House Service Connection 3600 nos approx within Ward No 21 22 23 24 25 30 31 Part I

Amount

Providing Supply, Installation, Fittings, Testing and Commissioning of House Water Supply Connections, with P.E. Pipe & P.E. Compression EF fittings, Excavation, all short of Bituminous / Concrete Road Up to depth of D.I./ M.S/G.I Distribution Pipe line Bottom, Cuttings Fittings, Fixing, MDPE pipe & P.E. pipe fittings up to C.I. Bib/Stop Cock 1 no. to consumer premises , Including Full restoration if any damage of Under Ground Drainage lines, above ground open Chanel Drainage System, Electrical lines, Telephone lines, other water supply lines, Crossing drain line through GI Conduit pipe Including Leakage Testing, supply of MDPE Pipes PE 100, PN 16, upto consumer premises, PE compression Elbow 90 deg. - As per site condition. , P.E. Adopter with SS insert M/F Thread-Compression - 5 nos., G.I. Nipples 6” Long - As per site condition., Gunmetal Ferrule Conforming to IS 2692/1984 (reaffirmed 2005) in case of DI distribution line or 3 nos. Electrofusion tapping ferrule/saddle, MDPE (PE100) of pressure rating PN 16 / SDR 11, (Mechanical type clamp saddle with bypass arrangement) to disconnect the connection in case of authority requires etc. with S.S. cutter 8mm dia, flow regulator, water tight cap-cutting edges and making hole / tapping 8mm dia in case of HDPE distribution line, 1 no., NRV Confirming to IS 778/ Class I - 1no., tested. C.I. Bib/Stop Cock - 1 no., P.E. Meter Box/ Cabinet with Common Lockable Key suitable for Cover Meter - 1 no., PVC Ball Valve & NRV - 1 no. Back filling with Silver sand 300mm thik over Ferrule and balance depth with excavated earth up to Road Level and also remove surplus Earth from Road side, including fixing of meter as per direction of EIC. House Water Supply Connection Through 20mm dia. MDPE Pipes.

Supply, Delivery, unloading and proper staking at site of 15-40mm dia. Multijet type Water Meters, Class B, +/- 2%, IS 779 / ISO 4064, removable mechanism, Admissible Pr. Max. 12 Kg/Cm² 360 0 Orientable, Cybal Coumputable, Magnetic transmission drive, Cooper can Mineral Glass 5mm Thik Envelop, Extra dry Dial, Totalizer, Protection Class IP 68, Strainer Inbuilt, EEC/MID Marked with Brass Nuts & Nipples. (Vendor list to be approved by the concerened Superintending Engineer, MED before execution of work.) 15mm Dia. Water Meter Typical Performance. i)Starting flow :- ≤10 L/Hr. ii)Accuracy from +/- 5% :- 30 L/Hr. iii)Accuracy from +/- 2% :- 120 L/Hr. iv)Max. Flow +/- 2% :- 3000 L/Hr.

SAIR NYAH COMPANY

PUSHKAR GURUNG