REPAIR / MAINTENANCE OF WATER SUPPLY PUMPING AND DISTRIBUTION PIPE LINES OF VARIOUS SIZES AND ALLIED WORKS AT KOTDWARA UNDER AGE (I) LANSDOWNE.

Amount

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 :-

15 mm bore

20 mm bore

25 mm bore

40 mm bore

50 mm bore

Supply, fixing and laying 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

25 mm bore

40 mm bore

50 mm bore

Dismantling old U/S MCCB any type and S& F MCCB 3 pole ,415 volt, adjustable type 125Amp 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 specified and directed.

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 500 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 . (including notes mentioned here in below in item no 8.00)

NOTE : 1. Contractor shall take proper precautions while lifting out and removing pump set from bore well so as to avoid any damage to column pipe and submersible cable. All necessary T&P and equipments required for lifting out pump set etc shall be arranged by the contractor at his own cost. 2. Number of column pipe may vary from 30 to 50, The existing pipes , screwed and socket joints shall be checked for its serviceability & unserviceable joints alongwith flanges shall be removed from the column pipe by cutting the pipes & making new thread in pipes for fixing of new socket and nut bolt, the cost of same shall be deemed to be included in the quoted rate for above item. However cleaning of pipes if any required shall be measured & paid separately.

Taking out & removing old burnt out windings of the submersible electric motor of capacity 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

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 specified and directed (including notes mentioned in Srl No 11.00 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.

Disconnecting and taking out old unserviceable Gate valve/Globe valve and Supply & fixing 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

Disconnecting and removing old existing non functional electric motor, of following capacity of booster pump / centrifugal pump of any description and in any position, dismantling and strip opening of the motor, for carrying out repair/ servicing /overhauling mechanically and electrically, cleaning, oiling/greasing, fixing of serviceable parts in position, removing & replacement of defective / unserviceable parts with new parts, ie bearing,connecter, fan blade, nuts and bolts etc with and including removing the old existing burnt windings, cleaning the slots & rewinding of the following capacity motor, operating on 415 V, 3 Phase, 50 Hz AC supply with existing gauge super enameled copper wire, including insulating material such as illuminous paper, Letherized paper, cotton tape, glass sleeves insulating varnish etc and any trasportation to workshop if required,and fixing the same in position and testing on full load complete all as specified and directed.

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

Motor of capacity 1 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

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 0.5 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.

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

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.

M&L Construction of brick masonry valve chamber (as per standard drwaing) of internal size 900x900x900mm with sub class 'B' bricks in cement mortar 1:6 with 2mm thick MS sheet cover and angle iron frame made out of 40x40x6mm angle with locking arrangement duly painted with two coat of bitumen paint over a coat of red oxide primer incl necessary earth work and excavating in soft loose soil returning filling in removal of surplus soil complete incl 100 mm thick PCC 1:4:8 type B-2 (using 40 mm graded stone aggregate) in base concrete and 50 mm thick coping PCC 1:2:4 type B-0 (using 12.50 mm graded stone aggregate) over brick wall top incl. two coats of snowcem rendering plastering work complete all as specified and directed.

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 16 Sqmm 3 Core heavy duty for submersible pump complete all as specified and directed

Material & labour for earthing complete with galvanised steel earth plate electrode 600x600x6mm thick burried directly in ground. ( earth pit not less than 2.25 mtr depth below ground level at any type of strata ) with top edge of the earth plate not less than 1.5mtr below normal ground level surrounded with adequate quantity of charcoal dust mixed with salt to a packed thickness of 15cm all around the plate. connected by 4 mm GI wire as earth lead by means of brass nuts and bolt, thimbles check nuts, washers including concrete chamber of PCC 1:3:6 type C-1 using 20mm graded stone aggregate with fair finish, internal surface of concrete chamber shall be given internal dia 300mm x300mm, 15mm thick plaster in CM 1:4 funnel with wire mesh, RCC pit cover of 320x320x80mm size PCC 1:2:4 Type B1 using 20mm graded stone aggregate rainforced with XPM all as shown in electrical plate No 3 of MES SSR Part-1(2009) and specified including and provision of GI wire upto 7.5 mtrs long with 15 mm dia medium grade GI pipe protection and watering pipe of GI 20 mm bore, medium grade, including all exavation and earth work and connecting the earthing wire to panel, including testing on completion complete all as specified and directed. Note:- (i) RCC pit cover shall be precast of RCC(1:2:4) type B1, 80mm thick rainforced with XPM weighing not less than 4kg/sqm in lieu of CI cover. (ii) Cost of additional GI wire more than 7.5 mtrs will be measured and paid seperately under relevant items.

Deven Associates

SIYA ASSOCIATES