Project Description:

Construction of new Tunnel No. 4 (4.00 meters diameter x 6.40 kilometers length) from Ipo to Bigte.


Norzagaray, Bulacan

Project Cost:

US$123.64M (Loan)

US$10.34M (GOP)

US$133.98M (Total)

Funding Source:

ADB (design and built contract)

Status:  (as of 31 December 2016)

  • Detailed Engineering Design (DED) completed.
  • On-going construction works by the contractor, CMC Ravena.
  • Procurement of consultants for the review of DED and construction management is on-going; Issuance of Request For Proposal (RFP) documents for the six (6) shortlisted bidders is still pending due to the absence of approving authority, which is the MWSS Board. To date, the President still has to appoint the new Administrator and the members of the MWSS Board.


The Angat Water Transmission Improvement Project (AWTIP, the “Project”) aims to improve the reliability and security of theraw water through partial rehabilitation of the transmission system from Ipo to La Mesa and the introduction of water safety, risk and asset management plans.

The Project involves the construction of a new 4.00 meters tunnel (Tunnel no. 4) by 6.30 kilometers including intake and outlet works.