Renovation of a water / sewer project in Ruthven, Iowa. Completed plans call for the renovation of a water / sewer project.

SECTION 1 - LAGOON SYSTEM RETROFITTING Includes the retrofitting of the existing primary cell with a conventional aerated lagoon system followed with the installation of a submerged, fixed-film media reactor. The reactor consists of a clean gravel bed that provides surface area for nitrifying bacteria to grow and populate. An ultraviolet (UV) disinfection system on the discharge line will also be installed to inoculate E.coli prior to final discharge into Drainage Ditch No. 60 (DD #60). Work also includes structures, grading, utilities, controls, seeding, maintenance and compliance with a stormwater pollution protection plan, and all other miscellaneous work required to complete the project in accordance with plans and specifications. Also includes the decommissioning of the two secondary cells, which includes the routing of the water in the cells, liner removal and peat removal. Fill material will be needed to fill the two cells. Also includes all other miscellaneous work to complete this section in accordance with plans and specifications. SECTION 2 - LAGOON SLUDGE REMOVAL AND LAND APPLICATOIN Includes transfer of water and sludge to secondary cells prior to primary cell retrofit and then removing sludge from secondary cells after new plant is in operation and land applying sludge. Removal of sludge will need to occur prior to decommissioning of secondary cells. The project is located in the northwest quarter of Section 19, Township 86 North, Range 34 West, between Highway 18 and Drainage Ditch No. 60 of Palo Alto County. One (1) contract will be awarded for each section of work for a total of two (2) contracts. A more detailed description of the kinds and approximate quantities of materials and types of construction for which bids will be received are set forth in the Bid Form included in the specifications prepared by ISG, of Storm Lake, Iowa, which, together with the proposed forms of contract, are now on file for public examination in the office of the City Clerk, and are by this reference made part hereof as though fully set out and incorporated herein. All Bids shall be made on official proposal forms furnished by the Engineer, and must be enclosed in a separate sealed envelope and plainly identified and addressed to the City of Ruthven, Iowa. Each Bid shall be accompanied by a cashier's check or certified check drawn on a state-chartered or federally chartered bank, or a certified share draft drawn on a state-chartered or federally chartered credit union, or a bidder's bond with corporate surety satisfactory to the City in an amount equal to Five percent (5%) of the total amount of the proposal. If bid bond is submitted, it must be in the form provided in these specifications. Said check or share draft may be cashed, or the bid bond forfeited as liquidated damages in the event the successful bidder fails or refuses to enter into a contract within fifteen (15) days of issuance of a Notice of Award and post bond satisfactory to the City insuring the faithful fulfillment of the contract and maintenance of said improvements as required by law. The bid bond should be executed by a corporation authorized to contract as a surety in the State of Iowa, and must not contain any conditions either in the body or as an endorsement thereon. The successful bidder will be required to furnish a corporate surety bond in an amount equal to one hundred per cent (100%) of the contract price, said bond to be issued by a responsible surety approved by the City, and shall guarantee the faithful performance of the contract and the terms and conditions therein contained, the payment for materials used in the project and the maintenance of said improvements in good repair for not less than two (2) years from the time of acceptance of said improvements by the City. The City reserves the right to defer acceptance of any proposal for a period not to exceed sixty (60) calendar days from the date of receipt of bids. The City reserves the right to reject any or all bids and to waive informalities. The work on this project shall commence within ten (10) days after receipt by the contractor of a written notice to proceed. All work shall be substantially completed by November 19, 2021, subject to any changes in the contract period as provided for in these specifications. All work shall be completed and ready for final payment by December 21, 2021. Liquidated damages in the amount of $500 per calendar day will be assessed for each day that any of the work shall remain uncompleted after the above referenced completion dates, with due allowance for extensions of the contract period due to conditions beyond control of the Contractor.