Water Supply Works Tender Results

Excavation in foundation, trenches etc, in earthwork in all kind of soil such as pick work, jumper work, blasting hard or soft soil, lift up to 1.50 mtr. Stacking the excavated soil not more than 3 mtr. Clear from the edge of the excavation and then returning the stacked soil in 15 cm layers, when required in to plinth side of foundation etc. consolidating each deposited layer by ramming watering and then disposing of all surplus excavated earth as directed with in a lead of 20 mtrs and as per entire satisfaction of Engineer In Charge

Providing, lowering, laying, aligning, fixing in position at and jointing at all level/ depths ISI marked HDPE pipes of PE-100 grade & PN-6 for potable water as per IS 4984 (amended upto date) in trenches complete with all accessories like Bend, Tee, Reducer, Stub end, End cap etc including all material, labour, testing and commissioning as per Technical Specifications and as per direction of Engineer. Note : E/w to be measured and paid separately., 110 mm dia

Providing, lowering, aligning, fixing in position and Jointing in pipe line, combination Air Release Valve Kinetic type with single chamber housed Double orifice and have 3 functions, large Air exhaust, small Air venting and large air intake during vacuum of pipeline of approved makes of following pressure rating and dia and as per following specifications: Governing standard - AWWA C512 ,Body and bonnet of Ductile cast iron of grade GGG40/GGG50 as per DIN 1693 or GR SG-400/12 as per IS 1865,Float & internal trim: AISI 304 stainless Steel, Seat ring & Gasket - EPDM/NBR Drilled as per IS:1538. Electrostatic Epoxy Powder(EP-P) / Fusion Bonded Epoxy (Non-Toxic & suitable for drinking water) coated with minimum thickness of 250 micron applied on body & cover inside and outside Fasteners - CS/ Galvanised steel ,Outlet of big orifice will have a screen to prevent Tamper of float, Big orifice size should be equal or larger than the inlet flange bore, for fully comply with AWWA C512. ), Valve including all material, labour, testing and commissioning as per Technical Specifications and as per direction of Engineer in charge.Note: Rates are exclusive of connecting tee, pipe piece and earth work. Class PN 1.6 50 MM

Chhapar: Laying of DI Pipeline in village Chhapar and all other works contingent thereto`