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B . Pipe : Pipe will be measured along the centerline of the pipe installed . No deduction will be made for the length of valves and fittings installed in the line . Where the measurement terminates at a valve , bend , tee , or other fitting , the centerline of the valve or fitting shall be the point of termination . All ' required pipe lining , coating , encasement material, restraining devices , and thrust blocks shall be included in the cost of the pipe . C . Fittings : Measurement of cast iron and ductile iron fittings shall be on the basis of weight . The weights used to determine the quantity installed shall be the weights of the appropriate fittings as listed in the supplier's invoice or catalog . When mechanical joint fittings are required , the weight of the gland ' bolts and gaskets shall not be added to the listed weight of the fittings . Where flanged fittings are furnished , the weight of the bolts and gaskets shall not be included . iD . Gate Valves and Tapping Valves : Measurement shall be on the basis of furnishing and installing each type and size of valve (and tapping sleeve , if applicable) required , including the valve box, cover, and other associated items. E . Air Release Valves : Air Release Valves measurement shall be on the basis ' of furnishing and installing ARI -D-025P 2° diameter air release valves in a CDR valve vault . F. HDPE Horizontal Directional Bore : Measurement of HDPE horizontal directional bore shall include all material (including HDPE pipe) , equipment , supplies, fuel , labor, sheeting and bracing , jacking and boring pits (if ' required) , excavation , dewatering , backfilling , compaction , mechanical fittings, restoration , furnishing and installing HDPE pipe . Payments shall be based on linear foot along the centerline of pipe installation . Directional bore lengths specked in the Engineering Plans are estimated quantities . Indian River County shall determine directional bore lengths. Wedge type split stainless steel inserts shall be used for mechanical fittings on 10° and smaller diameter pipe . A fuse welded mechanical joint adapter kit shall be used for ' mechanical fittings on 12" diameter pipe. G . Driveway Bore: Measurement of Driveway Bore shall include equipment , supplies, fuel , labor, sheeting and bracing , excavation , dewatering , backfilling , compaction , mechanical fittings, restoration, furnishing and installing pipe . Measurement of Driveway Bore does not include the ' actual pipe installed. Installed pipe quantities for Driveway Bores are covered in Section 1 . 03 . 13 . Payments shall be based on the lengths specked in the Schedule of Bid Items , Driveway Bore lengths specified in the ' Schedule of Bid Items are estimated quantities . Contractor will be compensated for driveway bores on a proportionate linear foot basis (e . g . an 80 foot long bore estimated at 70 feet in the schedule of bid items will be compensated at the ratio of 8/7 times the unit price . Likewise a 60 foot long bore estimated at 70 feet in the schedule of bid items will be compensated at the ratio of 6/7 times the unit price) . Indian River County shall determine driveway bore lengths. 01025-2 ' C:WIy D=mentslprojectsW2621specificationsV 025 Measurement and Payment.doc