REPAIR/MAINT OF CENTRIFUGAL PUMPS UNDER GE(W) 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 complete all as specified and directed. (Note:- Defective/damage spare parts which are not repairable shall be supply & fix new and will be measured and paid separatly under appropriate item of this schedule.)

M&L for renewal of under mentioned components/ spare parts suitable for above mentioned pump set, complete all as specified and directed. (a) Impeller Ist stage bronze.

(b) Impeller IInd stage bronze.

(c) Pump shaft C-40.

(d) Wear ring CI.

(e) Inter stage ring CI.

(f) Bottom portion of pump body CI

(g) Top portion of pump body CI.

(h) Sleeve DE/NDE CI.

(j) Split lantern ring (Bronze).

(k) Bearing cover DE CI.

(l) Bearing cover NDE CI.

(m) Bearing cover cap/plate CI.

(o) Pin bush coupling pully DE/NDE CI

(p) Water deflector (Aluminum).

(q) ‘O’ ring for shaft sleeves(CI).

(r) Impeller key (CI).

(s) Coupling key (CI).

(t) Shaft nut (CI)

(u) Gasket set.

(v) Brass greasing nipple.

(w) Brass air cock.

(x) Rubber spider suitable for tyre coupling

(y) Bearing cartridge DE/NDE.

(z) Pump Motor steel coupling plate

S&F in 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 16mm & above complete all as specified and directed.

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

S&F in renewal of bearing No 6313 of ISI marked suitable for 50 HP induction motor 3 Phase complete all as specified and directed.

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

S&F in replacement of steel cushion vibration pad suitable for 50 HP centrifugal pump set complete all as specified and directed

Taking down old unservicable single phase preventer and S&F new single phase preventer automatically will correct reverse phase also protection against single phasing, unbalancing. Low voltage, high voltage with time delay, rating 31-50 HP including all electric connection complete all as specified and directed.

S&F in replacement PVC insulated and unsheathed multistrand copper conductor cables 1100 volts grade of size 50 sqmm single core including Copper lugs suitable size complete all as specified and directed.

S&F in replacement PVC insulated and unsheathed multistrand copper conductor cables 1100 volts grade of size 70 sqmm single core including Copper lugs suitable size complete all as specified and directed.

M&L for 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 complete all as specified and directed.

M&L for cleaning the vegitation, grass, bushes etc inside and out side the installation perameter including keeping maintinaing the gardens and lawns by necessary gardening works and surface excavation in all respect to maintain the installation premises at various places as directed by Engr-in-Charge and to be kept in inspection and also cleaning washing the floor of installation, pump room, veranadh, labour rest room, chlorination room, toilets etc and allied rooms with detergent, acids , phenoyl cleaner complete all as specified and directed.. Note :- Contractor is deemed to provide for 08 Hrs working period. (a) One gardeners and three helpers as per work requirement. (b) Necessary tools like cutting, digging, cleaning cane brooms with bamboo handle, flower brooms, flexible pipes, sprinklers etc for gardening purpose. (c) The cost of all items mentioned are including in item rate no extra payment will paid.

M&L for maintenance and upkeeping of all pump, motor and LT panels install inside any pump and installations the contactor is deemed to provide following:- (i) Cheecking 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 maintenance of leakage of transformer oil from starters, all connections, of moving, auxillary, contacts, coils, relays etc in all resect 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 virbrations by filling necessary gland packing, and allied works for avoiding 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 necessary gland packing, rubber insertion sheets, insulation tape, grease, oil and nut bolts of any size deemed to included in quoted rate. (b) T&P, helpers for repair and maintenance are reasponsiblity of contactor without any extra cost. (c) Any deffect found and not intimated by the technician will be viewed seriously and penalty of Rs 5000.00 or cost of deffect rectification which one is feasible will be accounted.

Dismantling of unserviscable booster pump multi stage coupled with 2HP 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 complete all as specified and directed.

Dismantling of unserviceable burnt out electric motor of capacity 2HP, 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 complete all as specified and directed.

M&L 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 specified and directed.

M&L for in repair of LT panel by replacement of the following items:- (Note:-panel shall be rapaired by skilled technician having good knowledge of L&T,SIEMENS,etc) (a) Copper cable PVC single core unarmoured ,unsheathed of size 25 sqmm

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

(c) Ampere meter 0 to 100 Amps of existing size.

(d) Volt meter 0 to 500 volts of existing size.

(e) CTs 100/05 Amp.

(g) Phase indicator R,Y,B as per existing shape and size

(h) MCCB three pole 125 Amps, 35 KA, 415 volts

(j) MCCB three pole 630 Amps, 36 KA, 415 volts

(k) Electronic timer

(l) Terminal plate

(m) Single phase preventer

(n) Copper lugs ,thimbels,bottel lugs of any size

(o) Contactor of 80 Amp, 415 volts

(p) Contactor of 50 Amp, 415 volts

(p) Contactor of 95 Amp, 415 volts

(r) Electronic Relay

M&L for in repair /replacement of Earth continuity conductor of size 32x6 mm galvanised iron strip complete all as specified and directed.

M&L 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 specified and directed.

M&L and T&P for removing of complete old paint from EOT Crane of capacity 5 Ton including chain pully block greasing the complete crane and painting the same with two coats of synthetic enamelled paint over one coat of primer as existing color complete all as specified and directed.

M&L for repair of EOT Crane of capacity 5 Ton, with gear box, gear, shaft rotating, bearing including replacement of break, thruster breakes, cadmium compound for wire ropes, replacement of Push Buttons with NO/NC elements of EOT Cranes and making serviceable of Crane complete all as specified and directed.

Taking out existing rusted MS pipe from the headders of main rising line in any position at site with fittings & removing of 125 mm dia sizes and supply and laying MS flanged pipe 125 mm dia bore, 5 mm thick heavy grade including fittings, nuts & bolts laid in trenches through walls/floor/inside UG sump including dewatering of sump, welding and connecting with existing complete all as specified and directed.

S&F in replacement of LED 25W IP-65 new generation post top energy saving, envrironment friendly long life aesthetically designed with good indirect symmetrical light distribution, SPUN aluminium landscape luminaire with high power LED as light sources with all connected accessories bolts, nuts, brackets, suitable size of pipes for mounting of Light all as specified and directed.

S&F in replacement Security Light LED 90W new generation energy saving and environmental friendly longlife LED street light made up of pressure die cast aluminium housing with high power LED as lighting source and lens empedded PC cover having TOP openining seperate driver compartment with IP-66 protection and impact resistance of IK07 with 10 KV Built surge Protection Devices and electronic driver including suitable pipe for light fiftings, bolts, brackets and necessrary paintingof connected accessories complete all as specified and as directed.

S&F in replacement of Post Top Lantern into Integrated Solar Street Light - 16 Watts the system shall include FRP housing Hi-brightness W-LED (120-140 lumens per watt) operating voltage 11.1/12.8V, IP-65 complaint driver efficieny 85% to 90% CRI > 70 CCT 5000 to 6500 kelvin toughen glass/acrylic cover MPPT/PWM base charge controller with hi-efficency LED driver designed with/without dimming function as per IEC complaint Hi-efficiency 28/30 WP Mono crystalline Solar Panel, 15.4 AH Lithium battery - DOD 90 to 95% with inbuilt PCB as per BIS complaint dusk to down operation working temperature (-) 10 degree C to (+) 55 degree C, weight 6-7 kg with adjustable powder coated MS clamp suitable for pole/wall mounting protection short circuit, over load reverse polarity and battery protection complete with GI iron pipe 65 mm dia, medium grade, 5 mtr high excluding 1 mtr planting depth with aluminium painted foundation of pole with PCC (1:3:6) using 20 mm graded stone aggregate of size 450 x 450 x 1000 mm deep including earthwork complete all as specified and directed.

S&F in repair of PVC moulded junction box with front openable hinged type door and locking arrangement with provision of cable inlet and outlet opening at bottom fixed to base outdoor type weather proof with 02 Nos of aluminium bus bar current capacity 10 Amps fixed on procelain insulated and 01 Nos of 2.5 Amps and one earth duly embedded in junction box for out going street light including nuts, bolts, glands, and lugs etc. complete all as specified and directed.

Supply, laying, testing and commissioning LT cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, elecric power cables (heavy duty) 1100 volts grade with stranded aluminium conductor of size 16 sqmm 4 core including dismantling of old cable complete all as specified and directed.

Supply, laying, testing and commissioning LT cable XLPE insulated screened PVC bedded, galvanised steel strip or wire armoured, elecric power cables (heavy duty) 1100 volts grade with stranded aluminium conductor of size 10 sqmm 2 core including dismantling of old cable complete all as specified and directed.

Excavation in trenches, not exc. 1.5 mtr wide and n.exc 1.5 Mtr deep for laying cable/ pipe including forming bottom surface at required gradient & getting out in soft/loose soil complete all as specified and directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exc. 15 cm each layer in soft/loose soil complete all as specified and directed.

Removing excavated material n.exc 50 mtr and depositing where directed at a level not exc. 1.5 mtr above the starting point in soft/loose soil complete all as specified and directed.

M&L for sand cushioning and covering clean and dry sand to underground electric cable with 8 cm before laying and 10 cm over the cable including ramming complete all as specified and directed.

M&L for brick covering to underground electric cable using sub class "B" old size brick laid dry flat per pendicular to the direction of cable complete all as specified and directed.

Supply and laying galvanised iron pipe 40mm dia light grade including all fittings for protection of UG cable complete all as specified and directed.

Supply and lay new electrical insulation rubber matting as per ISI and size 1mtrx2mtrx19mm suitable for electric installations/panel boards tested suitable all as specified and directed.

Taking out old unsv UPVC pipe of chlorine and Supply & laying of UPVC pipe of 25mm dia at chlorination plant including all fittings such as socket, bend, tee and Nipple all as required at site etc. complete all as specified and directed. Note:- Earth work and excavation shall be measured and paid separately.

Dismantling oil immersed starters including three phase connections and supply, installation, commissioning and testing (on full load in all three shifts) AC/DC motor starter, control panel of three phase, 415V, 50Hz, citation fully automatic star delta starter rating 75HP/55KW, automatic phase sequence corrector, overload relay 37.6-60.0 range, 70 Amps of E type contactor in sheet steel enclosure with IP54 protection including all required electric connection complete all as specified and directed. Note :- (a) Dismantled oil immersed starters and auto transformers will kept in sump well as department property. (b) Cable for connection will measured and paid separately.

M&L for MS work fabricated structural steel sections for replacement of angle iron platform complete for mounting of centrifucal pump of 50 HP motor including welding, bending cold or hot, drilling holes in any shape for nuts, bolts, washers and lifting or centrifugal pump of 50HP, disconnecting electrical connections for mounting new structural steel section and re-fixing all as per existing complete including two coats of enameled paint after one coat red oxide and two coats of anti rusted paint complete all as specified and directed.

S&F gun metal globe or gate valve of 15mm bore with iron wheel head screwed both ends for iron pipe of size10mm 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 Engineer-in-Charge, get water tested from NABL Lab/Govt Lab and submitting test report (s) there of before claiming payments (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.

Repair and maintenance of mechnical chlorine plant , high pressure single head adjustable granular chlorine dosing system with following items (a) Adjustable High pressure 5 Kg/Sqcm power input 230 V 50 Hz, 40 SPM 1/3 frictional HP, max output 10 Ltr/hr with Preparation Tank of net capacity100 Ltrs FRP dosing tank with gauge agitator 120 watt 900 mm SP range mounted with plastic shaft and impeller including of Service tank and all assessories and making Chlorination plant inserviceable condition in all time complete all as specified and directed.

Checking of leakage/blockage in PVC pipeline of 25mm to 40mm liquid solution of chlorine and rectify the defect and cleaning of blockage of pipe including excavation and jointing material or a piece of pipe of approx 30 cm long including replacement of GI elbow, socket, Nipple all as per required at site of existing size complete all as specified and directed.

Dismantling of unsv booster pump multi stage coupled with 1/30 FRICTIONAL HP 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 complete all as specified and directed.

Dismantling of unsv chlorine mixer Agitator with control switch and repair of chlorine mixer Agitator with heavy mixer with control switch to make the chloronome granular in dilute manner for mixing in raw water complete all as specified and directed.

Dismantling of unsv brunt out electric motor of capacity 1/30 FRICTIONAL HP, 3 phase 415 volts transporting to civil workshop and rewinding with supper enamelled copper winding wire of existing gauge including insulating materials reinstalled in position, connecting and testing complete all as specified and directed.

S&F Cast iron sluice valve flanged type, class PN 1.0 of size 200mm cast iron body with stainless steel spindle, non rising complete type, and cast iron wheel head, both ends flanged, IS-14846 marked, complete with neoprence rubber gasket joint and nuts, bolts (high tonsile), washers etc, complete all as specified and as directed.

S&F Cast iron sluice valve flanged type, class PN 1.0 of size 150mm cast iron body with stainless steel spindle, non rising complete type, and cast iron wheel head, both ends flanged, IS-14846 marked, complete with neoprence rubber gasket joint and nuts, bolts (high tonsile), washers etc, complete all as specified and as directed.

Taking down sluice valves of various capacities up to 200mm dia complete all as specified and directed.

M/S A.K. ENGINEERS

ASHOK INFRATECH

M/s Singh Engineering Corporation