Renovation of a water / sewer project in Saint Louis, Missouri. Completed plans call for the renovation of a water / sewer project.

The work to be done under these Contract Documents generally consists of the removal of approximately 902,000 cubic feet of PVC trickling filter media and surface grating from two trickling filters, each 134-ft diameter by 32-ft media depth, and replacement with new media and grating: removal of trickling filter wall liner system and replacement with new liner system; the geomembrane liner portion of the liner system is District-supplied; removal of one trickling filter center mast, and replacement with new center mast; the new center mast is District-supplied; repairs to FRP ductwork and replacement of supports; the new ductwork supports are District-supplied; replacement of rotary distributor drive controls, including new VFDs and panel and associated instrumentation, electrical and wiring requirements for six trickling filters; replacement of drive unit parts for two trickling filters; and concrete trickling filter repairs and recoating. The Engineer Opinion of Probable Construction Cost is $18,080,000. All questions about the meaning or intent of the Bidding Documents are to be submitted to Engineer in writing by email only. Interpretations or clarifications considered necessary by Engineer in response to such questions will be issued by Addenda delivered to all parties recorded as having received the Bidding Documents. Questions received less than seven days prior to the date for opening of Bids may not be answered. Only questions answered by Addenda will be binding. Oral and other interpretations or clarifications will be without legal effect. Address questions to: Jacobs 1001 Highlands Plaza Drive W Suite 400 St. Louis, MO 63110 Attn.: Sue Fahnestock Telephone: 314.335.4021 Fax: 314.335.5141 Email: sue.fahnestock@jacobs.com. A Bid must be accompanied by Bid security made payable to Owner in an amount of five (5) percent of Bidder's maximum Bid price and in the form of a certified check, bank money order, or Bid Bond on the form included in the Bidding Documents.