REPAIRS /MAINTENANCE OF PUMP , MOTORS , STARTERS , ETC AND OTHER CONNECTED ITEMS OF PUMP HOUSES AT NAA UNDER GE (N) TEZPUR

Amount

Note 1: (Applicable for all parts/items) : The bidders/contractors are advised to read tender document, all drawings & all corrigendum/amendments and general condition of contracts before entry/quoting the rates. Note 2:- Attention to bidder is hereby invited to upload revised BOQ if published during their bid submission. Uploading of incorrect/ pre-revised BOQ shall be treated as non bonafide and rejected. Fixed credit has been given in technical documents which shall be taken into account during acceptance of bid/tender.

M&L for lifting of defective submersible pump motor set of any size from bore wells including dismantling and taking out column pipes of any size & length alongwith submersible cable, nut&bolts etc; and lowering the pump set after carrying out necessary repairs / replacement of defective parts all as specified and directed. Note : (i) Spares for repairs/rewinding of pump and motor will be measured and paid separately. (ii) Costs of all necessary Lath work & T&P required at site and transportation is deemed to be included in the rates quoted.

M&L for rewinding of submersible motors AC, 3 phase, 440 volt with superior quality PVC insulated copper submersible winding wire of identical gauge and specification of the existing winding wires with all necessary insulating materials including one coat of water proof epoxy paint to the exteriors of motor and testing complete all as specified of following capacities :-

Note:- Any spares other than specified in the item will be measured and paid separately.

Supply only in repair of motor bush upper and lower suitable for submersible motor of any size / capacity capacity :-

Supply only in repair rotor bearing sleeve upper and lower suitable for submersible motor of any size / capacity all as specified and directed.

Supply only in repair sand guard suitable for submersible pump set any size/capacity all as specified and directed.

Supply only in repair of submersible motor thrust plate assembly complete suitable for :-

Supply and fixing motor coupler sleeve with key suitable for submersible pump sets of any size/capacity.

M&L for carrying out repair to submersible pump after dismantling the assembly complete for replacement of worn out spares such as stage bowls, impellers, pump shaft, sleeves, bushes etc; including filling, turning & polishing works to pump shaft, GM impellers if necessary, reassembling the pump after repairs and testing complete including applying a coat of water proof epoxy paint to the external surfaces of pump all as specified and directed of following capacity :- (Note : Any spares requires to be replaced will be measured and paid separately).

Supply in replacement GM impellers for submersible pump with key and bushes suitable for :-

Supply in replacement Pump Shaft steel for submersible pump suitable for :-

Supply in replacement Bearing bush for submersible pump suitable for :-

Supply in replacement CI bowl assembly for submersible pump suitable for :-

Supply in replacement Neck rings for pump sets of any size/capacity all as specified and directed.

Supply in replacement Distance sleeve suitable for pump sets of any size/capacity all as specified and directed.

Dismantling of unserviceable centrifugal pump motor sets of any size/ capacity after disconnecting electric and water connections and transportation from site to work shop and back for carrying out repairs work, replacement of unsv parts with new part as required incluidng re-fixing in position and connecting and testing complete as directed.

M&L for opening up unserviceable electric induction motor, 3 phase AC 440 Volts, cutting and removing the burnt winding coils complete and re-winding the same with super enamelled copper conductor wires of appropriate size as per the existing gauge all necessary insulating materials, varnishing, dryining etc including refixing in position , connecting and testing complete all as specified and directed at site for the following capacity :-

S/F in repair terminal in connector for motors of the following capacity

S/F in repair PVC fan blade for motors of the following capacity.

S/F in repair/Replacement of pump end ball bearing suitable for following capacity.

Dismantling of transmission shaft of pump, buildingup wornout metal to required level, machining to the under size on lathe machine, grinding and finishing to required size to match the sleeve, and fixing into the housing, alignment and check with dial gauge indicator complete all as directed by Engr-in-charge for following capacities:

Supply and fix in replacement of split rubber coupling pad suitable for following capacities of pump sets:

Replacement of ball bearings DE suitable for any size/capacity make: NBC/SKF

Supply only steel wire rope (SWR) 10 mm dia with PVC coated complete all as specified and directed.

Supply only submersible cable 3 core flat cable copper conductor of following size, ISI marked, Conf to IS Make : Finolex/Havells

(a) submersible cable 16 sqmm .

(a) submersible cable 6 sqmm .

M&L for water proof cable jointing kit with hardner compound complete suitable for submersible cable PVC insulated and sheathed, 10/16 Sqmm flat, 3 core, 1100 volt grade complete all as specified and directed.

M & L for glow sign board for E/M installation cubical type of size approx 16 ft x 2 ft x 1/2ft (as per existing) made up of PGI sheet covered from all three side and front side provided with aclyric sheet of min 4 mm thick of white colour with letter writing with blue colour including providing 02 Nos LED tube light of 18W each with all electric connection and minor structural frame fabrication complete all as specified and directed by E-in-charge. Note:- Matter to be written on glow sign board to be obtain from EIC before placing the order for fabrication of board.

S&F MS reducer socket of size 100 mm x 80 mm dia having internal thread on 100 mm side and external thread on 80 mm side. complete all as directed and specified by EIC.

S&F MS reducer socket of size 100 mm x 50 mm dia having internal thread on 100 mm side and external thread on 50 mm side. complete all as directed and specified by EIC.

S&F MS reducer socket of size 80 mm x 50 mm dia having internal thread on 80 mm side and external thread on 50 mm side. complete all as directed and specified by EIC.

Supply and fixing sluice valve class PN 1.6 with brass spindle, gasket, bolts, nuts and washers in position of 150mm bore in valve pit chambers or near to bore well all as specified and directed by Engr-in-charge.

Supply and fixing sluice valve class PN 1.6 with brass spindle, gasket bolts, nuts and washers in position of 100mm bore in valve pit chambers or near to bore well all as specified and directed by Engr-in-charge.

Supply and fix water level indicator made of aluminium base, marked with white Radium paint connected with steel wire rope 4 mm dia to counter weight showing level of water containing in tank including 8" dia brass float ball , and greasing of revolving pully of as per site requirement and fixed to pillar of water tank complete all as specified and directed by Engr-in-Charge.

M&L for rubber gasket packing, 4mm thick suitable for 80/ 100 mm dia flanged column pipes complete all as specified.

M&L for MS hexagonal nut and bolt with of size 12mm dia 80mm long , two Nos heavy duty with spring washer all as specified and directed.

Supply and fixing of MCCB, 4 pole, 415 volt, 125 Amps capacity with ruptring capacity 36 KA, adjustable with electro-magnetic tripping system against over load and short circuit conditions incl taking down of old unsv MCCB from the existing panel complete all as specified and directed. Make :- L&T or equivalent in Seimens/legrand.

Supply and fixing of MCCB, TPN, 415 volt, 63 Amps capacity with rupturing capacity 18 KA, adjustable with electro-magnetic tripping system against over load and short circuit conditions incl taking down of old unsv MCCB from the existing panel complete all as all as specified and directed. Make :- L&T Cat Part No.CM90677OOLO or equivalent in Seimens/legrand.

S&F submersible pump controller fully automatic star delta starter, 25 HP capacity , 3 phase 440 volt in sheetmetal enclosure complete with over load protection with adjustable relay, electronic timer relay and including provision of MS flat strips of suitable size and shape duly drilled for fixed to wall including its connection complete all as specified. Make : L&T or equivallent in SEIMENS / Legrand.

S&F submersible pump controller automatic star delta starter, 20 HP capacity , 3 phase 440 volt in sheetmetal enclosure complete with over load protection with adjustable relay, electronic timer relay and including provision of MS flat strips of suitable size and shape duly drilled for fixed to wall including its connection complete all as specified. Make : L&T or equivallent in SEIMENS / Legrand.

S&F submersible pump controller automatic star delta starter, 15 HP capacity , 3 phase 440 volt in sheetmetal enclosure complete with over load protection with adjustable relay, electronic timer relay and including provision of MS flat strips of suitable size and shape duly drilled for fixed to wall including its connection complete all as specified. Make : L&T or equivallent in SEIMENS / Legrand.

S&F submersible pump controller automatic star delta starter, 10 HP capacity , 3 phase 440 volt in sheetmetal enclosure complete with over load protection with adjustable relay, electronic timer relay and including provision of MS flat strips of suitable size and shape duly drilled for fixed to wall including its connection complete all as specified. Make : L&T or equivallent in SEIMENS / Legrand.

S&F submersible pump controller DOL starter suitable for capacity up to 2/3 HP pump motor set , single phase 230 volt , relay range 11-18 Amp , in sheetmetal enclosure complete including provision of MS flat strips of suitable size and shape duly drilled for fixed to wall including its connection complete all as specified. Make : L&T or equivallent in SEIMENS / Legrand.

M&L for MS Column pipe 100 mm nominal bore, heavy duty, in 3 mtr length with MS flanges screwed and welded both ends, flanges fabricated with 12 mm thick MS plate with 2 Nos slots of 30x15 mm cut on each sides for drawing of submersible cables, 4 Nos MS ribs of 6 mm thick for each flanges welded to the pipe as reinforcement complete all as specified and directed.

M&L for MS Column pipe 80 mm nominal bore, heavy duty in 3 mtr length with MS flanges screwed and welded both ends, flanges fabricated from 12mm thick MS plate with 2 Nos slots of 30x15 mm cut on each sides for drawing of submersible cables, 4 Nos MS ribs of 6 mm thick for each flanges welded to the pipe as reinforcement complete all as specified and directed.

S&F PVC insulated and sheathed cable, with multi-stranded copper conductor , 3 core, of 1100 volts grade and size 4 sq mm. Make : Havells/Polycab/Finolex

S&F PVC insulated and sheathed cable, with multi-stranded copper conductor , 3 core, of 1100 volts grade and size 6 sq mm. Make : Havells/Polycab/Finolex

Supply, fabrication and fixing MS clamps suitable for 100/80 mm dia pipe 10 mm thick and 55 cm long including drilling of 16 mm dia holes 4 Nos each complete all as specified and directed.

Materials and Labour for opening up stuffing box of cast iron sluice valve in position, repaire /replacement of gland packing, nuts, bolts and washers etc with existing size complete all as directed for the following sizes :-

(a) 200 mm Bore

(b) 150 mm Bore

(c) 100 mm Bore

(d) 80 mm Bore

M & L for maching and cutting etc of stainless steel spindle with check nut (as per sample) suitable complete all as specified and directed for following size of sluice valve.

(a) 200 mm dia

(b) 150 mm dia

(c) 100 mm dia

(d) 80 mm dia

M & L for maching and cutting etc of stainless steel gun metal check nut (as per sample) with inner threads suitable complete all as specified and directed for following size of sluice valve.

(a) 200 mm dia

(b) 150 mm dia

(c) 100 mm dia

(d) 80 mm dia

M & L for Earthing complete with galvanized steel earth plate electrode 60 cm x 60cm x 6.0 mm thick buried directly in ground ( earth pit not less than 3.0 meter deep below ground level) with the top edge of the earth plate not less than 2.25 meter below normal ground level connected to galvanized earth strip of 32 x 6 mm dia by means of bolts, nuts, check nuts and washer of galvanized iron or of steel all as shown in electrical plate No.5 of MES SSR parts-I and including excavation & earth work in any type of soil , disposal of soil , providing alternate layers of charcoal and common salt,removing of excavated soil and refilling the pit with argicultur soil free from stones etc to be brought from out side defence land (since resitivity of soil is high), construction of PCC earth chamber in mix 1:3:6 type c-1 with 40 mm thick RCC 1:2:4 type B-J cover reinforced with 8mm dia MS bars both ways with lift hook made out of 8 mm dia bar, watering arrangement with funnel and wiremesh and watering pipe of 40mm dia GI light grade and 40mm dia light grade pipe for earth lead protection and testing on completion, complete all as specified and directed. NOTE:- 1. The unit rate includes for protection GI pipe and watering pipe of 40 mm bore including excavation for earth pit in any type of soil/ disintegrate rock. 2. Contractor has to bring agriculture soil from outside of defence land and fill in earth pit to achieve desired result as the soil resistiviy is very high. 3.The cost of GI strip of size 32 X 6 mm from top of earth plate upto 7.5 meter above ground level is deemed to be included in the unit rate of above item. 4. All the joints in GI strip and connection with Earth Plate to be welded and in addition by proving brass nut bolt and washer. 5. Cost of welding and nut bolts are deemed to be included in the unit rate. 6. Contractor has to dispose off the excavated soil retived from earth pit at place away as directed by EIC.

Supply,installation,testing and commissioning 3 phase and neutral , 415 volts out door type , CPRI approved, factory made free standing , floor mounting ,dust and vermin proof, cubical type LT panel of size 0.6 mtr x 0.6 mtr x 0.45 mtr (suitable for fixing of pump starters) fabricated from 3.15 mm thick CRCA sheet for outer shell and 2.0 mm for inner shell, with angle iron frame of 50 x 50 x 6 mm , double door , front and back openable type, double door system, hinged opening , rubber lining,locking arrangement,with anticorrosive coating and finally epoxy polyester power coating with pure polyster Siemens grey structural RAL-7032 shade , protection class IP-54 fully compartmentalize design with 4 nos of bus bar made of copper of ETP grade suitable for 200 Amps ( Size of copper strip should not be less than 50 x 5 mm for each phase and neutral) pre-wired with suitable size of copper strip/ copper wire with colour code for connecting out going MCCB/ MCB`s, including suitable aluminium earth strips conforming to IS with danger notice plate , necessary cable glands , cable connection with proper lugs ,PCC foundation and pedestal for fixing piller feeder box / LT Panel with PCC 1:5:10 , 15 cm thick in foundation , brick (Fly ash) / PCC block work in CM 1:6 , rendering 1:6 on exposed surface and 100 mm thick PCC 1:3:6 type C1 using 20 mm graded stone aggregate as in padding on top and grouting bolts etc for panel. The plateform shall be of 450 mm height above ground level all as specified with supply and fixing the following. (A) Incoming (i) MCCB 63 Amps rating, 4 pole ,C-curve ,415 V, AC, 50 HZ - 1 no (ii) Digital Ammeter---01 Nos with Suitable CT and wiring. (iii) Digital Voltmeter - 01 No (iv) Three indication lamp (v) Neon type for three phase. (B) Outgoing (i) MCCB 32 Amps rating, 4 pole ,C-curve ,415 V, AC, 50 HZ,-1 no (ii) MCCB 20 Amp rating, 4 pole ,C-curve ,415 V, AC, 50 HZ, -1 no

Supply and Fixing LED flood light Luminare 100 Watt with ultra sleek light weight and with secondary optic, made out of pressure die cast housing with IP 66 protection make Bajaj or equivalent of /GE/Wipro/Havell's/C&S.All as specifiedand directed.

Supply and Fixing LED flood light Luminare 60 Watt with ultra sleek light weight and with secondary optic, made out of pressure die cast housing with IP 66 protection make Bajaj or equivalent of /GE/Wipro/Havell's/C&S.All as specifiedand directed.

S & F motor soft starter with advanced protection system , under voltage / over voltage protection , full graphical display of capacity up to 30 kW. Make L & T CSXi-41 or in C&S etc.

S & F on load change over switch-disconnector (as per sample , recommended by EIC) , 415 volt AC , 50/60 Hz , 4 P rated conforms to IS/IEC 60947-3 , current capacity up to 315 Amp all as dircted by EIC . Make:- C&S/ L&T

M & L for cement concrete in foundation, filling and mass concrete type B2 1:2:4 (20 mm graded aggregate) for making good the road cutting areas and installations hard surface .

MD. LATIFUL AHMED HUSSAIN