REPAIR MAINT OF CENTRIFUGAL PUMPS AND ALLIED SERVICES UNDER GE (WEST) MATHURA

Amount

Dismantling of unserviceable centrifugal pumps from existing system of capacity 27,000 Gallons/Hour at 60 mtr head, DSM-4 type, Make Kirloskar, driven by 50 HP electric motor transported to civil workshop for repairing all as specified and directed by Engr-in-charge.(Note:- Deffective /Damage spare parts which are not repairable shall be supply and fix new and will be measured and paid separately )

Supplying and fixing in replacement of components/ spare parts suitable for pump set mentioned under BOQ item No. 01, all as specified and directed by Engr-in-charge.

Wear ring CI.

Inter stage ring CI

Sleeve DE/NDE CI.

Split lantern ring (Bronze).

Bearing cover DE CI.

Bearing cover NDE CI.

Bearing cover cap/plate CI.

Pin bush coupling pully DE/NDE CI.

Water Defflector (Aluminium).

'O' Ring for Shaft sleeves (CI).

Impeller key (CI).

Coupling Key (CI).

Shaft nut (CI).

Gasket set.

Brass greasing Nipple.

Brass air cock.

Rubber spider suitable for tyre coupling.

Bearing cartridge DE/ NDE

Pump Motor steel coupling plate

M&L for repair of under mentioned components/spare parts as original by adding extra material required and making alignment with the help of lathe machine or any kind of machine suitable for machining pump set in item No. 01 of BOQ, all as specified and directed by Engr-in-charge.

Impeller Ist stage bronze.

Impeller IInd stage bronze.

Pump shaft C-40.

Supplying and fixing in replacement of components/ spare parts suitable for pump set mentioned under BOQ item No. 01, all as specified and directed by Engr-in-charge.

Impeller Ist stage bronze.

Impeller IInd stage bronze.

Pump shaft C-40.

Supply and replacement MS screw with bolts hexagonal or square heads at one end and screwed the other end or screwed both ends, nuts, washers, length of bolt 150mm to 225mm, dia of bolt 16 mm & above all as directed by Engineer-in-Charge.

S& replacement pressure gauge 0-10 Kgs/Sqcm, 4 inch dia round type including suitable size symphonic pipe connection all as specified and directed.

S&F in renewal of bearing No 6313 of Make SKF/NBC suitable for 50 HP, three phase induction motor all as specified and directed by Engr-in-charge.

S&F in renewal of cooling fan made of cast iron suitable for 50 HP induction motor 3 Phase all as specified and directed by Engr-in-charge

Supply and replacement of steel cushion vibration pad suitrable for 50HP centrifugal pump set all as specified and directed.

S&F in replacement PVC cables copper conductor insulated and unsheathed multistranded single core of size 50 sqmm 1100 V including copper lugs complete all as specified and directed.

S&F in replacement PVC cables copper conductor insulated and unsheathed multistranded single core of size 70 sqmm 1100 V including copper lugs complete all as specified and directed.

Taking down old unsv single phase preventer and S&F new single phase preventor automatically will correct reverse phase also protection against single phasing,over voltage protection, under voltage protection, Low voltage, high voltage with time delay, rating 31-50 HP as per existing sample type make or equivalent in L&T and minilac including all electric connection. All as specified and directed by Engr-in-charge.

M&L rewinding (renewal of winding) of induction motor of rating 50 HP, 3 Phase, 440V, 1440 RPM (make kirlosker) with super enameled copper winding wire of existing gauge including insulating materials, heating/drying and testing complete including dismantling, transportation, loading, unloading & installing in position all as specified and directed by Engr-in-charge

M&L for cleaning the vegitation, grass, bushes etc inside and out side the installation perameter to maintain the installation premises neat and clean at various places as directed by Engr-in-Charge

M&L for maintenance and up keeping of all pump, motor and LT panels install inside any pump and installations the contactor is deemed to provide following :- (i) checking and maintenance of all connections gauges etc of all pump sets 50 HP capacity, and endorse the status in the register. (ii) Checking and maintenance of Voltage meters ,Amp meters and checking of RYB phase indicators ,CTS incl all electrical connections of LT panel incl endorse the status in register. (iii)Checking and mainteance of leakage of transformer oil from starters,all connections,of moving,auxillary,contacts, coils,relays etc in all respect of oil immersed and Electronic starters. (iv) Arresting of leakage from pumps,sluice valves by filling Gland etc and make the pump set leak proof. (v) Maintaining the allingment of pumpsets,maintaining the vibrations by filling neccessary gland packing, and allied works for avoidng the loss of pumpsets due to mechanical faults and electrical faults to prevent the motor winding burning ,damage of pump shafts ,coupling ,casing of pump sets etc and restrict the abnormal sounds in pump sets. Note :(a) The neccessary gland packing,rubber insertion sheets,insulation tape , grease, oil and nut bolts of any size will be issued by contractor without any extra cost for maintenance .(b) T&P , helpers for repair and maintenanace are reasponsiblity of contactor without any extra cost. ( c )Any defact found and not intimated by the technician will be viewed seriously and penalty of Rs 5000 or cost of deffect rectification which one is feasible will be accounted.

Dismantling of unsv booster pump multi stage coupled with 1HP electric motor for chloronome plant transporting to civil workshop for repairing including renewal of brass impeller, bearings, shaft, check nut, bush stainless steel coupling with the key all as specified and directed by Engineer-in-charge.

Dismantling of unsv burnt out electric motor of capacity 1 HP, 3 phase 415 Volts transporting to civil workshop and rewinding with super enamelled copper winding wire of existing gauge including insulating materials reinstalled in position, connecting and testing all as specified and directed by Engineer-in-charge.

M&L and T&P for scraping/removing of complete old paint from centrifugal pumpset with eletric motor of capacity 50 HP and painting the same with two coat of synthetic supper enamelled paint over one coat of primer as existing color including writing SM/MES No complete all as directed by Engineer in charge.

M&L for repair of LT panel by replacement of the following items:- (panel shall be rapaired by skilled technician having good knowledge of L&T, SIEMENS,etc)

Copper cable PVC single core unarmoured ,unsheathed of size 2.5 sqmm

Ampere meter 0 to 100 Amps of existing size Make AE

Volt meter 0 to 500 volts of existing size Make AE

CTs 100/05 Amp Make AE

Phase indicator R,Y,B as per existing

MCCB three pole 125 Amps

MCCB four pole 630 Amps 50 KA

Electronic timer

Terminal plate

copper lugs ,thimbles,bottle lugs of any size

Electronic relay

MNX Contactor 50 Amp 3 Pole 415 Volt

MNX Contactor 70 Amp 3 Pole 415 Volt

MNX Contactor 90/95 Amp 3 Pole 415 Volt

M&L and T&P for removing of complete old paint from header size 400mm dia and painting the same with two coat of synthetic enamelled paint over one coat of primer as existing color complete all as directed by Engineer in charge.

Supply and Lay new electrical insulation rubber matting as per ISI and size 1 mtr x 2 mtr x 19 mm suitable for electric installations / panel boards tested suitable all as specified and directed by Engr-in-charge.

Taking out old u/s PPR Pipe of Chlorine and Supply and laying of PPR pipe of 25 mm dia at Chlorination plant including all fittings such as socket, bend, tee and Nipple complete all as required at site etc. all as specified and directed. (Note : Earth work & excavation shall be measured and paid separately).

M & L for replacement of existing oil immersed starters by dismantling the existing incl three phase connections and M & L for installation, commissioning and testing (on full load in all three shifts) AC/ DC motor starter/ Controller panel of three phase, 415V, 50 hz, citation fully automatic star delta starters rating 51 to 75 HP/55 KW, automatic phase sequence corrector, overload relay 37.6-60.0 range, 95 amps of E type contactor in sheet steel enclouser with IP-54 protection, including all required electrical connection complete all as specified and directed.

M&L for Framed work such as grills,gratings, etc.. with ends of bars shouldered and/or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work con- forming to Fe.290.Gde-E-165 incl portions framed and hung as gates, including pintle hinges, stops, hand-made sliding bolts, etc

S&F Gun metal globe or gate valves, of 15 mm bore with iron wheel head, screwed both ends for iron pipe 10mm bore fixed in repair/replacement complete all as specified and directed.

T & P for collecting water samples from various sources as per frequency decided by the Engr-in-Charge, get water tested from NABL Lab/Govt Lab and submitting test report(s) thereof before claiming payment(s) complete all as specified and directed. Note :- Cost of testing charges shall also be borne by the contractor and same is deemed to be included in their quoted rate.

S&F in replacement of mechnical chlorine dosing plant high pressure single head adjustable granular chlorine dosing system and chlorination doser pump with mixing tank for calcium hypo chloride 65 to 70% including connecting pipe complete all as specified and directed with following items : (a) Adjustable High pressure motor 5 Kg/Sqcm power input 230 V 50 Hz, 40 SPM 1/3 frictional HP, max output 10 Ltr/hr. (b) Preparation Tank of net capacity of 100 Ltrs FRP. (c) 200 Ltr FRP dosing tank with gauge agitator 120 watt 900 mm SP range mounted with plastic shaft and impeller including Service tank and all assessories.

Checking of leakage/blockage in PPR pipeline of chlorine and rectify the defect and cleaning of blockage of pipe including excavation and jointing material or a piece of pipe,GI elbow,socket ,Nipple all as per required at site of existing size all as directed.

Supplying and fixing in replacement of booster pump multi stage coupled with 1/30 FRICTIONAL HP electric motor for chloronome plant all as specified and directed by Engineer-in-charge.

Supplying and fixing in replacement of Chlorine mixer Agitator 120 watt with single phase flange mounted motor with plastic shaft and impellar all as specified and directed by Engineer-in-charge.

Supplying and fixing in replacement of Preparation tank of capacity 200 Ltr made of FRP material consisting of water inlet, outlet with Y strainer , Drain overflow , conical bottom of sludge deposition , pot hole with cover , level gauge

Supplying and fixing in replacement of Preparation tank of capacity 100 Ltr made of FRP material consisting of water inlet, Dosing pump inlet arrangement, Drain overflow ,inspection port all as specified and directed

Supply and fixing in replacement of cast iron sluice valve flanged type, iron wheel head screwed class PN 1.6 of size 200 mm including nut, packing etc. complete.

Supply and fixing in replacement of cast iron sluice valve flanged type, iron wheel head screwed class PN 1.6 of size 125 mm including nut, packing etc. complete.

Supply and fixing in replacement of Non return valve of 125 mm , cast iron body, ISI marked, heavy duty both end flanged,suitable for 125 mm bore pipe fixed in repair/ replacement complete all as specified and directed.

M/s DEVI DAYAL CONSTRUCTION CO

Ms Kamal Kant Agarwal

ASHOK INFRATECH

M/s R L PAREEK

shyam construction

M/s M S CONSTRUCTION

M/S United Builders

M/S S S CONSTRUCTION