Unofficial Notice of Invitation to Bid (NIB)

West Sacramento City is seeking bids from qualified and interested contractors for the following project titled, Structural Assessment and Crane System Design, identified under Solicitation ID: 26-003-RFP. Work is to be performed near 1110 W Capitol Ave, West Sacramento, CA 95691, USA in Yolo County.

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General Project Description

The City of West Sacramento is seeking proposals from qualified firms to provide structural assessment, feasibility analysis, and design services for the installation of an approximately 6,000 - 12,000-pound capacity rooftop crane at City Hall. The crane is intended to support ongoing building maintenance, equipment replacement, and general operational activities. The scope includes existing conditions verification, structural capacity assessment, crane system definition, crane pad and anchorage design, rooftop landing pad design, and identification of necessary structural upgrades, culminating in the preparation of construction documents and cost opinions.

General Bid Items

Quantity: - Unit: - Work Item: Existing Conditions Verification and Structural Capacity Assessment; Specifications: Review of as-built drawings, prior studies, site visits, field verification of existing roof and structural conditions, structural analysis for dead, live, wind, seismic, and operational loads.
Quantity: - Unit: - Work Item: Crane System Definition; Specifications: Define crane capacity (approx. 12,000 lbs), type, configuration, operational parameters, identification of crane location, load paths, clearances, access constraints, operational impacts, coordination with crane manufacturer requirements.
Quantity: - Unit: - Work Item: Crane Pad and Anchorage Design; Specifications: Design of reinforced concrete support pad/foundation (size, thickness, reinforcement, anchorage, load distribution), ensuring compatibility with existing roof, waterproofing, drainage, and long-term durability. Materials for design include concrete (4,000 psi), reinforcing steel (ASTM A615, Grade 60), structural steel (ASTM A992, ASTM A36). Anchorage to be cast-in-place or post-installed adhesive anchors (ICC-ES approved for seismic).
Quantity: - Unit: - Work Item: Rooftop Landing Pad Design; Specifications: Design of designated reinforced landing pad capable of supporting concentrated equipment, impact forces, and staging loads, evaluation of loads, staging, safety clearances, compatibility with roof structure and access routes.
Quantity: - Unit: - Work Item: Structural Upgrade Identification and Design; Specifications: Identify and design any required structural reinforcements or modifications necessary for safe crane operations, clearly defining limits and extent for construction bidding.
Quantity: - Unit: - Work Item: Construction Documents and Deliverables; Specifications: Prepare stamped structural calculations, plans, specifications, and details suitable for permitting and construction; technical memorandum summarizing findings; opinion of probable construction cost; bid support; construction support. All services to comply with California Building Code (CBC), ASCE 7, ACI 318, AISC Steel Construction Manual, Cal/OSHA, and City of West Sacramento regulations.

NAICS Classification

NAICS 541330 – Engineering Services, NAICS 541611 – Administrative Management and General Management Consulting Services

Records and Due Date

This bid opportunity was entered into BidAmerica on February 27, 2026, and was last updated on February 27, 2026. All bids and/or proposals are due on March 17, 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 West Sacramento City. 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 West Sacramento City prior to bidding.