REPAIRS AND REWINDING OF MOTOR PUMPS AT M GEDDA FILTRATION PLANT 104 BPH MEGADRIPETA NAUSHAKTI VIHAR AND CONNECTED MISC WORKS UNDER AGE E M NO 1 OF GE UTILITY II VISAKHAPATNAM

Amount

Taking down existing electric motor 3 phase 415V 50 cycles AC from foundations bed/coupling opening the motor, taking to workshop and removing the burnt windings cleaning the stator and rotor with cleaning agent rewinding the motor with appropriate gauge of super enamelled copper wire of same gauge and same no of turns of existing make insulating winding with existing class of insulation varnishing baking up including supply and replacement of base foundation nuts bolts same to site and re-installation of motor with suitable packing materials and connecting to the pump, testing the motor satisfactory performance for the following capacity and any make of the motor :- Note : Bearings shall be measured and paid separately under relevant item of BOQ

up to 7.5 HP Capacity

10 to 15 HP Capacity

20 to 40 HP Capacity

50 to 75 HP Capacity

100 to 150 HP Capacity

170 HP Capacity

Taking down carefully the existing motor from foundation bed for servicing by removing the coupling, cleaning the motor & stator body with cleaning agent, varnishing, to improve the insulation values reassembling and re-installing the motor with necessary bolts, nuts and washers and connecting the pump set complete all as directed for the following capacities of pump sets :- Note : Bearings shall be measured and paid separately under relevant item of BOQ

up to 7.5 HP Capacity

10 to 15 HP Capacity

20 to 40 HP Capacity

50 to 75 HP Capacity

120 to 150 HP Capacity

170 HP Capacity

M&L for dismantling centrifugal pump coupled with electric motor 3 phase 415 volt,50 Hz of following capacities from the foundation bed for repairs by removing the coupling and foundation bolts etc. dismantling the complete pump and separate the serviceable and unserviceable parts. Replace the unserviceable parts/spares, reassembling and reinstall the pump with necessary bolts nuts and washers including cleaning and removing the scales and replacement of spare parts like impeller nut, keys, lock washer, gasket and greasing, reassembling coupling in position testing and commissioning in the pump set up to satisfaction level complete all as directed Note : Supply Only Spare parts shall be measured and paid separately under relevant items of BOQ

170 HP Pump Set

120 to 150 HP Pump Set

50 to 75 HP Pump set

30 to 40 HP Pump Set

10 to 20 HP pump set

5 to 7.5 Hp pump set

up to 5 HP pump set

Supply and fix in repairs pump set Star coupling made out of mild steel including drilling holes and suitable size of nuts, bolts for the following capacities of motors complete :-

Up to 7.5 HP Motor

10 to 15 HP Motor

20 to 40 HP Motor

50 to 75 HP Motor

100 to 170 HP Motor

Supply and fix in repairs terminal block of 6 terminals of the following capacities :-

Up to 7.5 HP Motor

10 to 15 HP Motor

20 to 40 HP Motor

50 to 75 HP Motor

100 to 170 HP Motor

Supply only the following bearings required during rewinding / servicing of motors to incorporate in under relevant items complete all as directed :

Up to 10 HP Capacity

15 to 30 HP Capacity

40 to 75 HP Capacity

100 to 120 HP Capacity

150 HP Capacity

170 HP Capacity

Tapper roller bearing suitable for 50 HP to 75 HP Capacity

Tapper roller bearing suitable for 100 HP to 120 HP Capacity

Tapper roller bearing suitable for 150 HP to 170 HP Capacity

Supply and replace rubber couplings :-

Rubber coupling R 110

Rubber coupling R 150

Rubber coupling R 190

Rubber coupling R 225

Supply only for following spare parts for centrifugal pump set up to 5 HP capacity

Casing Ring

Latern Ring

Shaft sleeve DE/NDE

CI Gland covers with MS Studs

Ball Bearing

Supply only for following spare parts for centrifugal pump set of capacity 7.5 to 10 HP :-

Casing Ring

Latern Ring

Shaft sleeve DE/NDE

CI Gland covers with MS Studs

Ball Bearing

Supply only for following spare parts for centrifugal pump set of capacity 12.5 HP to 20HP :-

Casing Ring

Latern Ring

Shaft sleeve DE/NDE

CI Gland covers with MS Studs

Ball Bearing

Supply only for following spare parts for centrifugal pump set of capacity 30 to 40 HP :-

Casing Ring

Latern Ring

Shaft sleeve DE/NDE

CI Gland covers with MS Studs

Ball Bearing

Supply only for following spare parts for centrifugal pump set of capacity 50 to 75 HP:-

Casing Ring

Latern Ring

Shaft sleeve DE/NDE

CI Gland covers with MS Studs

Ball Bearing

Supply only for following spare parts for centrifugal pump set of capacity 120 HP :-

Casing Ring

Latern Ring

Shaft sleeve DE/NDE

CI Gland covers with MS Studs

Ball Bearing

Supply only for following spare parts for 150 HP centrifugal pump set :-

Casing Ring

Latern Ring

Shaft sleeve DE/NDE

CI Gland covers with MS Studs

Ball Bearing

Supply only for following spare parts for 170 HP centrifugal pump set :-

Casing Ring

Latern Ring

Shaft sleeve DE/NDE

CI Gland covers with MS Studs

Ball Bearing

Supply only CI Impellers as per existing Model for the following capacities complete all as specified and directed

5 to 10 HP Capacity

15 to 30 HP capacity

40 to 75 HP Capacity

Supply only Pump Shafts as per existing Model for the following sizes complete all as specified and directed

5 to 10 HP Capacity

15 to 30 HP capacity

40 to 75 HP Capacity

100 to 170 HP Capacity

Taking down carefully the existing motor from the bed and taking up the VT pump by split opening the pump by removing coupling ,line shaft and pump set and identifying the defects and replacing the worn-out parts if required and cleaning and over hauling the pump and testing commissioning after repairs carry out re erecting complete Pump set for satisfactory performance all as directed Note : Supply only spare parts shall be measured and paid separately under relevant items of this schedule

Supply only following spare parts suitable for 30/ 40/50 HP VT water lubricated pump

Head shaft

Bearing holder assembly

Head shaft coupling

Stuffing box with bush complete

Line shaft bearing

M&L for Damaged column pipe by removing and cutting, welding & Threading complete all as directed by Engr-in-Charge

Taking down carefully existing motor and pump set from the unserviceable bed and taking up the complete MS bed from the PCC and cleaning and levelling the bed including new PCC work including with fabrication of new MS bed by using new MS work with foundation bolts and nuts suitable for mounting/re-erecting the pump and motor after necessary minor repairs complete with two coats of existing colour painting over a coat of red oxide and testing and commissioning up to satisfaction levels all as directed of following sizes :-

M&L for disconnecting / removing old unserviceable thermal over load relay from existing star delta starter and S&F over load relay of existing model for AC 415 V, 50 Hz, 3 phase for the following capacity of electric motor complete all as directed

170 to 150 HP Capacity

100 to 120 HP Capacity

60 to 75 HP Capacity

up to 50 HP Capacity

M&L for disconnecting/removing the old unserviceable contactors from the starter and Supply and fix contactors as per existing model for AC 415 V, 50 cycles, 3 phase suitable for the following capacity of electric motors complete :-

150 to 170 HP Capacity

100 to 120 HP Capacity

40 to 75 HP Capacity

20 to 30 HP Capacity

upto 20 HP Capacity

M&L for disconnecting / removing the old unserviceable starters from the panel and supply and fix DOL starter for AC, 415V 50 Hz 3 phase suitable for Up to 10 HP capacity of electric motor complete all as directed.

M&L for disconnecting / removing the old unserviceable starters from the panel and supply and fix DOL starter for AC, 415V 50 Hz 3 phase suitable for 20 HP to 40 HP capacity of electric motor complete all as directed.

Supply and replace PVC cooling fan suitable for the existing motors of various capacity including testing and commissioning complete all as directed.

Supply and replace Nut & Bolts, Gland Bolts Eye bolts of different sizes complete all as directed including taking down the unserviceable bolts.

Supply and replace pressure gauge 0-10 Kgs/Sq mm with 4" dia including necessary fittings complete all as directed.

Supply and replace Electronic Timers of Type ET 100, 415 Volts for 9 - 3- Sec all as per directed. Make:- L&T / ABB / BCH / Siemens / C&S Electric Ltd / Schneider

Supply and replace Rubber sheet of size 3mm/4mm thick

Supply and replace Rubber sheet of size 6mm/8mm thick

Supply and replace gland packing rope of 8/10/12/12.5/14/16mm sizes to pump sets of different sizes and capacities complete all as specified and directed

Supply and replace unserviceable brass air cock of suitable size to pump sets complete all as specified and directed

M&L Synthetic mat (rubber matting) suitable for 11000 Volts electrical grade 2mx1mx19mm thick chequered top, ISI marked to be laid in front of LT panel board complete all as specified and directed.

Disconnect and remove the old unserviceable MCCB, 400 Amps and supply and fix MCCB, 4 Pole 400 Amps, breaking capacity 36 KA with continuously adjustable electronic release complete all as directed

Disconnect and remove the old unserviceable MCCB, 200 Amps and supply and fix MCCB, 3 Pole 200 Amps, breaking capacity 25 KA with continuously adjustable electronic release complete all as directed

Disconnect and remove the old unserviceable MCCB, 125 Amps and supply and fix MCCB, 3 Pole 125 Amps, breaking capacity 36 KA with continuously adjustable electronic release complete all as directed

Disconnect and remove the old unserviceable MCCB, 100 Amps and supply and fix MCCB, 3 Pole 100 Amps, breaking capacity 36 KA with continuously adjustable electronic release complete all as directed

Disconnect and remove the old unserviceable MCCB, 63 Amps and supply and fix MCCB, 3 Pole 63 Amps, breaking capacity 36 KA with continuously adjustable electronic release complete all as directed

Supply only chlorine gas supplied in 100 kg kg cylinders for water treatment Note: (i) Testing the cylinders, and repair to outlet valves of cylinders and maintain the gas control and regulating system shall be the responsibility of Contractor and the rate is deemed to be included for the same (ii) Chlorine gas will be supplied in 100 Kg cylinders only

Supply only Alum (Crystal type) all as directed

Supply only stable bleaching powder(SBP) (Calcium hypochlorite) Grade 1, Availability Chlorine 34% Min, Stability 1/15 Max , Moisture 0.3% Max , Confirming to IS -1065, in 25 kg bag Make : Lion /Vikram

Supply only CHLORINE 65%-70%(Calcium based granular disinfectant for water treatment more stable for water treatment than chlorine gas and stronger than bleaching powder and sodium hypochlorite) in 45 Kg drums complete all as specified and as directed. Make: Any make approved by E-in-C branch and as approved by GE

Supply only PAC (Poly Aluminium Chloride) Min 90 % purity Make: Any make approved by E-in-C branch and as approved by GE

Supply and replace spare parts for chloronorm plant gravity feed as per sample including the taking down the unserviceable spare parts of the Chlorination plant complete all as directed

Panel connecting copper tube set

Pressure releasing valve (diaphragm primary)

Primary filter PV 01

Supply and replace PVC Pipe of High Grade Flexible type of 20mm for Chlorine gas outlet pipe complete all as directed.

Supply and replace PVC Pipe of medium Grade Flexible type of 20 mm for priming outlet pipe complete all as directed.

Supply, fixing and testing of soft starter 415 Volts suitable for Pump of capacity 70 hp in existing LT panel with necessary fixing arrangements including taking down existing unserviceable complete all as specified and as directed by Engr-in-Charge

M & L Preparation of old steel Pipes of dia 80 mm to 100 mm , over 10 cm in width or girth, not otherwise described and applying one coat of synthetic enamel paint complete all as specified and as directed.

M & L Preparation of old steel Pipes of dia 150 mm to 200 mm , over 10 cm in width or girth, not otherwise described and applying one coat of synthetic enamel paint complete all as specified and as directed.

M & L Preparation of old steel Pipes of dia 250 mm to 300 mm , over 10 cm in width or girth, not otherwise described and applying one coat of synthetic enamel paint complete all as specified and as directed.

M & L Preparation of old steel Pipes of dia 400 mm to 450 mm , over 10 cm in width or girth, not otherwise described and applying one coat of synthetic enamel paint complete all as specified and as directed.

M&L for preparation and applying spray painting of existing colour for electric driven pumpset of 10 HP capacity complete all as specified and directed by Engineer - in - Charge.

All as per Sl. item No. 53 above but of 12.5 to 40 HP capacity

All as per Sl. item No. 53 above but of 50 to 100 HP capacity

All as per Sl. item No. 53 above but of 120 to 170 HP capacity

Supply and fixing CI sluice valve PN 1.6 conforming to IS 14846 flanged end with iron wheel head, stainless steel spindle, flange joints and including necessary nuts, bolts, washers, rubber washer etc, and taking down old sluice valve of size 300 mm dia complete all as specified and directed by Engr-in-Charge:-

All as per Sl. item No. 57 above but of size 150 mm bore

All as per Sl. item No. 57 above but of size 150 mm bore

All as per Sl. item No. 57 above but of size 100 mm bore

Supply and replacement of Cast Iron Non return Valve with by pass arrangement with necessary rubber gasket, bolts, nuts and washers for sizes 200 mm bore complete all as specified and directed by Engr-in-charge:-

All as per Sl. item No. 61 of sizes 150 mm bore

All as per Sl. item No. 61 of sizes 100 mm bore

Supply and replacement of CI foot valve 250 mm bore complete all as specified and directed by Engr-in-Charge.

All as per Sl. item No. 64 above but 200 mm bore.

All as per Sl. item No. 64 above but 150 mm bore.

Supply and replace industrial corrosion proof LED flood light fitting of 200 Watt capacity with IP66 protection including electronic driver and accessories suitable for pole including GI bracket made of 40 mm gia Gi pipe light grade of length not less than 1.2 metre bend to shape as required including connecting up with twin core twisted flexible copper conductor cable with suitable size, necessary MS clamps, bolts, nuts, duly painted with 2 coats of synthetic enamel paint over a coat of primer complete all as specified and directed by Engineer-in-charge. Make: Surya Roshni or its equivalent in Philips/ Havells India Ltd/ Wipro/Bajaj.

Supply and replace Bottom / Top half casings for Horizontal split casing double stage pump of ( size 170 HP) with connecting fasteners to both half's, the spare should be 100% suitable to the existing pump, materials of construction is as per the original equipment Manufacturers ( Kirloskar brothers Limited), Notes:- Rate quoted is deemed to be inclusive of the following:- (a) Materials test certificate, Hydraulic pressure certificate, Fitment certificate etc., shall be obtained and submitted. (b) M&L for removing the existing pump from the base plate, disconnecting all inlet and outlet pipe lines, Opening of the top casing and removal of the rotating unit from the pump and refixing the unit in to the new top and Bottom casings, connecting back all suction and delivery pipe connections alignment and trail run as directed by Engineer- in -charge.

Supply and replace LED tube light fitting alongwith with fixture 18 Watts complete all as specified and directed. Make: Havells or its equivalent in Surya Roshni/ Philips/ Bajaj/ Wipro / GE

Servicing of soft starter 415 Volts suitable off size of different capacity installed at various location, dismantling the existing soft starter, servicing the same, replacing the defective spare parts and refixing it at the original place all as specified and as directed by Engr-in-Charge

MVV Prasad

M/S CHANDRA ENGINEERS AND CONTRACTORS

lakshmi Engineering Works

GVR CONSTRUCTIONS

LAKSHMI SAI CONSTRUCTIONS

M/S SRI VENKATA BHAVANI CONSTRUCTIONS

GS ENGINEERS