes for safe reuse of waste water

Over the past several years, membranebioreactor (MBR) technology has been emerging asan efficient and cost-effective alternative to treatingwastewater for water recycling and environmentalprotection. MBR process consists of a suspendedgrowth biological reactor integrated with an ultra-filtration membrane system in hollow fibreconfiguration. (Refer Diagram B)

Diagram B

Membrane Bioreactor (MBR)

MBR process combines the unit operations ofaeration, secondary clarifier and filtration. (ReferDiagram C) Simplifying operation, greatly reducingspace requirement and gives consistent quality

Don’t be safety blinded, be safety minded.

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29National Seminar on Innovations in Safety, Health and Environment

suitable for recycling. The MBR process effectivelyovercomes the problems associated with poor settlingof sludge in conventional activated sludge process .Itpermits bioreactor operation with considerable highmixed liquor solids concentration than conventionalactivated sludge systems, which are limited by sludgesettling. MBR is typically operated at MLSS OF10000-12000 mg/lit. The elevated biomassconcentration allow for highly effective removal ofboth soluble and particulate biodegradable materialin the waste stream.

Diagram C

Simplifying Wastewater Treatment

Typical MBR treated quality.

Typical Effluent Quality

Parameter MBR Effluent Quality

BOD5 < 2 mg/L

TSS < 2 mg/L

Ammonia < 1 mg/L

Total Nitrogen < 3 mg/L*

Total Phosphorus < 0.05 mg/L*

Turbidity <0.2 NTU

Fecal Coliform < 10 CFU/100 ml

Water recycling is another reason that MBR isbecoming more widespread in water-short areas. Thesystems consistently produce high quality water thatis near-drinking water quality, and is commonly reusedin applications such as irrigation, toilet flush water,car washes, industrial manufacturing processes, andmore. This water is also indirectly reused in potablewater supplies either through groundwater rechargeor by being blended into surface water sources suchas rivers, lakes or reservoirs. Groundwater suppliesin coastal areas can also be protected from seawaterintrusion by injecting recycled water into coastalaquifers.

Conclusion

Water reuse is on the rise as global demand forthe world’s fresh water supplies increases. Byrecycling and reusing treated wastewater, we cansave on the costs of clean water, ensure adequatesupplies, and help to preserve a diminishing naturalresource.

Management of our global water resources isvital to creating sustainable water supplies for potable,agricultural, recreational and industrial use.Municipalities and industries around the globe havecome to rely on innovative products and servicesdesigned for operational efficiencies and cost-effectiveness. State-of-the-art membrane filtrationtechnologies can offer water reuse solutions.

Stable BiologicalTreatment Process

Absolute SolidsSeparation

Combines the physical barrier characteristicsof a membrane with biological treatmentReplaces conventional clarification, aerationand filtration

Don’t learn safety by accident.

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National Seminar on Innovations in Safety, Health and Environment30

S.B. Satam

General Manager (Sales and Service), GE India Industrial Pvt. Ltd.

• B.E. (Chemical) from IIT, Mumbai

Technology Head at Ion Exchange (India) Limited, Mumbai.

Two-times winner of the prestigious “Eagle Award” for outstanding salesperformance.

Received the “Growth and Innovation Award” for his extraordinary contribution topromote membranes for water and wastewater recycle applications.

A Water Technologist for over 25 years.

Presented paper in national and International conferences.

Member of Indian Desalination Association.

Member of task force for drinking water mission.

About Author

Don’t leave safe habits at work, take them home

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31National Seminar on Innovations in Safety, Health and Environment

What Behaviour Safety is not?

• A tool to blame workers for poor safetyperformance.

Example of Shivaji gettingelectrocuted

Example of laundry & not removingjammed material

• Replacing effective equipment design orsafeguarding by “staying out of line of fire”.

• Workers getting to work more carefullyaround hazards.

• Replacing good ergonomic programs byproper body position.

• Substituting noise control, chemical exposureby PPE.

Questions that made Experts think onBehaviour Based Safety.

• Why people cross the railway tracks & notuse FOB?

• Why people lean out from a running train?

• Why a person jumps over a trench, whichhas no cover?

• Why people do not always wear safetygoggles?

• Why one person is a risk taker while otheris risk averse?

• Why one maintenance engineer always goesby procedure and other goes by hisgutfeeling?

Behavioural Indicators

• Clean and tidy

• Smart appearance

• Attractive, up to date notices

• Good facilities

Behaviour Based Safety & Safe Attitude EncouragementP.M. Joshi

Manager Safety, Cabot India Ltd.

• Everyone treated the same

• People clean up litter, spills

• Manager’s talk about safety

• Cheerful, constructive attitude

• Safe behaviour is normal

• Most work is planned and scheduled

• Litter, hoses, waste

• Dirty, worn-out overalls

• Tatty, out of date notices

• Old, damaged, overcrowded

• Second class citizens

• Managers talk about costs

• People walk by problems

• Sullen, resentful, unhelpful attitude

• Special clean-ups for visitors

• Lots of urgent unplanned work

The ABC Model

The ABC Model – Example

A ctivatorsA ctiva tors

C onsequ en cesC on seq uences

B ehav iorBB ehavioreh aviorD irect

M otivate

Speeding Speeding Speeding Speeding B B ehaviour ehaviour

A A ctivators ctivators Guide or direct the behaviour

A A ctivators ctivators

C C onsequences onsequences Motivates

future occurrences of the behavior

C C onsequences onsequences

Late Late

Open Open road road Sports Sports

car car Sunny Sunny

day day

Emergency Emergency

No No Cops Cops Others areOthers are

Speeding Speeding

Police Police car car

Drivers Drivers Education Education

Speed Speed limit signs limit signs

Late Late

Open Open road road Sports Sports

car car Sunny Sunny

day day

Emergency Emergency

No No Cops Cops Others areOthers are

Speeding Speeding

Police Police car car

Drivers Drivers Education Education

Speed Speed limit signs limit signs

Wear & Tear Wear & Tear

Wreck Wreck Ticket Ticket

Personal Personal Injury Injury

Waste Waste Gas Gas

Save Save Time Time

Fun! Fun!

Property Property Damage Damage Wear & Tear Wear & Tear

Wreck Wreck Ticket Ticket

Personal Personal Injury Injury

Waste Waste Gas Gas

Save Save Time Time

Fun! Fun!

Property Property Damage Damage

Don’t let safety take a holiday

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National Seminar on Innovations in Safety, Health and Environment32

The can be consequences :

Welcome (+ Welcome (+ ve ve ) / Unwelcome ( ) / Unwelcome ( - - ve ve ) ) Welcome (+ Welcome (+ ve ve ) / Unwelcome ( ) / Unwelcome ( - - ve ve ) )

Certain / Uncertain Certain / Uncertain Certain / Uncertain Certain / Uncertain

Sooner / Later Sooner / Later Sooner / Later Sooner / Later

Which Consequences?

An Example of Unsafe Behaviour

Cause Behaviour

Not available Injury L/U/-In a Hurry Discipline L/U/-

No one else does Saves Time S/C/+

Lack of training Comfort S/C/+

Scratched/Dirty Convenience S/C/+

Better S/C/+

Consequence

Failure to Wear Eye Protection

1DEATH

400SERIOUS ACCIDENTS(broken limbs & worse)

400SERIOUS ACCIDENTS(broken limbs & worse)

20,000MINOR ACCIDENTS

(cuts, scrapes, bumps etc)

20,000MINOR ACCIDENTS

(cuts, scrapes, bumps etc)

2,000,000INCIDENTS OF UNSAFE BEHAVIOUR

(near misses, slips, trips, stumbles)

2,000,000INCIDENTS OF UNSAFE BEHAVIOUR

(near misses, slips, trips, stumbles)

Reducing the number of Unsafe

Reducing the number of Unsafe

Behaviors will help reduce more

Behaviors will help reduce more

\\serious consequences

serious consequences

Behaviour Vs Consequences

What BBS Does?

• Modify or eliminate undesirablebehaviour

• Replace undesirable behaviour withwanted one

Change in Behaviour

How easy is it to change people’s Beliefs,Thinking, Attitude?

We need to motivate them

What Motivates People?

• Skills?

• Knowledge?

• Experiences they have?

• Recognition?

• Reward?

• How competent are they?

Communicate with them

How do we achieve this?

• Set a high standard

• Fix the small problems

• Ask WHY

• Spot checks and audits:

permit systems

operating procedures

training

tests and inspections

• Expect employees to use hearts andminds as well as muscles

Benefits of BBS

Factors leading to safe performance

Improved EHS Improved EHS PerformancePerformance

Improve Improve Business Business PerformancePerformance

Team Team WorkingWorking

LearningLearningOrganizationOrganization

ResourcesResourcesDeDe--layeringlayering

PERSONAL

FACTORS

•• CapabilitiesCapabilities•• AttitudesAttitudes•• TrainingTraining

ORGANIZATION

THE JOB

•• ResponsibilitiesResponsibilities•• StandardsStandards•• MonitoringMonitoring

•• EnvironmentEnvironment•• EquipmentEquipment•• SystemsSystems

Don’t let the light go out, wear eye protection

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33National Seminar on Innovations in Safety, Health and Environment

ENVIRONMENTENVIRONMENTEquipment, Tools, Machines,

Housekeeping, Climate, Management Systems

BEHAVIOURPutting on PPE, Lifting properly, Following procedures,

Locking out power, Cleaning up spills,Sweeping floors, Coaching peers

PERSONPERSONKnowledge, Skills, Abilities,

Intelligence, Motives,Attitude, Personality SAFETYSAFETY

CULTURECULTURE

ENVIRONMENTENVIRONMENTEquipment, Tools, Machines,

Housekeeping, Climate, Management Systems

ENVIRONMENTENVIRONMENTEquipment, Tools, Machines,

Housekeeping, Climate, Management Systems

BEHAVIOURPutting on PPE, Lifting properly, Following procedures,

Locking out power, Cleaning up spills,Sweeping floors, Coaching peers

BEHAVIOURPutting on PPE, Lifting properly, Following procedures,

Locking out power, Cleaning up spills,Sweeping floors, Coaching peers

PERSONPERSONKnowledge, Skills, Abilities,

Intelligence, Motives,Attitude, Personality

PERSONPERSONKnowledge, Skills, Abilities,

Intelligence, Motives,Attitude, Personality SAFETYSAFETY

CULTURECULTURESAFETYSAFETY

CULTURECULTURE

Total Safety Culture

Safe Attitude Encouragement

• People are the ones who get injured so focusattention on what people do

• List critical behaviour factors & conductaudits of employees by employees once youtrain them on the audit technique

• Two-way communication is essential inachieving safe behaviours

• Try to influence attitudes by:

Observing what they are doing

Discussing the possible consequences

Then encouraging them to change theirbehavior

Most Important To Know

• Only working on Behaviour Safety will notyield results or improved safety performance

• Hazard Recognition & Risk Assessment isof prime importance

• Walk The Talk by Leadership Team is must

• Removing unsafe conditions on a regularbasis is a must

• Audits/inspections & corrective/preventiveactions do help in safety performanceimprovement.

• Employees involvement in safety activitiesgoes a long way to achieve safe performance

• A strong systemic approach combined withBBS is the solution to safe workenvironment.

P.M. JoshiManager Safety, Cabot India Ltd.• B.E. (Mechanical)• MBA (Finance)• Advanced Diploma in Industrial Safety• Lead Auditor ISO 9000 and ISO 14000

Achieved British Safety Council Five Star Award for Navin FluorineIndustries.Chairman, SHE Committee, Thane Belapur Industries AssociationCo-ordinator, Mutual Aid and Response Group, Navi Mumbai

About Author

Drive for safety.

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National Seminar on Innovations in Safety, Health and Environment34

Innovations in EnvironmentSuresh Kumar

HOD Technical Services, Gharda Chemicals Ltd., Chiplun

Electricity can turn you off

Effluent treatment processes have undergone a sea change from earlier times. Effluent treatmentplants need to be a increased in chemical industry for safe disposal of waste. ‘‘Prevention is better thancure’’. Following this principle, the aim of chemical processes industries should be to reduce effluents atsource that is, recycle, reuse and recovery. Before letting out the effluent stream into the environment it isimportant to characterise and segregate it.

The innovative of effluent treatment, now in practice, are● Salt solution concentration by mechanical vapor compression.● Evaporators for salt solution concentration.● Wet air oxidation of effluents● Scrubber for fugivitve emission.

The emphasis of all the above technologies should be● Water conservation● Heat recovery and energy conservations

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35National Seminar on Innovations in Safety, Health and Environment

Suresh Kumar

HOD (Technical Services), Gharda Chemicals Ltd.

• B.E. (Chemical) from KREC, Surathkal

• M.Tech (Chemical) from KREC, Surathkal. Stood first in the University.

Expertise in new product design and commissioning.

Looking after process improvements and de bottlenecking of the existing products.

Taken various projects in energy conservation and improvement in environment.

About Author

Expect the unexpected. Gear up for safety.

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National Seminar on Innovations in Safety, Health and Environment36

Role of National Safety Council in Overcoming the EmergingChallenges in Health and Safety of Construction Sector

Girish YadavAssistant Director, National Safety Council, Navi Mumbai

Introduction

Construction sector is very essential and anintegral part of infrastructure development which givestremendous boost to our country’s economy.Improvement in infrastructure without developmentin this sector is impossible. Construction becomes thebasic input for socio-economic development. Besides,the construction industry generates substantialemployment and provides a growth impetus to othersectors through backward and forward linkages. Itis, essential therefore, that, this vital activity is nurturedfor the healthy growth of the economy.

Across the world it is felt that safety inconstruction is a matter of concern. In India this isone of the most vulnerable segments of theunorganized labour in the country. The industry beinghighly labour intensive, safety should becomprehensively addressed at the national level. Alarge number of workers are exposed to the risks ofworkplace accidents and occupational healthproblems. The rate of fatal accidents in this sector isfour to five times that of the manufacturing sector onthe global scale as reported by ILO (InternationalLabour Organisation). Hence, this sector needsgreater attention in order to improve a lot to enhanceits Safety and Health performance.

Construction sector in our country employsaround 33 million people; hence, the issue of safetyand health assumes importance. As per one surveyconducted by ILO 165 per 1,000 workers get injuredduring construction activities. The workers areexposed to a host of hazardous substances, whichhave a potential to cause serious health & occupationaldiseases such as asbestosis, silicosis, lead poisoningetc.

Back ground of the Construction Industry inIndia

The construction industry is characterized bythe predominance of migratory and unskilled labour.A sample statistics of the industry is given as below:

Annual turnover Rs. 3921 billion

Contribution to GDP 6.2%

Employment 33 million workers

Engineers 4.7%

Technicians & Foreman 2.5%

Skilled Workers 15.3%

Un-skilled Workers 73.1%

Annual growth (Targeted) 8%

Source: CIDC Country Report 2005-06

Observations and Inference

· Across the world it is felt that safety inconstruction is a matter of concern. In India this isone of the most vulnerable segments of theunorganized labour.

• The nature of work performed by the constructionworkers is highly hazardous in nature. Further,working conditions at sites are increasingly gettingadversely affected by the use of new technology,hazardous chemicals and a wide variety ofmaterial handling and construction equipment.

• Employment relations are contractual and theyexist for the project duration only. That is whypermanent or semi-permanent systems orarrangements are not thought of.

• Many small contractors do not want to invest intraining the workers employed by themparticularly with regard to safety measuresbecause of short-term relationship with them.

• The workers themselves do not ask for any safetymeasures lest this may affect their employmentopportunity.

• To regulate Safety and Health measures at theconstruction sites the government of India hasenacted a comprehensive Safety Legislation i.e.the Building and Other Construction Workers

Eyes are priceless, eye protection is cheap

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37National Seminar on Innovations in Safety, Health and Environment

(Regulation of Employment and Conditions ofService) Act, 1996 - (BOCWA, 1996) - whichcame in to effect from 1.3.1996 and the CentralRules, 1998 effective from 11.11.1998, andidentified the Office of the Chief LabourCommissioner (CLC) to enforce the Act. Tilltoday, a few states like Kerala, Tamil Nadu, Delhi,Gujarat and West Bengal have framed their stateRules and identified enforcement agencies. Otherstates are in the process of doing so.

• Because of these measures, status of safety andhealth in construction sector is showing someimprovement in the recent past.

• In order to provide good safety standard at thesites, there is a need to take up training andawareness programmes vigorously. The trainingand skill development / certification programmes,should be upgraded both in terms of content aswell as reach. To encourage such training,incentives both financial and non-financial maybe offered to the contractors.

• There is no institutional framework to imparttraining at the worker’s level, barring a fewinitiatives taken by Construction IndustryDevelopment Council (CIDC), National SafetyCouncil (NSC) and some major constructioncompanies. There is a need to build infrastructureso that the employers and workers haveconvenient access to these institutions.

• NSC has provided training to the enforcementofficials to help them to upgrade their technicalcapabilities and understand various issues. Thisprogramme and refresher programmes should beconducted on a regular basis.

• There should be enough experts in the specificarea of management of safety and health inconstruction industry.

· Till today, many construction companies do nothave safety departments at their project site. Theresponsibility is just given to individuals who evendo not posses adequate knowledge andexperience in this field.

• Moreover, there is a shortage of professionalsfor the sector as many of the professionals aregetting absorbed in factories and some are gettingattracted by good salary and joining firms abroad.

• Good standards of safety and health in aconstruction project start with the decisions madeby the client; this determines the whole safetyand health climate of a project. Contracts needto be awarded on the basis of value for moneyand not on the basis of lowest tender. And valuefor money means a completed constructionproject that fits its purpose, fulfils user needs, andachieves a balance between quality and coststhroughout its life. A poor safety and healthperformance not only adds to the client’s costsbut also undermines his reputation. It is importantthat clients treat safety, health and environmentmanagement at construction sites as any otherbusiness investment and integrate it with all otherfunctions.

Safety and Health Issues

Being labour intensive industry, a large numberof workers are exposed to the risks of workplaceaccidents and occupational health problems. Hence,Occupational safety and health problems are commonin the construction industry. Also, the nature of worksperformed is highly hazardous in nature. The majortypes of accidents occur in the industry is:

• Fall from height

• Fall of materials

• Hit by vehicles/construction equipment

• Electrocution

• Collapse of earth

Further, working conditions at sites areincreasingly affected by the use of new technology,hazardous chemicals and a wide variety of materialsand equipment. Employment relations are contractualand they exist for the project duration only. Piecerate system of payment induces the workers to put inlong hours of work. They live near the work siteswithout adequate housing, civic and other facilities.Difficult terrain makes it impossible for governmentinspectors or trade unionists to reach the constructionsite. In general, the work environment at constructionsites is far from satisfactory, but no one seems to bebothered. Knowing that the labours are only dailywage earners, the contractors do not want to investin training them with regard to safety measures.Besides, the workers themselves do not take theirown safety seriously. In spite of its rapid growth, thesector maintains the traditional employment structure,a high labour turnover and a large proportion of small

First...safety...last.

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National Seminar on Innovations in Safety, Health and Environment38

firms operating with minimum outlay and capital. Asa result, insufficient attention is paid to welfare,sanitation, first-aid, and health-care facilities. Thespeed at which the industry is developing, the safetyand health implications are complex and need urgentattention due to the rapidly changing site operations.

Legislation

Despite of various safety related issues thecoverage of laws and regulations is far below thanthe satisfactory. Though the government has enacteda comprehensive Safety Legislation; the Building andOther Construction Workers (Regulation ofEmployment and Conditions of Service) Act, 1996(BOCWA, 1996) which came in effect from 1.3.1996and Central Rules, 1998 from 11.11.1998, but theenforcement has not taken its right shape. Thegovernment has identified the Office of the ChiefLabour Commissioner (CLC) to enforce the Act. Tilltoday, only few states like Kerala, Tamil Nadu, Delhiand Gujarat have framed their state Rules andidentified enforcement agencies which indicates inmany part of the country framing of state Rules andidentify enforcement agencies are yet to be done.

BOCWA, 1996

Applicability

It extends to the whole of India and has comeinto force w.e.f. 1st March 1996. It applies to everyestablishment, which employs or had employed onany day of the preceding twelve months, 10 or morebuilding workers in any building or other constructionwork.

Important Provisions of the BOCWA, 1996

Registration of Establishments : Sections 6 to 10

Employer of every establishment should applyfor registration within a period of 60 days from thecommencement of the construction work forregistration. Every employer shall make an applicationto the registering officer for the regulation of theestablishment to which the Act is applicable alongwith the prescribed fees. The Registration officer willissue a certificate of registration to the employer toenable him to employ building workers.

Hours of Work, Welfare Measures and OtherConditions of Service of Building Workers

: Sections 28 to 37

These Sections deal with fixing hours for normal

working day, wages for overtime work, maintenanceof registers and records prohibition of employmentof certain persons in certain building or otherconstruction work with welfare measures such assupply of wholesome drinking water and temporaryliving accommodation, crèches (where more than 50female workers are employed), first aid, canteens (250or more building workers are employed) and otherconditions of service to all building workers. Theregisters and records relate to particulars of buildingworkers employed, the work performed by them, thenumber of hours of work, the wages paid to them,etc. and the notices in the prescribed form containingthe prescribed particulars. Employment of deafpersons, persons with defective vision, or persons witha tendency to giddiness are prohibited to work in anysuch operation of building or other construction workwhich is likely to involve a risk of any accident eitherto the building worker himself or to any other person.

Safety and Health Measures : Sections 38 to 41

These Sections deal with Safety and Healthmeasures in the construction establishments. Theprovisions include – constitution of safety committeeand appointment of safety officers, notice of certainaccidents, empowering appropriate Government tomake Rules for the safety and health of buildingworkers and framing of Model Rules for safetymeasures.

In every establishment wherein 500 or morebuilding workers are employed, a Safety Committeehas to be constituted and Safety Officer(s) should beappointed. In case of certain accidents, which causedeath or bodily injury by reason of which the personinjured is prevented from working for a period of 48hours or more immediately following the accident, orwhich is of such a nature as may be prescribed, theemployer should give a notice to the prescribedauthority in a prescribed form within a prescribedtime.

Sec. 40 empowers the appropriate Governmentto make Rules concerning safety and health ofbuilding workers and the equipment and appliancesnecessary to be provided to them. Such Rules mayprovide for all or any of the following matters:

• safe means of access to workplace

• precautions in demolition under supervisionof competent person

FOD—This isn’t your daddy’s flight line.

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39National Seminar on Innovations in Safety, Health and Environment

• Safe handling or use of explosives under thecontrol of competent person.

• Erection, installation, use and maintenance oftransport equipment and appointment ofcompetent persons.

• Erection, installation, use and maintenance ofhoists, lifting appliances and lifting gear; testingand examination; appointment of competentpersons.

• providing adequate and suitable lighting ofevery workplace and approach thereto, ofevery place where raising or loweringoperations with the use of hoists, liftingappliance or lifting gears are in progress andof all openings dangerous to building workers.

• Precautions to prevent inhalation of dust,fumes, gases or vapours, secure and maintainadequate ventilation.

• Measures to be taken during handling, stackingor Unstacking of materials.

• safeguarding of machinery

• Safe handling and use of plant and tools andequipment operated by compressed air.

• Precautions to be taken in case of fire.

• Limits of weights to be lifted or moved byworkers.

• Safe transport of workers.

• Steps to be taken to prevent danger to workersfrom live electric wires or apparatus.

• Keeping of safety nets, safety sheets andsafety belts.

• standards to be complied with regard toscaffolding, ladders and stairs, liftingappliances, ropes, chains and accessories,earth moving equipment, etc.

• Precautions with respect to pile driving,concrete work, hot asphalt and demolitionoperations.

• Preparation of a policy relating to steps to betaken to ensure the safety and health of thebuilding workers, the administrativearrangements there for and the mattersconnected therewith.

• To furnish information to the Bureau of IndianStandards regarding the use of any article orprocess covered under the BIS Act, 1986 in abuilding or other construction work.

• Provision and maintenance of medical facilitiesfor building workers.

• Any other matter concerning the safety andhealth of workers working in any of theoperations being carried on in a building orother construction work.

Sec. 41 empowers the Central Government tomake model rules after considering therecommendations of the expert committee constitutedunder Sec.5. It also prescribes that the rules madeby the State Governments under Sec. 40 shall so faras practicable to conform to such model rules.

Inspecting Staff : Sections 42 to 43

These Sections empower the Central/StateGovernment to appoint Director General of Inspection,Chief Inspector of Inspection, respectively through anotification, which shall be responsible for laying downthe standards and monitoring the activities ofconstruction establishments. Further, the appropriateGovernment may also appoint by notification suchnumber of its officers, as it thinks fit to be inspectorsfor the purpose of this Act under Director General/Chief Inspector. Inspectors have the powers: enterany premises / place where building work is carriedout for the purpose of examining the register or recordor notices, examine any person at the place wherehe inspects, require any person to give any informationwith respect of the names and addresses of the personto whom the building or other construction work isgiven out or received and with respect to payment tobe made for the building and other construction work,seize or take copies of any register, record of wagesor notices or portion thereof as he considers relevantin respect of an offence under this Act, and exercisesuch other powers as may be prescribed.

The Act specifies the appointment of DirectorGeneral, Chief Inspector and Inspector by CentralGovernment and State Governments. DirectorGeneral of Inspection is responsible for laying downthe standards of Inspections for all establishmentsfor which Central Government is the appropriateGovernment and for states the Chief Inspector ofInspection of Building and Construction is responsiblefor effectively carrying out the provisions of the Act.Both the Governments appoint Inspectors for the

Forget the nurse with safety first.

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purpose within local limits as they are subject togeneral control and supervision of the DirectorGeneral or the Chief Inspector, as the case may be.The Inspectors have the powers to enter at allreasonable hours any premises or place for thepurpose of examining any records required to be keptunder the Act.

Special Provisions : Sections 44 to 46

Special Provisions deal with responsibility of theemployer- for providing constant and adequatesupervision and taking all practical steps necessaryto prevent accidents, for payment of wages andwherever applicable for payment of compensationas per the Act. Also this Chapter places a duty onemployers in filing notice of commencement ofbuilding and other construction work within 30 daysbefore the commencement of the said work to theInspector having jurisdiction of that construction areaand whenever any changes occur in the particularsfurnished in the notice, the same shall be intimated tothe concerned Inspector within two days. The noticeshould contain: name and location of the place wherethe building or other construction work is proposed tobe carried on, name and address of the person whois undertaking the building or other construction work,nature of work involved and the facilities,arrangements for storage of explosives, if any to beused, number of workers likely to be employed, nameand designation of the person who will be in overallcharge, approximate duration of work, etc.

An employer shall be responsible for paymentof wages to each building worker employed by himor his contractor and such wages shall be paid on orbefore the prescribed date. He is also liable to paycompensation in case of death or disablement inaccordance with the provisions of Workmen’sCompensation Act, 1923. In case a contractor isinvolved, such payment can be recovered from anyamount payable to the contractor.

An employer shall, at least 30 days before thecommencement of any building or other constructionwork send or cause to be sent to the Inspector havingjurisdiction in the area where the proposed buildingor other construction work is to be executed, a writtennotice containing:

• the name and location of the place wherethe building or other construction work isproposed to be carried on;

• the name and address of the person whois undertaking the building or otherconstruction work;

• the address to which communicationsrelating to the building or otherconstruction work may be sent;

• the nature of the work involved and thefacilities, including any plant andmachinery, provided;

• the arrangements for the storage ofexplosives, if any, to be used in the buildingor other construction work;

• the number of workers likely to beemployed during the various stages ofbuilding or other construction work;

• the name and designation of the personwho will be in overall charge of thebuilding or other construction work at thesite;

• the approximate duration of the work;

• Such other matters as may be prescribed.

Where any change occurs in any of thesubmitted particulars the employer shall intimate thechange to the Inspector within two days of suchchange.

Penalties and Procedure : Sections 47 to 55

Under this Chapter, contravention of provisionsof any Rules made under Section 40 of the Act withregard to safety and health measures shall bepunishable with imprisonment for a term which mayextend to three months or with fine which may extendto Rs. 2,000/-, or with both. In case of continuing ofsuch contravention, an additional fine which mayextend to Rs. 100/- for every day of contraventionafter conviction for the first such contravention. Forsubsequent conviction of the same offence within aperiod of two years the employer shall be punishablewith six months imprisonment or with a fine of notless than Rs. 500/-, which may extend to Rs.2,000/-or with both. Similarly penalties are prescribed forother contravention of provisions under some otherprovisions. The Director General may impose thepenalty / Chief Inspector after following the procedurelaid down in the Act

Where an employer fails to give notice of thecommencement of the building or other construction

Get a grip. To prevent a slip, use hand rails.

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41National Seminar on Innovations in Safety, Health and Environment

work, he can be punished with an imprisonment up tothree months or with fine up to Rs. 2,000/- or withboth. For obstructing an Inspector in the discharge ofhis duties the punishment can be up to three monthsimprisonment or fine up to Rs.1,000/- or both. Noperson can be punished twice for the same firstoffence; more punishment is for repeat offence.Appeal against imposing of a penalty can be madewithin three months from the date of the Order ofthe penalty to the Central or the State Governmentas the case may be.

Miscellaneous : Sections 56-64

The Central Government is empowered to givedirections to a State Government or a Board as tothe carrying into execution in that State of any of theprovisions of this Act. Under Sec. 62 the appropriategovernment is empowered to make Rules, afterconsulting the expert committee for carrying out theprovisions of the Act, especially on 33 mattersmentioned in the Section. These matters include: first-aid facilities, canteen facilities, welfare measures,qualifications and duties of safety officers, the formof notice of accident, the rules to be made for thesafety and health of building workers, thequalifications and experience which the experts oragencies employed under sub-section (2) of Sec.43and the terms and conditions on which such expertsor agencies may be employed, etc. Sec. 64 providesfor repealing of the BOCW, etc. Third Ordinance,1996 and to save the action taken or thins done underthat Ordinance.

Accident Scenario

As the sector is unorganized and enforcementhas not yet started to its fullest extent, there is noaccident reporting system followed by the constructioncompanies and hence, there is no reliable and accuratestatistics for the sector. Many accidents are settledby the contractors at the local level so not reach tothe enforcement agencies. However, 8 fatal and 1major accidents were reported during the period of2003-05 (as reported by CLC). Whatever, reportedby the office of the CLC is far below than the realitiesof the industry.

Challenges

It is a bit satisfaction that safety and health haveimproved significantly in construction. The hard partis that we still have a long way to go. Only majorconstruction companies in our country has gonebeyond statutory requirements and formed safety cell

at their corporate offices which coordinates with thesite operations in order to improve the safetymanagement. But still it needs to be extended to allpart of the country through various agencies. In orderto provide good safety standard at the sites, there is aneed to expand the training and skill development /certification programmes, both in terms of content aswell as geographical reach. To encourage suchtraining, incentives may be provided to contractorsfor funding the skill up gradation of constructionworkers. However, there is no institutional frameworkto impart training at the worker’s level, barring a fewinitiatives taken by Construction IndustryDevelopment Council (CIDC), National SafetyCouncil (NSC) and some major constructioncompanies. There is need to impart training for theconstruction workers to bridge the demand-supply gapfor skilled labour force. Also, the living conditions andsanitation, quality of drinking water, education for thechildren of the building workers and access to thegood medical facility are to be improved a lot in orderto improve the social status of the workmen.

Government has taken some measures toaddress various Safety issues in the BOCWA, 1996and Central Rules, 1998. There is a provision inSection-39 (b) (v) of the Act to provide training ofthe workmen engaged in construction work, whichare to be ensured by the construction companies.

Inferences

Role of NSC in improving Safety and Health inthe Construction sector

Launching of New Initiative for the sector

Based on the above facts and figures, NSC hasdecided to focus its effort to improve Safety andHealth for the sector. Considering its infrastructureand core competency it is in better position to givethrust in this direction. Accordingly, the Board ofdirectors in its 121st Meeting held on 8th August, 2003decided to constitute a Task Force. The Task Forcehas decided various packages of services.

Focus

• To facilitate and accelerate theimplementation of the new Legislation.

• To develop and offer services to industryto accelerate and facilitateimplementation of the statutoryprovisions.

Get In S.T.E.P. Safety Takes Every Person.

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National Seminar on Innovations in Safety, Health and Environment42

• To enhance of technical competence ofthe enforcement agencies, industry andsafety professionals.

• To provide services such as training,information, safety audits and OHSMSguidance this will enable the industry tocomply with the statutory provisions.

• To create willingness in the industry toavail of the NSC services.

Strategy

A multi-pronged strategy is necessary to involvethe three main key players - the enforcement agencies,the construction companies and the safetyprofessionals. For a meaningful impact, it is necessaryto at least address the important basic needs of thethree main key players and develop prototype servicesfor them. Accordingly, a holistic strategy has beendeveloped.

• Targeting key groups - enforcementagencies, construction companies andsafety professionals for needidentification.

• Providing training to enforcementagencies for effective enforcement ofthe statutory provisions.

• Creating awareness in the sector forstatutory compliance.

• Supporting industry for its long-termcommitment to enhance safety culturethrough training, information andconsultancy services.

• Introducing appropriate motivationalmeasures like launching of a separateSafety Awards Scheme for the sector.

• Collaborating with major constructioncompanies for implementing theInitiative.

• Enroll construction companies ascorporate members of the Council.

Packages of Services

Developing Manuals for EnforcementAgencies and Construction Companies.

• Designing Training programmes forEnforcement Agencies.

• Designing and conducting specialized andin-plant training programmes.

• Conducting safety audit for companiesexecuting projects.

• Developing publication materials likesafety posters, stickers, instruction cardsetc.

• Instituting separate Safety Awards forthe sector.

Major achievements

• Prepared a Training Manual on“Effective Enforcement of theBuilding and Other ConstructionWorkers (Regulation ofEmployment and Conditions ofServices) Act, 1996 and CentralRules, 1998” for EnforcementAgencies.

• Developed a Training Manual on“Occupational Safety and HealthManagement System” for trainers asper the new Safety legislation.

• Drafted a Training Manual on“Occupational Safety and HealthManagement System based onstatutory provisions under theBuilding and Other ConstructionWorkers (Regulation ofEmployment & Conditions ofService) Act, 1996 and CentralRules, 1998”.

• Prepared a Training Manual on “Safetyin Scaffolding and Working atHeights”.

• Designed an 8-day Specialised TrainingProgramme on “EffectiveEnforcement of the Building andOther Construction Workers(Regulation of Employment andConditions of Service) Act, 1996 andCentral Rules, 1998” conducted inNSC Hqs. for 24 Labour EnforcementOfficers (Central) from 22nd to 31st

December, 2003.

• Conducted public training courses forconstruction employees

Get smart! Use safety from the start.

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43National Seminar on Innovations in Safety, Health and Environment

• Conducted 32 in-plant trainingprogrammes for around 1500 employeescomprising Civil Engineers, Supervisorsand Workers at various constructionsites.

• Extended support to AFCONS in theirlong-term commitment to enhance safetyculture across the Company

• Extended support to ABB Ltd. with sixlocations across the country in stimulatingsafety awareness and setting up of aneffective safety managementprogramme in their locations and projectsites.

• Conducted 12 safety audits onconstruction safety for variousorganisations on their project sites.

• Launched a separate Awards Schemefor the sector from the Awards Year2005.

Conclusion

Good standards of safety and health on aconstruction project start with the decisions made bythe client; this determines the whole safety and healthclimate of a project. Too many contracts are awardedon the basis of lowest price tenders, only to see thefinal price increase significantly through contractvariations, failure to meet quality standards or timedeadlines. Contracts need to be awarded on valuefor money grounds, not lowest price tenders. Andvalue for money means a completed constructionproject that fits its purpose, fulfils user needs, andachieves a balance between quality and coststhroughout its life. A poor safety and health

performance not only adds to the client’s costs butalso undermines its reputation. It is important thatclients treat construction like any other businessinvestment.

While selecting contractors, clients should takethe following occupational safety and health issuesinto account:

• the contractors’ experience;

• their safety and health procedures, forexample policies and procedures;

• knowledge and qualifications of bothmanagers and staff, including knowledgeof applicable legislation;

• past safety and health performance,including accidents;

• provision of safety and health supervision,management and training for bothmanagers and employees;

• safety and health management systemsused;

• arrangements for consulting with theirworkers;

• selection procedures for sub contractors;

• Membership of relevant trade orprofessional organisations like NSC,CIDC etc.

To ensure there is enough time to plan, specifyand schedule the project as safely as possible, keyplayers – such as the designer, safety and healthcoordinator and the contractor – should be appointedas early as possible.

Have another day - by being safe today!

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National Seminar on Innovations in Safety, Health and Environment44

Girish Yadav

Assistant Director, National Safety Council, Navi Mumbai

• B.E. (Mechanical) from VJTI, Mumbai

• PGDISEM (Industrial Safety & Environment Management) from NITIE,Mumbai.

• EMS Lead Auditor IS / ISO 14001:2004

• OHSMS Internal Auditor IS 18001:2000 and OHSAS 18001:1999 Lead AuditorISO 9000 and ISO 14000

Worked as Executive Engineer – Production in Thermax Ltd., Pune

Worked as Assistant Manager – Safety & Environment in ACC, Himachal Pradeshand Uttar Pradesh Divisons.

Played a major role in obtaining MoEF Environmental Clearance for Expansionproject for ACC.

NSCI Awards Mgt, Safety Training, OHSMS IS 18001:2000 Consultancy, SafetyAudit, Other NSCI Consultancy.

About Author

Health and safety, wo2rds to live by.

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Fire Protection System in the High Rise BuildingV.M. Vaidya

CFO, Thane Fire Station

Now a days In Mumbai & an around the citypeople are leaving in a High rise building. In thanecity also because of land scare city people are goingvertically and vertically. Because of strict norms thereis no options left for developers to go vertically. Thatis why all developers are constructing tall buildings inand around the city. Staying in High Rise buildingdefinitely you will get good comforts but at the sametime you must know the physical aspects of the HighRise building and important factors of the buildingare design & construction as well as inbuilt systemof Fire Fighting.1) Definition of the High Rise Building: -

Accordingly Thane city’s development controlRules 25 mtrs. and above all the buildings itcomes in the category of High Rise building.In Mumbai definition of high rise building is 24mtrs. and above where as other part of thecountry is 15 mtrs. above. 15 mtrs. & aboveit is as per National Building code.

2) Open Space: -25 mtrs. and above all the Residential buildingmust have 6 mtrs. open space for easy manureverbility of Fire applicances. As the height ofHigh Rise building increases the open spacewill also increases. But, minimum 6 mtrs.around the building is absolutely necessary.This open space is only reserve for Fireappliances. No private vehicles are supposedto park within the open space.

3) Means of Escape: -A single enclosed staircase having width of1.2 mtrs. must be provided. Trades are 10inches in width and rises are of 6 inches inhigh for proposed staircase of proposedbuilding allows movement of fresh lightingfor the staircase of High Rise building mustbe connected to standby electric supply.

4) Means of Entry: -Two lifts which are attached with each otherare proposed in the High Rise building out oftwo passenger Lift one lift is High Speed lift.(Fire Lift)

Planning & Design of the Lifts shall be inaccordance with latest National Building code(i.e. section 5, Installations of Lifts andEscalators.)Lift of the building are to provide withautomatic speed doors for Lift cars andLandings.One lift in building shall be designed anddesignated as Fire Lift. This lift shall beequipped with Fireman’s switch for groundingit in the event of emergency. Lift car doorsshall have fire resistance of 2 hrs.Lift must be connected to standby source ofpower supply.Power supply to Fire Lift must be automaticallytrip over type to the alternate source at powersupply in the event failure of normal powersupply.

5) Refuse Area: -25 mtrs. and above every after 5 floors refuseArea must be provided for assembly point.This refuse area is kept open for ever For FireBrigade personnals. This refuse area is freeof F. S. I. in refuse Area there must be aprovision of sufficient Light and Drinkingwater.

6) Electric Cable, Shaft & Electric MeterRooms: -Electric Cable shaft shall be exclusively usedfor electric cables and shall not open in thestaircase enclosure. Electric meter Roomsshall be provided at stilt floor level. They shallbe adequately ventilated Electric shaft shall besealed at each floor level with non combustiblematerial such as vermiculite concrete.Inspection door for the shaft if provided shallhave two hrs. Fire resistance.

7) Escape Route Lighting: -Escape route lighting (Staircase & corridorLights) shall be an Independent circuit as perrules.

Hearing protection is a sound investment.

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Fire Fighting Equipment: -Underground water Storage Tank:

An underground water storage tank of not lessthan 1, 25, 000 Ltrs. capacity for the proposed eachbuilding exclusively for fire fighting shall be providedat ground level as location marked on the plan. Asper the design specified in the rules with battle walls& fire brigade collecting breaching. Undergroundtank shall be connected to wet risers & courtyardhydrant system.Overhead (Terrace) Water Storage Tank:

Another tank of 20000 Ltrs. capacity shall beprovided at terrace level for each building. The design& layout of this tank shall be got approved fromconcerned department prior to its erection. The tankshall be connected to wet riser through a booster pumpthrough N.R. Valve & gate valve.Wet – Riser:

One wet-riser of internal diameter of 15 cms ofG.I. ‘C’ class pipe shall be provided for each buildingin the duct adjoining the staircase with twin hydrantoutlet & hose- reel on each floor in nitches in such away as not to reduce the width of corridor. Pressurereducing discs or orifices shall be provided at lowerlevel so as not to exceed pressure of 5.5 kgs. /cm2.A fire service inlet on the external face of the eachbuilding bear the static directly fronting the courtyardshall be provided to connect the mobile pump of fireservice to the wet riser.Fire Pump & Booster Pump:a. Wet riser of each building shall be connected

to a fire pump at ground level of capacity ofnot less than 2400 LPM capable of givingpressure of not less than 3.2 KG./Cm2 at topmost hydrant.

b. Booster pump of capacity 900 LPM giving apressure of not less than 5.2 kg./cm at topmost hydrant outlet at the wet-riser shall beprovided at the terrace level of each building.

c. Electric supply (normal) to these pumps shallbe on independent circuits.

d. Stand by pump of equal capacity shall beprovided.

e. Separate pumps shall be proposed for separateU.G. Tanks.

External Hydrant:Four external hydrants shall be provided for the

each building within the confines of the site on thewet Riser at location marked on the plan.Hose Reel:

Near each internal hydrant of each building hosereel shall be installed. Each hose reel tubingterminating in to shut off nozzle of 5 mm outlet. Hosereel shall be connected directly to the risers & it shallconfirm to the latest codes 8090.Hose Boxes:

Near each internal and external hydrant of eachbuilding hose boxes to be provided. Each box shallbe equipped with 2 x 15 meter length of 63 mm rubberline hose along with standard branch pipe. It shallconfirm to latest IS code 636 & 903 respectively.Portable Fire Extinguishers:

The following portable extinguishers shall beprovided at the electric meter room (Service) at groundfloor level /stilt & at lift machine room at terrace levelof all the buildings.i. D.C.P. type fire extinguishers of 5 kg. capacity

with ISI marks. -1 No.ii. Buckets filled with dry clean sand – 2 Nos.Fire Alarm System:

All the buildings shall be provided with manualfire alarm system with main control panel at groundfloor level & pillboxes & hooters at the each upperfloors level. The layout of the fire alarm systemshall be in accordance to the Indian StandardSpecifications.Fire Control Room:

Fire control room shall be proposed on theground stilt floor level of the each building. The sizeof the fire control room must be adequate for housingall indicating / control equipment for the fire alarmsystem, public address system, intercom system andalso for the displaying the plans of all the floors of theeach building.Sprinklers: -Automatic Sprinklers: -

As proposed basement area is more than 700sq.ft.mt.whole basement shall be sprinkler with latestIS specification design and lay out of the sprinklersystem shall be dot approved by Chief Fire Officer.

If you don’t know what is going to happen, there is no way to stop it. Plan ahead for safety.

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DON’T’S DO’SDon’t run in panic. Raise alarm or shout ‘FIRE’ at the peak of your

tone, if you notice fire within your vicinity.

Don’t take undue risk. Approach the scene within the quickest possibletime.

Don’t tamper with any machinery during firefighting. Leave them for authorized handling.

Try to attract others attention as far as possibleon your way to the scene of fire.

Don’t argue or discuss on the scene of fire. If you are first to reach make sure that no life istrapped.

Don’t linger with the equipment. If you don’t knowits operation, keep away or ask some one nearby.

Try to put off the fire with the nearestappropriate type of extinguishers.

Don’t throw sand on machinery parts. Use C02 ordry powder instead.

As other rush to the scene tell them what thetype is and which extinguisher to be use.

Don’t flood the affected area with water unlessrequired.

Do arrange to put off the supply in case ofelectrical fires.

Don’t crowed the scene of fire. Do not take any chance. Dial ‘101’ and giveexact location.

Don’t close the valve of a flammable gas cylinder offire.

Open all doors and windows after the fire iscompletely extinguished to avoid inhalation ofany fumes.

Don’t resort to breaking cutting unless required. Keep yourself posted with information from timeto time.

Don’t use all the types of extinguishers on one fire.Don’t use water on oil, Electrical and metal fires.

V.M. Vaidya

Chief Fire Officer,Thane Fire Station, Balkum, Thane• B.A.• Advanced Diploma in Fire Engineering

Member of Local Crisis Group, District Crisis GroupTwenty-Eight years of service experience as Sub-Officer, Station Officer,Divisional Officer, Deputy Chief Fire Officer & Chief Fire Officer.Attended – Fire Calls, Riots Avaro Helicopter Crash.Frequent interaction with the Mutual Aid Response Group meeting withdifferent hazardous companies.

About Author

If you mess up, ‘fess up.

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BLEVE and Modern Trends of ControlD. B. Kamble

Sr. Manager, Process Safety,Bharat Petroleum Corporation Ltd., Mahul Refinery, Mumbai

Abstract:

This paper outlines the basic principles and mechanism of boiling liquid expanding vapour explosion(BLEVE) for liquefied petroleum gas. The bleve is considered as the most dramatic and potentiallydangerous event, which can occur in, liquefied petroleum gas facility. Mexico disaster is well known inthe history for the effects of the bleve.

The consequence of the bleve has been discussed to understand its various effects like generation offireball, explosion overpressures and missiles/fragmentation .The various cases of heat radiations for1% fatality are also discussed. Various modern trends to eliminate bleve have been given in this paperfor increasing safety and reduction of societal risk.

Introduction

A bleve is an explosion resulting from the failureof the vessel containing a liquid at a temperaturesignificantly above the boiling point of the liquid atnormal atmospheric temperature. The bleve can beflammable or nonflammable. The nonflammable blevecan produce two effects viz blast due to the expansionof the vapour in the container and flashing of theliquid and fragmentation of the container.

Generally BLEVE’s are more commonlyassociated with the release of flammable liquid fromthe vessels such as a consequence of the externalfires. Such bleve can produce buoyant fireballs whoseradiant energy can burn the exposed skin and ignitethe nearby combustible materials. As per NFPA, bleveis defined as failure of a major container in to two ormore pieces, occurring at a moment when thecontained liquid is at a temperature above its boilingpoint at the normal atmospheric pressure.

Causes of BLEVEs

Three different causes of vessel failures havebeen responsible for Bleve.

• Excessive internal Pressure

• Mechanical Damage due to impact

• Overheating due to external fire

Excessive internal pressure will occur, if thevessel is full of liquid, or the temperature of liquidincreases and there is no relief device on the vessel.Vessel rupture due to the latter cause is very raresince numerous design codes specify the provisionof relief valves.

In the history few bleves are occurred due tomechanical damage to pressure vessels, particularlydamage caused to tank trucks and rail wagonsinvolved in the accidents and derailment. In somecases, the forces imposed by the accident on thepressure vessel were sufficient enough to causeimmediate rupture of tank. The most common causeof vessel failure that results in the bleve is overheating of the vessel. At ambient temperature, apressure vessel is easily capable of with standing thepressure exerted by its contents. However, if thetemperature of the shell of the vessel increases dueto contact or impingment of the external flames, theshell begins to loose its strength. The relief valvesprovided on the vessel are capable of limiting thepressure rise with in the vessel to approximately 121%of the vessel design pressure even if the flames engulfthe vessel (As per API-521). During this process ifthe temperature of some localized area of the shellbecomes too hot, then the vessel can rupture violently,even though the pressure with in the bullet ismarginally higher than the design pressure of thevessel.

Mechanism of Bleve

Imagine a case wherein a Horton spherecontaining liquefied petroleum gas up to 80% level isengulfed in the fire due to formation of liquid poolnear the bottom of the sphere. During blevephenomenon, three mechanisms are responsible forincreasing the internal pressure.1. LPG has a high coefficient of cubical expansion.

The increase in the volume of LPG is directlyproportional to the temperature of the liquid. As

Ignoring a warning can cause much mourning.

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temperature goes up during heating from flameengulfment, the volume of the liquid inside thesphere will increase and the level inside spherewill rise further. This will compress the LPGvapour inside the vapour space of the sphere.

2. The vapour pressure of the liquid is directlyproportional to the temperature of liquid as givenby Antoine equation. As temperature of liquid goesup, the vapour pressure of LPG will also go upresulting in further compression of the vapoursin the vapour space of the sphere.

3. The LPG vapour in the vapour space follows theideal gas law. As the temperature goes up andvolume get compressed, the pressure will go upmany folds.

During the heating of the vessel, the wettedsurface of the vessel absorbs heat whereas unwettedvapour space will not able to absorb heat. Thetemperature will rise at a steeper rate in the unwettedarea of sphere resulting in the failure of the vessel.Before Horton sphere rupture, the liquid inside theHorton sphere is in equilibrium with the saturatedvapour. If the Horton sphere ruptures, vapour isvented and pressure on the liquid drops sharply. Uponloss of equilibrium, the LPG liquid will flash at vapourliquid interface as well as liquid- container wallinterface and depending on temperature throughoutthe liquid. Depending on the liquid temperature,instantaneous boiling will occur through out the bulkof the liquid. This will result in large vaporizations ofliquid in milliseconds. Instantaneous boiling will occurand due to source of ignition, the vapour cloud willget ignited .The liberated energy in such cases is veryhigh resulting in the generation of high blastoverpressures and generation of vessel fragments athigh velocities and resulting in the propulsion of thefragments over very long range. The fireballgenerated will lift off and give intense thermalradiation causing bur injuries and secondary fires.

Consequences of Bleve

There are three basic consequences of theBleve of liquefied petroleum gas:

1. Very intense thermal radiation from the fire ball

2. Generation of high blast over pressure.

3. Propulsion of the vessel fragments at very highvelocity and traveling longer distances/range.

Computer Simulations

The bleve scenario has been studied for threecases with the help of software for assessing fire,explosion and toxic impacts, supplied by DNVSoftware, UK. The bleve scenario is studied for theformation of the fireball and generation of blast wavesfor pasquill stability of 1.5 D, 3D and 1.5 F. The casesand quantity of butane taken are given below:

Case1: LPG Lorry

The damage distance of the blast wavegenerated for 18000 kg of butane contained in thelorry is estimated for various pasquill stabilities asmentioned above.

Overpressure Unit Effect

Level 1.5 F 1.5D 3D0.01 bar window

smashed355.7 355.7 355.7

0.1 bar 10% houses

damaged

57 57 57

0.3 bar 90% houses

damaged

29.3 29.3 29.3

Damaged distance at over pressure levels

Radiation Unit Effect

Level 1.5 F 1.5D 3D12.5 KW/m2 1%

fatality211 211 211

Damaged distance at radiation levels

Is better to lose one minute in life... than to lose life in a minute.

SN Case Quantity of Butane, Kgs

Operating Pressure,kg/cm2g

1 Lpg lorry 18,000 82 Horton

Sphere1,050,000 8

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Case2: Horton Sphere:

The damage distance of the blast wavegenerated for 1050000 kg of butane contained in theHorton sphere is estimated for various pasquillstabilities as mentioned above.

Overpressure Unit EffectLevel 1.5 F 1.5D 3D0.01 bar window

smashed1422.3 1422.3 1422.3

0.1 bar 10% houses

damaged

227.9 227.9 227.9

0.3 bar 90% houses

damaged

117.2 117.2 117.2

Damaged distance at

Radiation Unit Effect

Level 1.5 F 1.5D 3D12.5 KW/m2 1%

fatality984.4 984.4 984.4

Damaged distance at radiation levels

As per above simulation the windows cansmash up to 1.5 kms and 1% fatality can result to adistance of 0.98 kilometer for the worst-casescenario.

Generation of shrapnels/missiles:

Bleve can generate the sharpnels/misiles fromthe storage vessel and these can travel to a distanceof 400-650 meters depending upon the intensity ofBleve. It has been estimated by CCPS that a15 mdia horton sphere containing

1112 m3 of propane if bleved can generate 14missiles, which can move at a speed of 256m/s andtravel to a distance of 642 m.

Case studies:

1. Mexico disaster:

On 19th November 1984 at 0535 hrs. a seriesof explosion and fires started, which lasted until 2300hours in San Juan Ixhuatepec, Mexico city. Thedisaster occurred in the premises of the organizationPEMEX (Petroleous Mexicanos) a fairly modernplant built to API standards. It functioned as a LPGbulk storage and distribution depot. Total 11,000 m3of LPG was stored in 160 m3 sphere and 48 horizontalcylindrical bullets. All the spheres were in closeproximity. The legs of the Horton sphere were notfire proofed. It is believed that no firewater fixedsprays or deluge system was fitted to the tanks. Theinitiating event appeared to have been a leak on one

of the pipeline bringing the LPG from the refineries.The over ground pipeline was 200 mm in dia andappeared to have ruptured inside the site near to thestorage. In consequence, a vapour cloud formedwhich was driven down a slight slope by a breezeestimated at about 0.4 m/s blowing in a southwestdirection. The cloud measured about 200 meters by150 meters by 2 meters and after 5 to 10 sec. thecloud ignited at a ground flares about 100 metersfrom the point of release. The storage area wasbunded in to 13 separate areas by walls about 1 meterhigh. The consequence of the disaster is given below:

· A fierce fire developed, engulfing spheres oneafter another in the series of bleves.

· Nine explosions were recorded, resulting in 542fatalities and injuring 7000 people.

· 20,000 people were evacuated.

· The fireball went up to 300 meter in dia and lastedfor 20 seconds.

· 2000 houses were destroyed located at 300meters distance and 1800 were badly damaged.

· Windows were broken up to 600-meter distanceand missiles were thrown at considerabledistance.

The emergency plan functioned well in thecircumstances.

2. Incidence of Bleve in India:

The Incident:

On 7.1.2001, a LPG lorry containing 17.93 MTof lpg was heading towards varanasi, had an head-on collision with the truck carrying plywood comingfrom opposite direction at Bara village approximately25 kms from kanpur. The truck carrying plywoodwas trying to overtake other truck at the place ofaccident. There was poor visibility at the accidentsite due to fog. The collision had resulted in the rearwheels of the LPG bulk lorry skidding down theslope. This has caused the shearing of liquid/vapourline of bullet. Soon after the incidence, the LPG lorrycaught fire. The LPG leaking from the lorry formeda pool fire of LPG below the bullet. This has resultedin heating of the bullet and resulted in the bleve.Theheight of the flames were as high as 50 meters.

The rupture of bullet has taken at the longitudinalsurface at the top of the bullet. The bullet has burst

It hurts to be unsafe.

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in to 5 major pieces consisting of centre sheet almostflattened, two dished ends and two baffle plates.Thedish ends were thrown on the side of road about 100and 150 meters. Two baffle plates were thrownradially towards the village side and had traveled adistance of 80 and 100 meters from the site ofaccident. These flying pieces were seen by thevillagers, who got panicky and started running awayfrom their houses. The flying bullet pieces fell insidethe village as well as other side of the village insidethe fields.

Fatalities

Total 12 number of people including driver andcleaner of the LPG truck lost their life in theaccident.Further driver, cleaner of the truck carryingthe plywood and the four villagers got the burninjuries.

Control measures to eliminate bleve:

Short-term measures:

The bleve scenario can be eliminated by takingsome short term and long term measures:

1. Provide deluge system activated by quartzoidbulbs to activate the deluge system in case ofhigh temperature of sphere.

2. Avoid leakage of LPG below sphere and provisionof sloped floor (1:100) below the sphere so thatLPG do not accumulate below sphere.

Long-term measures:

1. Conversion of Horton spheres in to moundedbullet:

This design will cover the shell of the moundedbullet with cement mound and in between spaceis filled up by using quartz sand so that flameimpingement is never possible

2. Conversion of Horton sphere in to stoned mined

caverns:

The LPG is stored in the rock cavities belowthe ground water table so that the hydrostatic pressureis far more than the vapour pressure of the liquid atthe temperature of the surrounding rock. Thehydrostatic pressure ensures containment of theproduct in the cavities created. These caverns aresafe from warfare, sabotage and natural calamities.The other advantages are no risk of leakage,occupying much less land as compared to otherstorage facilities, requires lesser investment andmaintenance and offering longer life as compared tothe surface tanks

BLAST OVERPRESSURE OF A LORRY

FIREBALL FROM A BLEVE OF LORRY

D.B. Kamble

Sr. Manager, Process Safety,Bharat Petroleum Corporation Ltd., Mahul Refinery, Mumbai

• B.Tech (Chemical Engineering)

About Author

Keep cool in the sun, wear light colored clothing

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National Seminar on Innovations in Safety, Health and Environment52

Abhijeet M. Kulkarni

Food Safety Coordinator, Cadbury India Ltd., Thane• M.Sc. (Microbiology)

About Author

Introduction:Product range includes chocolates & Drinks:Dairy Milk, 5 Star, Bourn Vita, Celebrations, Wowie,

Perk, Crackle, 5 Star, etc.History:

CADBURY existed in India for more than 50years.Market leader comprising more than 70% market share.In UK it is there for more than 100years.

In October 2003, just a month before DIWALI festival– customers in Mumbai complained about finding wormsin Cadbury’s premium brand Dairy Milk chocolate.

A major set back to Cadbury. Chocolates not storedas per the storage instructions in market.

The heat of negative publicity melted Cadbury’s salesby 30% as against festival rise of 15%.

Not only loss of business but also loss of credibility.

Solution

Launch of project VISHWAS – An educationalinitiative for huge business partners covered entire supplychain (190000 retailers).

Corporate head quarter jumped in to save consumerinterest.

Recover customer satisfaction.

PROJECT VISHWAS - Confidence Building

Following are the focus elements of PROJECTVISHWAS:

• Incoming Material Quality Assurance• Prerequisite Programme• HACCP implementation• Control of Non Conformance Product• Microbiological Safety• Meeting Legal requirements• Distribution Management

Case Study: Innovation in Packaging for Safety and HealthAbhijeet M. Kulkarni

Food Safety Coordinator, Cadbury India Ltd., Thane

Company invested Rs.150 million (Rs. 15crore) on imported machinery for new packingstyle of chocolates. Revamped the packagingof Dairy Milk:

PACKAGING. Earlier chocolates wereband wrapped while now chocolates arepacked in pillow pack. This eliminatesprospective problems of infestation.

Band Wrap Pillow Pack

Comeback

What consumer wants?Answer: Consumer insists assurance of

QUALITY.Best piece of suggestion came from a

Sales Executive – To get bollywood starAmitabh Bacchan as brand Ambassador.Bib B – A personality of conviction,

honest.Idea worked wonders for the Cadbury

brands.By June 2004, Innovation in packing

coupled with advertisement restored consumerconfidence.

Leader in Indian chocolates market withover 70% market share.

Anger is one letter away from Danger. Drive gently.

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Labels are no good if they’re not understood.

ARTICLES

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Learn from others mistakes, don’t have others learn from you.

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Safety in ExcavationA.K. Kulkarni

AGM – SafetyAfcons Infrastructure Limited.

The possible type of accidents duringexcavation is

• Collapse of the sides

• Material falling onto the people working inexcavation

• People and vehicle falling into the excavation

• People being struck be the plant andmachinery

• Undermining the nearby structure

• Contact with the underground services

• Access to the excavation

• Fumes and

• Accidents to the member of the public

To avoid the above type of accidents, we muststart with the basics from the soil ty[pe, its mechanicsetc. Let us start with –

DETERMINATION OF SOIL TYPE:Categories of soil and rock deposits in 4 groups

STABLE ROCK is natural solid mineral matterthat can be excavated with vertical sides and remainintact when exposed. It is usually identified by a rockname such as granite or sandstone. Determiningwhether a deposits of this type may be difficult unlessit is known whether cracks exists and the crack runinto or away from the excavation.

TYPE A SOILS are cohesive soils with anunconfined compressive strength of 1.5 tons persquare foot (tsf) (144 kPa) or greater. Examples ofType A cohesive soils are often: clay, silty clay, sandyclay, clay loam and, in some cases, silty clay loamand sandy clay loam. (No soil is Type A if it is fissured,is subject to vibration of any type, has previously beendisturbed, is part of a sloped, layered system wherethe layers dip into the excavation on a slope of 4horizontal to 1 vertical (4H:1V) or greater, or hasseeping water.

TYPE B SOILS are cohesive soils with anunconfined compressive strength greater than 0.5 tsf(48 kPa) but less than 1.5 tsf (144 kPa). Examples ofother Type B soils are: angular gravel; silt; silt loam;previously disturbed soils unless otherwise classifiedas Type C; soils that meet the unconfined compressivestrength or cementation requirements of Type A soilsbut are fissured or subject to vibration; dry unstablerock; and layered systems sloping into the trench at aslope less than 4H:1V (only if the material would beclassified as a Type B soil)

TYPE C SOILS are cohesive soils with anunconfined compressive strength of 0.5 tsf (48 kPa)or less. Other Type C soils include granular soils suchas gravel, sand and loamy sand, submerged soil, soilfrom which water is freely seeping, and submergedrock that is not stable. Also included in thisclassification is material in a sloped, layered systemwhere the layers dip into the excavation or have aslope of four horizontal to one vertical (4H:1V) orgreater.

LAYERED GEOLOGICAL STRATA.Where soils are confined in layersi.e. Where a layeredgeological structure exists, soil must be classified ofthe weakest soil layer. Each layer may be classifiedindividually if a more stable layer lies below a lessstable layer i.e. Where a type C soil rests on top stablerock

BENCHING. There are two basic types ofbenching, simple and multiple. The type of soildetermines the horizontal to vertical ratio of thebenched side.

As a general rule, the bottom vertical height ofthe trench must not exceed 4 ft (1.2 m) for the firstbench. Subsequent benches may be up to a maximumof 5 ft (1.5 m) vertical in Type A soil and 4 ft (1.2 m)in Type B soil to a total trench depth of 20 ft (6.0 m).All subsequent benches must be below the maximumallowable slope for that soil type. For Type B soil thetrench excavation is permitted in cohesive soil only.

Never dive unless you know the depth of the water and the type of surface below

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EXCAVATIONS MADE IN TYPE A SOIL.

SLOPE CONFIGURATIONS: EXCAVATIONS IN LAYERED SOILS.

EXCAVATIONS MADE IN TYPE B SOIL.

No safety know pain, know safety no pain

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SLOPING AND BENCHING. 1.

SLOPING. Maximum allowable slopes forexcavations less than 20 ft (6.09 m) based onsoil type and angle to the horizontal are asfollows:

ALLOWABLE SLOPES.

Soil type Height/Depth ratioSlope angle

Stable Rock Vertical 90°

Type A ¾:1 53°

Type B 1:1 45°

Type C 1½:1 34°

Type A (short-term) ½:1 63°

(For a maximum excavation depth of 12 ft)

SOIL MECHANICS

A number of stresses and deformations canoccur in an open cut or trench. For example, increasesor decreases in moisture content can adversely affectthe stability of a trench or excavation. The followingdiagrams show some of the more frequently identifiedcauses of trench failure.

A. TENSION CRACKS. Tension cracksusually form at a horizontal distance of 0.5 to 0.75times the depth of the trench, measured from the topof the vertical face of the trench. See theaccompanying drawing for additional details.

FIGURE 5:2-1. TENSION CRACK

B. SLIDING or sluffing may occur as a resultof tension cracks, as illustrated below.

FIGURE 5:2-2. SLIDING.

C. TOPPLING. In addition to sliding, tensioncracks can cause toppling. Toppling occurs when thetrench’s vertical face shears along the tension crackline and topples into the excavation.

FIGURE 5:2-3. TOPPLING.

D. SUBSIDENCE AND BULGING. Anunsupported excavation can create an unbalancedstress in the soil, which, in turn, causes subsidence atthe surface and bulging of the vertical face of thetrench. If uncorrected, this condition can cause facefailure and entrapment of workers in the trench.

FIGURE 5:2-4. SUBSIDENCE ANDBULGING.

E. HEAVING OR SQUEEZING. Bottomheaving or squeezing is caused by the downwardpressure created by the weight of adjoining soil. Thispressure causes a bulge in the bottom of the cut, asillustrated in the drawing above. Heaving andsqueezing can occur even when shoring or shieldinghas been properly installed.

FIGURE 5:2-5. HEAVING OR SQUEEZING.

Operational Risk Management, it’s not just for the workplace

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F. BOILING is evidenced by an upward waterflow into the bottom of the cut. A high water table isone of the causes of boiling. Boiling produces a“quick” condition in the bottom of the cut, and canoccur even when shoring or trench boxes are used.

FIGURE 5:2-6. BOILING.

SELECTION OF PROTECTIVE SYSTEMSIN EXCAVATION

Is the excavation more than 1.5 meters in depth?

Is there potential for Cave- in ?

Is the excavation entirely in stable

rock

Excavation may be made with vertical sides

Excavation must be sloped, shored or

shielded

Shoring or Shielding selected Fig.3

Sloping selected Fig.2

No Yes

Yes No

Excavation must have a slope of M :V = 1.5 : 1

i.e. 34

Excavation must comply the slopes discussed

earlier or decided by a specialist.

Sloping selected as method of protection

Soil Classification made?

Fig. 2 – Sloping Options

Fig. 1 – Preliminary Decision

Shoring or Shielding

Make timber shoring depending upon depth of excavation, width of

excavation and soil classification Use available standard

Soil Classification is a must – make it

Use hydraulic shoring, trench jacks, air shares, shields.

Use manufacturer’s data

Get it designed by a specialist

Option 1

Option 2

Option 3

Fig. 3 Shoring Types

SHORING TYPES.

Shoring is the provision of a support system fortrench faces used to prevent movement of soil,underground utilities, roadways, and foundations.Shoring or shielding is used when the location or depthof the cut makes sloping back to the maximumallowable slope impractical. Shoring systems consistof posts, wales, struts, and sheeting. There are twobasic types of shoring, timber and aluminum hydraulic.

FIGURE V:2-7. TIMBER SHORING.

People helping people—lending hands for our safety.

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59National Seminar on Innovations in Safety, Health and Environment

HYDRAULIC SHORING. The trend todayis toward the use of hydraulic shoring, a prefabricatedstrut and/or wale system manufactured of aluminumor steel. Hydraulic shoring provides a critical safetyadvantage over timber shoring because workers donot have to enter the trench to install or removehydraulic shoring. Other advantages of most hydraulicsystems are that they:

Are light enough to be installed by oneworker;

Are gauge-regulated to ensure evendistribution of pressure along the trench line;

Can have their trench faces “preloaded” touse the soil’s natural cohesion to preventmovement; and

Can be adapted easily to various trenchdepths and widths.

All shoring should be installed from the top downand removed from the bottom up. Hydraulic shoringshould be checked at least once per shift for leakinghoses and/or cylinders, broken connections, crackednipples, bent bases, and any other damaged ordefective parts.

SHORING VARIATIONS: TYPICALALUMINUM HYDRAULIC SHORINGINSTALLATIONS.

PNEUMATIC SHORING works in a mannersimilar to hydraulic shoring. The primary differenceis that pneumatic shoring uses air pressure in place

of hydraulic pressure. A disadvantage to the use ofpneumatic shoring is that an air compressor must beon site.

1. Screw Jacks. Screw jack systems differfrom hydraulic and pneumatic systems in that the strutsof a screw jack system must be adjusted manually.This creates a hazard because the worker is requiredto be in the trench in order to adjust the strut. Inaddition, uniform “preloading” cannot be achievedwith screw jacks, and their weight creates handlingdifficulties.

2. Single-Cylinder Hydraulic Shores. Shoresof this type are generally used in a water system, asan assist to timber shoring systems, and in shallowtrenches where face stability is required.

3. Underpinning. This process involvesstabilizing adjacent structures, foundations, and otherintrusions that may have an impact on the excavation.As the term indicates, underpinning is a procedure inwhich the foundation is physically reinforced.Underpinning should be conducted only under thedirection and with the approval of a registeredprofessional engineer.

SHORING VARIATIONS.

SHIELDING TYPES.

TRENCH BOXES are different from shoringbecause, instead of shoring up or otherwise supportingthe trench face, they are intended primarily to protectworkers from cave-ins and similar incidents. Theexcavated area between the outside of the trenchbox and the face of the trench should be as small aspossible. The space between the trench boxes andthe excavation side are backfilled to prevent lateralmovement of the box. Shields may not be subjectedto loads exceeding those which the system wasdesigned to withstand.

Professionals Practice Safety

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National Seminar on Innovations in Safety, Health and Environment60

TRENCH SHIELD. TRENCH SHIELD, STACKED.

COMBINED USE. Trench boxes aregenerally used in open areas, but they also may beused in combination with sloping and benching. Thebox should extend at least 18 in (0.45 m) above thesurrounding area if there is sloping toward excavation.This can be accomplished by providing a benchedarea adjacent to the box.

Earth excavation to a depth of 2 ft (0.61 m)below the shield is permitted, but only if the shield isdesigned to resist the forces calculated for the fulldepth of the trench and there are no indications whilethe trench is open of possible loss of soil from behindor below the bottom of the support system. Conditionsof this type require observation on the effects ofbulging, heaving, and boiling as well as surcharging,vibration, adjacent structures, etc., on excavatingbelow the bottom of a shield. Careful visual inspectionof the conditions mentioned above is the primary andmost prudent approach to hazard identification andcontrol.

SPECIAL HEALTH AND SAFETYCONSIDERATIONS.

A.SURFACE CROSSING OFTRENCHES. Surface crossing of trenches shouldbe discouraged; however, if trenches must be crossed,such crossings are permitted only under the followingconditions:

Vehicle crossings must be designed by andinstalled under the supervision of a registeredprofessional engineer.

Walkways or bridges must be provided forfoot traffic. These structures shall:

- have a safety factor of 4;

- have a minimum clear width of 20 in(0.51 m);

- be fitted with standard rails; and

- extend a minimum of 24 in (.61 m) pastthe surface edge of the trench.

B. INGRESS AND EGRESS. Access to andexit from the trench require the followingconditions:

Trenches 4 ft or more in depth should beprovided with a fixed means of egress.

Spacing between ladders or other means ofegress must be such that a worker will nothave to travel more than 25 ft laterally to thenearest means of egress.

Ladders must be secured and extend aminimum of 36 in (0.9 m) above the landing.

Metal ladders should be used with caution,particularly when electric utilities are present.

C.EXPOSURE TO VEHICLES. Proceduresto protect employees from being injured or killed byvehicle traffic include:

Providing employees with and requiring themto wear warning vests or other suitablegarments marked with or made of reflectorizedor high-visibility materials.

Requiring a designated, trained flag personalong with signs, signals, and barricades whennecessary.

D. EXPOSURE TO FALLING LOADS.Employees must be protected from loads orobjects falling from lifting or digging

Proper planning prevents piss-poor performance.

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61National Seminar on Innovations in Safety, Health and Environment

equipment. Procedures designed to ensuretheir protection include:

Employees are not permitted to work underraised loads.

Employees are required to stand away fromequipment that is being loaded or unloaded.

Equipment operators or truck drivers may stayin their equipment during loading and unloadingif the equipment is properly equipped with acab shield or adequate canopy.

E. WARNING SYSTEMS FOR MOBILEEQUIPMENT. The following steps shouldbe taken to prevent vehicles from accidentallyfalling into the trench:

Barricades must be installed where necessary.

Hand or mechanical signals must be used asrequired.

Stop logs must be installed if there is a dangerof vehicles falling into the trench.

Soil should be graded away from theexcavation; this will assist in vehicle controland channeling of run-off water.

F. HAZARDOUS ATMOSPHERES ANDCONFINED SPACES. Employees shall notbe permitted to work in hazardous and/or toxicatmospheres. Such atmospheres includethose with:

Less than 19.5% or more than 23.5% oxygen;

A combustible gas concentration greater than20% of the lower flammable limit; and

Concentrations of hazardous substances thatexceed those specified in the Threshold LimitValues for Airborne Contaminantsestablished by the ACGIH (AmericanConference of Governmental IndustrialHygienists).

All operations involving such atmospheres mustbe conducted in accordance with requirements foroccupational health and environmental controls forpersonal protective equipment and for lifesavingequipment. Engineering controls (e.g., ventilation) andrespiratory protection may be required.

When testing for atmospheric contaminants, thefollowing should be considered:

Testing should be conducted beforeemployees enter the trench and should bedone regularly to ensure that the trenchremains safe.

The frequency of testing should be increasedif equipment is operating in the trench.

Testing frequency should also be increased ifwelding, cutting, or burning is done in thetrench.

Employees required to wear respiratoryprotection must be trained, fit-tested, and enrolled ina respiratory protection program. Some trenchesqualify as confined spaces. When this occurs,compliance with the Confined Space Standard is alsorequired.

G. EMERGENCY RESCUE EQUIPMENT.Emergency rescue equipment is required when ahazardous atmosphere exists or can reasonably beexpected to exist. Requirements are as follows:

Respirators must be of the type suitable forthe exposure. Employees must be trained intheir use and a respirator program must beinstituted.

Attended (at all times) lifelines must beprovided when employees enter bell-bottompier holes, deep confined spaces, or othersimilar hazards.

Employees who enter confined spaces mustbe trained.

H. STANDING WATER AND WATERACCUMULATION. Methods forcontrolling standing water and wateraccumulation must be provided and shouldconsist of the following if employees arepermitted to work in the excavation:

Use of special support or shield systemsapproved by a registered professionalengineer.

Water removal equipment, i.e. well pointing,used and monitored by a competent person.

Safety harnesses and lifelines

Surface water diverted away from the trench.

Employees removed from the trench duringrainstorms.

Remember - Safety is not a job; it is a way of life.

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National Seminar on Innovations in Safety, Health and Environment62

Trenches carefully inspected by a competentperson after each rain and before employeesare permitted to re-enter the trench.

Prevention : by proper Inspection

Inspections shall be made by a competentperson and should be documented. The followingguide specifies the frequency and conditions requiringinspections:

Daily and before the start of each shift;

As dictated by the work being done in thetrench;

After every rainstorm;

After other events that could increase hazards,e.g. snowstorm, windstorm, thaw, earthquake,etc.;

When fissures, tension cracks, sloughing,undercutting, water seepage, bulging at thebottom, or other similar conditions occur;

When there is a change in the size, location,or placement of the spoil pile; and

When there is any indication of change ormovement in adjacent structures.

Water removal equipment, i.e. well pointing,used and monitored by a competent person.

Safety harnesses and lifelines

Surface water diverted away from the trench.

Employees removed from the trench duringrainstorms.

Trenches carefully inspected by a competentperson after each rain and before employeesare permitted to re-enter the trench.

Prevention : by proper Inspection

Inspections shall be made by a competentperson and should be documented. The followingguide specifies the frequency and conditions requiringinspections:

Daily and before the start of each shift;

As dictated by the work being done in thetrench;

After every rainstorm;

After other events that could increase hazards,e.g. snowstorm, windstorm, thaw, earthquake,etc.;

When fissures, tension cracks, sloughing,undercutting, water seepage, bulging at thebottom, or other similar conditions occur;

When there is a change in the size, location,or placement of the spoil pile; and

When there is any indication of change ormovement in adjacent structures.

A.K. Kulkarni

AGM - SafetyAfcons Infrastructure Limited• Post Diploma in Production Engineering, VJTI, Mumbai• Diploma in Industrial Safety

Presented about 50 papers at National and International level.Written two books on Safety – 1) Safety in Arc Welding Process and 2) Variousaspects of Safety.Presented paper at International Conference organized by Japan InternationalCentre for Occupational Safety and Health and won first Prize.Biography appeared in Marquis Who’s Who of USA and directory ofInternational biography from Cambridge.

About Author

Safety - A small investment for a rich future.

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63National Seminar on Innovations in Safety, Health and Environment

Safety SamplingG.S. Waikar

Asst Manager, Health, Safety & Environment Department,AWCIL, Ambarnath

Safety Sampling is also known as behavioursampling. It is a statistical technique, which usesexpertise within the Management to inspect, identifyand evaluate hazards.

The method relies on personnel, usuallymanagement or safety staff members, who arefamiliar with operations & well trained in recordingunsafe practices. While making record of the plantthe observer records the types of the defects. Hefollows the certain route and performs number oftours in which instantaneous impressions are recordedat random on actual work. No attempt is made tocorrect the worker for his unsafe acts or unsafeconditions.

Ideal Status To Follow

Usually the HSE person and the Safetycommittee member do Safety Sampling twice amonth. Observer members are changed after twomonths in rotation.

1) Workmen are explained the purpose ofSafety Sampling.

2) Observer records two types of impressions.

a. Workers performing safely.

b. Workers performing unsafely.

3) Defects found are informed tosupervisors or departmental head andreported to Safety Committee.

4) They are published on General NoticeBoard and opportunity is given to improvethe defaulters.

5) Results are added to Summary Sheets andplotted on Graph, later on displayed onboard. These are compared with the pastresults for continuous improvement.

Model Defect List Used:

Following list is used to serve the guideline tojudge the nature of unsafe act committed by thedefaulters.

• Using a machine, tool or performing jobwithout legal or official authority.

• Operating motorized machine at unsafespeed.

• Operating machine without guard.

• Operating machine without oiling &greasing.

• Operating valve in wrong direction.

• Bypassing safety devices like hightemperature, alarm, flame failure alarm,level indicators, interlocks without writtenpermission from Departmental heads.

• Using defective tools & machine.

• Using hands & body for object instead oftools.

• Using defective ladder.

• Placing ladder in wrong position.

• Using wrong posture of body.

• Repairing / adjusting / oiling equipment inmotion under pressure or when electricallycharged.

• Improper lifting of load.

• Lifting excessive load than capacity.

• Overloading the equipment than its ratedcapacity.

• Failure to use or maintain PPEs.

• Creating unhealthy condition.

• Working in unauthorized area.

• Standing or working under suspended loads,scaffolds or hoists.

• Unauthorized persons riding on FLT, JCB.

• Overtaking in congested passages.

• Violation of safety procedure by workingwithout Safety permit or incomplete permit.

Safety doesn’t happen by accident.

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National Seminar on Innovations in Safety, Health and Environment64

• Material Handling – using defective hooks,wheelbarrows, trolley etc.

• Making emergency safety aids inoperativelike Eye Wash Fountain, Safety Shower, FirstAid Box, and Emergency Sirens etc.

• No labeling on containers.

• Using filled containers without lids.

• Storing material in gangways.

• Improper stacking of material.

Safety sampling is carried out regularly forcompany as well as temporary and contractemployees. Also this helps us in achieving

Identifying the hazards.

Reducing the unsafe practices

Improving HSE awareness

Prevention in accidents

Improvement in working condition

A practice of building good HSE teams.

G.S. Waikar

Assistant Manager (HSE), Albright & Wilson Chemicals India Ltd.• B.Tech(Chemical Engineering), UDCT, Matunga.• Advanced Diploma in Industrial Safety, MSBTE, Mumbai

Worked in Production, Design, Development Department in variousChemical IndustriesAchieved Meritorious award from National Safety council,Maharashtra Chapter in 2003 for recognition of achievement of zeroaccident period of consecutive 3 years.

About Author

Safety doesn’t slow the job down but mishaps do.

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65National Seminar on Innovations in Safety, Health and Environment

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H$m`ÚmÀ`m d {Z`_m§À`m Mm¡H$Q>rV amhÿZ H$m_ Ho$co VaAnKmV ZŠH$sM Q>miVm oVrc _mÌ Ë`mgmR>r n«Ë oH$ ì`ŠVrÀ`mAmoZa{enMr OmoS> AgUo Amdí`H$ Amho. AnKmV KS>ë`mdaH$mcm§VamZo AmnU `m KQ>Zm {dgaVmo _mÌ Xw…Ir _Zm§Mr ñn§XZoQ>rHy$Z amhVmV Vo Q>miÊ`mgmR>r “Prevention is always betterthan cure”.

Safety: expect the unexpected

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National Seminar on Innovations in Safety, Health and Environment66

Rajendra Paynaik

Safety Officer, Mukand Ltd.

• M.Sc. (Oraganic Chemistry), Mumbai University• Advanced Diploma in Industrial Safety, MSBTE, Mumbai• M.Sc. (Fire Safety), YCMOU, Mumbai

Organised and Conducted S.H.E. related Awareness and Training Programmes,Fire Fighting Education and Awareness programmes.Accident analysis and investigation of accidents.Consultant for Environmental monitoring and other aspects.

About Author

Safety gear - 2 minutes ... Risk assessment - 5 minutes ... A mishap that takes a life - forever.

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67National Seminar on Innovations in Safety, Health and Environment

Tool box talks are designed to promote safetyawareness among all employees.

Supervisors are advised to conduct on-the-jobsafety “toolbox talks” with each employee she/hesupervises. The talk can be a one-on-one discussionwith an employee or it can be a group discussionincluding the entire department.

Topics addressed in the “toolbox talks” shouldinclude the safe operation of equipment and how it isand has been operating, reminders about the safeoperation of equipment, tools and handling procedures,personal protective equipment, and safety procedures.The employee shall be given an opportunity torecommend to his/her supervisor solutions to potentialproblems that she/he has encountered while working.

To minimize social and economic costs of workrelated injuries informative change on safety isrequired at workplaces. Instructions on safe use ofequipment helps to reduce the risk of injury. Learninghow to use and handle tools correctly protects theworker as well as the equipment. The following threesteps can diminish work related injuries.

1. Spot the hazard

2. Assess the Risk

3. Make the changes.

How effective are your “Safety Tool BoxTalks”?

A successful Tool Box Talk is a specific part ofyour company’s Safety, Health & EnvironmentProgram, developed to reduce accidents and injuries.

What is a safety hazard?

A safety hazard is anything that could cause aninjury. Injury caused by a safety hazard. Safetyhazards cause harm when workplace controls arenot adequate. Some examples of safety hazardsinclude:

_Slipping/tripping hazards (such as electricalcords across floors)

_ Fire and explosion hazards

Tool Box TalkMahesh Hivarekar

Siemens India Ltd.

_ Moving parts of machinery, tools andequipment (such as pinch and nip points)

_ Work at height (such as work done onscaffolds or ladders)

_ Ejection of material (such as from mouldingoperations)

_ Pressure systems (such as steam boilers andpipes)

_ Vehicles (such as forklifts and trucks)

_ Lifting and other manual handling operations

_ Injuries due to flying particles.

Communication is one of the best ways toprevent accidents. One of the best ways ofcommunicating the importance of safety on aconstruction job is through toolbox talks. You don’thave to be a professional speaker to give a goodtoolbox talk. But there are ways you can make yourtalks more effective! Let’s take a look at them.

The Agenda

• Know your topic and plan your agenda afew days before the meeting so you’re wellprepared. (Be able to present the talk withoutreading it and lead a discussion afterward.)Wherever possible use actual equipment toillustrate your points. Coordinate handoutliterature or other material you intend to useat the meeting.

• Limit the length of your presentation. Givenyour operation, you would be the best judgeof how much time to set aside. Generallyspeaking. a half-hour is adequate. Allow forquestions and answer afterward-about 15minutes.

• Use visual examples.

• Do a wrap-up. Reinforce the importantpoints brought out during the meeting. Thankyour staff for their interest and enthusiasm.

Safety glasses: Making foresight 20/20.

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National Seminar on Innovations in Safety, Health and Environment68

Start the meeting on a positive note. Afterwelcoming your staff, promote teamwork and howtoolbox meetings not only provide valuable informationbut also give everyone the opportunity to get togetherand exchange ideas. Be sure to compliment a jobwell done. Moral plays a bigger part than people thinkin affecting productivity and job satisfaction.

Keep it informal. Even though you may be usingthis resource as well as others, use your own wordsin making actual presentation. For effective andrewarding results, do what’s comfortable for you.Invite people to participate. The purpose of any toolboxtalk is to get people to think about safety problems.Make the talk a hands-on session. Have your peoplename hazards and what to do about them. Encouragethem to offer suggestions to improve safety. Whenasking questions. Use open-ended questions insteadof questions that require only a yes or no answer.

The topic

Choose timely topics. Gear your talks to safetyproblems you are encountering at the moment or thatyou anticipate in upcoming jobs.

Review recent injuries-What happened?

Why did it happen?

What should have been done?

How To Give A Tool Box Talk

Review recent safety violations ?

Review upcoming work schedule.

What procedure should be followed?

Tips for Holding an Effective Safety Talk!

Say hello

Meet and greet your workers as they file in tothe room where the safety meeting is being held. Notonly is this a morale-booster, but it is a reminder ofwho is attending. You can hand out the read-alongcopies of the safety talk as you say hello.

An MSDS a day

Go over one Material Safety Data Sheet at eachsafety meeting until you have covered all thechemicals your workers are using. After a break, startgoing through them again, because you will likely havesome new workers.

One idea

Ask each worker to come up with at least oneidea to improve safety in your work area. Have thempresent their ideas at the next few safety meetings.

Find the answer

Encourage solutions. If your workers come toyou with safety problems, ask them to think of solutionstoo. They might come up with unexpected answers,such as setting up equipment differently andeliminating the need for the missing guardrail.

New hazards

New safety hazards can develop even if youare working in the same familiar location. Take a walkwith your workers at the start of your next safetymeeting to see what you can find. Defective conditionof equipment or premises, lapsed work habits andchanges in equipment, procedures or arrangement ofthe work area can all create new hazards.

Company procedures

Review the written safety procedures for yourcrew at your safety meetings. Take a section at atime and work through the procedures over severalweeks of safety meetings.

Emergency plan

Dust off the company’s emergency plan andreview it section by section at several safety meetings.

Stay loose

Remain flexible about topics for your safetymeetings. You might want to reinforce fire preventionafter a company fire drill, or severe weather safetywhen a bad storm is forecast.

Everybody speaks

Give all participants a chance to speak at yoursafety meetings. Don’t let the same people dominatemeeting after meeting.

Top safety concern

What is your number-one safety worry today?Open your safety meeting with a review of the mostserious safety issue facing your crew.

Tailgate talk

A weekly session is just part of the safetymeeting schedule. The short meeting at the start of ashift – called a tailgate talk or toolbox talk – is

Safety has no quitting time

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important for zeroing in on the specific hazards ofthe job for that day.

Personalize safety

And this affects me how? Encourage yourworkers to ask this question when you are discussinghazards and safe procedures. They need to think abouthow they can be injured if something goes wrong,and how they should personally take steps to staysafe.

Open book policy

The operator’s manual should be easily availableto any worker who runs equipment. At a safetymeeting remind your workers what the manual lookslike, where it is kept and what it contains. You canalso review the manual, a chapter at a time, at safetymeetings coming up. Even office equipment such ascopiers and computers came with safety instructions.

Where are we?

Could your workers direct an emergency

responder to their work area in case of a fire, injuryor other crisis? Ask everyone to write down theaddress of the work area and directions to it. In manyplants, various entrances might be on different streets.

Safety snapshots

A digital camera with its instant images is ahandy tool for a safety meeting. When you want todemonstrate the right way to do something – orperhaps the wrong way – simply snap a series ofphotos and prepare them for viewing on the screen,projecting on to a wall or printing them.A camera is especially useful for illustrating the stepsof a complex procedure such as equipment lockout.

Save sign-up sheets

Keep track of your meeting safety attendancesheets. Talk to your company’s safety director if youare not sure where they should go so they will beaccessible in case of an inspection or an incidentinvestigation.

About Author

Mahesh Hivarekar

Safety Officer, Siemens Ltd.• B.E. (Electrical Engineering)• Advanced Diploma in Industrial Safety, MSBTE, Mumbai• Worked with V.P.M.’s Polytechnic, Thane, as Lecturer for 3 Years.

Safety is a zero-injury goal.

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