Integrated Storm Water Management (ISWM) Project in … DOST_Paradela.pdf · Integrated Storm Water...
Transcript of Integrated Storm Water Management (ISWM) Project in … DOST_Paradela.pdf · Integrated Storm Water...
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Integrated Storm Water Management (ISWM) Project in Cebu, Philippines
By: Late Rene Burt Llanto, Edilberto L. Paradela and Juan Edgar C. Osorio 1
1Presented during the Regional Workshop on the Eco-Efficient Water Infrastructure towards Sustainable Urban Development and Green Economy in Asia and the Pacific” on Dec. 12-13, 2013 at the Millennium Hilton Hotel, Bangkok, Thailand. R. B. Llanto is formerly the Regional Director of DOST VII and the Project Manager of the UNESCAP ISWM Project in the Philippines. E. L. Paradela is currently the Officer-in-Charge, Office of the Regional Director. J.E. C. Osorio is the Project Engineer of the ISWM project as well as the head of the Fabrication Unit of DOST VII.
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- Cooperation between Water Security Section of ESCAP and the Department of Science and Technology Region VII (DOST VII) to promote awareness and advocacy on eco-efficient water infrastructure development. The key other partners are KICT and EREDE.CO.,Ltd..
PHASE 1:
“INTEGRATED STORM WATER MANAGEMENT IN THE PHILIPPINES: DOST VII SYSTEM”
Objective of the Project
Strengthen the capacity of government officials in Region VII, Philippines to promote eco-efficiency of water infrastructure
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Key Outputs of Project
• Establishment of a model on integrated storm water management system in DOST VII.
• Development of a replication strategy
• Improved capacity building through trainings and a workshop
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Flowchart of the ISWM System in DOST VII, Cebu Philippines
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Application of Integrated Rainwater, Stormwater & Wastewater Management System at the Green Schools for Climate Change in the Philippines
Korea Institute of Construction Technology
EREDE CO., LTD.
DOSTPHASE 2:
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- Cooperation between Environment and Development Division of ESCAP and the Department of Science and Technology Region VII (DOST VII) to promote awareness and advocacy on eco-efficient water infrastructure development. The key other partners are KICT and EREDE.CO.,Ltd..
The Project:
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•Develop a concept and a set of architectural designs for Green School development;•Pilot application of concept into selected two schools as pilot projects;•Strengthen planning and designing capacity of government officials in Region 7 of the Philippines on Green School;•Educate young generations for concept of Green Growth through implementation process of the project.
Objectives of the project:
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•Development of a conceptual architectural designs on Green School;•Construction of systems in two selected schools in Cebu;•Development of Policy Guidelines for development of Green School;•Enhanced capacity building including education of young generation.
Key Outputs:
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Implementation
The project started in 2011 to December 2013.
Two project sites are selected: the Philippine Science High School – Argao Campus in Argao, Cebu (80 km south of Cebu City), and the Zapatera Elementary School in Cebu City. These were recently tested and commissioned
Development of designs for Philippine adapted green schools are prepared to convince education decision-makers to Introduce green growth in basic education. Archt. Cyril Abu completed the Green School concepts, designs and plans.
Policy guidelines were already prepared for submission. C/o EREDE Co. Ltd.
Several forums and symposia are conducted on ISWM.
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• Philippine Science High School in Argao, Cebu, Philippines
Project Site 1
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Philippine Science High School – Argao Campus, Argao Cebu
Academic BuildingDormitory Building
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Philippine Science High School – Argao Campus, Argao Cebu
Rainwater storage tank (left) and wastewater treatment tank (right).
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Philippine Science High School – Argao Campus, Argao Cebu
Micro filtration System installed at the Machine Room
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Diagram of ISWM at the Philippine Science High School – Argao Campus,
WATERING PLANTS
RING BLOWER
AIR
- WASH WATER
- LAVATORY
75TON R/W STORAGE TANK27TON R/W TREATED TANK
5T 5T
MICRO FILTRATIONSYSTEM, 20Tons/day capacity
SUCTION PUMP
OVERHEAD TANKS
SUCTION PUMP
MEMBRANE AERATION TANK
LEACHING WELLAERATION WELL
MEMBRANE UNIT
TO BUILDING TOILET
RAINWATER ( ROOF )
FIRST FLUSHING TREATMENT DEVICE( GREEN FILTER )
GREY WATER
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Zapatera Elementary School Building currently under renovation to highlight a sample of green school and water museum.
Project Site 2
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• Rainwater Storage tank (below) in Zapatera Elementary School
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• Machine Room in Zapatera Elementary School
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Diagram of ISWM at the Zapatera Elementary School – Cebu City
RAINWATER ( ROOF )
FIRST FLUSHING TREATMENT DEVICE( GREEN FILTER )
50 T R/W STORAGE TANK
10T R/W TREATED TANK
MICRO FILTRATIONSYSTEM, 10T/day
SUCTION PUMP
ROOF TOP
TREATED TANK
SUCTION PUMP
TO BUILDING TOILET
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Major Components of the ISWM Facility
Rainwater Collection. Rainwater from roof and storm water from porous surface of roads.
Primary Rainwater Treatment (Green Filter). First flushing; initially removes contaminants/pollutants.
Micro-membrane Filtration System (MF System).Micro-membranes to reduce microbial and particulate pollutants.
Reuse Water Treatment System. Uses advance biological
treatment processes that eliminate organic and nitrogen compounds.
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Rainwater Collection at Phil. Science High School
Rainwater from the roof of the two (2) dormitories - Total catchment area of 1,200 sq. meter (approx.)
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Rainwater Collection at Zapatera Elem. School
Rainwater from the roof of the school building. - Total catchment area of 500 sq. meter (approx.)
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Primary Filtration System (Green Filter)
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The Micro Filtration System
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Wastewater treatment system
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Advocacy Workshop held in DOST 7, Cebu City Sept. 27, 2013
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Challenges
• Issues that affect the project implementation
- Procurement of the ISWM system components – Bidding process under Phil. Procurement Process is strictly followed.
- Importation led time – machine/equipment
- Working with partners and their counterpart as recipient of the project
- Dealing with local officials ( in the case of Zapatera Elem. School)
• Retrofitting concerns
- Existing buildings have single pipeline for potable water only.
• CO2 Emissions/Carbon Footprints
- Use of electric motors for pumping water
• Prone to disaster
- Earthquakes, strong typhoons, landslides, flooding, etc.
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Follow Up actions
- Local Manufacturing of imported component parts or Local Raw Materials Substitute of imported component parts
- Avoid collaborations with political affiliations - Adherence to Phil. Building Code on 2 pipeline
system (potable and non-potable)- Possibilities of using renewable energy- Designs for disaster resilient buildings
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Other Follow up Actions
> There is a need to develop a training manual on how to establish ISWM systems.
> More comprehensive benefit and cost analysis need to be conducted considering the economic aspect and the environmental effects, including carbon credits.
> Efforts should be exerted to encouraqe decision-makers to include ISWM in the construction of government infrastructure and in the building code.
> Incentives must be provided by government to those who use ISWM or similar technologies.
> Benchmarking with other countries is needed.
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Thank You
DOST VII Contact info:
Edilberto L. Paradela, OIC – Office of the Regional Director: ([email protected])Address: The Lahug S&T Complex, Sudlon, Lahug, Cebu City, Phils,Website: www.ro7.dost.gov.phTel./Fax No.: (63-32) 254-8269 or 418-9032 or +639198585050) 232-8632