Water Reclamation Facility and Lift Station: Odor Control and Filtration Media Replacement

The Las Virgenes Municipal Water District is requesting Bids from qualified Vendors for the construction of the Water Reclamation Facility and Lift Station: Odor Control and Filtration Media Replacement.

The Las Virgenes Municipal Water District-Triunfo Sanitation District Joint Power Authority (JPA) owns and operates the Tapia Water Reclamation Facility (WRF) and Sewer Lift Stations 1 & 2. The Tapia WRF is a tertiary treatment system and produces high quality Title 22 recycled water. These facilities operate carbon towers for odor control twelve tertiary filtration tanks. The activated carbon in the odor control towers must be replaced annually for efficient and consistent odor control. The tertiary filtration media needs to be replaced approximately every 8-10 years. The media replacement plan accounts for two filters per year.

This request for bids is for turnkey replacement of the carbon in the carbon towers at the Tapia WRF and Lift Stations 1 & 2; and for the media changeout of two tertiary filters. The scope of work includes provision of all materials, equipment for the removal and disposal of spent activated carbon, anthracite, and gravel media and replenishment of new media.

Carbon Tower Media Replacement

The work will be performed on headworks odor control tower No. 1, primary towers No. 2 and No. 3 and two lift station odor control vessels. The headworks and primary carbon towers are located at the Tapia Water Reclamation Facility: 731 Malibu Canyon Road, Calabasas, CA 91302. One of the lift station vessels is located at 4815 El Canon Road, Calabasas, CA 91302, the other is located at 24303 Calabasas Road, Calabasas, CA 91302.

• Headworks carbon tower No.1: 18,000 lb. dual bed. Use 4 x 8 coconut shell reactivated carbon.
• Primary carbon tower No. 1: 6,000 lb. dual bed. Use 4 x 8 coconut shell reactivated carbon.
• Primary carbon tower No. 3: 6,000 lb. dual bed. Use 5,000 lb. 4 x 8 virgin high capacity H2S activated carbon and 1,000 lb. 4 x 8 virgin coconut shell granular activated carbon.
• Two lift station vessels: 600 lb. each. Use 4 x 8 virgin high capacity H2S activated carbon.

Tertiary Filter Media Replacement

The work will be performed on filters #1 and #2. At a depth of 4.5 ft. per filter, the approximate volume of anthracite, per filter, is 1,139 ft3. At a depth of 1 ft. per filter, the approximate volume of gravel, per filter, is 253 ft3.

The filters are a designated confined space. Prior to any work conducted in an area defined as a confined space, the CONTRACTOR must submit to the DISTRICT and Project Manager their entry plan which shall satisfy all safety and operational requirements by all regulatory agencies.

To be considered, the Bid must be received electronically, through the Procurement Portal by **3:00 pm on Friday, November 20, 2026**. FAXED, E-MAILED, OR MAILED BIDS WILL NOT BE ACCEPTED UNDER ANY CIRCUMSTANCES. ALL BIDS MUST BE SUBMITTED THROUGH THE PROCUREMENT PORTAL.

Bidders are required to submit the following information with their bid:

• Completed Bid Form-Schedule
• Contact information for three public entities the bidder has contracted with for similar media replacement projects
• Product information/technical data sheets
• Global Harmonized System‐Safety Data Sheet (GHS‐SDS)

The award of the bid, if it is awarded, shall be to the lowest responsible responsive bidder whose bid complies with the requirements of the bid documents. Award shall be made on a comprehensive basis based on total estimated project cost.

Bidder at its' sole cost and expense shall procure and maintain for the duration of the project the following types and minimum limits of insurance: General Liability $1,000,000 per occurrence/$2,000,000 aggregate; Product Liability $1,000,000 per occurrence/$2,000,000 aggregate; Automotive Liability $1,000,000 per accident; Workers Compensation CA Statutory limits; Employers' Liability $1,000,000 per occurrence.

The contract term shall be good for four (4) months from date of contract execution. District has 90 days from the bid due date to accept bid pricing.