Philippines: Angat Water Transmission Improvement Project

Sovereign Project | 46362-002

Summary

The Project will secure raw water supply to the 13 million inhabitants of Metropolitan Waterworks and Sewerage System (MWSS) service area, through the rehabilitation of the Angat transmission line. It is estimated that currently each day about 800,000 cubic meter (m3) or 20% of the total potential capacity of raw water is lost due to leakage of the aqueducts. The main components of the Angat transmission line are as old as 50 years, in poor condition, and not in compliance with structural and seismic requirements, risking the partial interruption of Metro Manila's water supply. The proposed financing modality is a Project loan.

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Consulting Notices

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Procurement Notices

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Procurement Documents

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Project Name Angat Water Transmission Improvement Project
Project Number 46362-002
Country Philippines
Project Status Proposed
Project Type / Modality of Assistance Loan
Source of Funding / Amount
Loan: Angat Water Transmission Improvement Project
Ordinary capital resources US$ 115.50 million
Strategic Agendas Environmentally sustainable growth
Inclusive economic growth
Drivers of Change Governance and capacity development
Knowledge solutions
Private sector development
Sector / Subsector Water and other urban infrastructure and services - Urban water supply
Gender Equity and Mainstreaming Some gender elements
Description The Project will secure raw water supply to the 13 million inhabitants of Metropolitan Waterworks and Sewerage System (MWSS) service area, through the rehabilitation of the Angat transmission line. It is estimated that currently each day about 800,000 cubic meter (m3) or 20% of the total potential capacity of raw water is lost due to leakage of the aqueducts. The main components of the Angat transmission line are as old as 50 years, in poor condition, and not in compliance with structural and seismic requirements, risking the partial interruption of Metro Manila's water supply. The proposed financing modality is a Project loan.
Project Rationale and Linkage to Country/Regional Strategy

Provision of water supply and sanitation in Metro Manila (Manila) is the responsibility of MWSS, a government-owned corporation. In 1997, it awarded two concession contracts to private firms for water distribution. MWSS retained responsibility for bulk water supply. The privatization of the distribution services brought about significant improvements in the delivery of water supply services. The serviced population has doubled since 1997, of which more than 90% have 24 hours access. The nonrevenue water level (NRW) of over 60% in 2002 currently ranges from 10 to 40%. MWSS's capacity to fulfill its responsibility of ensuring and securing the availability of raw water to the concessionaries needs to be strengthened by: (i) rehabilitation of the raw water transmission system; and (ii) adopting a comprehensive water safety, risk- and asset management system.

Rehabilitation works. Manila's main water supply source is the Angat reservoir, which provides about 97% of Manila's water supply. Water from the reservoir is conveyed through a system of tunnels and aqueducts to water treatment plants in Manila. The treated water is then distributed to households, businesses, and industries in Manila, and parts of Cavite and Rizal.

The demand on the Angat water source is about 4.48 million cubic meter per day (m3/day), and is slightly decreasing from 2010 to 2015, as a result from the very successful NRW reduction programs of the concessionaires. However, following 2015, the demand will increase rapidly due to expected water supply area expansion and population growth. The demand is expected to increase by 38% in 2025 to 6.16 million m3/day.

Impact Sustained and secured water supply to Metro Manila from the Angat reservoir, through the Umiray-Angat-Ipo's transmission system
Outcome Tunnel operational from Ipo dam to Bigte settling basins
Outputs

Most urgent aqueduct rehabilitation and/or construction works implemented

Water safety, risk and asset management plans are operational

Geographical Location
Safeguard Categories
Environment B
Involuntary Resettlement C
Indigenous Peoples B
Summary of Environmental and Social Aspects
Environmental Aspects
Involuntary Resettlement
Indigenous Peoples
Stakeholder Communication, Participation, and Consultation
During Project Design
During Project Implementation The executing agency is MWSS. Project implementation assistance will be provided through a consultancy contract with a firm. The consultants will be engaged by MWSS in accordance with the Guidelines on the Use of Consultants (2010, as amended from time to time). Equipment and works will be procured in accordance with ADB's Procurement Guidelines (2010, as amended from time to time). The requirement for advance action and retroactive financing for consultants' recruitment will be assessed during loan appraisal.
Responsible ADB Officer Paulus B. van Klaveren
Responsible ADB Department Southeast Asia Department
Responsible ADB Division Urban Development and Water Division, SERD
Executing Agencies
Metropolitan Waterworks and Sewerage System4th Floor, Administration Bldg.,
MWSS Complex, Katipunan Road, Balara
Quezon City 1105, Philippines
Timetable
Concept Clearance 13 Sep 2012
Fact Finding 08 Aug 2013 to 20 Sep 2013
MRM 05 Aug 2014
Approval 25 Sep 2015
Last Review Mission -
Last PDS Update 19 Sep 2012

No documents found.

Safeguard Documents

See also: Safeguards
Title Document Type Document Date
Angat Water Transmission Improvement Project Initial Environmental Examination Jul 2014
Angat Water Transmission Improvement Project Safeguards Due Diligence Reports Jul 2014
Angat Water Transmission Improvement Project Indigenous Peoples Plans/Indigenous Peoples Development Plans Mar 2014

Evaluation Documents

See also: Independent Evaluation

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