Unofficial Notice of Invitation to Bid (NIB)

General Bid Items

• Quantity: -  Unit: -  Work Item: Pre-Design Services, including I/E Building Area 1 Equipment and ACC-1 Familiarization, and field verification.
• Quantity: -  Unit: -  Work Item: Review existing electrical, control, and instrumentation drawings, vendor O&M manuals, and understand equipment connections to ACC-1 and the Plant's Ovation System.
• Quantity: -  Unit: -  Work Item: Understand the old ACC-1 RTP I/O System, including functions in various cabinets, I/O racks, CSA control station assemblies, analog meters, and controllers, confirming I/O processing and transmission to the Ovation System.
• Quantity: -  Unit: -  Work Item: Identify and document all field wire terminations in ACC-1 I/O cabinets and relate them to field equipment or other systems.
• Quantity: -  Unit: -  Work Item: Develop detailed Cut-over Plans for project construction, specifically during the 2027 dry season (April-October), ensuring continuous facility operation.
• Quantity: -  Unit: -  Work Item: Propose and plan for the use of a temporary Programmable Logic Controller (PLC) panel to temporarily relocate critical Ovation/RTP I/O points during the cut-over transition, including duration and work sequence.
• Quantity: -  Unit: -  Work Item: Scope and plan the relocation of field wiring in ACC-1 for temporary PLC I/O points to the temporary PLC panel and subsequently back to the permanent PLC panel.
• Quantity: -  Unit: -  Work Item: Plan the sequential transfer of I/O points to the temporary PLC panel, coordinating with PCCS Ovation programmers during construction.
• Quantity: -  Unit: -  Work Item: Prepare design drawings and specifications for the temporary and permanent PLC panels (two separate design packages), including detailed I/O module connections to terminal blocks and other specific information.
• Quantity: -  Unit: -  Work Item: Prepare design drawings and specifications for the demolition of RTP I/O cabinets, installation of the permanent PLC panel, and all associated conduit and other electrical, civil, and architectural work.
• Quantity: -  Unit: -  Work Item: Provide technical support during the bid period, including attending pre-bid meetings and answering technical questions for three separate Request for Bids (temporary PLC panel, permanent PLC panel, and construction).
• Quantity: -  Unit: -  Work Item: Prepare control narratives or PLC ladder diagrams for equipment with existing RTP control logic to facilitate programming of temporary and permanent PLCs and Ovation DCS updates by SacSewer staff.
• Quantity: -  Unit: -  Work Item: Update existing ACC-1 equipment drawings (control, logic, interconnection, instrument loop, P&ID) by removing RTP I/O, Discrete Control Station Assembly, and analog module information, replacing with new PLC and design details (approximately 300 updates, 200 obsolete drawings).
• Quantity: -  Unit: -  Work Item: Provide active hands-on field construction support, guiding and directing wire de-termination and re-termination from RTP I/O cabinets to temporary and permanent PLC panels, and preparing a detailed list of wire terminations and labeling information.
• Quantity: -  Unit: -  Work Item: General Project Management and Setup, including establishing internal project controls, project tracking documents, initial subconsultant coordination, tracking scope, decisions, budget, schedule, and providing project coordination.
• Quantity: -  Unit: -  Work Item: Prepare and submit monthly progress reports and project invoices.
• Quantity: -  Unit: -  Work Item: Participate in project meetings, including the Kick-Off Meeting and bi-weekly progress meetings, providing agendas and meeting minutes.

NAICS Classification

NAICS 541330 – Engineering Services (Providing professional engineering expertise for planning, design, and construction support of industrial control system upgrades in a wastewater treatment facility), NAICS 541618 – Other Management Consulting Services (Project management, coordination, budgeting, and scheduling for the system replacement project, including liaison with district staff), NAICS 238210 – Electrical Contractors and Other Wiring Installation Contractors (Oversight and direction of electrical work related to PLC panel installation, wiring termination and re-termination, and integration of industrial controls), NAICS 334513 – Instruments and Related Products Manufacturing for Measuring, Displaying, and Controlling Industrial Process Variables (Involves the replacement and integration of industrial control system components like PLCs and I/O modules within a wastewater treatment plant), NAICS 221310 – Water, Sewage, and Other Systems (The project is located within a wastewater treatment facility, directly impacting its operational and control systems)

Records and Due Date

This bid opportunity was entered into BidAmerica on November 20, 2025, and was last updated on December 19, 2025. All bids and/or proposals are due on January 28, 2026.

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Legal Disclaimer

All bidders are responsible for reviewing and verifying all official bid documentation directly from the issuing agency. BidAmerica aggregates public bid information for advertisement purposes for contractors and government agencies convenience. This Notice of Invitation to Bid is for reference purposes only and is not an official or complete representation of any documents issued by Sacramento Area Sewer District. BidAmerica does not guarantee the accuracy, completeness, or timeliness of any information displayed and shall not be held liable for any errors, omissions, misinterpretations, or damages resulting from reliance on this summary. Contractors must obtain all official information—including plans, specifications, addenda, deadlines, submission requirements, qualifications, and bidding conditions—directly from Sacramento Area Sewer District prior to bidding.