REPAIRS AND MAINT OF BOREWELL AND STARTER PANEL, CABLES AND MISC ITEMS AND MAINT OF GI CI PIPE LINE UNDER GE AVADI

Amount

Supply and fix cast iron non return valve as per IS:5312,Part-I with by pass arrangement both end flanged and drilled holes with suitable 3mm thick rubber insertion, bolt and nuts including taking out the unserviceable valve all as specified and directed of following sizes :-

80mm dia

100mm dia

150mm dia

200mm dia

Taking up old/ corroded MS bolts from sluice valve, pump, MS bolt and nuts for flange joints of size not exceeding (5 / 8") 16mm dia of any length including supply and replace with new bolts, nuts and washers all as directed.

Removing the rusted/ corroded GI tubing from wells/ walls/ roofs and from trenches of the following sizes :-

GI tubing 100mm bore with fittings

GI tubing 80mm bore with fittings

GI tubing 50mm bore with fittings

GI tubing 40mm bore with fittings

GI tubing 25mm bore with fittings

GI tubing 20mm bore with fittings

GI tubing 15mm bore with fittings

Supply & laying GI tubing medium grade including all fittings such as bends, tees, nipples, check nuts, union etc., in trenches/ fixed on walls/ roof/ fixed inside the shallow well all as directed of following sizes:-

GI tubing 100mm bore

GI tubing 80mm bore

GI tubing 50mm bore

GI tubing 40mm bore

GI tubing 25mm bore

GI tubing 20mm bore

GI tubing 15mm bore Note for Item Nos 3 & 4 :- Earth work and excavation shall be measured and paid separately under relevant items.

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m depth and getting out in any type of soil for taking out/ laying of GI pipe.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick using soil obtained from excavation all as directed.

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

Supplying, laying and jointing cast iron pipes with spigot and socket ends centrifugally cast, class "LA" suitable for lead joint in any length laid in trenches of following size including taking out existing unserviceable CI Pipes all as specified and directed :- NOTE : Lead joint shall be measured and paid separately

150mm dia

100mm dia

80mm dia

Supply and fix in repairs CI specials like collar, Tees, Socket, bend taper etc., suitable for CI pipes of sizes upto 150mm bore

All as per item No.14 above but CI pipes of sizes 200mm to 300mm bore

Material and Labour for Run lead joint including all necessary, jointing material (old recovered lead from the leaking joint shall not be reused) for the following size of pipe :-

300mm dia

200mm dia

150mm dia

100mm dia

80mm dia

Supply and fix Mild steel framed work as in valve chamber cover door, made with mild steel flat iron/ Angle of suitable size and 2mm thick sheeting etc., complete with necessary locking arrangements all as specified and directed by Engg-in-Charge.

Material and Labour for Preparation of new steel surface of any description over 10cm in width or girth and applying two coats of synthetic enamel paint over a coat of red oxide primer all as directed.

Material and Labour for Preparation of old steel surface of any description over 10cm in width or girth and applying one coat of synthetic enamel paint all as directed.

Cutting only cast iron pipes in position for insertion of new tees, branches etc., of following sizes:-

150 mm dia

100 mm dia

80 mm dia

Supply and laying/fixing UPVC pipes of sizes 50 mm bore (inner dia), grade SCH-40 with ISI mark including taking down old pipe all as directed.

All as per item No 16 here-in-before but sizes 25 mm bore (inner dia)

All as per item No 16 here-in-before but sizes 20 mm bore (inner dia)

Supply and fix in repairs Gun metal gate valve non rustable spindle with cast iron wheel ISI marked suitable for screwing in GI pipes of following size :

50mm dia

40mm dia

25mm dia

20mm dia

15mm dia

Supply and fix in repairs GI coated MS flange of 8mm thick with suitable size drilled holes and suitable for screwing in GI pipe of following size including taking out the unserviceable MS flange :-

100mm dia

80mm dia

50mm dia

40mm dia

15mm dia

Supply and fix in repairs Cast iron sluice valve with cast iron wheel stainless steel spindle water quality conforming IS - 14846 - 2000 class PN - 1.6 short bodies ISI marked of the following size including taking out unserviceable sluice valves all as specified & directed by Engg-in-Charge:-

200mm dia

150mm dia

100mm dia

80mm dia

Supply and fix in repairs 3mm thick rubber insertion for flanged joint.

Supply and fix in repairs gunmetal vertical check valve suitable for following sizes of pipes:-

100mm dia

80mm dia

Cutting the bituminous road of any description to a size not exc 0.45 x 0.45m for crossing of pipe and making good with cement concrete 1:3:6 type C-1 using 20mm graded stone aggregate all as specified and as directed.

Collecting Sample of water from shallow well and carry out tests at M/s.king Institute, Guindy for the suitability of water for drinking purpose and submission of analysis report all as directed by Engg-in-Charge.

Taking down old star/delta type starter and Supply and Fix new Motor Starter, Star / Delta type , suitable for motor of capacity 10 HP with relay range obtained from existing panel, connecting up and testing complete all specified and as directed.

Taking down old type starter and Supply and Fix new Motor Starter, direct online type , suitable for motor of capacity 7.5 HP with relay range obtained from existing panel, connecting up and testing complete all specified and as directed.

All as per item No 25 here in above, but 5 HP capacity

All as per item No 25 here in above, but 2/3 HP capacity

Supply and Fix MCCB 3 Pole, 415 V, Adjustable type, 63 Amps with breaking capacity 16 KA with extended terminal links in and including taking down the unserviceable MCCB complete all as specified and as directed.

Supply and Fix MCCB 4 Pole, 415 V, Adjustable type, 100 Amps with breaking capacity 25 KA with extended terminal links in and including taking down the unserviceable MCCB complete all as specified and as directed.

Supply and Fix MCB TPN 63 Amps with breaking capacity 10 KA including taking down the unserviceable MCB TPN complete all as specified and as directed.

Supply and Fix Single phase preventor including taking down the unserviceable Single phase preventor complete all as specified and as directed.

Supply and lay of following sizes of SUBMERSIBLE CABLE PVC insulated, sheathed flat 3 core, 1100 Volts grade with multi stranded copper conductors from starter to pump set including testing and commissioning complete including taking down old cable all as specified and as directed:-

3 Core, 4 Sqmm

3 core, 6 Sqmm

Disconnecting and taking up of 100/150mm dia SUBMERSIBLE PUMP ASSEMBLY of any capacity but depth not exceeding 65RM, removing of certain spares and replacement with new spares of same specifications / type / model, assembling back and testing for proper functioning including necessary machining works as required, complete all as specified and as directed. Note: 1. Supply only spares shall be measured and paid separately under relevant item given below . 2. Dismantling of each pump assembly shall be measured for payment one time only.

Opening up of 100mm dia SUBMERSIBLE PUMP ASSEMBLY of 12HP capacity, removing of certain spares and replacement with new spares of same specifications / type / model, assembling back and testing for proper functioning including necessary machining works as required, complete all as specified and as directed. Note: 1. Supply only spares shall be measured and paid separately under relevant item given below . 2. Dismantling of each pump assembly shall be measured for payment one time only.

Supply only Impeller gun metal

Supply only CI diffuser with casing (Bowel)

Supply only Stainless steel shaft

Supply only Bushes

Supply only Bearings

Supply only Casing lock bush

Supply only Gun metal distance bush

Opening up of 100mm dia SUBMERSIBLE PUMP ASSEMBLY of 10HP capacity, removing of certain spares and replacement with new spares of same specifications / type / model, assembling back and testing for proper functioning including necessary machining works as required, complete all as specified and as directed. Note: 1. Supply only spares shall be measured and paid separately under relevant item given below . 2. Dismantling of each pump assembly shall be measured for payment one time only.

Supply only Impeller gun metal

Supply only CI diffuser with casing (Bowel)

Supply only Stainless steel shaft

Supply only Bushes

Supply only Bearings

Supply only Casing lock bush

Supply only Gun metal distance bush

Opening up of 100mm dia SUBMERSIBLE PUMP ASSEMBLY of 7.5HP capacity, removing of certain spares and replacement with new spares of same specifications / type / model, assembling back and testing for proper functioning including necessary machining works as required, complete all as specified and as directed. Note: 1. Supply only spares shall be measured and paid separately under relevant item given below . 2. Dismantling of each pump assembly shall be measured for payment one time only.

Supply only Impeller gun metal

Supply only CI diffuser with casing (Bowel)

Supply only Stainless steel shaft

Supply only Bushes

Supply only Bearings

Supply only Casing lock bush

Supply only Gun metal distance bush

Opening up of 100mm dia SUBMERSIBLE PUMP ASSEMBLY of 5/6HP capacity, removing of certain spares and replacement with new spares of same specifications / type / model, assembling back and testing for proper functioning including necessary machining works as required, complete all as specified and as directed. Note: 1. Supply only spares shall be measured and paid separately under relevant item given below . 2. Dismantling of each pump assembly shall be measured for payment one time only.

Supply only Impeller gun metal

Supply only CI diffuser with casing (Bowel)

Supply only Stainless steel shaft

Supply only Bushes

Supply only Bearings

Supply only Casing lock bush

Supply only Gun metal distance bush

Dismantling and opening up of SUBMERSIBLE TYPE MOTOR, AC, 3 Phase, 415 Volts, 50 Hz OF 4 INCHES(100 mm) DIA SUBMERSIBLE PUMP of following capacities, removing burnt out winding wires, cleaning stator and rotor assembly, rewinding with same gauge and type of insulation copper conductor winding wire, assembling back including replacement of bearings with same size / make complete all as specified and as directed :-

12.5 HP Capacity 4 inches dia submersible Motor

10 HP Capacity 4 inches dia submersible Motor

7.50 HP Capacity 4 inches dia submersible Motor

5/6 HP Capacity 4 inches dia submersible Motor

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