REPAIR MAINTENANCE OF WATER SUPPLY LINE AND PUMP SET CLEANING OF OH TANK AND ALLIED WORKS AT KOTDWARA UNDER AGE (I) LANSDOWNE.

Disconnecting and taking up or down old existing GI tubing and connections,including connected fittings/accessories and fixtures of any description/ grade and in any position in trenches/under floors/road / on walls etc and making good the disturbed surface complete all as specified and directed for the following sizes :-

20 mm bore

50 mm bore

80 mm bore

100 mm bore

Supply, fixing, laying, jointing & testing of galvanised iron water tubing 'medium grade' conforming to IS-1239 with and including all GI fittings such as unions, reducer sockets, socket reducing bends, elbows, tee, checknuts, caps, plugs etc as required complete fixed checknuts, caps, plugs etc as required complete fixed to walls and ceilings, laid in trenches/under floor/under road or floors complete all as specified and directed for the following sizes :-

15 mm bore

20 mm bore

50 mm bore

80 mm bore

100 mm bore

Disconnecting and taking out old unserviceable Gate valve/Globe valve and Supply, fixing, jointing and testing, of gun metal globe or gate valve with iron wheel head, both ends screwed for iron pipe, conforming to IS 778 complete all as specified and directed for following bore of pipes :-

15mm bore

20mm bore

25mm bore

40mm bore

50mm bore

M&L, for earthing with galvanised steel earth plate of size 600 x 600 x 6 mm thick burried directly in ground not less than 2.5 mtr below grond level, earth plate placed on all side with charcoal mixed with salt to a thickness of 150 mm connected by GI earth strip of size 25 x 4 mm thick soldered and revetted to earth plate. GI earth strip will be protected by using 40mm bore GI pipe (light grade ISI marked) from top edge of earth plate to main earth point to be connected and 20mm dia GI watering pipe medium grade ISI marked.with funnel with wire mesh etc. The earthing includes PCC (1:3:6) type C1 using stone agg pit, RCC cover (1:2:4) type B-1 using 20mm graded stone agg and angle iron frame of 25 x 25 x 5mm, all as specified and shown in electrical plate No 3 of SSR Part - I complete all as specified and directed.

Dismantling old U/S MCCB any type and S& F MCCB 3 pole ,415 volt, adjustable type 125 Amp breaking capacity 16 KA all as specified and directed.

Excavation in trenches in soft/disintegrated soil not exc 1.5 m wide and not exceeding 1.5m in depth for laying UG cable/foundation etc complete all as specified and directed.

Returning filling in soft/disintegrated soil including spreading levelling watering and well ramming in layers n.exc 25cm each layer complete all as sp & dir.

Removal of excavated surplus soft/disintegrated soil to a distance not exc 50 mtr and depositing where directed at a level not exc 1.5 mtr above the starting point complete all as specified and directed.

Disconnecting the existing non functional submersible pump set from electric supply from panel, dismantling existing CI bend from non return valve, removing and lifting out submersible pump set of any description and capacity & in any position, alongwith existing column pipe 100 mm dia and existing submersible cable of any size from the bore well (approximately 300 feet depth of pump set from GL) and staking the pump and column pipes near by the bore well for inspection complete all as specified and directed .

Taking out & removing old burnt out windings of the submersible electric motor of capacity upto 35 HP, Three phase, 415 Volts, 50 Hz, AC supply capacity and rewinding of submersible electric motors with existing size PVC insulated, copper conductor wire including cleaning the slots with carbon- tetra-chloride solution before rewinding ,transportation to site complete all as specified and directed.

Taking out & repairing unserviceable submersible pump set of capacity 35 HP, three phase, 415 Volts, 50 Hz, AC Supply, 6 Stage submersible pump including replacing unserviceable spare parts and transporting from site and back all as specified and directed.

Taking out & removing old burnt out windings of the submersible electric motor of capacity upto 25 HP, Three phase, 415 Volts, 50 Hz, AC supply capacity and rewinding of submersible electric motors with existing size PVC insulated, copper conductor wire including cleaning the slots with carbon- tetra-chloride solution before rewinding ,transportation to site complete all as specified and directed.

Taking out & repairing unserviceable submersible pump set of capacity 25 HP, three phase, 415 Volts, 50 Hz, AC Supply, 12 Stage submersible pump including replacing unserviceable spare parts and transporting from site and back all as specified and directed.

Lowering down of the submersible pump set of any description and any capacity & in any position, in bore well alongwith column pipe 50mm dia and submersible cable of any size (approximately 500 feet depth of pump set from GL) including making necessary electric connections & testing the pump set after lowering complete all as sp & dir. (including notes mentioned in Srl No 16 here in below)

NOTES :- 1. Contractor shall take proper precautions while lowering pump set in bore well so as to avoid any damage to column pipe and submersible cable. All necessary T&P and equipments required for lowering of pump set etc shall be arranged by the contractor at his own cost. 2. Rates quoted by the contractor for the above item includes the cost of assembling & connecting pump set to column pipes & assembling, jointing and fixing column pipes with MS internally threaded flange welded with column pipe by using 04 Nos 20x3mm MS strips and thereafter jointed with rubber gasket joints and nuts, bolts / pump set at the end / submersible cable and making necessary connections and testing including reconnecting water supply system. The required materials like column pipe /flanges with rubber gasket joints/ submersible cable/ repaired pump sets etc shall be met out with old retrieved materials and additional quantity of column pipe, flanges with rubber gasket joints , submersible cable & straight through joint of cable shall be measured and paid for separately under respective item of this Schedule as “Supply only”, but the rate for its fixing shall be deemed to be included under this item.

Supply, fixing, laying, jointing & testing of galvanised iron water tubing 'medium grade' conforming to IS-1239 with and including all GI fittings such as unions, reducer sockets, socket reducing bends, elbows, tee, checknuts, caps, plugs etc as required complete fixed checknuts, caps, plugs etc as required complete fixed to walls and ceilings, laid in trenches/under floor/unde

Motor of capacity 5 HP operating on 415 V, 3 Phase, 50 Hz AC complete all as specified and directed.

Disconnecting /Dismantling all connections and taking out old Pebbles/granulars etc and S&F multigrade filtration media for Mode No -MGF 1400, Dia-1400 mm, Height-1875mm of following sizes type and size:

1-3/4" Pebbles-125 mm height

3/4- 1/2" Pebbles-100 mm height

1/2-1/4" Pebbles-100 mm height

1/4-1/10" Pebbles-100 mm height

Graded Mesh Sand(6-14 & 15-30) -925 mm height

Disconnecting /Dismantling all connections and taking out old Pebbles/granulars etc and S&F Activated carbon & filtration media for Model No - ACF 1600, Dia - 1600mms , Height-1875mm of following sizes typeand size:

1-3/4" Pebbles-125 mm height

3/4- 1/2" Pebbles-100 mm height

1/2-1/4" Coarse silex -100 mm height

1/4-1/10" Fine Silex-100 mm height

Granular activated carbon - 850 IV Height - 1000 m

Pressure Gauge 0 to 10 Kg SS

Strainer 40mm

Cleaning and paint work inner

MGF and ACF Filter Vacating Service charges

r road or floors complete of bore 100mm dia as column pipes for submersible pump all as sp & dir.

Fixing in repair valve pit chamber top cover of size 900x900 mm made with 2mm thick MS sheet with supporting MS angle iron frame made out of 40x40x6mm and painting with two coat of bitumen paint over a coat of red oxid primer and locking arrangment complete all as specified and directed by Engr-in-Charge.

M&L for Cleaning of Over head tank of capacity 0.1 Lakh Gln after emptying the sump with help of Pump, removing all mud, waste etc complete, scrubbing the entire sump inside with wire brush, washing the entire sump from inside with water and subsequently with bleaching powder solution and painting inside with two coats of lime wash including date of cleaning with white paint over black base complete all as specfied & directed by Engg-in-charge.

S&F testing and connecting cast iron sluice valve heavy duty double flanged, 80 mm dia PN 1.6 confirming to IS 14846: 2000 ISI marked with Stainless steel spindle and two nos of MS flange of 16mm thick, 8 holes with nuts and bolts packing materials complete including cutting the existing watermain for fixing cast iron sluice valve and jointing welding complete required at site of water supply installations complete all as specified and directed.

S&F testing and connecting cast iron sluice valve heavy duty double flanged, 150 mm dia PN 1.6 confirming to IS 14846: 2000 ISI marked with Stainless steel spindle and two nos of MS flange of 16mm thick, 8 holes with nuts and bolts packing materials complete including cutting the existing watermain for fixing cast iron sluice valve and jointing welding complete required at site of water supply installations complete all as specified and directed.

Disconnecting and taking down the existing unserviceable non return valves of cast iron and supply installing and testing of heavy duty cast iron non return valve PN 1.6 confirming IS 5312-1 (2004) ISI marked along with two Nos of heavy duty flange 16 mm thick, 8 hole sluitable for 80 mm dia with all fixing accessories such as suitable size nut and bolts of 16 Nos, packing material of leather buffalo including cutting the existing water main of 100 mm dia for fixing the non return valve, welding jointing complete as per site requirement complete all as specified and directed by Engg-in-Charge.

Supply and fixing in repair ball valves of 15mm dia high pressure with PTMT with epoxy coated aluminium rod and high density plastic ball, complete screwed for iron pipe and fixed (min weight 142 mg) complete all as specified and directed.

Supply and fixing in repair ball valves of 20mm dia high pressure with PTMT with epoxy coated aluminium rod and high density plastic ball, complete screwed for iron pipe and fixed (min weight 210 mg) complete all as specified and directed.

Supply and fixing in repair ball valves of 25mm dia high pressure with PTMT with epoxy coated aluminium rod and high density plastic ball, complete screwed for iron pipe and fixed (min weight 455 mg) complete all as specified and directed.

Supply and fixing in repair Copper flat cable 6 Sqmm 3 Core heavy duty for submersible pump complete all as specified and directed.