REPAIR/REPLACEMENT AND MAINT OF SUBMERSIBLE PUMP SET, REDEVELOPMENT OF BOREWELL AND VALUE PIT CHAMBER, SLUICE VALVE, GATE VALVE AND CONNECTED WORKS AT DOMESTIC AREA AT AF STN GWALIOR.

Amount

Disconnecting the existing non functional submersible pump set from supply, dismantling existing CI bend from non return valve, removing and lifting out submersible pump set of any description and capacity & in any position, along with existing column pipe 80/50mm Dia and existing submersible cable of any size from the bore well 200/150mm bore (approximately 40 mtr depth of pump set from GL) complete all as specified and directed. 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 equipment's required for lifting out pump set etc shall be arranged by the contractor at his own cost

Cutting out the unserviceable / damaged portion of the 80mm bore GI column pipe of any grade, making new threads to suitable lengths (for providing long threaded socket) for jointing the pipes with old/new pipes to replace the unserviceable length or to increase the length of column pipe specified etc complete all as directed by the Engineer-in-Charge. Note:- 1. Taking out of pipe shall be included in srl item No. 1 & 12. 2. Each cut & threading shall be measured as one unit but new socket, if any provided shall be measured and paid for separately under appropriate item of Schedule `A’ as supply only. 3.New column pipe length shall be measured and paid for separately under appropriate item of Schedule `A' as supply only

Cutting out the unserviceable / damaged portion of the 50mm bore GI column pipe of any grade, making new threads to suitable lengths (for providing long threaded socket) for jointing the pipes with old/new pipes to replace the unserviceable length or to increase the length of column pipe specified etc complete all as directed by the Engineer-in-Charge. Note:- 1. Taking out and lowering of pipe shall be included in srl item No. 1 & 12. 2. Each cut & threading shall be measured as one unit but new socket, if any provided shall be measured and paid for separately under appropriate item of Schedule `A’ as supply only. 3.New column pipe length shall be measured and paid for separately under appropriate item of Schedule `A' as supply only

Supply and fixing of steel wire rope 2 mm Dia for guard and tied / binded with submersible motor and pump set complete all as specified and directed. Note: Taking out and lowering of old/Brocken steel rope shall be included in srl item No. 1.00 and 12.00 here-in-before.

Supply, jointing and testing galvanized iron water tubing medium grade as in column pipe ,ISI marked, including necessary new GI socket, heavy duty, seamless, long threaded ISI marked & fittings / accessories ISI Marked complete all as specified and directed for the following size

80 mm bore

50 mm bore

Taking out existing damaged/unserviceable pressure water suction gauge -1 to 600 bar duel shape from existing position complete all as specified and directed.

Supply and fixing of pressure water suction gauge -1 to 600 bar as per existing size for 80 mm/50 mm bore complete all as specified and directed.

Lowering down of the submersible pump set after repair of any description and any capacity & in any position, in bore well along with column pipe 80/50mm Dia and submersible cable of any size and steel wire rope (approximately 40 mtr depth of pump set from GL) complete all as specified and directed by Engineer-in-Charge including making necessary electric connections & testing the pump set after lowering. NOTE: 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 equipment's required for lifting out 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/pump sets/submersible cable and making necessary connections and including reconnecting water supply system. The required materials like column pipes submersible cable shall be measured and paid for separately under appropriate item of Schedule `A'.

Rewinding of submersible electric motors with existing size PVC insulated, copper winding wire including cleaning the slots with carbon- tetra-chloride solution before rewinding, transportation to site, fixing / lowering in position & testing on full load etc complete all as specified and directed :- Note: (i) Taking out of repairing motor/pump shall be included in srl item No. 1 & 12 above . (ii) Only one time payment will be considered in complete contract period for submersible motor winding in case of submersible motor and pump are off loads/ burnt during contract period.

(a) 20 HP, three phase, 415 Volts, 50 Hz, AC supply

(b) 17.50 HP, Three phase, 415 Volts, 50 Hz, AC supply

Repair to impeller of submersible pump of any description by brazing , welding, metalling, turning and polishing complete all as specified and directed , for the following capacities of the pumps coupled with submersible motors :

Repair to Diffuser of submersible pump of any description by brazing , welding, metalling, turning and polishing complete all as specified and directed , for the following capacities of the pumps coupled with submersible motors :

Supply only 6 Sqmm, 3 Core, flat submersible Cable, PVC insulated, PVC sheathed with multi-stranded copper conductors, 1100 Volt grade, complete all as specified and directed by Engineer-in-Charge. Note:- 1. Taking out of cable shall be included in srl item No. 1 & 12.

Material & labour for water proof joint of submersible cable 3 core of any size using fine rubber and M Seal etc all as directed by Engineer -in-Charge. Note:- 1. Taking out of cable shall be included in srl item No. 1 & 12.

Material and labour for cast iron/ductile iron specials/fittings such as bend, tee, socket, collar Reducer, Tail Pieces etc. suitable for spigot and socketed/ flanged end pipe of above150mm bore pipe complete all as specified and directed. Note:- 1. Taking out and lowering of pipe shall be included in srl item No. 1 & 12.

Dismantling and strip opening of submersible pump & motor of any description and in any position for servicing /overhauling, cleaning, oiling/greasing, fixing of serviceable parts in position, removing & replacement of defective / unserviceable parts with new parts, reassembling the Pump & motor, ensuring proper alignment of pump and motor, fixing in position, connecting to existing system and testing at site on full load to the entire satisfaction of the Engineer-in-Charge for the following capacities pumps & motors :- Note: - (i) The replacement of defective / nonfunctional parts shall be measured & paid for separately as “Supply only” under appropriate item of Sch ‘A’ and fixing rate for new items are deemed to include under these item. (ii) Burnt out windings of motor shall be replaced, measured and paid for separately under appropriate item of Sch ‘A’ for rewinding. (iii) The rates for above items are deemed to include transportation to & fro of pumps/ motors to workshop as approved by Engineer-in-charge for necessary repairs, alignment and testing of pump and motors at workshop. (b) Re-metalling to Pump shaft, polishing and grinding and making standard size to matching with Gun Metal Bush / Neck-ring shall be measured and paid for separately under appropriate item of Sch ‘A’ (iv) Lifting of pump and motor from bore well and lowering of pump and motor after repairs shall be measured and paid separately under appropriate item of Schedule `A'.

(a) 20 HP, three phase, 415 Volts, 50 Hz, AC supply

(b) 17.5 HP, Three phase, 415 Volts, 50 Hz, AC supply

Supply only the following items / parts of AC submersible motor of any description & any capacity, all as specified and directed by the Engineer-in-Charge

Upper & lower rubber housing bush

Stainless steel rotor sleeve.

Thrust bearing complete set.

Upper cast iron housing.

Lower cast iron housing

Upper MS Flange with stud

Lower MS Flange with stud

Motor base CI

segment holder assembly

Motor Strainer

Locator

"O" ring

Circlip

Allen drain plug G.M.

Oil seal

Coupling set with key of stainless steel

Discharge outlet of cast iron

Stage casing of Cast Iron

Gun metal sand guard.

Gun metal neck ring.

Gun metal impeller.

Gun metal body bush

Pump Key

Inlet bracket

Cable guard

Pump strainer

Tie bar

Impeller lock nut

Sim wisher

LN key (Top wisher)

Gun metal diffuser

D.O. bush for diffuser

Diffuser housing assy.

Machining work for the following item & capacities of the submersible motors of any description, complete all as specified and directed:-

(a) Rotor machining, grinding balancing & reconditioning.

(b) Motor tube boring, machining & reconditioning

(c) Motor lamination setting with material

(d) Thrust bearing & plate reconditioning

(e) Rotor reconditioning

(f) Slot repairing in stator

Supply only the rotor for the following capacity of AC submersible motor of any description, complete all as specified and directed:-

(a) Rotor for 17 to 17.5 HP Submersible motor

(b) Rotor for 20/21 HP Submersible motor.

Material & labour for MS clamps made out of MS flat 65mm x 8mm thick (high carbon forged steel) made to shape and size as required for 80/50mm column pipes with and including suitable nuts, bolts & washers etc complete all as specified and directed

Supply and fixing GI bend 90 Degree suitable for 80mm Dia column pipe, heavy duty, flanged & drilled at one end and socketed at other end with having arrangement for mounting pressure gauge complete all as specified and directed by Engineer-in-Charge.

Supply and fixing GI bend 90 Degree suitable for 50mm Dia column pipe, heavy duty, flanged & drilled at one end and socketed at other end with having arrangement for mounting pressure gauge complete all as specified and directed by Engineer-in-Charge.

Supply only the shaft for the multistage submersible pump made out of Stainless steel of following description complete all as specified and directed :-

(a) Multistage submersible pump having 07 stages.

(b) Multistage submersible pump having 08 stages.

(c) Multistage submersible pump having 09 stages.

(d) Multistage submersible pump having 10 stages.

(e) Multistage submersible pump having 11 stages.

(f) Multistage submersible pump having 15 stages.

(g) Multistage submersible pump having 20 stages.

Material and labour for PCC (1:3:6) type C2 using 40mm graded stone aggregate for anchorage blocks for pipe line/PCC Blocks for Monoblock pump set complete to mounted /making good the cut portion of roads/paths/hard standings etc including necessary from work where required , to support the pipe line complete all as specified and as directed by Engineer-in-charge.

Taking up or down existing old cast iron sluice valves of any description and in any position, including taking out joints complete all as specified and directed for the following sizes :-

300mm bore

200mm bore

150 mm bore

100 mm bore

80 mm bore

Supply, installation, fixing, jointing and testing, ISI Marked, of approved quality, cast iron sluice valve of class PN-1.6 conforming to IS-14846 of 2000 both ends flanged with iron wheel head and stainless steel spindle, long body type, jointed and tested complete all as specified and directed for following bores :-

300mm bore

200mm bore

150 mm bore

100 mm bore

80 mm bore [Note:- (i) Joints of the sluice valve shall be measured and paid for separately under appropriate item of Schedule `A' .

Dismantling leaking joints of flanged pipes in position, including removing old rubber or fibre board gaskets, bolts, newscast iron pipes and fittings complete all as specified and directed for following sizes:-

300mm bore

200mm bore

150 mm bore

100 mm bore

80 mm bore

Material and labour for rubber gasket joints in flanged end cast iron pipes and fittings complete with and including minimum 3 mm thick rubber/fibre gasket and necessary nuts/bolts/washers all as specified and directed for following sizes:-

300mm bore

200mm bore

150 mm bore

100 mm bore

80 mm bore

Taking down existing gun metal gate valves in repair of any description and in any position, complete all as specified and directed the following sizes :-

50mm bore

40mm bore

25mm bore

20mm bore

15mm bore

Supply, fixing, jointing and testing, ISI Marked, of approved quality, gun metal globe/gate valve with iron wheel head, both ends screwed for iron pipe complete all as specified and directed for following bore of pipes

50mm bore

40mm bore

25mm bore

20mm bore

15mm bore

Dismantling and taking out existing damaged / rusted valve pit cover of any size from valve pit chamber, not less than 1 M x 1 M and M & L for new valve pit cover of size not less than 1 M x 1 M made out from MS Angle iron of size 50 x 50 x 5mm frame with fixing the MS sheet of thickness 3 mm welded on MS angle complete including locking arrangement with applying two coat of synthetic enamel paint 1st grade over a coat of red oxide primer complete all as specified and directed.

Dismantling & breaking down the old existing valve pit chamber of any size and any shape and remove material from site of work complete all as directed.

Material and labour for construction of brick masonry valve pit /chamber complete with 3mm thick MS sheet cover with locking arrangement of size 450x 450x 600mm (depth) (internal dimensions) as shown on Drg No CWE/TD/129 sheet No 1/1 dt 18.12.87 with and including necessary excavation & earth work in any type of soil complete all as specified and directed by Engineer-in-Charge.

All as per srl item No 38 here-in-before but of size of valve pit 600mm x 600mm x 600mm (depth) (internal dimensions)

All as per srl item No 38 here-in-before but of size of valve pit 800mm x 800mm x 900mm (depth) (internal dimensions)

Disconnecting , Dismantling and taking down complete valve from pipe line and refixing the same to its position after following repair of size 150 mm dia complete all as directed. (a) Fabrication and fixing of stainless steel spindle as per sample including threading and machinery work. (b) Fabrication and fixing of GM Nut (Gutka) (c) Fabrication and fixing of gland plate. (d) Replacement of damaged nut, bolt, washers and packing.

All as per srl item No 41 here-in-before but of Size 100mm Dia

All as per srl item No 41 here-in-before but of Size 80mm Dia

S K MECHANICAL WORKS (BID ID -3509102)

Akarsha Enterprises (BID ID -3509465)

M/s YOGESH ENTERPRISES (BID ID -3505188)