Specifications - City of Montpelier, Vermont

Materials:• Construction of concrete drain structures and drain assemblies• Furnish and Install communication conduits and pull rope• Furnish and Install warning tapeAll materials necessary to install the piping system its entirety.Method of Measurement:The quantity of InFGround Hot Water Piping Pipe to be measured for payment will be the number of linear feet oftrench with Hot Water Pipe from the mainline pipes to the next to last service along main laterals for customerservices installed in the complete and accepted work, as measured along the centerline between the pipes. SeeSpecification Section 033615 Hot Water Pipe Distribution System.Basis of Payment:The accepted quantity of InFGround Hot Water Service Main Lateral Pipe will be paid for at the Contract unitprice per linear foot of trench. Payment shall be full compensation for furnishing all labor, tools, equipment, andmaterials; for excavation, sheeting and bracing, dewatering, and backfilling and compaction; for installation ofthe pipe, including, but not limited to, pipe fitFup and placement; welding; installation of bends, tees, isolationvalves, air release valves, and other fittings as shown in the Plans; required testing of welds (dye penetrant,hydrostatic, etc.); pipe cleaning; insulation and sealing of each joint, including but not limited to insulationinstallation, sleeve installation, and joint sealing; expansion board furnish and installation; construction of thealarm wiring system, including but not limited to all testing, solder, wire standoffs, crimping tools, and buttconnectors; installation of conduit pipe and handholes; fiber optic installation; warning tape installation; 24”subbase of dense graded crushed stone; protective HSF25 slabs with castings, standpipes, and adjustmentrings; and all asFbuilt requirements as outlined in Section 01710 – Project Closeout Requirements, the pipebedding and any necessary borrow materials to bring the grade above the pipe to either the ground surface orthe subgrade elevation below any pavement surface to be placed above the pipe at that location; for restorationof physical features; and for all work required for a complete installation of Pipe system shown on the Plans.Grubbing, erosion control, excavation, excavation support, dewatering, backfilling, compaction, hydrostatic ordye penetrant testing and flushing; preparing and furnishing required submittals, reports, and asFbuilt drawings;and for furnishing all labor, materials, tools, equipment, and incidentals necessary to complete the work shallnot be paid for separately, but shall be included in the contract unit price for this item.Equipment:As needed.Bid Item 12 – Valve and Air Release StructuresDescription:In general, this work shall consist of the construction of the access structures for all valves and air releases asshown and detailed on the Plans; and the furnishing and placing of cast iron frames and cast iron covers to meetthe elevations shown on the plans.Method of Measurement:The quantities of new structures to be measured for payment will be the number of units of the respective typesused in the complete and accepted work.Basis of Payment:The accepted quantities of new Air Release Valves and Manholes will be paid at the Contract unit price per unit.Payment will be full compensation for furnishing, transporting, handling, and placing the materials specified,including rigid polystyrene insulation, SCH 80 PVC standpipe, concrete slab, concrete risers, top sections,reinforcing steel, mortar, brick, frames, and covers, and for furnishing all labor, tools equipment and incidentalsnecessary to complete the work. Excavation, 24” subbase of dense graded crushed stones, compaction ofsubbase, placing of the structure, backfill and compaction necessary to complete the manhole installation shallbe included in the contract unit price for this item.Equipment:^ As needed, such as excavator, backhoe, trench boxes, miscellaneous safety equipment, etc.Bid Item 13 – Construct Drain AssemblyDescription:Montpelier District Heat SystemPage 37