Specifications - City of Montpelier, Vermont

CONSTRUCTION of a DISTRICT HEATING SYSTEM, HOT WATER CONVERSION AND CONNECTIONSCITY of MONTPELIER, VERMONTSCOPE OF WORK/MEASUREMENT & PAYMENTWork to be performed under this contract consists of the construction of a thin wall, carbon steel, preFinsulateddistrict heating piping system, ranging from 8” diameter to 1.5” in both system mains and service laterals. This newpiping system will run between the State of Vermont’s heating plant, through City streets and extend to UnionElementary School and City Hall, with service laterals and spurs branching off to serve nonFCity customers. The workincludes restoration of the surface conditions after pipe installation. In addition, this project includes converting theUnion Elementary from a low pressure steam heating system to a hot water heating system. Finally, this projectincludes connecting and converting the Police Department and the City Hall buildings to the district heating systemand modifying their internal heating systems to use the district hot water.All areas of work, and work site descriptions with bid item quantities are outlined on a spreadsheet attachedherewith.Construction will be carried out in accordance with the plans entitled CONSTRUCTION of a DISTRICT HEATINGSYSTEM, HOT WATER CONVERSION AND CONNECTIONS prepared by HallamFICS, DeWolfe Engineering and EverFGreen Energy and the Project Specifications and as directed and/or as described herein. The standard typical designand construction details referenced for this contract are identified as follows and are attached hereto:VAOT (VTrans) Standard Detail CF2b, CF3, CF3a and CF3Fb;VAOT (VTrans) Standard Detail D20;VAOT (VTrans) Standard Detail EF100, EF100A;Work Zones Traffic Control).GeneralManual of Uniform Traffic Control Devices (PedestrianFor unit price items, the Contractor shall be paid for the actual amount of work measured and accepted bythe City.A. For Lump Sum items, the Contractor shall be required to submit a schedule of values breaking out the valuefor each portion of the work required under the item. The schedule of values will need to be reviewed andapproved by the City prior to the start of construction. Lump sum items will be paid for the percentage ofthe item that has been completed as described in the schedule of values.B. At the end of each work day, the Contractor’s representative shall review the quantities measured by theEngineer/City representative to ensure agreement.C. The payment period shall be on a monthly basis. At the end of each month, the Contractor shall be requiredto submit a payment request for the work completed within the payment period. The City will consider biFweekly payment periods on a case by case basis.A 10% contract retainage will be held on the work completed, until the contractor has completed 50% of the totalamount of work on the contract. Once the Contractor has reached 50% completion, the retainage may bereduced to 5%. The City reserves the right to maintain a 10% contract retainage for the duration of theproject as circumstances warrant.Bid Item 1 – In