Water, Sanitation and Hygiene Technology on …Water, Sanitation and Hygiene Technology on Disaster...
Transcript of Water, Sanitation and Hygiene Technology on …Water, Sanitation and Hygiene Technology on Disaster...
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Water, Sanitation and Hygiene
Technology on Disaster Response: Principles and practices
ASEM-EAS ERR Roundtable- Vigyan Bhavan, New Delhi’2014.
Sarbjit Singh Sahota, Emergency Specialist, UNICEF India, [email protected]
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Programme approaches in emergency context
Humanitarian response should be based on ASSESSMENT! Emergency response should adopt a phased approach!
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Response
Response
Response
Phase I Phase 2 Phase 3
Plan for phase 2
Plan for phase 3 Time
Disaster Assessment
Assessment
Assessment
Preparedness
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Programme approaches in emergency context
An integrated WASH approach is essential while planning out a humanitarian programme!
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Water Supply
Hygiene
Sanitation
Shelter and Settlement
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Programme approaches in emergency context
WASH has clear link with outcomes of different sectors
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Humanitarian Needs
WASH
FSN
Health
Shelter
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Photo; Pakistan, post-
earthquake’2005
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Programme approaches in emergency context
• Integration of DRR measures in the design, planning and implementation of response. Build back better approach is very important aspect to be considered in the response so as to ensure resilience to disaster. • Response plan to be based on vulnerability assessment to deliver the life saving needs • Cross cutting themes like children, gender, disabled etc that cut across all sectoral responses. • Adoption of standards and norms specific to the needs and the context; social and cultural • Consideration of technical appropriateness, environment and long term sustainability while designing interventions for response • Involvement of all stakeholders of the response, mainly community participation in all stages of project/programme right from assessment, design and planning, implementation and monitoring and evaluation. • Coordination of response for ensuring optimum use of resources and timely action
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WASH Interventions in emergency context
• Adequate quantity of water • Ensuring quality of water (drinking and domestic use) • Safe defecation facilities/excreta disposal and management • Solid waste management • Waste water and drainage • Vector control and personal protection measures from vector borne diseases • Ensuring hygiene improvement through safe hygienic practices and behavior change communication
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Ladder of options for Water supply
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Emergency water supply/treatment kits
All-in-one treatment system that can Directly source raw water and supply treated water. Capacity range from 1000 litres/hour -4000 litre/hour A range of equipment available in the market and they have been used in emergencies.
All -in -one treatment kits Aquaplus P4000
Aqua sure kit
Examples
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Emergency water supply/treatment kits
Chlorination kit for handpumps
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Water treatment equipment
SW1
Water and Sanitation Emergency Response Unit
(Wat-San ERU)
Specialized Water and Sanitation Module
Source:IFRC 1/27/2015 16
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Salinty removal – Reverse osmosis
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Membrane filters
Source: IFRC 1/27/2015 18
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Membrane Filters
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Membrane Filters
1/27/2015 20 Tech Report on Safe WiE-NDMA
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Mobile Treatment Units
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Oxfam Tank
Emergency water storage kits
Bladder tank
Onion Bladder tank
Capacity available from 10000 to 95000 litres Rapid installation Compact package
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Kits for Response
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Methods for Water Treatment
• Straining
• Disinfection – Boiling
– Solar
– Chemical
• Sedimentation – Three pot
– Chemical
• Filtration
Source: IFRC 1/27/2015 28
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Chlorine products
• Chlorination is the most widely-practised means of treating water at the community level; apart from boiling
• Few mg/l, contact time of about 30 minutes, inactivates more than 99.99% of enteric pathogens - notable exception protazoa
• Quality control on the local market place is a real challenge
1/27/2015 29 Tech Report on Safe WiE-NDMA
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Safe storage and handling
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Ladder of options for Emergency sanitation
Excreta Control and Management: Sanitation Ladder
Clean-up Programme through volunteers
Controlled Open Defecation Fields
Trench Latrines
Pit Latrines
VIP Latrines
Family Latrines
Emergency
phase
Interim phase
Long term/recovery phase
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Controlled open defecation- Initial response to large scale displacement
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Shallow trench latrines
These can be used
in climates that are
Not dry enough for
defecation areas.
Suitable for phase I
response
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Shallow trench latrines
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Deep trench latrines
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Pit Latrines
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Pit Latrines
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Pit Latrines
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Ventilated Improvised Pit (VIP) latrines
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Hygiene promotion in emergencies
The aim of hygiene promotion in emergencies is to: • reduce high-risk hygiene behaviour; and • sensitize the target population to the appropriate use and maintenance of facilities.
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Hygiene promotion is not simply a matter of providing information. It is more a dialogue with communities about hygiene and related health problems, to encourage improved hygiene practices.
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Hygiene promotion in emergencies
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WASH interventions critical for child survivalSource: Meta-analysis by Fewtrell & Colford, 2004; Handwashing data
by Curtis & Cairncross, 2003, Updated sanitation data by Cairncross,
2008
44
42
39
36
23
0 10 20 30 40 50
Handwashing
Hygiene
Water Quality
Sanitation
Water Supply
% reduction in morbidity from diarrhoeal diseases
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Hygiene promotion in emergencies
Communication methods for Hygiene promotion:
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Individual
1. Farm and home
visits.
2. Personal interviews.
3. Letters and phone
calls.
4. IPC
Group
1. Demonstrations.
2. Group discussions.
3. Exhibitions.
4. Field trips.
5. Camps.
6. Lecture method.
Mass
1. Print Media
2. Radio
3. Television
4. Cinema
5. Documentary
6. Use of Computers
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Hygiene promotion resources at http://oneresponse.info/GlobalClusters/Water%20Sanitation%20Hygiene/Pages/HygienePromotion.aspx
All this material is developed by WASH cluster and freely downloadable.
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UNICEF Resources on Emergency WASH http://www.unicef.org/wash/index_emergency.html
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WHO Technical Notes on WASH on the WEDC Website http://wedc.lboro.ac.uk/knowledge/notes_emergencies.html
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WASH in Emergencies related Publications on WEDC Website
http://wedc.lboro.ac.uk/knowledge/bookshop.html
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Engineering in Emergencies http://www.redr.org/redr/support/resources/EinE/EinE.htm
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