Expired Tender Announcement for Concrete Tower, Anchorage System, and Steel Cable Construction Project in Nueva Vizcaya, Philippines

Project Title: Construction of Suspension Bridge at Lower Centro

Delivery Region: Nueva Vizcaya

Project Name: Concrete Tower and Anchorage System Construction Project

Project Location: Lower Centro, Binuangan, Dupax del Norte, Nueva Vizcaya, Philippines

Project Budget: PHP 954,901.82

Funding Source: Municipal Disaster Risk Reduction and Management Fund 2025 (MDRRMF 2025)

Project Content and Scope of Work:

Concrete Tower Construction: Construction of two concrete towers (A and B) to serve as support structures for steel cables.

Anchorage System Construction: Construction of two deadman anchor towers (A/B), i.e., gravity anchorages, for securing the ends of the steel cables.

Steel Cable Installation: Installation of steel cables with diameters of 25mm (top), 20mm (middle), and 25mm (bottom) to form a complete cable structure system.

Item Information:

Steel Cable System:

Top Cable: Diameter 25mm, for upper anchorage.

Middle Cable: Diameter 20mm, for mid-span connection.

Bottom Cable: Diameter 25mm, for lower anchorage.

Anchorage System:

Deadman Anchor Towers (Two, A/B): Gravity-type concrete anchorage structures providing fixed points for cable ends.

Associated Rigging Products (Inferred based on project needs):

Cable Anchors (Anchorage Devices): For connecting and securing cables to concrete towers and deadman anchor towers.

Cable Clamps: For positioning, fixing, and preventing slippage of cables.

Strand Anchors: Force-bearing connection components for cable ends (including anchor plates, wedges, nuts, etc.).

Support Structures:

Concrete Towers (Two, A/B): Reinforced concrete structures serving as upper support points for the cables.

Technical Parameters and Requirements (Inferred):

Concrete Strength Grade: Designed according to anchorage force requirements, typically not lower than C25.

Cable Material: High-strength galvanized steel wire rope, compliant with international standards (e.g., ISO 2408, GB/T 8918).

Anchor Performance Grade: Wedge-type anchors matching the cable diameter, with a static load anchoring efficiency coefficient ≥0.95.

Corrosion Protection Requirements: Cables and metal fittings require galvanizing or epoxy coating for corrosion protection.

Design Loads: Must satisfy local wind load, seismic load, and service load requirements.

Scope of Services (Inferred):

Supply Scope: Provision of steel cables, anchors, cable clamps, and related accessories meeting specifications.

Construction Scope: Civil construction of concrete towers and anchor towers, cable installation, tensioning, and commissioning.

Technical Support: Provision of anchorage system design verification, installation guidance, and tensioning process guidance.

Quality Control: Material inspection, construction process supervision, and post-tensioning acceptance.

Warranty Service: Provision of structural warranty and corrosion protection warranty for a specified period.

Project Background and Purpose (Inferred):

Disaster Reduction and Prevention Purpose: Funded by the Municipal Disaster Risk Reduction and Management Fund, this project may be for disaster mitigation works such as landslide prevention, riverbank reinforcement, or infrastructure protection.

Cable Structure Application: The concrete towers, steel cables, and anchorage system form a retaining structure, protective net system, or cable-supported system.

Budget Composition (Estimated):

Material Costs (steel cables, anchors, concrete, rebar, etc.)

Construction Costs (civil works, installation, tensioning)

Equipment Rental Fees (if applicable)

Transportation Costs

Taxes and Project Management Fees