MAINT REPAIRS TO GI PIPE LINE,GATE VALVES,FLOAT VALVES,AND CONNECTED WORKS AT AFAC UNDER AGE (I)AF COIMBATORE

Amount

Excavation in trenches not exc 1.50 meter wide and not exc 1.50 meter deep and getting out in hard dense soil all as specified and directed

Returning filling in spreading, leveling and well ramming in layers not exc 25 cm thick including watering as required all as specified and directed

Removal of surplus soil to a distance not exc. 50 meter and depositing where directed at a level not exc 1.5 meter above starting point all as specified and directed

M & L for cutting the existing bituminous road 20 cm depth including refilling and consolidating the disturbed portion all as directed by Engineer in Charge.

Supply and fix 25 mm bore galvanised steel tubing medium grade with all fittings and fixtures to wall or ceiling or laying in floors including taking down the existing unserviceable GI tubing and connections etc complete all as specified and directed

All as per item No 05 above but 40 mm dia bore.

All as per item No 05 above but 50 mm dia bore.

Supply and lay 50 mm bore galvanised steel tubing medium grade with all fittings and fixtures in trenches including taking down the existing unserviceable GI tubing and connections etc completeall as specified and directed

Taking up or down old steel water tubing and connections from trenches or from walls 80 mm bore dia all as specified and directed

Laying only 80mm medium grade GI tubing with all fittings and fixtures to the wall using suitable clamps or laying in floors or in trenches all as specified and as directed. Note:GI pipe in available lengths will be issued under Sch B free for fixing.

Supply and fix in replacement gun metal gate valve heavy duly ISI marked with iron wheel head screwed both ends for iron pipes 25 mm bore dia all as specified and directed

All as per item No 11 above but 40 mm size.

All as per item No 11 above but 50 mm size.

Supplying and laying of 25 mm bore CPVC pipes SDR 11 & Plain CPVC SDR 11 fittings on walls/ceiling or laying in floors complete all as specified incluing taking down the old unserviceable pipes and fittings all as specified and directed Make: supreme/ Finolex/ Prince (All ISI mark)

All as per item No 14 above but 40 mm size.

All as per item No 14 above but 50 mm size.

S&F in replacement CPVC ball valve of size 25 mm outer dia all as specified and directed

S&F CPVC ball valve of size 40 mm outer dia all as specified and directed

All as per item No. 18 but of size 50mm outer dia

Supply and fix in replacement 20 mm bore dia ball valve of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe (Miimum weight 20 mm - 210 m gms) all as specified and directed

All as per item No 20 above but for 25 mm bore dia (Minimum weight 25 mm - 455 gms).

Supply and fix in repairs lid for polyethylene water storage tank with locking arrangement suitable for 500/750/1000 Ltrs capacity all as specified and directed

M & L for plain cement concrete in foundation, filling and mass concrete type D2 1:4:8 (40 mm graded stone aggregate) for making good the camp area roads all as specified and directed

M& L for valve chamber cover made out of mild steel plates of grade fe-410w (Gde E-250 quality A) (plain or chequred) cut or notched (ordinary and counter sunk) and 25x 25x3 mm angle iron frame embedded in coping with locking arrangements and making good the valve chamber etc complete including taking down the old one all as specified and directed.

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KUMAR AGENCIES