PROPOSAL FOR MAINTANENCE OF 600MM DI PIPELINE AIR VALVES AND OTHER ALLIED WORKS UNDER CSD KABEERNAGAR CITY DIV I JODHPUR

RUIDP 2022/19.11 Providing, lowering, laying in trenches, aligning, fixing in position and jointing Ductile Iron (DI) ISI marked K-9 grade Double Chambered Restrained Joint pipes as per IS:8329-2000 and ISO:10804-2018 (amended up to date), with rubber ring (EPDM) joints as per IS: 5382-1985 (excluding special accessories), locking rings and locking bars complete including all material, labour, hydraulic testing and commissioning as per technical specifications and as per direction of Engineer in pipeline bends with designed restraining length of Double Chambered Note : E/w to be measured and paid separately.Restrained Joint pipes in place of thrust blocks.

19.11.10 600mm

4.1Earth work in excavation by mechanical means (Hydraulic Excavator )/ manual means in trenches of required width and gradient for laying and jointing of pipe line including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 Mtr. including taking out the excavated soil, and then returning the soil as required in layers not exceeding 20cm in depth including consolidating each deposited layer by ramming, watering etc. and stacking serviceable material for measurements and disposal of unserviceable material as directed, with in a lead of 50 Mtr. including all safety provisions required .:

4.3.1 Ordinary rock

6.6.2.4 Providing, lowering, aligning, fixing in position and Jointing in pipe line, CI Double Acting Kinetic Air Valve with isolating Sluice Valve of approved makes for following pressure rating & dia complete, confirming to IS: 14845-2000 (amended up to date) and of following specifications: Body , Cover and Cowl - Grey Cast Iron as per IS:210- FG 200 ,Float - Stainless Steel AISI 304 / IS: 3444 , Float Guide- HBT1.HP Orifice- HTB2/ SS,Body seat ring - Leaded tin bronze/ SS .Seal ring and face ring - EPDM/NBR ,Ends flanged according to IS 6418,Fastners - CS, Epoxy paint inside outside of food grade safe for drinking water ,Valves 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.

6.6.2.4 100 mm

1.15 Providing and fixing of flanged/plain ended MS specials made from MS sheet strips of relevant IS specification of approved thickness by welding,lowering,laying,alligning, fixing in position at all level/depths in trenches complete including all taxes,material,labour,inside lining,outside coating, testing and commissioning along with pipe line as per technical specifications and directtion of Engineer-Incharge.

1.15.1 MS pipe specials upto 600mm dia (with minimum 5mm thickness sheet)

4.8Providing and laying in position cement concrete in specified grade over prepared base course complete including finishing, curing, all material, labour, machinery, lighting, guarding for road restoration work in trenches of pipe line and chamber work. Measurement for CC work to be made as per standard trench width specified in tender document and no extra payment shall be made be made for trench width more than specified, complete work as per technical specification and scope of work.

4.8.1 M20 grade Nominal Mix 1: 1.5: 3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20mm nominal size).