Site work and renovation of a mixed-use development in Missoula, Montana. Completed plans call for the renovation of a municipal facility; and for site work for a water / sewer project.

**As of May 01, 2025, this project has not yet been awarded. A timeline for the award has not yet been established.** Question Deadline 03/10/2025 Questions received less than four days prior to the date for opening of Bids may not be answered. The project will include the furnishing of all labor, skill, equipment, and construction materials to construct the proposed improvements to the City of Missoula's Garden City Compost facility improvements in accordance with the plans and specifications. Bids will be for a single prime contract, bid on a combined lump sum and unit price basis. The project will generally consist of the following work: 1. The Base BidWork is generally described as follows: o Excavation and onsite stockpiling of approximately 15,000 yd3 of unsuitable fill material; o Import, backfill and compaction of approx. 22,300 yd3 of 4"-minus structural fill; o 12-bay, aerated static pile (ASP) composting system with reversing pressure operating capabilities - complete with: blowers; VFD's; aeration piping; dampers; in-floor aeration grates; concrete slab, push walls & footings; embedments; condensate collection and conveyance system; o Two biofilters - complete with blowers; VFD's; delivery/diffuser piping; dampers; irrigation system; mud mat, concrete slab, containment walls & footings; o Runoff collection system including three catch basins, submersible lift station and forcemain to the Missoula WRF plant drain; o Sensing & control system - complete with wireless temperature probes O2 sensors, manual dampers, communications, outputs to VFD's, data logging, alarms, etc.; o New biosolids cake storage bin and pre-compost bin with new concrete slabs, embedments and cast-in-place walls/footings; o Conex Control Building - support piers; HVAC; doors; windows; lighting; electrical; o Condensate Collection: piping; sumps; grinder pump station; forcemain; o Concrete rumble grate trough; o Irrigation supply system: drilled groundwater well; casing; screen; drop pipe; pitless; piping; pump; pressure control system; irrigation control system; sprinkler piping and rotary heads; o Ancillary site improvements, utility piping, communications systems and surface restoration 2. The Additive Alternate A Work is generally described as: o Five-bay, aerated curing system utilizing one blower, VFD, diffuser piping and EcoBlocks from the City's existing "Transitional Facility" as well as one new blower, VFD and new diffuser piping; 3. The Additive Alternate B Work is generally described as: o Excavation and onsite stockpiling of approximately 1,820 yd3 of unsuitable fill material; o Import, backfill and compaction of approx. 3,120 yd3 of 4"-minus structural fill; Each bid or proposal must be accompanied by a Bid Bond payable to the City of Missoula, in an amount not less than ten percent (10%) of the total amount of the bid, as per the Instructions to Bidders. Successful BIDDERS shall furnish an approved Performance Bond and a Labor and Materials Payment Bond, each in the amount of one hundred percent (100%) of the contract amount The City of Missoula is an Equal Opportunity Employer. The Contractor is required to be an Equal Opportunity Employer and must comply with the City's Affirmative Action Policy. The City of Missoula reserves the right to reject any or all proposals received, to waive informalities, to postpone the award of the contract for a period of not to exceed sixty (60) days, and to accept the lowest responsive and responsible bid which is in the best interest of the OWNER. Est. Value: $ 6,500,000.00 Est. Value Notes: Engineer's estimate range: $6,200,000 to $7,000,000 Est. Completion Date: Dec. 5, 2025