Donnellson Maintenance Garage Sewer Repair

Type Request for Bid - Informal - Construction Status Issued Number RFB FY2023 #128 (Donnellson Maintenance Garage Sewer Repair) Issue Date & Time 3/14/2023 08:00:00 AM (CT) Close Date & Time 4/5/2023 01:00:00 PM (CT) Time Left14 hours 40 minutes 27 seconds Notes We highly recommend online submission of responses. This expedites the process and reduces errors for both buyer and supplier. It is the intent of the Iowa DOT to award the contract to the responsible bidder whose submitted quotation is the most advantageous to the Iowa DOT, cost and other factors considered. Other factors include, but are not limited to: meeting or exceeding mandatory requirements, proposed staffing, and meeting required time schedule. Overview: Donnellson sanitary line has extensive buildup of rust, and the line is continuously getting clogged. Per a sanitary scope, the line between the clean out and lamphole cleanout needs replaced, approx. 90 feet. The DOT is seeking a plumbing vendor to remove existing

4" cast iron sanitary sewer pipe from clean out to manhole location shown on plan attached and replace with new 4" schedule 40 piping and clean out. Vendor to furnish and install all material required. Work to include excavation, cutting, fittings, infill, cast iron pipe disposal, etc. for a fully functioning sewer line repair. Iowa DOT will dispose of concrete, asphalt, and subbase debris. Iowa DOT will replace the concrete following project completion. New section of pipe to maintain a minimum 2% slope or higher to sewer tie in location for proper pipe flow. New schedule 40 pipe to match existing pipe diameter. Assume 4” and confirm on site. All work to comply with current and local codes. Existing concrete and asphalt paving to be removed by contractor. Iowa DOT will dispose of asphalt and concrete materials. All work to be reviewed and tested prior to infill. Vendor shall place infill and 12” of granular fill flush with existing concrete. Granular fill shall be: Coarse Aggregate Type A1: Coarse aggregate, Class A crushed stone conforming to Iowa DOT SSHBC - Series 2001, Section 41 2004. Compact placed aggregate materials uniformly to achieve minimum 95 percent of maximum density. Vendor to properly dispose of any removed/demoed cast iron piping and fittings. Any additional linear footage of sewer line replacement work to be done according to unit pricing. Reference attached site plan, photo, and original plumbing plans. Provide linear foot pricing under line 2. Warranty: 1 year labor warranty Estimated start and completion date: Work not to begin prior to: July 1, 2023 Estimated completion date: August 15, 2023 Site Visit: A site visit is recommended. Interested bidders can schedule a site visit with the Purchasing Agent listed on the solicitation via email at Jody. mcnaughton@iowadot.us Point of Contact: Until the contract is awarded the sole point of contact for this project is Jody McNaughton (see bid contact information) any and all questions related to this project are to be submitted to Jody McNaughton through the ION wave Bid system. (See the cut off period for questions) This is project is exempt from state sales tax. Davis-bacon wages do not apply. Concat Info:- Name Jody McNaughton Address 800 Lincoln Way Ames, IA 50010 Phone 1 (515) 239-1298 Fax Email jody.mcnaughton@iowadot.us