Chinquapin Lift Station Improvements

The City of Carlsbad is seeking a qualified contractor to replace and upgrade the Chinquapin Lift Station, including demolition of existing structures, installation of a new emergency standby generator, wet‑well and valve‑vault improvements, new electrical control systems, structural concrete work, a new CMU retaining wall, metal roof deck, and comprehensive site grading, paving, landscaping, and irrigation upgrades. The scope demands coordination of mechanical, electrical, civil, and landscape trades, adherence to 2022 California building, electrical, plumbing, fire, and energy codes, and compliance with extensive safety, seismic, and special‑inspection requirements. • Demolition of existing generator house, concrete slab, and associated utilities (excluding pumps and wet‑well). • Installation of a 20 kW emergency diesel generator, MCC, SCADA cabinet, ATS, polymer‑concrete wet‑well slab, and new CMU retaining wall with steel framing. • Full electrical upgrades (new panels, conduit, fire‑rated doors, low‑voltage wiring) and irrigation system (controller, drip‑line, back‑flow preventer, native plantings). • Required pre‑bid meeting on July 23 2026 (non‑mandatory) and Q&A cutoff July 31 2026; bid submission due August 11 2026.