MANNING AND OPERATION OF DG SET AT JACK WELL NO 2 AT MEGADRIGEDDA AND REPAIRS AND REWINDING OF MOTOR PUMPS AT M GEDDA FILTRATION PLANT 104 BPH MEGRADRIPETA AND NAUSHAKTI VIHAR AND CONNECTED MISC WORKS UNDER AGE E M NO.I OF GE (UTILITY-II) VISAKHAPATA

Amount

Manning and operation of Pump house and DG set at Jack well No 2 round the clock in 3 shifts with One Semi-Skilled Pump operator and one heper per shift of 08 hours including sunday/ holiday all as specified and directed .

List of Plants to be operated are as under:- (i) VT Pumps up to 50 HP - 2 Nos and 30 HP -01 Nos (ii) DG Set 125 KVA - 1 No

Note:- (a) The Megadrigedda water supply installtion is situated13 KM (Appx) away from the city and further jack well No.2 is located 1.5 KM (Appx) from Megadhrigedda pump house.

b) Diesel shall be issued by Department as and when required. Contractor shall have to intimate minimum 03 days in advance for issue of diesel.

c) The operator shall be alert to run the DG sets within 5 minutes of supply failure and ensure the operation of DG set every day.

d) The quoated rate is also inclusive of the following:-

i) Topping up/Changing of Engine oil as and when required.

iii) Repair/ maintenance / recharging/ reconditioning of batteries

(iv) Supply and filling of distilled water / electrolyte to batteries /radiator as and when required

(v) Before commencement of work the contractor shall submit the list of manpower to be employed as per requiste qualifications specified in particular specification for approval of GE duly recomended by Engineer-in- charge. (vi) The installation/plant room should be maintained neat and clean.

Taking down existing electric motor 3 phase 415V 50 cycles AC from foundations bed/coupling opening the motor cutting taking to workshop and removing the burnt windings cleaning the stator and rotor with cleaning agent rewinding the motor with appropriate gauge of super enameled 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 relavent item of Sch 'A'

up to 7.5 HP Capacity

10 to 15 HP Capacity

20 to 40 HP Capacity

50 to 75 HP Capacity

120 HP Capacity

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 stes :-

Note : Bearings shall be measured and paid separately under relavent item of Sch 'A'

up to 7.5 HP Capacity

10 to 15 HP Capacity

20 to 40 HP Capacity

50 to 75 HP Capacity

120 HP Capacity

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 couping and foundation bolts etc.dismantling the complete pump and separete the serviceable and unsreviceble parts.Replace the unserviceble 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 impller nut, keys, lock washer, gasket and greasing, reassembling coupling in position testing and commissioning in the pumpset up to satisfaction level complete all as directed

Note : Spare parts shall be measured and paid separately under relevent items of this schedule

170 HP Pump Set

150 HP Pump Set

120 HP Pump Set

75 to 100 HP Pump Set

50 to 60 HP Pump Set

30 to 40 HP Pump Set

12.5 to 20 HP pump set

7.5b to 10 HP pump set

up to 5 HP pump set

Supply and fix 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 :-

10 to 15 HP Capacity

20 to 30 HP Capacity

40 to 75 HP Capacity

100 to 170 HP Capacity

Supply and fix terminal block of 6 terminals of motor for 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 relevent items complete all as directed :

up to 10 HP Capacity

15to 30 HP Capacity

40 to 75 HP Capacity

100 to 120 HP Capacity

150 HP Capacity

170 HP Capacity

Tapper roller bearing suitable for 60 HP to 90 HP Capacity

Tapper roller bearing suitable for 100 HP to 120 HP Capacity

Tapper roller bearing suitable for 150 HP Capacity

Tpper roller bearing suitable for 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 up to and including 5 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 7.5 to 10 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 15 HP to 20HP 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 30 to 40 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 50 to 75 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 120 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 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 identifiying the defects and replacing the warnout parts if required and cleaning and over hauling the pump and testing commiissioning after repairs carry out re erracting complete Pump set for satisfactory performance all as directed Note : Spare parts shall be measured and paid separately under relevent items of this schedule

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

Head shaft

Bearing holder assembly

Head shaft coupling

Stuffing box with bush complete

Line shaft bearing

Damaged column pipe removing and cutting, welding & Threading.

Taking down carefully existing motor and pump set from the unserviciable 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-errecting 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

150 to 170 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

50 to 75 HP Capacity

30 to 40 HP Capacity

M&L for disconnecting / removing the old unservicable starters from the panel and supply and fix DOL starter for AC, 415V 50 Hz 3 phase suitable Up to 10 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 only 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 dircted.

Supply and replace Electronic Timers of Type ET 100, 415 Volts for 9 - 3- Sec all as per directed.

Supply only Rubber sheet of size 3mm / 4mm thick

Supply only Rubber sheet of size 6mm / 8mm thick

Supply and fixing 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 Make: ADVANCE/LEADER

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 speicfied and directed.

Supply and replace power contractor AC 3 phase, 415 volts, 50 Hz , 300 Amps ,2 NO + 2 NC robust and suitable for hostile application and for hostile application and complete all as speicfied and directed.

Supply, fixing, testing star delta soft starter with contactor, 415 Volts suitable for motor of capacity 40 HP including taking down existing unserviceable complete all as specified and as directed.

Supply, fixing, testing star delta soft starter with contactor, 415 Volts suitable for motor of capacity 30 HP including taking down existing unserviceable complete all as specified and as directed.

Disconnect and remove the old unserviceable MCCB,200 Amps and supply and fix MCCB, 3 Pole 200 Amps, breaking capacity 36 KA with continously 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 continously 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 continously 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 continously adjustable electronic release complete all as directed

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

Prasad and Suresh Constructions

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MARINE TECHNICAL SERVICES

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