Trade Package - Airport Substation Transformer Upgrade Project - TP 07 - Structural Demolition

The Airport Substation Transformer Upgrade Project requires a design‑builder to replace two existing transformers with three new 55‑MVA units and upgrade associated switchgear. Trade Package TP‑07 covers the structural demolition of existing concrete support structures, saw‑cutting, and installation of upgrades to below‑grade walls. The work must be phased to avoid any disruption to 24/7 airport operations and to protect the West of Bayshore (WOB) habitat, which includes the endangered San Francisco garter snake. The estimated cost for this demolition package is $150,000, and bidders must meet a 100 % design‑builder pre‑qualification. The bid deadline is 3:00 PM on Wednesday, October 14, 2026. • Scope: Demolition of concrete transformer supports, saw‑cutting, structural upgrades to below‑grade walls. • Location: West of Bayshore property at the airport (San Francisco area). • Constraints: No interruption to airport operations; compliance with endangered‑species recovery plan. • Estimated contract value: $150 K. • Pre‑qualification: 100 % design‑builder requirements (see Webcor pre‑qualification link). • Contact: Leila Lilazi ([email protected]).