SPECIAL REPAIR FOR REPLACEMENT OF CORRODED GI PIPE LINE AND CONNECTED ITEMS IN NORA AND AKASH GANGA PHASE II AT INS RAJALI ARAKKONAM

Amount

Excavation in trenches not exceeding 1.5mtr wide & not exceeding 1.5 mtr deep getting out in soft /loose soil for taking up/laying CI/GI pipe

Returning , filling in trenches in layers not exceeding 25 cm thick after laying of pipe including spreading, levelling & well ramming including watering as required all as specified and directed by Engineer in charge.

Removing surplus excavated soil to a distance not exceeding 50 mtr and depositing where directed at a level not exceeding 1.5 mtr above from the starting point all as specified and directed by EIC.

Taking up or down steel tubing ceiling/wall/trenches of following sizes.

20mm bore of pipe

25 mm bore of pipe

50 mm bore of pipe

80 mm bore of pipe

Note for item No. 4: Excavation & earth work shall be measured and paid separately under relevant items

Supply and lay 3-layer PP-R Polypropylene random copolymer) pipes SDR 7.4 & SDR 11 UV stablised and antimicrobial welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylen random fittings fixed complete .with all fittings specials such as bend, elbows,tees, short pieces connection, back nuts, diminishig pieces, caps, plugs and unions etc laid in trenches of following size, Make : SFC / KPT /Finolex /Supreme/ Prayag with ISI marked

32 mm bore of pipe

63 mm bore of pipe

90 mm bore of pipe

Note: (i). Excavation and earth work will be measure and paid seperately

Supply and lay 3-layer PP-R Polypropylene random copolymer) pipes SDR 7.4 & SDR 11 UV stablised and antimicrobial welded having thermal stability for hot & cold water supply including all PP-R plain & brass threaded polypropylen random fittings fixed complete to walls, ceilings or in floors etc with all fittings such as bend, elbows,tees, short pieces connection, back nuts, diminishig pieces, caps, plugs and unions etc laid in Walls, ceiling & laid in floor of following sizes Make : SFC / KPT /Finolex /Supreme/ Prayag with ISI marked

25mm bore of pipe

32 mm bore of pipe

63 mm bore of pipe

90 mm bore of pipe

M&L for cutting of bituminous Road/floor/plinth protection for laying pipe not exceeding 1.5mm and 1.5 depth including refiling with excavated material and watering well ramming/compecting and making good with PCC 100 mm thick complete all as specified and directred by Engg-in-charge Note: PCC shall be measured and paid separately

Taking down the existing unserviceable Gate valve and supply and fix new PP-R Gate valves (brass insert) as per requirement of the site .Make : SFC / KPT /Finolex /Supreme/ Prayag with ISI marked

32 mm bore of pipe

63 mm bore of pipe

Taking down the existing unserviceable CI sluice valve, supply and fix new sluice valve with iron wheel stainless steel spindle and wedge nut with flanged of size 80 mm dia, PN1.6 long body conforming to IS 14846 including replacing bolt, nuts and washers with gaskets jointing etc., complete all as specified and as directed .

Material and labour for PCC 1:2:4 type B-1 (Using 20mm graded stone aggregate) as in filling and making good distrubed surface complete all as specified and as directed.

Making connection of PP-R distribution branch with PP-R main of following sizes by providing and fixing tee including cutting and making fusion joint etc.

16 - 40mm bore of pipe

50 - 90 mm bore of pipe

SHRI S SANTHAKUMAR

N SRINIVASAN

R.P.TRADERS

rc enterprises

etheesvaran

Green Ray Technologies