REPAIR MAINT OF WATER SUPPLY PIPE LINE CONTROL VALVES AND VALVE PITS AND CLEANING OF SURFACE AREA GRASS AND BUSHES ETC AT TANDA AREA UNDER GE NORTH AKHNOOR

Amount

Excavation in trenches not exc 1.5 mtr wide and not exc 1.5 mtr in depth in loose/soft soil, getting out and leveling the bottom surface to required gradient for laying of water supply mains complete all as specified and directed by Engineer-in-Charge.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick , all as specified .

Removing surplus spoil to a distance not exceeding 50m and deposited where directed at a level not exceeding 1.50m from the starting point, all as specified.

Dismantling/disconnecting and taking out of existing GI tube of 15mm bore dia from the existing walls/floors/roofs for repair/replacement and making good disturbed surfaces complete all as specified.

Ditto all as per item No 04 here-in-above but 20mm bore dia.

Ditto all as per item No 04 here-in-above but 25mm bore dia.

Ditto all as per item No 04 here-in-above but 40mm bore dia.

Ditto all as per item No 04 here-in-above but 50mm bore dia.

Dismantling/disconnecting and taking up or down cast iron water mains (including all fittings) from trenches, with spigot and socket ends including burning out lead joints and recovering lead of size 80mm bore dia complete all as specified.

Ditto all as per item No 09 here-in-above but 100mm bore dia.

Ditto all as per item No 09 here-in-above but 150mm bore dia.

Ditto all as per item No 09 here-in-above but 200mm bore dia.

Ditto all as per item No 09 here-in-above but 250mm bore dia.

Cutting existing GI tubing for alteration/additions and screwing existing GI tubing (lenthening screw on pipe to form connector) for upto 25 mm dia bore complete all as specified and directed by Engineer-in-Charge.

Ditto all as per item No 14 here-in-above but of size 40/50 mm dia.

Steel water tubing medium grade galvanised of ISI marked with and including fittings such as tees, bends elbow reducer, unions, clamps etc (ISI marked) laid in trenches/ Wall/roof of size 15mm bore dia complete all as specified.

Ditto all as per item No 16 here-in-above but 20mm bore dia.

Ditto all as per item No 16 here-in-above but 25mm bore dia.

Ditto all as per item No 16 here-in-above but 40mm bore dia.

Ditto all as per item No 16 here-in-above but 50mm bore dia.

Ditto all as per item No 16 here-in-above but 80mm bore dia.

Ditto all as per item No 16 here-in-above but 100mm bore dia.

Mild steel ERW pipe line 150 mm dia 5.4 mm thickness flanged type confirming to IS 7161 including MS flanges and rubber gasket with reqiired Nos of hole, required Nos of MS connecting pieces and required Nos of nuts, bolts, washers of suitable sizes including cutting of pipes welding work and drilling holes including taking out old CI/DI/MS pipe complete all as specified and directed. Note : Any kind of excavation and earth work related to this work shall be paid under relevant item of this BOQ.

Ditto all as per item No 23 here-in-above but 200mm bore dia.

Ditto all as per item No 23 here-in-above but 250mm bore dia.

CI fittings of any size, any type ISI marked as required at site such as bends (any type, radius and angle),Taper any type, (straight, bend, increasing, decreasing or double socket etc), Tee pieces single branch. "Y" junction, double branch, cross (all socket or socket and spigot), collar, caps and plugs upto 250mm bore etc. complete all as specified and directed.

Supply only Pig lead.

Supply only Lead wool

Supplying & fixing in replacement gun metal globe or gate valve ISI marked with iron wheel head screwed both ends for iron pipe or for union and fixed including all accessories such as nipple, union etc if required and for size 20mm bore dia complete all as specified.

Ditto all as per item No 29 here-in-above but 25mm bore dia.

Ditto all as per item No 29 here-in-above but 40mm bore dia.

Ditto all as per item No 29 here-in-above but 50mm bore dia.

Stop valve cast copper alloy (ISI Marked) screwed down high pressure with crutch or butterfly handle screwed both ends for iron pipe 20mm bore dia, complete all as specified and directed.

Ditto all as per item No 33 here-in-above but 25mm bore dia.

Ball valves, high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball, screwed for iron pipe 20 mm dia (minimum weight 210 gms) complete all as specified and as directed by Engineer-in-Charge.

Ditto all as per item No 35 here-in-above but of size 25 mm dia.

Repair to leakage in the pipe line at flanged joints only complete including replacement of Rubber gasket joint complete with necessary jointing materials including replacement of all bolts, nuts and washers where ever required complete including necessary excavation and earth work if required to trace the leakage for CI/DI pipe line of size 100mm to 250mm dia bore complete all as specified and directed by Engineer-in-Charge.

Supplying & fixing in replacement including testing cast iron sluice valve with flanged ends drilled heavy duty, ISI marked, class PN-1.6 with stainless steel spindle and operating wheel of cast iron at top including necessary nuts, bolts, washers and rubber packing for connecting pieces etc. for size 80mm bore dia complete all as specified.

Ditto all as per Srl item No 38 here-in-above but 100mm bore dia.

Ditto all as per item No 38 here-in-above but 150mm bore dia.

Ditto all as per item No 38 here-in-above but 200mm bore dia.

CI Air release valve with two air outlets conforming to IS 14845 of size 50mm dia bore and fixing up in cast iron water supply mains of size 150mm complete including taking down the existing one all as specified and directed.

CI foot valve flanged type including nuts bolts washers and rubber of size 150 mm dia confirming to IS-4038 complete including taking down the existing one all as specified and directed.

CI non return valve 100mm dia without by pass arrangement confirming to IS-5312 part-I, PN 1.0 including nuts, bolts, washers and gaskets including taking out old unserviceable non return valve complete all as specified and directed.

Ditto all as per item No 44 here-in-above but 150mm bore dia.

Construction of brick masonry valve chamber of size 120 cm x 120 cm x 120 cm (internal dimension) in CM 1:6 including base PCC 1:3:6 type C2 with 40 mm graded coarse stone aggregate and plastering the walls from inside and outside the chamber as in CM 1:6, provisioning of angle iron frame 40 x 40 x 6 mm and 3.15 mm MS plate as chamber cover with locking arrangement and provn of red oxide primer with two coats of synthetic enamel paint including necessary excavation in any type of soil, returning filling in and removal of surplus soil to a distance not exc 50 mtr away and depositing where directed at level not exc 1.5 m above the starting point including demolition/ dismantling of existing valve chamber complete all as specified and directed by Engineer-in-Charge.

Ditto all as per item No 46 here-in-above but size 90cmx90cmx90cm (internal height).

S&F leather packing 6mm thick all as directed and specified.

Taking out unservicable brass/steel spindle of size 150/ 200/ 250mm by unscrewing top cover of sluice valve including taking to the workshop for the required leath work brass welding rebuilding threads etc as required and refix the same for smooth functioning of water supply complete all as specified and as directed.

Supply and fixing in replacement copper thimbles size 185 Sqmm all as specified and directed.

Ditto all as per item No 50 here-in-above but size 150Sqmm.

Ditto all as per item No 50 here-in-above but size 120Sqmm.

Ditto all as per item No 50 here-in-above but size 95Sqmm.

Supply and fixing in replacement connection cable multistranded single core PVC insulated copper conductor cable through existing PVC/GI Conduit pipe or through existing duct from starter to motor or vice-versa of size of cable 120 Sqmm complete all as specified and directed by Engineer-in-Charge.

Surface dressing in hard/dense soil n.exc (not exceeding) averaging 15cm deep for cleaning the area by cutting the unwanted bushes/vegitation growth in and around the area of installations/around the valve pit chamber/along the pipe line routes if required etc all as specified and directed by Engineer-in-Charge.

M&L for Plain Cement Concrete Type C-1, 1:3:6 (using 20mm graded crushed stone aggregate) slab 10CM thick in CM 1:6 complete all as specified and as directed.

ASIA ENTERPRISES

Jiwan Singh

harish kumar and co

Balbir Enterprises

M/s Joginder Lal Malhotra

M/S Mahajan Construction Co.