REPAIR/MAINT OF CENTRIFUGAL SUBMERSIBLE, MONOBLOCK PUMP AND ALLIED WORKS AND SUPPLY OF CHEMICAL FOR WATER TREATMENT OF VARIOUS PUMP HOUSE AT SAA UNDER GE (S) TEZPUR

Amount

Supply and feed of calcium based high strength chlorination chemical for water disinfceant in granular form in factory sealed HDPE container 45 kg drum, chlorine concentratian level 65% to 70% complete all as specified and directed. Note : Items strictly follow below technical specifications:- Test certificate, Date of manufacture and date of expiry to be submitted. Above Item should have manufacuture / packing date not beyound 12 month of procurement date. Technical specification:- AS PER BELOW TABLE :- Characteristic Unit Specification (I) Available Chlorine % by mass, Min 65 (II) Stability LOSS OF 1/15 (III) Partical size (passing through 1.70mm IS sieve) % by mass, Min 99.5 (IV) Water insoluble matter, Max % 6 (V) Calcium Hydroxide, Max % 4 (VI) Sodium Chloride, max % 15

Supply installation testing and commissioning of chlorination chemical dosing system comprised of pressure pump & thermoplastic cylinder shape receptacle with cover of 100 Itrs capacity for power free automatic water sanitiser /conditioning treatment station with proportional dosing arrangement with following attachments:- a)Water inlet regulator b) Overflow vent c) Water outlet regulator(for standalone gravity flow and offline automated gravity flow) (d) Drain valve e) Fluid level. controller f)sludge level gauge g) Station base assembly with station base buffer & multi cavity arrangement h) Station holding assembly j) Refill cavity lids k) Inbuilt level switch and processor 1) Flexible connecting duct Note:- Any addition/alteration required in the existing pipe line or any fittings/fixtures required for connectionof the above item are deemed to be included in this rate.

Supply of chlorine tablets contained in plastic cylinder disposable sanitiser refill (dia 2.5 inches ± 0.5inches height 10 inches+ 0.5 inches) for disinfection of drinking water with arrangement for controlled release of disinfectant in water suitable for operation through dosing system. make. Note:-The product media should have heavy metal contaminants below declibac limits and must pass. the acutetoxicity test(confirm to non toxicityfor mammalian cells) and safe for human health safety point complete all as specified and as directed

Supply and feed Non ferric Alum Commercial to supply drinking water as per standard parameters as specified and dircted by Engineer - In - Charge.

Supply and feed Soda Ash Powder to supply drinking water as per standard parameters as specified and dircted by Engineer - In - Charge.

Supply and feed ferric Alum Commercial (Crystal Alum) for swimming pool as per standard parameters as specified and dircted by Engineer - In - Charge.

Material and labour to lifting and lowering to submersible pump motor set,capacity of motor 7.5 HP to 12.5 HP with column pipe and submersible cable including disconnecting electric connection carefully from panel board, old heavy duty flanged column pipe in 100/80 mm dia, minimum length 30mtrs to as site in 3mtrs pieces, bolts nuts washers, rubber gasket etc with supply and fixing new nutt, bolts, washer, rubber gasket in suitable to 100 mm flange joints etc with all other necessary site required work for making functional to submersible pump motor set. Note:- Quoted rate shall deemed to be included cost of (i) Length of column pipe of required size and quantity of nut, bolts, washers and gasket. (ii) Required tools and plants shall be arrange by contractor. (iii) Repair of motor/pump/submersible cable shall be measured and paid under relevant item of schedule.

All as per item No 7 here-in-before but capacity of motor 15HP to 25 HP

Labour for de-coupling, dismantling the submerseable motor body,capacity of motor 2 to 5 HP 3 Ph, 415 Volt. carefully as GM/Brass impeller, neck ring, bowl assebly, bushes, coupling, lock, sand cap, CI intermediate bowl, S/S pump shaft etc, checking and segregating serviceability, for replacing of defected parts, cleaning thoroughly by approved method of heating, drying, varnishing to winding using good quality of insulating materials, re-assembling testing and commissioning after replacing defected spaires etc complete all as directed. Note :- (i) Replaced spaire parts will be paid separately under relevant item of schedule. (ii) Quoted rate shall be included the cost of re-assembling, marking SM, MES or srl No etc (iii) Transport charges to workshop and return back to site (iii) Repair,servicing, checking, machine work what ever is reqd cutting,grinding, polishing etc other all related site required work.complete all as specified and as directed

All as per item No 9 here-in-before but capacity of motor 7.5 to 12.5 HP 3 Ph, 415 Volt.

All as per item No 9 here-in-before but capacity of motor 15 to 25 HP, 3 Ph, 415 Volt .

M&L for cutting and removing the burnt windings from the Submersible motor body ,capacity of motor 2 to 5 HP 3 Ph, 415 Volt supply and rewinding the same items using existing size /gauge/ qty of insulated supperior quality water proof copper winding wire of suitable size/gauge and nos of turns using insulating materials and submersible copper cable in suitable size required Lenght outside minimum 1.5 Mtrs, re-assembling ,full load testing, heating, drying , varnishing, overhauling,re-installation, commissioning, testing and connecting up complete all as existed.Complete all as specified and as directed. Note:- (i) Necessary testing shall be done by contractor after lowering in borewell at site. (ii) Quoted rate are included cost of cutting, removing, welding of motor body for making functional of pump set.complete all as specified and as directed

All as per item No 12 here-in-before but capacity of motor 7.5 to 12.5 HP, 3 Ph, 415 Volt .

All as per item No 12 here-in-before but capacity of motor 15 to 20 HP, 3 Ph, 415 Volt.

All as per item No 12 here-in-before but capacity of motor 22.5 to 25 HP, 3 Ph, 415 Volt.

Disconnecting only suction and discharge connection of centrifugal pump by de coupling , removing pumps form its existing foundation of capacity Pump 25000 GPH with 25 Mtr head (20 to 25 HP). Dismantling the pump carefully checking, segregating serviceable and unserviceable parts, cleaning the serviceable parts thoroughly for re using including supply and replacement of unserviceable parts as required. Note :- (i) The replaced spaires will be measured and paid under rlevant item of schedule. Reassembling the pump including painting with two coats of synthetic enamel paint after necessary surface preparation , marking of number (SM, MES or srl No) installing to its existing foundation, commissioning, connecting and testing complete all as directed . (ii) Unit rate shall be included the transportation charges from site to workshop and back (if required).

All as per item No 16 here-in-before but capacity of 20000 GPH with head 30mtr (15 HP)complete all as directed.

All as per item No 16 here-in-before but capacity of 15000 GPH with head 25mtr (12.5 HP)complete all as directed.

All as per item No 16 here-in-before but capacity of 10000 GPH with head 25mtr (7.5 to 10 HP) complete all as directed.

All as per item No 16 here-in-before but capacity of 6000 GPH with head 25mtr (1 to 5 HP) complete all as directed.

M&L for re-winding to burnt out centrifugal motor body, capacity of motor 20 HP to 25 HP 3 Ph, 415 Volt primary winding as same in existing size/guage/no of turns/quantity or insulation etc using superior quality water proof copper winding wire and submersible copper cable in required length and size to make connection upto outside 1.5 mtrs minimum including re assembling, full load testing, heating, drying varnishing, overhulling, re installation, commisioning, testing and connecting up complete all as existed.Complete all as specified and as directed. Note:- (i) Necessary testing shall be done by contractor after lowering in borewell at site. (ii) Quoted rate are included cost of cutting, removing, welding of motor body for making functional of pump.complete all as specified and as directed

All as per item No 21 here-in-before but capacity of motor 15 HP 3 Ph, 415 Volt.

All as per item No 21 here-in-before but capacity of motor 12.5 HP 3 Ph, 415 Volt.

All as per item No 21 here-in-before but capacity of motor 7.5 to 10 HP, 3 Ph, 415 Volt .

All as per item No 21 here-in-before but capacity of motor 1 to 5 HP, 3 Ph, 415 Volt .

Supply and fixing 3/4 pole contactor of 32-55 amp.Complete all as specified and as directed.

M&L for painting to MS pipe line/MS Sheet of valve chamber not otherwise described over 10 cm width or girth and applying one coat of red oxide primer and two coats of coal tar epoxy paint complete all as specified and directed.

Supply and fixing in replacement of Butterfly valve ISI Marked of in size 150mm dia bore.Complete all as specified and as directed.

All as per item No 28 here-in-before but size of 100mm dia bore

Supply and fix in replacement cast iron non return valve for 150 mm dia pipe ISI marked with GM flap and seat complete flanged at both ends including jointing and jointing material such as bolts nuts, washers, rubber gasket complete all as specified and directed.

All as per item No 30 but for size 100 mm dia pipe

Supply & fixing in replacement including taking down old Sluice valve of size 150mm dia in replacement including CI body with Gun metal/Steel spindle with hand operated iron wheel both ends flanged and drilled including ring, nuts, bolts class PN 1.6 conforming to IS 14846-2000. ISI Marked of following sizes complete all as specified and directed. by Engr-in charge

All as per item No. 32 above but for 100 mm dia.

Supply and fix in replacement of submerisible flat copper cable conductor 3 core 10 Sqmm 1100 volts grade ISI marked heavy duty complete all as specified and directed.

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.

Supply and fix in replacement of Pump shaft stainless steel sleev suitable size for 22.5 HPto 27 HP submersibale pump complete all as specified and directed.

Supply and fix in replacement of Pump shaft stainless steel sleev suitable size for 15 to 20 HP submersibale pump complete all as specified and directed.

Supply and fix in replacement of Impeller gun metal/Brass of suitable for 22.5HP to 27HP submersible pumps complete all as specified and directed.

Supply and fix in replacement of Impeller gunmetal/Brass of suitable for 15HP to 20HP submersible pumps complete all as specified and directed.

Supply and fix in replacement of Impeller gun metal/Brass of suitable for 7.5HP to 12.5HP submersible pumps complete all as specified and directed.

Supply and fix in replacement of Shaft key of sizes suitable for upto 25 Hp motor complete all as specified and directed.

Supply and fix in replacement of Neck ring gun metal of suitable size for 22.5HP to 27HP complete all as specified and directed.

Supply and fix in replacement of Neck ring gun metal of suitable size for 15 to 20HP complete all as specified and directed.

Supply and fix in replacement of Neck ring gun metal of suitable size for 7.5 to 12.5HP complete all as specified and directed.

Supply and fix in replacement of Gun metal bowl bushes suitable for submersible pump of 15 HP to 27 HP complete all as specified and directed.

Supply and fix in replacement of Gun metal bowl bushes suitable for submersible pump of 7.5 HP to 12.5 HP complete all as specified and directed.

Supply and fix in replacement of Cast iron suction /discharge case bowl of suitable size from 15HP to 27 HP complete all as specified and directed.

Supply and fix in replacement of Cast iron suction /discharge case bowl of suitable size from 7.5HP to 12.5HP complete all as specified and directed.

Supply and fix in replacement of Cast iron inter mediate bowl of suitable size from 15HP to 25HP complete all as specified and directed.

Supply and fix in replacement of Cast iron inter mediate bowl of suitable size from 7.5HP to 12.5HP complete all as specified and directed.

Supply and fixing in replacement of unserviceable PE tubing 08/12 complete all as specified and directed.

Supply and fix in replacement of borewell cap made out by 6 mm thick cast iron plate to cover the borewell casing pipe size upto 250 mm openable in two piece with nut, bolt and washer, making a hole in centre suitable fot 100mm column pipe including necessay jointing, cutting, welding etc complete all as specified and directed.

S&F fully automatic star delta starter, 30 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.

All as per item 53 above but 25 HP capacity.

All as per item 53 above but 15 TO 20 HP capacity.

Supply and fixing in replacement of 'O' Ring, Gasket set for valve body and gasket connection for body complete all as specified and directed.

Supply and fixing in replacement of Cast iron thrust pad and bearing set of capacity 15 to 25 HP motor complete all as specified and directed.

Supply and fixing in replacement cast iron thrust sleev of capacity 15 to 25 HP motor complete all as specified and directed

Supply and fixing in replacement of cast iron Water seal for motor of capacity 15 to 25 HP motor complete all as specified and directed

Dismantling of air compressor 2 - 3 CFM capacity upto 2.0 HP motor, transporting to workshop, dismantling complete, overhauling,supply and replacement of unserviceable parts, metalling/grinding and polishing of rotary fan, replacing gasket, toping up compressor oil upto the level re-assembling installing, connecting, commissioning and testing complete as directed.

Supply and fixing in replacement Ball bearing No-6306 complete all as specified and directed. Make : NBC/SKF/TATA

Supply and fixing in replacement Ball bearing No-6307 complete all as specified and directed. Make : NBC/SKF/TATA

Supply and fixing in replacement Ball bearing complete all as specified and directed. No-6309 Make : NBC/SKF/TATA

Supply and fixing in replacement Ball bearing No-6305 complete all as specified and directed. Make : NBC/SKF/TATA

Supplyand fixing in replacement Motor terminal box for 3 Hp to 12.5 Hp motor complete all as specified and directed.

Supply and fixing in replacement Fan blade made with Alluminium alloy suitable for Centrifugal motor complete all as specified and directed.

Materials and Labour for opening up stuffing box of cast iron sluice valve of 200 mm bore dia in position, repaire /replacement of gland packing, nuts, bolts and washers etc with existing size complete all as directed

Materials and Labour for opening up stuffing box of cast iron sluice valve of 150 mm bore dia in position, repaire /replacement of gland packing, nuts, bolts and washers etc with existing size complete all as directed

Materials and Labour for opening up stuffing box of cast iron sluice valve of 100 mm bore dia in position, repaire /replacement of gland packing, nuts, bolts and washers etc with existing size complete all as directed

Materials and Labour for opening up stuffing box of cast iron sluice valve of 80 mm bore dia in position, repaire /replacement of gland packing, nuts, bolts and washers etc with existing size complete all as directed

M & L for maching and cutting etc of stainless steel/brass spindle with check nut (as per sample) of 200 mm dia complete all as specified and directed

M & L for maching and cutting etc of stainless steel/brass spindle with check nut (as per sample) of 150 mm dia complete all as specified and directed

M & L for maching and cutting etc of stainless steel/brass spindle with check nut (as per sample) of 100 mm dia complete all as specified and directed

M & L for maching and cutting etc of stainless steel/brass spindle with check nut (as per sample) of 80 mm dia complete all as specified and directed

Supply and fix in replacement of split rubber coupling pad / Star pad suitable for any type and size.complete all as specified and as directed

Supply and fixing in replacement of coupling bolt made of stainless steel with nut and washer suitable for Pump and motor 3 hp -12.5 Hp complete all as specified and directed.

Supply and fixing in replacement of coupling bolt made of stainless steel with nut and washer suitable for Pump and motor 15-27 Hp complete all as specified and directed.

Supply and fixing in replacement of old unsv MS flanged column pipe 100 mm dia medium grade having length 10 feet long both ends flanged and thick 4.8 mm, nut , bolts and washers all as specified and directed.

Taking down unserviceable Base frame of centrifugal/mono block Pumping set of any size and type and replace the same with newly fabricaed base frame made out of ms channel of same size duly painted including nuts bolts and washers complete all as specified and directed.

Supply, fixing and lowering 100 mm bore GI column pipe heavy grade both end flanged, 3.00 metre long, fitted with flanges at both ends made out of heavy garde pipes of not less than 6mm wall thickness ISI marked (IS: 3589 (1981) complete with bolts , nuts, gaskets etc as required complete all as specified.

All as per item No 78 but for 80 mm dia pipe

M&L in replacement for flanged joint suitable for 150 mm dia CI/DI pipe and fittings joints with rubber fiber board gasket complete all as specified. Note :- only rubber fibre board gasket will be changed to make flanged joint serviceable.

All as per item No 80 but for size 100 mm dia pipe

All as per item No 80 but for size 80 mm dia pipe

Supply and fix DOL Starter, for 415 V,10 to15 HP centrifugal pump with overload relay rang (14-20) Amps with IP54 protection class with ON OFF inuctionand including taking down 10 to 15 HP motor stater all as spacified and directed.

Supply and fix DOL Starter, for 415 V,5 to 7.5 HP centrifugal pump with overload relay rang (6-9.3) Amps with IP54 protection class with ON OFF inuction, and including taking down 5 HP to 7.5 HP motor stater all as spacified and directed.

Supply and fix gasket packing sheet in original 6 mm thick in size 2mtr x 2mtr for making packing to column pipe as requied size all as specified directed.

M&L for Rubber gasket joint in position including taking out old Rubber gasket joint of 150 mm dia flanged pipe.All as per item

All as per item No 86 but for size 100 mm dia pipe

All as per item No 86but for size 80 mm dia pipe

Material & labour for Plain Cement Conerete 1 : 3 : 6 type C2 using 40 mm graded stone agregate as in foundation/platform of pump set/pump panel & other works at different pump house complete all as specified and as directed by the Engr-in-charge.

Demolition of existing unreinforced PCC complete all as specified and as directed by the Engr-in-charge.

Repairs and maintenance of Chemical Dozing pumps of any make and capacity including replacement of defective / unserviceable suction/discharge pipe 3/8", duck bill & connecting nut 3/8" etc after taking out the old ones with new ones complete : Note :- 1) Cost of minor repairs / replacement of minor spares such as nuts, bolts, washers etc. are deemed to be included in the unit quoted rates. 2) The cost of transportation to nearest workshop & back after repair if necessary is deemed to be included in the unit quoted rates.

Supply only Pump tube for chemical Dozing pumps

Supply only Injection check valve for chemical Dozing pumps

Supply only Foot valve 3/8" for chemical Dozing pumps

Supply only Connecting Nut with adapter 3/8" for chemical Dozing pumps

Decarbonising/ cleaning of Existing LT panel cubical type of various sizes consists of bus bar and circuit chamber, metering chambers CTs and relays chambers, checking the bus bar joints, bus bar and circuit spouts, cleaning and applying Anti - Track Busbar Insulation Tape to the bus bars , checking the current transformer, applying Monoplast compound at the bus bar joints after tightening of joints ,replaced new suiable size of lugs /suitable copper control cable and reassembling , if any rusted sheet replced with new sheet as per existing size complete all as directed by Engineer-in-Charge. Note:- Cost of lubricant/ cleaning agents (CRC & rust remover) / hardware like springs/ bolts/ nuts/ washers,lugs/ suitable copper cables cost of labour, T&P required for replacement shall be etc. shall be deemed to be included in the rate quoted.

S & F in replacement of LED indicating Lamps for R, Y, B phases complete including taking down ols U/S lamp as specified and directed.

M&L and fixing in replacement of Digital Ameter ranee 500 Amps with CTs Make ;- L&T/ AE/C&S

Supply and fixing MPR 300 Electronic Motor Protection Relay with in-built Earth Fault Protection sutaible of 10 Hp to 22 Hp motors complete all as directed by Engineer-in-Charge.

M&L for Painting of MGF/ACF/ IRF Oxydation chember with two coat of synthetic enamel paint, sky blue colour, marking of filter with using proper stencil and colour as directed by Engr-in-charge.

Supply and fixing of Foot valve size 50mm to 150mm dia complete all as directed by Engineer-in-Charge.

Supply and fixing of Suction pipe size 50mm to 80mm dia complete all as directed by Engineer-in-Charge. Note 1:-The contract sum shall be arrived at after deducting amount of schedule of credit from the total quoted amount. Note 2-Contractor's supervisor and main worker would wear shirt/T-shirt of colour sky blue/brown/yellow preferable embossed with contractor's firm name while carrying out any activities in defence area for better check of security purpose. Note 3:-The tenderer (all eligible contractors) shall ascertain the taxes & levies as on date. The subject tender caters all the taxes & levies as on date including the latest notification of GST issued as on date ( issued by Central Board of Indirect Taxes and Customs)

S. R. TRADING

D G Corporation

M/S N S CONSTRUCTION

Flint India

Shri Harendra Kumar Rai