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Water Supply, Wastewater and Stormwater

We provide the following services:

• Master Planning
• Environmental Assessment and Mitigation Planning
• Raw Water Source Identification and Development
• Water Treatment Plant Design
• Design of Water Distribution Systems
• Design of Reservoirs, Intake Tanks, and Pumping Stations
• Design of Combined Sewer and Stormwater Overflow Abatement
• Design of Underground Storage and Retention Reservoirs
• Design of Sewers, Ditches, and Relief Sewers
• Design of Pumping Stations
• Design of Sewage Treatment Plants
• Design of Industrial Waste Collection, Treatment and Disposal
• Construction Management Services

Ayala Westgrove Heights

Ayala Westgrove Heights in Silang, Cavite is an upscale residential development of Ayala Land, Inc., intended to serve the housing needs of executives working in the CALABARZON. Featuring some 1,400 prime residential lots with spectacular and scenic views of the Laguna Lake, the development is provided with a lifestyle commercial establishment, an institutional center, a recreational facility and a community center. The village is expected to serve about 16,000 people at its full development which will include the 6,300 student population of the proposed St. Scholastica’s College.

DCCD ENGAGEMENT: Engaged through Makati Development Corporation, design of an appropriate sewage treatment facility including two major sewage lift stations with total capacity of 2,400 cum/day, using a sequencing batch reaction process. This is proven to be reliable and efficient in handling widely varying flow rates and is considered highly adoptable to shock loads. Phase I STP capacity is 600 cum/day.

De La Salle Sewage Treatment Plant

De La Salle Sewage Treatment Plant in Dasmariñas, Cavite was built to serve the requirements of the De La Salle T. F. Rivero Hall Hospital. The plant uses an extended aeration process consisting of a lift station, collecting tank, aeration tank, settling tank, sludge digestion, chlorine contact tank and a sludge drying bed. It has an average capacity of 180 cum/day. Since the operations of the plant started in 1997, it has been consistently producing water, with quality that is better than the parameters set by the government.

DCCD ENGAGEMENT: Detailed environmental engineering design; assistance in preparing budgetary cost estimates and bid evaluation

LGU Urban Water and Sanitation Project

LGU Urban Water and Sanitation Project, a nationwide program funded by the World Bank with equity contributions being provided by the LGUs, is aimed at helping municipal governments provide improved water supply and sanitation services to their constituents. The program is administered through the Development Bank of the Philippines (DBP) and coordinated by the Department of Interior and Local Government (DILG).

DCCD ENGAGEMENT: Complete project preparation and pre-investment activities for 15 out of 38 towns in the second phase of the program. The scope of work includes the undertaking of feasibility studies for new and improved water supply systems, and the preparation of preliminary engineering designs including pre-engineering field surveys and investigations and Design Build Lease (DBL) bid documents for those towns which met the requirements of the program; also, conduct of pre-engineering field surveys and investigations for additional 8 towns in association with Sinclair Knight Merz and Schema Konsult

LWUA-ADB Municipal Water Supply Project

Through the Local Water Utility Administration (LWUA), the Asian Development Bank (ADB) provided loans to water districts for the expansion and rehabilitation of water supply systems of eight cities/municipalities in the Philippines.

The Calamba, Laguna sub-projects expanded the existing Bukal pumping station including the installation of pumps and accessories, and layout of water transmission mains. The Metro Iloilo sub-projects in Iloilo City entailed the rehabilitation of the existing Maasin Dam, construction of the water transmission main from the Maasin Dam to Talanghauan, Sta. Barbara, construction of water distribution lines from Talanghauan to Jaro.

  • Assistance in project management, detailed design, preparation of bidding documents and bidding process;
  • Construction supervision of the sub-projects of the Calamba Water District and the Metro Iloilo Water District to ensure strict conformance with specifications and drawings; 
  • Review of the Contractor’s submittals; and assistance to the Water Districts and Project Management Units in general construction management.

Makati Central Business District (MCBD) Relief Sewer Project

Makati Central Business District (MCBD) Relief Sewer Project called for the installation of sewer relief lines parallel to existing sewer lines in the MCBD that became inadequate due to the increase in building occupancy.

DCCD ENGAGEMENT: In collaboration with Makati Development Corporation, provided the detailed engineering design services and the necessary field investigation works. These included sewage generation study and hydraulic analysis to determine relief sewer sizes and field verification to ensure workability of sewer alignment and profile to avoid utility clashes and major underground structures

MWSI South Manila Area Project

MWSI South Manila Area Project for the Maynilad Water Services Inc. (MWSI) involved the design of water facilities in the South Manila area covering the cities of Parañaque, Las Piñas, Muntinlupa and Cavite, as well as the towns of Zapote, and Bacoor, Imus and Noveleta, Cavite.

  • Engineering design of 110 km. of primary water lines and 525 km. of secondary lines, and of the 70,000 cubic meter Muntinlupa Concrete Ground Reservoir;
  • In association with Montgomery-Watson of the U.S. and Safege of France, detailed engineering design of facilities, water network modeling assistance and training, groundwater development assistance in well rehabilitation and construction, including data base and program management support;
  • Preparation of tender documents and cost estimates for 20 contract packages;
  • Detailed engineering design and bid documents for priority projects of MWSI for the Central Business Area.

Phnom Penh Water Supply Project

Phnom Penh Water Supply Project in Cambodia was funded by the Asian Development Bank. It covers a l5.6-km. transmission line within the City of Phnom Penh. The transmission pipelines, which range in size from 900 mm diameters to 1600 mm diameters, are designed to transport about 11 million liters of treated water from the existing Phum Prek and Chamcar Mom water treatment plants to 4 million city residents. The project involved the design of 41 major interconnections to primary lines. This project will improve the city water supply capabilities of the Phnom Penh Water Supply Authority until the year 2015.

DCCD ENGAGEMENT: Preparation of pre-qualification documents; detailed engineering designs; construction supervision (in association with Safege Consulting Engineers of France)

The San Juan Reservoir

The San Juan Reservoir, currently operated by Manila Water Company (MWC), which is the East Sector Concessionaire of MWSS, is composed of two reservoirs, with capacity of 94.60 ML and 56 ML, respectively. Of the two, the 94.60 ML which is the subject of this contract was commissioned in 1948. It is a two-compartment (with common interior wall) rectangular and partially buried concrete reservoir with a maximum design water elevation of 51.40 (MWSS datum) or average depth of six meters.

DCCD ENGAGEMENT: As commissioned by the MWC, conduct of an investigation to determine the integrity and stability of the reservoir and recommendation for its restoration