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Trade Package - Airport Substation Transformer Upgrade Project - TP 08 - Earthwork/Trenching

Active

11887.67 - TP 08State & Local

Response Deadline10/14/2026, 10:00:00 PM UTC

Contract Overview

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AI Contract Overview

Webcor is seeking a contractor for Trade Package TP-08, focusing on earthwork and trenching for the Airport Substation Transformer Upgrade Project. The scope of work involves excavation, backfill, subgrade preparation, shoring for below-grade structures, and the installation of precast trenches, conduits, and vaults. This project aims to replace two existing transformers with three new 55-MVA units and update switchgear to enhance power reliability and capacity for the airport campus. The project is located on the West of Bayshore property and requires strict adherence to environmental protections for the San Francisco garter snake Recovery Action Plan. Because the airport operates 24 hours a day, construction must be implemented in phases to ensure zero disruption to airport operations. The estimated cost for this trade package is 600,000 dollars with a 100 percent LBE participation requirement. Applications are due by October 14, 2026, at 3:00 PM.

General Info

Webcor seeks earthwork contractor for airport substation upgrade; $600k budget, due October 14, 2026.

Agency

California → Design-Builder

NAICS

238910 - Site Preparation Contractors

Place of Performance

CA, USA

Set-Aside

NONE

Documents

(0)

No documents available

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Timeline

PhaseSolicitation

PostedSep 24

Solicitation

Response DeadlineOct 14

Submission deadline

Response Deadline

10/14/2026, 10:00:00 PM UTCin 20 days

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Organization & Contact Information

AgencyCalifornia → Design-Builder

Contacts1 person available

OfficeSan Francisco, CA, 94128, USA

Organization / AgencyCalifornia → Design-Builder

Office AddressSan Francisco, CA, 94128, USA

Contacts

Tiffany Gonzalez-RuizProcurement Officer I

contact@example.gov

+1 (555) 000-0000

Full Description

Design-Builder Firm Name: Webcor Project Overview: The Airport Substation Transformer Upgrade Project (Project) will replace the two existing Airport Substation transformers with three new 55-MVA transformers (one will serve as a backup), the existing switchgear equipment, and other supporting electrical systems. This contract will increase capacity and improve power supply reliability and redundancy for power supply scenarios outside of normal perations. The Project is one of the two substations that provides power to the Airport, which is a campus operational twenty-four (24) hours a day throughout the year. The Airport shall remain operational at all times during the project's implementation. The Project is also located on the West of Bayshore (WOB) property owned by the Airport. The WOB property contains major utilities, water pump stations, and a biologically sensitive habitat that supports endangered species. The Airport is implementing a long-term Recovery Action Plan for the San Francisco garter snake. Services will need to be implemented in phases, and all the requirements to ensure no disruption to Airport Operations and avoid and minimize impacts to the WOB San Francisco Garter Snake Recovery Action Plan during construction should be applied. Trade Package No.: TP-08 Trade Package Title: Earthwork/trenching Description of the Trade Package Scope of Work: Excavation, backfill and subgrade preparation including shoring for below grade structures, precast trench and conduit. Scope includes furnishing and installation of below grade precast vaults adjacent to existing structures. Trade Package Bid Due Date and Time: RFQ APPLICATION DEADLINE Wednesday October 14, 2026, at 3:00 PM Main Trades of the Trade Package: Earthwork/trenching Estimated Cost: $600k CMD LBE Participation Requirement: 100% Design-Builder requirements or prequalification criteria: Please see Webcor prequalification requirements in the Design Builder Weblink below. Contact for Trade Package information: Leila Lilazi; Email: llilazi@webcor.com Design-Builder web link to the Trade Package or more information: https://app.buildingconnected.com/projects/6ab167b124d2d8085c359b83/bid-packages/6ab168cca270a735781bc793/overview