Contractors
Since our re-privatization in 2007, we have been investing in infrastructure projects that will improve and expand water and wastewater services in the West Zone. We are committed to sustaining our investments until the end of our contract with the Philippine government. Below are some of our infrastructure projects.
Project Classification
Maynilad invests in infrastructure projects to improve its service levels and expand its coverage of water and sewerage in the West Zone.
We are committed to sustaining our investments until the end of our contract with the Philippine Government. Below are the types of our infrastructure projects.
Primary Pipe-Laying
- Pipe-laying with diameters above 400mm, including Maintenance Work
Secondary and Tertiary Pipe-laying
- Pipe-laying with diameters below 400mm, including Maintenance Work
Wastewater Facilities, Conveyance, Reservoir, and Pumping Stations
- Wastewater Facilities and Conveyance
- Construction of Reservoir and Pumping Stations
Pipes
- uPVC for Water and Sewer
- Cast Iron/Ductile Iron Short Pipe
- Galvanized Iron Nipple
- Non-Reinforced Concrete Pipe
- Polyethylene Tubing
Fittings
- Cast Iron/Ductile Iron Fittings
- Polypropylene Plastic Fittings
- Malleable Iron Fittings
- Brass Fittings
- Stainless Steel Repair Clamp
- uPVC for Sewer Fittings
Valves and Appurtenances
- Gate Valve
Air Valve - Check Valve
Butterfly Valve - Manual and Electric Actuator
- Gear Box
- Pressure Regulating Valve
- Pressure Regulating Valve Fittings
- Spring Type Fire Hydrant
- Basket Strainer
Water Meters and Flow Meters
- Volumetric Type
- Velocity Type
- Large Water Meters
- Electromagnetic Full Bore
- Type Flow Meter
- Electromagnetic Insertion Type Flow Meter
Valves and Appurtenances
- Liquid Chlorine
- Cationic Polymer
- Aluminum Sulfate
- Potassium Permanganate*
- Polyacrylamide Polymer Non-Ionic
- Granular Activated Carbon Coal-Based
- Aluminum Chlorhydrate
- Liquid Poly Aluminum Chloride
- Liquid Citric Acid
- Liquid Sodium Hypochlorite
- Liquid Sodium Hydroxide
- Granular Calcium Hypochlorite
- Hydrochloric Acid*
- Sodium Bisulfite
- Enzyme Powder
- Antiscalant for RO Membrane
- Ferric Chloride
- Polyelectrolyte
- Sulfuric Acid*
Miscellaneous Metal Works
- Cast Iron/Ductile Manhole Frame and Cover
- District Meter Vault Frame and Cover
- Valve Box with Cover
- Valve Housing (Hydrant)
- Fiberglass Reinforced Plastic Cabinet
For complete information on sizes, specs and prequalification process, you may email us at [email protected] or contact us at 8-981-3494.
How We Procure Infrastructure Projects
By default, the procurement is being done through competitive bidding.
Open Competitive Bidding
All qualified contractors may participate (for large and complex projects)
Alternative procurement methods:
Raffle
For urgent typical secondary/tertiary pipe-laying: only shortlisted contractors may participate.
Direct Competitive Bidding
Only accredited contractors may participate (for pipe-laying and small/medium facilities)
Negotiation
For exceptional circumstances, including the following: (i) there is threat to life and property. (ii) there has been two consecutive failed biddings, (iii) there is a lone bid in the first bidding for a Project that needs to be immediately implemented to comply with certain laws/regulations.
Since our re-privatization in 2007, we have been investing in infrastructure projects that will improve and expand water and wastewater services in the West Zone. We are committed to sustaining our investments until the end of our contract with the Philippine government. Below are some of our infrastructure projects.
Project Classification
Below are the projects we have lined-up for bidding. The list may be filtered according to certain keywords, project classification and bidding mode.
| Project | Classification | Mode | Date |
|---|---|---|---|
| Design and Build of 16MLD Valenzuela NEW WATER Treatment Plant | Wastewater Facilities Conveyance, Reservoir, and Pumping Stations | Open Invitation | July 2024 |
| WS-24-PPL-08 1.5km Pipe-laying of 2200 mm at Brgy. Central Bicutan and North Daang Hari, in Taguig City, Brgy. San Martin de Poress, Don Bosco, and Sun Valley in Parañaque City, and Brgy. Alabang and Poblacion in Muntinlupa City | Primary Pipe-laying | Open Invitation | June 2025 |
| WS-24-PPL-09 2.5km Pipe-laying of 2200 mm at Brgy. Lower Bicutan and Central Bicutan in Taguig City, and Brgy. Buli, Sucat, and Alabang in Muntinlupa City | Primary Pipe-laying | Open Invitation | June 2025 |
| WW-24-CON-06 8km of 200mm to 700mm Conveyance System at Parañaque Package 3 | Primary Pipe-laying | Open Invitation | December 2024 |
| WW-24-CON-07 20km of 200mm to 700mm Conveyance System at Parañaque Package 4 | Primary Pipe-laying | Open Invitation | December 2025 |
Accreditation Process
Maynilad undertakes various infrastructure expenditure projects. Therefore, it is necessary that contractors, who are technically and financially capable, with high management system standards, are accredited by Maynilad to implement these projects.
Each contractor must undergo the complete accreditation process which requires the contractor to accomplish the Contractor Accreditation Questionnaire and undergo a scheduled audit.
Maynilad regularly monitors the accredited contractors’ qualifications, quality of work, and performance to ensure their conformity with Maynilad’s standards. Accredited contractors are required to undergo the yearly process of reaccreditation.
Phase I - Basic Company Information
All contractors applying for accreditation are required to submit the specified requirements, and completely accomplish the Contractor Accreditation Questionnaire.
They must have a working capital of at least Two Million Five Hundred Thousand Pesos (₱2.5M) per year to pass the financial requirement of Maynilad.
Only contractors who pass the initial financial screening shall proceed with the accreditation process.
Phase II - Financial Capacity
Upon endorsement of Maynilad, the contractor must undergo the financial evaluation by a third party service provider, CRIF D&B Philippines, Inc., as part of the accreditation process. The contractor shall settle the payment for processing fees within five (5) days from endorsement and submit complete requirements on or before the given deadline.
Phase III - Technical Capability
The contractor must have technical expertise and experience in handling works similar to Maynilad projects. The contractor must also comply with the minimum requirements for equipment and manpower inspected during the scheduled technical audit.
Phase IV - Management Capability
The contractors must submit the following documents, which are aligned with the CPE criteria, to assess if the contractor will be able to comply with Maynilad standards in executing any awarded project.
- Safety Policy and Procedure
- Quality Manual and Quality Assurance Plan
- Project Controls Policy Manual
- Risk Management Plan
Categorization
The result of the technical and financial evaluation determines the type of projects that the contractor is qualified to bid on.
