The City of Renton Surface Water Utility is seeking bid submittals from contractors interested in furnishing and installing a stormwater infiltration and treatment facility at 301 Monroe Ave NE. The site has already been excavated by others to the approximate elevations required for the fill material under the infiltration and treatment facility to be installed. The work is divided into four sections: Site Preparation, Stage 1 Work, Stage 2 Work, and Restoration. Site Preparation consists of installation of TESC measures, construction entrance and access road. Stage 1 Work consists of installation of geotextile, backfill of infiltration and non-infiltration material, and gravity blockwall. Stage 2 Work consists of installation of infiltration chambers, backfill above chambers, treatment vault, and storm drainage system. Restoration consists of installing the curbs, paving, signage,fencing, gates, and landscaping. The work involved under the terms of the contract documents shall be full and complete project construction, as shown on the plans and as described in the project specifications to include but not be limited to: . Construction surveying, staking, and production of as-built plans, . Traffic control, . Installing and maintaining adequate Temporary Erosion and Sediment Control measures, . Installing approximately 38,400 CY of non-infiltration material, . Installing approximately 27,100 SY of geotextile fabric, . Installing approximately 1,400 Tons of crushed surfacing top course, . Installing approximately 35,600 Tons of select borrow, . Installing approximately 84,100 Tons of infiltration gravel, . Installing approximately 10,000 SF of gravity block wall, . Installing approximately 400 Tons of hot mix asphalt, . Installing additional backfill to grade site to designed elevations, . Trench excavation, including dewatering, shoring, removal of any existing unsuitable material, and disposal of excavated material, . Installing new storm system of approximately 640 linear feet of 24-inch and 36-inch diameter storm sewer pipe, including 19 catch basins, . Installing stormwater infiltration facility, . Installing stormwater flow splitter vault, infiltration chamber manifold vault, hydrodynamic separator vault, treatment vault, and . Trench backfill with suitable material and compaction to required standards, . Installing concrete curbs and gutters, rolled curbs, concrete sidewalks and driveway entrances, . Installing chain link fence and gates, . Performing landscape and property restoration. Women and Minority Business Enterprises (WMBE) are encouraged to bid. A certified check or satisfactory bid bond made payable without reservation to the Director Finance of the City of Renton in an amount not less than 5% of the total amount of the bid shall accompany each bid proposal. Checks will be returned to unsuccessful bidders immediately following the decision as to award of contract. The bid price for any item must include the performance of all work necessary for completion of that item as described in the specifications. Payment of retainage shall be done in accordance with Section 1-09.9(1) "Retainage". The City's Fair Practices, Non-Discrimination, and Americans with Disability Act Policies shall apply. The estimated project cost is $16,000,000 to $19,000,000. A total of 283 working days is allowed for completion of the project. Questions received less than 4 business days prior to the date of sealed bid submittal may not be answered. The City will not be responsible for other explanations or interpretations of the bid documents. Question Deadline 09/29/2023 The right is reserved to reject any and/or all bids and to waive informalities if it is deemed. Bid documents will be available September 11th, 2023 *The value for this project is based on a financial range. The value is listed as the highest possible cost from the range provided by a stakeholder or official project document.