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REAL-TIME ENVIRONMENTAL MONITORING IN CONSTRUCTION: A RISK MANAGEMENT FRIEND OR FOE?

Presented By:

Michael Wiebe, ARM PEmike@wiebeassoc.com

Bruce D. Groves, CIHbgroves@emilcott.com

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• Michael Wiebe, ARM, PE - President, Wiebe Associates, LLC; Sleepy Hollow, NY

• Bruce D. Groves, CIH – President, Emilcott Technologies, LLC; Morristown, NJ

SPEAKERS

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• Introduction

• The Impact of Big Data in EHS in

Construction

• Risk Management Issues

• Technology

• Questions and Answers

AGENDA

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• US Construction projected to be $946 Billion in 2014• Construction is disruptive, dirty, unpopular and potentially

hazardous• Exposures - What was previously anecdotal is now

quantifiable!• How does that change the Risk Management strategies?

CONSTRUCTION

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BIG EHS DATA IN A BOX

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Innovation, Innovation, Innovation

1. Detectors, Sensors and Bundling

2. Field Computers

3. Wireless Communication

4. Database Processing

5. User Interfaces and Visualization

ENVIRONMENTAL MONITORING SYSTEM TECHNOLOGY

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• Noise• Vibration• Dust, Particulates, and

Aerosols • Fumes• Vapors and Gases• Radiation – Ionizing

and Non Ionizing

CONSTRUCTION EXPOSURES AND HAZARDS

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1. Particulates and Aerosols2. Vapors and Gases (TVOC)3. Real-time Chemical Screening with Automated Sampling 4. Reduced Sulfur and Hydrogen Sulfide – Odor Quantification5. Weather and Wind Speed and Direction 6. Noise (AUDIO clip)7. Vibration8. Optical sensors9. Video

BIG DATA OPTIONS AT CONSTRUCTION SITES

2013-2018 – New NY Bridge Construction• $4 Billion 5 Year bridge construction project• Much public pressure – locally very unpopular• Real-time Monitoring promised, mandated and deployed

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To Gain Support - Environmental Monitoring was Promised:

Up to12 stations conducting real-time monitoring: Dust (PM 2.5, 10 and Total), Noise and Vibration Wind Speed and Direction

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Dust, Noise and Vibration Readings 24x7x52x5

43,680 hours x 12 stations 524,160 hours of sampling

results anticipated Data every 15 seconds =

Millions of sampling points

5 YEARS OF BIG DATA

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• $100 MM construction of office building on urban Brownfield site

• 10th Brownfield Construction Project

• 8 Stations -18 months – Dust, Noise and Vibration 24/7

RISK MANAGEMENT CASE

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• How will this be different than the other 9 projects?

• Who will get access to this data?

• Will it change how we perform the construction?

• Will it add cost to the project?

• What are the consequences to generating all this data?

RISK MANAGER ASKS:

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• There is a high probability of exceedances

• Exceedances may not be related to construction

• There will be a need for more resources to handle the real-time flow of data and to be able to respond

• There may be significant consequences from bad results

• There will be much data • It will be a different project than

the other 9..

EHS MANAGER SUMMARIZES:

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1. Optimize Controls and Work Practices to improve conditions

2. Defend Spurious Claims3. Measure projects contribution

to real claims4. Support claims that are not

legitimate5. Create concerns that are not

real

RISK MANAGEMENT IMPACTS: HOW THIS DATA IS USED

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• Landfill reopened after 35 years to support solar farm

• Hundreds of trucks with demolition/construction debris

• Odors begin immediately in late 2012

UNCONVENTIONAL CONSTRUCTION

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RESULTS

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• Thousands of notifications >30 ppb sent to hundreds of people 24/7

• Successful legal challenge to stop landfill activities• Regulators accelerate implementation of permanent remedy• Legislation passed in 60 days and the State has taken over

the site• Projected $60 MM remedy will be paid by the State’s

Insurance

OUTCOMES

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• It’s all about the data

• Technology no longer limits the

information that is available….

• What data do we need and want?

• Need to re-interpret the results!

EHS BIG DATA MONITORING SYSTEMS

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• Pass/Fail – Exceedances are your Foe!

Options

• Trends• Relationships

• Offsite/Onsite• Between Stations

• Correction Factors

INTERPRETING THE DATA - ALERTS AND THRESHOLDS

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PM 2.5 15 MIN TWA – ROLLING AVG

RELATIONSHIPNOTIFICATIONS

PM-2.5 vs Time of Day (Common vertical scale)

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• Industrial Sites• Sensitive Receptors • Refineries, Chemical and

Pharmaceutical Sites• Hospitals – Indoor• Areas of Complaints

BIG DATA IN EHS BEYOND CONSTRUCTION

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1. Big Data is being used today in measuring Environmental (EHS) Performance in Construction

2. This data can be used to better manage and optimize performance and reduce risk if these tools are understood and utilized correctly

3. Construction Operations and Management must embrace this fact and make changes to integrate this data in how they make day to day decisions

4. Ultimately big EHS data can be your best friend in construction but the journey requires using this data to realign priorities and make appropriate sustainable changes

SUMMARY

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QUESTIONS & ANSWERS

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