Encina Wastewater Authority Planet bids #26-16536A

Encina Wastewater Authority Centrifuge PLC and VFD Replacement Project

This opportunity involves the replacement of critical control systems at the Encina Water Pollution Control Facility in Carlsbad, CA. - Government Buyer: - Encina Wastewater Authority (EWA), Carlsbad, California - Project Scope: - Replacement of Variable Frequency Drive (VFD) and Programmable Logic Controller (PLC) panels for Centrifuges 1, 2, and 3 - Demolition and removal of existing motor control and operator panels - Installation of new stainless-steel, air-conditioned VFD and PLC panels with seismic anchorage - Replacement of feeder cables for Centrifuges 1 and 2 (including (3) 500 kcmil and (1) #3 ground cables) - Installation of CAT6 Ethernet cabling from PLC panels to network cabinet in the MCC room - Coordination with existing electrical and communication infrastructure - Functional, acceptance, and commissioning testing for all new systems - Products and Quantities: - 3 VFD panels (one each for Centrifuges 1, 2, and 3) - 3 PLC panels (one each for Centrifuges 1, 2, and 3) - Feeder cable replacement for Centrifuges 1 and 2 - 3 CAT6 Ethernet cables - Unique Requirements: - Only one centrifuge may be out of service at a time; strict downtime and sequencing constraints - Each VFD and PLC panel replacement (including feeder replacement) is limited to 20 workdays per centrifuge - Feeder cable replacement downtime is limited to 1 workday per centrifuge - Startup and testing per centrifuge estimated at 1-2 workdays - Contractor must provide loop drawings and coordinate closely with EWA for shutdowns and access - All work must comply with detailed plans and specifications - OEMs and Vendors: - No specific OEMs for VFD or PLC panels are named in the documents provided - Woodard & Curran is noted as the design engineer - Place of Performance: - Encina Water Pollution Control Facility, 6200 Avenida Encinas, Carlsbad, CA 92011 - Work includes MCC room and main facility areas

Description

The Encina Wastewater Authority is soliciting bids for the Centrifuge PLC and VFD Replacement Project at their Encina Water Pollution Control Facility in Carlsbad, California. The project scope includes removal and replacement of the control systems for Centrifuges 1, 2, and 3, including new stainless-steel, air-conditioned VFD and PLC panels, feeder cable replacements for Centrifuges 1 and 2, installation of CAT6 Ethernet cabling, seismic anchorage, and testing. Bidders must submit sealed paper bids by March 31, 2026, with a mandatory pre-bid meeting on March 17, 2026. The project requires coordination to minimize downtime, with detailed sequencing and operational constraints outlined in the bid documents.

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