National Policies and Programs on green development, resiliency to climate change and natural disasters, and designs of low cost buildings/schools towards sustainable urban development and green economy in the Philippines
By: Engrs. Edilberto L. Paradela and Juan Edgar E. Osorio DEPARTMENT OF SCIENCE AND TECHNOLOGY REGIONAL OFFICE VII Presented during the National Workshop on Sustainable Urban Infrastructure Development in the Philippines on September 10-11, 2014, Dusit Thani Hotel, Makati City, Philippines THE PROJECTS/ PROGRAMS Initiatives of Green Growth Development in the Philippines: Integrated Storm Water Management (ISWM) Project in Cebu, Philippines PHASE I:
“INTEGRATED STORM WATER MANAGEMENT IN THE PHILIPPINES: DOST VII SYSTEM” - 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..
Objective of the Project Strengthen the capacity of government officials in Region VII, Philippines to promote eco-efficiency of water infrastructure
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 Flowchart of the ISWM System in DOST VII, Cebu Philippines Major Components of the Cebu 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.
Integrated Rainwater Administration System. Wireless monitoring devices, controllers for pumps/valves, server.
Rainwater Drainage against Overflow. System to divert or send excess water to outside drainage lines. Reuse Water Treatment System. Uses advance biological treatment processes that eliminate organic and nitrogen compounds.
Chlorinator. Basic chlorine treatment system for treated grey water to further remove contamination.
The Micro Filtration System in the Machine Room of the ISWM System in the DOST 7 Building, Lahug, Cebu, Philippines System components (pumps, tanks, piping, computers, data acquisition and control, remote administration system etc) of the ISWM System Machine Roomr Plants and crops watered through the ISWM system. Issues on Water Quality and Infrastructure Development in Cebu
Over-extraction of Aquifers. Saline wedge movement into mainland where chloride level now exceeds 500 mg/l .
Urbanization and Increasing Demand. Decrease in recharge capacity, rapid increase in demand, wastewater generation.
Non-utilization of Rainfall. City created laws requiring new buildings to construct cisterns, but these are not used.
Untreated Discharge of Sewage. No proper sewage treatment systems in the City and sewage dumped into rivers.
Flooding. When rains come, flooding is experienced in low lying areas of the city and near rivers.
Expected Outcomes
>The IWSM system contributes well to developing resilience to climate change and urban flooding. > It provides clean water. > It prevents flooding. > It treats waste water. > The ISWM system is a good teaching tool for science and green growth. > The system with its low maintenance and versatile in control system serves as a good model for replication in other regions of the Philippines. > Savings on water is significant. > The benefit cost analysis at present is limited to economic considerations because environmental aspects are not yet compelling as implementation of environmental laws are lightly enforced. PHASE 2: DOST
Application of Integrated Rainwater, Stormwater & Wastewater Management System at the Green Schools for Climate Change in the Philippines
Korea Institute of Construction EREDE CO., LTD. Technology The Project: - 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.. Objectives of the project:
•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. Key Components and Outputs:
•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. Implementation: Development of a conceptual architectural designs on Green School
• We envisioned a green school that is adaptable to climate change effects • A design elements that relates to the environment, that is a teaching tool and as well as an effective architectural element • The design must be an environmentally sensitive • A building that teaches concept, incorporating new ideas in building designs • A building that teaches about environmental conservation • A building that teaches sustainability • A school building that teaches respect for the environment and whose students promote and lead in protecting the earth and its resources Building Types on six (6) dimensions
• FLOATING • LOW LAND • HIGH LAND • MOBILE • RURAL • URBAN • Single Storey • Multiple and its resources Implementation: Constructions of Systems in two (2) Selected Schools in Cebu
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. Project Site 1
• Philippine Science High School in Argao, Cebu, Philippines Philippine Science High School – Argao Campus, Argao Cebu
Dormitory Building Academic Building Philippine Science High School – Argao Campus, Argao Cebu
Rainwater storage tank (left) and wastewater treatment tank (right). Philippine Science High School – Argao Campus, Argao Cebu
Micro filtration System installed at the Machine Room Diagram of ISWM at the Philippine Science High School – Argao Campus,
RAINWATER ( ROOF ) OVERHEAD TANKS
5T 5T TO BUILDING TOILET
WATERING PLANTS SUCTION PUMP
FIRST FLUSHING TREATMENT SUCTION PUMP DEVICE RING BLOWER ( GREEN FILTER ) GREY WATER - WASH WATER - LAVATORY MEMBRANE UNIT AIR MICRO FILTRATION SYSTEM, 20Tons/day capacity
AERATION WELL LEACHING WELL 27TON R/W TREATED TANK MEMBRANE AERATION TANK 75TON R/W STORAGE TANK Project Site 2
Zapatera Elementary School Building currently under renovation to highlight a sample of green school and water museum. • Rainwater Storage tank (below) in Zapatera Elementary School • Machine Room in Zapatera Elementary School Diagram of ISWM at the Zapatera Elementary School – Cebu City
RAINWATER ( ROOF )
ROOF TOP TREATED TANK
TO BUILDING TOILET
SUCTION PUMP
FIRST FLUSHING TREATMENT SUCTION PUMP DEVICE ( GREEN FILTER )
MICRO FILTRATION SYSTEM, 10T/day
10T R/W TREATED TANK 50 T R/W STORAGE TANK 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.)
Rainwater Collection at Zapatera Elem. School
Rainwater from the roof of the school building. - Total catchment area of 500 sq. meter (approx.)
Implementation: Development of Policy Guidelines for Development of Green School
Some suggested policy recommendations: 1st, the strategic approach to use political election and important events such as local election to promote the green school as this initiative become successful when firmly and explicitly driven by the higher leader of political leadership and commitment 2nd, the planning of green school needs to be established envisioned a green school in an integrated manner in the overall context of urban and land planning 3rd, the initiatives for green school development require eco- designs and building codes of school buildings 4th, the successful green school initiatives needs eco-labeling and certification systems for green school buildings as basis to demonstrate key features, incentives such as tax reduction and subsidy and increase marketability 5th, the partnerships with business sectors, engineer groups, communities and the public is the key to the success of green school 6th, up-scaling green school in the systematic approaches is an important element for success of green school initiatives in the long term 7th, the innovative financing mechanisms to address financial burdens and difficulties for green school constructions in the initial stage need to be developed and strengthened 8th, green school itself becomes a part of the students learning experiences in the green school building Implementation: Enhanced Capacity Building including education of young generations
Advocacy Workshop held in DOST 7, Cebu City on Sept. 27, 2013 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. 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 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. Thank You As we welcome you to our project PHASE 3: Design and development of resilient eco-efficient schools in the Philippines.