Water System Filter Treatment - Margerie Treatment Plant - Rebid

The City, as required to meet water quality and funding needs, shall issue work. Contract period shall be two years with options to renew for a one-year period up to three additional years. The work involves rehabilitation of water treatment filters, each measuring 16 feet by 20 feet, containing approximately 60 inches of granular activated carbon. The contractor shall fully remove and properly dispose of existing filter media (granular activated carbon, GAC), clean the filter as specified, and prepare for inspection by the owner. Special care shall be taken not to damage filter under drain nozzles. The contractor shall provide skilled labor experienced in the removal and replacement of GAC filters in drinking water treatment plants. The contactor shall furnish, install and test new filter media for filters as indicated and specified. Media shall consist of five feet of granular activated carbon (GAC) as specified. The filters shall have media removal and replacement done sequentially. One filter can be taken off line at a time. Each filter shall be out of service for a maximum duration of 15 calendar days and there will be a oneweek minimum between each filter. Contractor shall be responsible for coordination of supplies of materials and equipment specified herein. Contractor shall coordinate all shutdowns of filters with the owner. Coordination is required during removal, replacement, startup and testing. The same supplier shall supply all filter media. The media shall be mined and processed in North America. Filter media shall be originally manufactured for the purposes described herein. All depths indicated are in a consolidated state after backwash and testing. The City shall make the final determination on the equivalence of proposed substitutes or equals. The operations of valves and equipment shall be by the owner. BID BONDS: if applicable, shall be in the amount of 5% of the total bid made out in favor of the City of Danbury and issued by a Surety company acceptable to the City of Danbury, and must accompany each bid. A certified check in the same amount may be submitted in lieu of the bid bond. Bids submitted without Certified Check or Bid Bond will not be accepted. The City of Danbury will not be held liable for the accrual of interest on any check held by the City in conjunction with this bid. All checks or bid bonds will be refunded to the unsuccessful bidders after award of the bid. The deposit check or Bid Bond of the successful bidder will be held in escrow until such time as the City determines that the bidder has or will meet their obligations as stated by the bid. If the bidder fails or refuses within a reasonable time after due notice that the contract has been awarded, to execute the same, an amount representing a loss to the City by reason of suchfailure shall be retained and paid into the City treasury. Performance Bond: The Contractor, when awarded the Bid, must submit within 10 days of the bid award, and before beginning the work or signing a contract, a Performance Bond amounting to one hundred percent (100%) of the total amount of the bid. Said performance bond must be in favor of the City of Danbury and executed by a surety company authorized to do business in the State of Connecticut. The City of Danbury reserves the right to retain the Bid Bond or Certified Check on bids below $25,000.00 as a Performance Bond. On bids of $25,000.00 or more the Performance Bond may be furnished in the following manner: Performance Bond, Surety Bond, Certified Check, Bank Check, Savings Account in both the City & Vendor name or Letter of Credit. Maintenance Bond: The contractor, upon signing a contract and before beginning the work, must submit to the Purchasing Agent a Maintenance Bond to guarantee that if defects in either labor or materials become evident within one year after completion and acceptance of work will be fixed at no cost to the City of Danbury. The maintenance bond may be included as a portion of the Performance Bond or as a separate bond. If it is issued as a separate bond said maintenance bond must be in favor of the City of Danbury and issued by a surety company licensed and authorized to do business in the State of Connecticut. Labor and Material Bonds: Pursuant to Section 49-41(a) of the Connecticut General Statutes, as may be amended from time to time, a project for the construction, alteration or repair of any public building or public work, where the contract award amount is in excess of $100,000.00, a labor (payment) and material bond in the full amount of the contract must be furnished to the City with a surety or sureties satisfactory to the City. Said bonds shall be filed with the Purchasing Agent on or before the award date. Any such bond shall have as principal the name of the person awarded the contract. Request for interpretation of any portion of the bid may be made by telephone to the Purchasing Agent at 203-797-4571. All replies will be given verbally and a copy of any such inquiry and advice (if deemed vital to the bid by the Purchasing Agent) will be made available to each prospective bidder in the form of an addendum. Bidder should check the Citys website for addendums/updates 48 hours prior to the bid opening.

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