Unofficial Notice of Invitation to Bid (NIB)

Las Virgenes Municipal Water District is seeking bids from qualified and interested contractors for the following project titled, Equestrian Tank Rehabilitation Project Design, identified under Solicitation ID: 2026-RFP-041. Work is to be performed near 4232 Las Virgenes Rd, Calabasas, CA 91302, USA in Los Angeles County.

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General Project Description

The Las Virgenes Municipal Water District is soliciting proposals from qualified firms for engineering design services for the Equestrian Tank Rehabilitation Project. This project aims to rehabilitate and upgrade a 4.2 MG potable water storage reservoir in Westlake Village. The scope includes reviewing existing inspection reports, conducting a site inspection, preparing plans and specifications for interior/exterior rehabilitation and site improvements, and providing bidding and construction support services. The design will integrate necessary security upgrades such as conduit for security cameras, electronic locks (installation by others), security fence upgrades, and lighting upgrades. The consultant will also develop an opinion of probable construction costs at various design milestones and create a bid schedule with measurement and payment specifications.

General Bid Items

Quantity: 1 Unit: LS Work Item: PHASE 1 - Project Kickoff Meeting (Virtual)
Quantity: 1 Unit: LS Work Item: PHASE 1 - Review of available material (Potable Water Reservoir Inspection Report, Equestrian Tank Observations and Recommendations, Corrosion Control Program Report, Preliminary Evaluation of Tank Sites for Earthquake Hazards).
Quantity: 1 Unit: LS Work Item: PHASE 1 - Site inspection of Equestrian Tank, including any required diving inspections, while keeping the tank online.
Quantity: 1 Unit: LS Work Item: PHASE 1 - Technical Memorandum detailing existing damage, cracking, rehabilitation scope, alternatives, and probable construction costs.
Quantity: 1 Unit: LS Work Item: PHASE 2 - Prepare 60%, 90%, and 100% plans and specifications (front-end and technical) for interior/exterior rehabilitation and site improvements of Equestrian Tank. Plans to be signed and stamped.
Quantity: 1 Unit: LS Work Item: PHASE 2 - Update District-provided front-end documents to include summary of work, bid schedule, and measurement and payment specification for each bid line item.
Quantity: 1 Unit: LS Work Item: PHASE 2 - Conduct project kick-off meetings and subsequent meetings during 60% and 90% design phases (virtual or in-person).
Quantity: 1 Unit: LS Work Item: PHASE 2 - Provide Opinion of Probable Construction Cost (OPCC) at 60%, 90%, and 100% design milestones, in unit cost form for bidding documents.
Quantity: 1 Unit: LS Work Item: PHASE 2 - Provide timeline of construction events and identify long lead items.
Quantity: 1 Unit: LS Work Item: PHASE 2 - Coordinate by-pass plans with District team for early inclusion in design documents.
Quantity: 1 Unit: LS Work Item: PHASE 3 - Bidding services: Attend pre-bid conference, respond to questions, prepare addendum(s).
Quantity: 1 Unit: LS Work Item: PHASE 3 - Construction support: Attend project kick-off (pre-construction) meeting, review and respond to submittals, attend five (5) construction meetings and three (3) site visits, review and respond to RFIs.
Quantity: 1 Unit: LS Work Item: PHASE 3 - Prepare project record drawings based on Contractor's red line markups.
Quantity: 1 Unit: LS Work Item: PHASE 3 - Create a final punch list with District and contractor representatives.
Quantity: 1 Unit: LS Work Item: PHASE 3 - Conduct a final inspection with the District and contractor representatives.

NAICS Classification

NAICS 541330 – Engineering Services (Providing comprehensive engineering design services for water infrastructure rehabilitation and upgrades.), NAICS 541620 – Environmental Consulting Services (Reviewing inspection reports and assessing tank conditions related to water quality and structural integrity, though not primary.), NAICS 541310 - Architectural Services (Potentially, if design aspects extend to aesthetic or functional site improvements requiring architectural input, though primarily engineering.), NAICS 237110 – Water and Sewer Line and Related Structures Construction (Relevant for understanding the end-goal construction project, but the RFP is for design services.)

Records and Due Date

This bid opportunity was entered into BidAmerica on February 20, 2026, and was last updated on February 20, 2026. All bids and/or proposals are due on March 18, 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 Las Virgenes Municipal Water 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 Las Virgenes Municipal Water District prior to bidding.