PREVENTIVE MAINTENANCE TO BOOSTERS AND TUBEWELL PUMPSETS WITH CONNECTED ITEMS IN SECTOR A B UNDER GE UTILITY AMBALA CANTT

Amount

Dismantling centrifugal induction motor from foundation and transport to work shop for rewinding after taking out burnt winding wire from motor of capacity 40/50 HP three phase , rewinding with copper wire of suitable gauge or as per existing gauge complete including all required insulation material and transport back to site after testing and commisioning complete all as specified and directed by Engineer in charge. Note : (a) Before installtion of motor, motor shall be tested with on load and off load. It shall be free from vibration. If motor found unsatisfactory no payment shall be allowed to the contractor due to above defects. (b) Necessary thimbles, lugs, insulation tape, nut bolts and all items required for installation of motor at site will be included in the rate quoted by the contractor. No extra payment will be done to contractor. (c) After dismantling of induction motor, PCC foundation to be repair and Angle iron base framewill be refixed and if found worn out/deformed it shall be replaced with new angle iron frame of existing size and new frame will be paid separately.

Description all as per srl item No 1.00 here in before but of capacity 30 HP

Description all as per srl item No 1.00 here in before but of capacity upto 20 HP

Material and labour in replacement of nut-bolts any size all as specified and directed by the Engr-in-Charge.

M&L in replacement of old wornout/deformed base frame of centifugal pump set made out of angle iron of size 50x50x6mm or medium channels of size MC-100 including cutting, drilling hole or welding work required to make desired shape or existing size duly paint with one coat of primer red oxide and two coat of synthetic enamel paint all as specified and directed by the Engr-in-Charge. Note: The base frame should be grouted complete in PCC foundation and should be taken necessary bearing strength before installation of induction motor.

Material & labour in replacement of ball bearing of the induction motor of size/No. 6215 or as per existing/suitable size complete. Note for item No 6.00 & 7.00:- a) The rate of dismantling and refixing of motor from pump with complete accessories deemed to be included in the same item. b) The alingnment of shaft should be checked during installation of motor with pump in all respect. The contractor will bear the cost of repair in case of failure in motor occurs due to misalingment and no extra payment will be paid to contractor.

Description all as per srl item No 6.00 here in before but of size/No. 6310ZZ or as per existing/suitable size complete.

Supply and fix in replacement of Cast iron sluice valve 150 mm dia, flanged ends, stem (spindle) of SS (forged) and check nut of gun Metal, PN rating 1.6, working parts conforming to IS :14846, and flanged ends having drilling as per IS:1538 including taking down old unserviceable sluice valve complete all as specified and directed by Engr-in-Charge.

Description all as per srl item No 8.00 here in before but of size 100 mm dia.

Repacking, stuffing box of sluice valve spindle including taking apart and reassembling of Sluice valve of size 80 to 150mm bore size all as specified and directed by the Engr-in-Charge.

Taking out sluice valves refacing, regrinding and refixing including replacement of spindle, check nut complete assembly and to make serviceable of size 80 to 150mm bore all as specified and directed by the Engr-in-Charge.

Supply and fix in replacement of NRV with flanged ends, nut-bolts and rubber gasket suitable for pipe of size 150 mm dia including taking out the unserviceable non return valve from the pipe line complete all as specified and directed by Eng-in-Charge.

Description all as per srl item No 12.00 here in before but of size 100 mm dia.

Supply and fix in replacement Foot valve with flanged ends, nut-bolts and rubber gasket suitable for pipe of size 100 mm dia including taking out the unserviceable foot valve from the pipe line complete all as specified and directed by Eng-in-Charge.

M& L in replacement of the unserviceable contactor 3 pole of AC3 rating upto 50 Amp or as per existing rating and 220 V/415V coil rating complete with all new wiring including thimbles and lugs,nuts and screws all as specified by Engr-in-charge.

M& L in replacement of the unserviceable contactor 3 pole of AC3 rating upto 32 Amp or as per existing rating and 220 V/415V coil rating complete with all new wiring including thimbles and lugs,nuts and screws all as specified by Engr-in-charge.

M& L in replacement of the unserviceable contactor 3 pole of AC3 rating upto 70 Amp or as per existing rating and 220 V/415V coil rating complete with all new wiring including thimbles and lugs,nuts and screws all as specified by Engr-in-charge.

M&L in replacement of the unserviceable timer switch suitable for 240/415 Volts 3-30 Sec, 50 Hz complete all as specified by Engr-in-charge.

Material and labour against replacement of worn out / defective thermal overload relay with range 45-75 Amps 415 V, 50 Hz,complete all as specified and directed by Engr-in-Charge.

M&L for attending any type pump/motor/LT panels/Starters complaint at Boosters and rectify the same, rates are also included for replacement of suitable thimbles any type and any size with nut-bolts, Al/Cu busbar of existing/suitable size, cable jointing with tap and multistrand copper cable piece upto size 35 sqmm upto 2mtr length , gland packing, greasing in pumps/valves with all connected items all as specified and directed by Engr-in-Charge. Note: Complaint should be rectify within 06 Hrs otherwise a penalty of 500 Rs per day will be imposed.

Complete removal of the wild grass/ vegetation from surrounding area of OHTs, Tubeswells/Boosters, installations area and making the surface clear and plain and spraying roundup chemical on the same clean area as directed after removing and depositing the same at a distance not less than 50 mtr away from the site complete all as specified. Note- T&P will be provided by the contractor.

Supply and laying GI pipe light grade of size 50mm with necessary excavtion and fitting required as in protection pipe for cable to pass under road, trench to the panels by taking down the cable connection properly and making the surface good after laying the pipe and reconnecting the electric connections complete all as specified and directed.

Supplying, laying, jointing and testing in replacement of existing size with pre-insulated multi strand copper conductor flat of size 25 sqmm, 3 core submersible cable and connected with suitable and required thimbles, nut bolts to panels and Booster pump complete all as directed.

Demolition of Cement Concrete(unreinforced) in ground floors and pavings n exc 15 cm thickness (below or above ground level) or under the over head tank/road cutting etc complete all as specified and directed.

M&L broken stone or boulders hardcore of gauge n exc. 63 mm, deposited, spread and levelled in layers n exc. 15 cm thick, watered and rammed to a true surface all specified and directed.

M & L for 75 mm thick PCC 1:4:8 type D2 (using 40 mm graded crushed stone aggregate) as in path,paving etc finished even and smooth using extra cement complete all as specified and directed by Engr-in-charge.

Taking down the unserviceable water level indicator with complete accessories like wire rope etc from the over head reservoir complete all as specified.

Material and labour for fabrication of the water level indicator frame made out of MS sheet 2 mm thick of size 1'x12' and hollow ms bar/angle iron 50x50x6 mm including all fixing arrangement incl painting two coat of synthetic enamelled paint over a coat of red oxide primer incl level marking and fixing complete all as specified and directed.

Supply and fixing steel wire rope of size 6 mm dia of best quality(20 mtr length) for fixing of water level indicator, pulley and complete fixing arrangement of 350 mm steel float valve incl testing of valve complete all as specified and directed. Note: (i) All tools and plant, scaffolding shall be made available by the contractor and nothing extra shall be paid. (ii) The contractor shall submit the certificate of insurance of staff working on OHT before starting the work. The department will not be liable for any mishappening or accident occurs during the course of work.

Supply, installation, commissioning in replacement of Busbar panel outdoor type with locking arrangement MS sheet covering 3.15 mm thick pedestal mounted vermin and weatherproof including four legs 60 cm long of angle iron 40x40x6mm, front openable door having canopy for protection all surfaces painted with powder coated painting and embedding including 250 Amp rated aluminium bus bars 6 Nos in vertical position duly drilled for making connection with nut bolts of suitable size with colour code tape complete with PCC 1:3:6 type C1 using 20 mm graded aggregate for foundation for legs and dry 63mm aggregate of 75mm thickness around the panel upto 6 sqft after make good electrical connection as specified by EIC. Note: The rate are included with thimbles lugs, nut bolts,PCC foundation and aggregate.

Material & labour for dismantling, opening & rewinding of 3 phase 415 volts electric motor of capacity 3 to 5 HP with super enamelled copper winding wire as per existing gauge, cotton tape, leatherised strips, varnish, complete including testing after installation at site complete all as directed by Engineer-in-charge.

Supply and fix in replacement MCCB TPN , 16 KA breaking capacity, 100 Amp adjustable thermal and adjustable magnetic setting including suitable thimble nut bolt and washers complete all as specified and directed.Make as per existing or as approved by GE.

Supply and fix in replacement MCCB TPN , 36 KA breaking capacity, 160 Amp adjustable thermal and adjustable magnetic setting including suitable thimble nut bolt and washers complete all as specified and directed.Make as per existing or as approved by GE.

Supply and fix in replacement MCCB TPN , 25 KA breaking capacity, 200 Amp adjustable thermal and adjustable magnetic setting including suitable thimble nut bolt and washers complete all as specified and directed.Make as per existing or as approved by GE.

Supply and fix in replacement MCCB TPN , 25 KA breaking capacity,400 Amp adjustable thermal and adjustable magnetic setting including suitable thimble nut bolt and washers complete all as specified and directed.Make as per existing or as approved by GE.

Dismantling and taking down old u/s earthing and material and labour for earthing complete with galvanised earth plate electrode 600mm x 600mmx 6.00mm thick surrounded by charcoal and salt, buried directly in ground vertically in a pit of depth not less than 2.25m below ground level with top edge of the earth plate not less than 1.5m below normal ground level, connected to 25x4 mm GI strip earth lead by means of bolts, nuts, checks nut and washers made out of galvanized iron or steel, earth wire protected by galvanized steel pipe 40mm bore (light grade) and connected to main switch or main control board all as shown in electrical plate No.3 of SSR Part-I & including necessary excavation and earth work. The rate also include charcoal & salt in alternate layers, 20mm bore GI pipe (light grade) for watering and 40mm bore GI protection pipe, funnel, wire mesh, cast iron cover and frame etc, complete, all as specified or indicated and as directed including testing on completion complete all as specified and directed. Note : The quoted rate shall include the cost of earth work, GI pipe for watering, GI protection pipe, funnel, wire mesh, RCC cover, etc. complete. RCC cover shall be 50mm thick in 1:2:4 type B-1 using 8mm bars @10cm c/c both way. Note:- Earthing shall be tested after execution. Payment shall only be made after satisfactory result.

Supply and fix thimble copper/brass eye type suitable for cable upto 70sqmm including necessary crimping with crimping tool complete all as specified and directed .

Supply, installation, commissioning pillar box outdoor type IP 66 protection fabricated out of CRCA sheet and thickness not less than 3.15 mm powder coated and angle iron of size 40x40x6mm legs grouted in PCC 1:2:4 Type B-1 prewired from CPRI approved manufacturer complete with Bus bar three phase and neutral of suitable size for 200 Amps rating.

S & F in replacement of automatic star delta starter with single phase preventer,RYB indicator,voltmeter and ammeter 415 volt 3 phase suitable for 50 HP motor complete all as specified and directed.

Excavation in trenches not exceeding 1.5m in wide and not exceeding 1.5 m in depth for laying of pipe etc and getting out in soft soil, complete all as specified and directed.

Returning, filling in including spreading leveling watering and well ramming in layers not exc. 25 cm thick complete all as specified and directed.(Surplus soil if any shall not be removed but left over the trench)

Removing surplus soil to a distance not exc. 50 M and depositing where directed at a level not exceeding 1.5 Mtr above the starting point complete all as specified and directed.

M & L for sand cushioning with clean dry sand to cables with layer of sand 8 cm thick before laying of cable and 15 cm thick after laying of cable complete all as specified. Note : For payment purpose punned thickness of 18 cm shall be measured against spread thickness of 23 cm as mentioned in para 19.75 of SSR part-I.

M & L providing PCC cable cover class LV type-I of size 250x150x40mm laid in perpendicular to the cable abutting each other all as specified and directed at site.

Supply & laying in replacement of existing unserviceable XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volt grade of cross sectional area 95 Sqmm 3.5 Core complete all as specified and directed.

Supply & laying in replacement of existing unserviceable XLPE insulated, armoured heavy duty electric cable with aluminium conductor, 1100 volt grade of cross sectional area 70 Sqmm 3.5 Core complete all as specified and directed.

Taking down UG cable of any size complete all as specified and directed.

S & F in replacement of on load change switch over 3 phase and neutral of 200 Amp, 415 Volts, Front handle type complete all as specified and directed.

S & F in replacement of on load change over 3 phase and neutral of 400 Amp, 415 Volts, Front handle type complete all as specified and directed.

M & L for painting of inlet and out let pipe from booster to pump and pump to booster as per IS colour coding with prime coat and prepration coat on old painted surfaces complete all as specified and directed.

Supply and fix in replacement MCCB TPN, 4 Pole 16 KA breaking capacity, 125 Amp adjustable thermal and adjustable magnetic setting including suitable thimble nut bolt and washers complete all as specified and directed.Make as per existing or as approved by GE.

Supply and fix in replacement MCCB TPN 4 Pole, 16 KA breaking capacity, 250 Amp adjustable thermal and adjustable magnetic setting including suitable thimble nut bolt and washers complete all as specified and directed.Make as per existing or as approved by GE.

Supplying, laying, jointing and testing in replacement of existing size with PVC insulated multi strand copper conductor cable flat type of size 16 sqmm, 3 core submersible cable and connected with suitable and required thimbles and nut bolts to panels and Booster pump complete all as directed.

Supplying, laying, jointing and testing in replacement of existing size with PVC insulated multi strand copper conductor cable flat type of size 10 sqmm, 3 core submersible cable and connected with suitable and required thimbles and nut bolts to panels and Booster pump complete all as directed.

Takingout of submersible pump set along with column pipe flanged type 100 mm bore with 2 nos submersible cable from bore hole from tube well with the help of chain pulley block or tripod located in different location by dismantling nut bolts and rubber gaskets and lowering down the same by refixing nuts, bolts and new rubber gaskets complete all as specified and directed by Engineer in charge.

Shifting of repairable submersible pump with motor to workshop ,taking out burnt winding wire from submersible motor of capacity upto 62 HP 3 phase and rewinding with suitable size of copper winding wire including replacement of burnt bushes complete all including insulation material and transportation back to site , testing and commissioning complete all as specified and directed by Engineer in Charge : Note: (i). The any electric fault occur during running of the motor will be detected by the contractor rectification of the fault and rates are deemed to be included in the item. (ii). The submersible motor burnt due to improper cable joint of submersible cable will be beared by the contractor. (iii). The submersible motor burnt due to earth fault due to poor insulated winding will be beared by the contractor. (iv). The cost of 2nd time burnt of the motor due to phase loss, cable fault, or any reason as mention above in Para 2 (i) to 2 (iii) will be bear by the contractor.

Decoupling of centrifugal pump from electric motor, dismantling from the foundation and shifting to local workshop approved by Accpeting Officer for opening the pumps for checking and rectification of defects by welding/threading/cutting/replacing defective parts which shall be measured and paid separately as supply only herein after including transporting back and refixing and testing complete all as specified and directed.

Supply only upper half & Lower half casing with axially split volute design with suction and discharge flanged of existing size of horizontal split casing type centrifugal pump including welding/threading/cutting wherever if required and its studs, nut, bolts, washers, cylindrical pin and gasket etc. NOTE: Contractor shall deposit all the replaced parts to the MES store.

All as per item No. 60 above but CI impeller with bush bed

All as per item No. 60 above but Pump Shaft

All as per item No. 60 above but Wear Ring

All as per item No. 60 above but Shaft Sleeve DE/NDE and its O Ring

All as per item No. 60 above but Gland packing with its studs and Hexa nuts

All as per item No. 60 above but Lentern Rung, Oil seal & O Ring

Note :- Amount of credit of Rs. 86165.00 for retrieved materials is mentioned in Schedule of Credit mentioned in tender documents in pdf form which will be deducted offline while acceptance of tender.

M/S HARCHARAN SINGH

M/s badrinath Traders

Krishana Builders