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 by Engr-in-charge. (a) Impeller Ist stage bronze.

(b) Impeller IInd stage bronze.

(c) Pump shaft C-40.

(d) Wear ring CI.

(e) Inter stage ring.

(f) Bottom portion of pump body CI

(g) Top portion of pump body CI.

(h) Sleeve DE/NDE CI.

(j) Split lantern ring.

(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.

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 Make SKF/NBC 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 by Engr-in-charge

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 RPC-50 type make SECO or equivalent in L&T and minilac 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.

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 :- (a) Necessary tools like cutting, digging, cleaning cane brooms with bamboo handle, flower brooms, flexible pipes, sprinklers etc for gardening purpose. (b) 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.

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

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 unsv 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 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 specified and directed.

M&L and T&P for removing of complete old paint from oil emmersed transformer / auto starter of capacity 50 HP and painting the same with two coat of synthetic enamelled paint over one coat of primer as existing color complete all as specified & 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,SEMENS,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. Make AE

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

(e) CTs 100/05 Amp. Make AE

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

(h) MCCB three pole 100 Amps 35 KA

(j) MCCB three pole 400 Amps 36 KA

(k) Electronic timer

(l) Terminal plate

(m) Single phase preventer

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

(o) Contactor MNX50

(p) Contactor MNX70

(q) Contactor MNX80

M&L for in repair /replacement of Earth continuity conductor of size 25x4 mm galvanised iron strip complete all as specified and directed.

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 specified and directed.

M&L and T&P for removing of complete old paint from OT Crane 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.

Taking down the sign board of Central Pumping Station, removing the old letters,replace of LED lights,Painting of board and writing the letters of existing size "CENTRAL PUMPING STATION GE(W) MATHURA"as existing size and refitting the same complete all as specified and directed.

Dismantling , 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.

Taking out the existing unservicable NRV of 100mm from the outlet pipe line at CPS and S&F new non return valve of 100mm size complete all as specified and directed.

S&F in replacement of LED25 RUBY (CLEAR) IP-65 new generation 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. Make : Havells Cat Part No RUBYPT25WLED757PSYMTOPC or equivalent make pf Philips/CG.

S&F in replacement of LED 70W ENDURA PEARL PLUS new generation energy saving, envrironment friendly long life LED Street Light made up of pressure die cast aluminium housing with high power LED as lighting source and lens embedded PC cover having TOP opening seperate driver compartment with IP66 protection and impact resistance of IK07 as light sources with all connected accessories including bolts, nuts, brackets, suitable size of pipes for mounting of Light al as specified and directed. Make : Havells Cat Part No ENDURAPEARPLUSSL70WLED757SASYTOPC or equivalent make of Philips/CG

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. Make : Sintex Cat Part No GSJB3020 or equivalent as approved by GE.

Supply, laying, testing and commissioning 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 in replacement complete all as specified and directed.

Supply, laying, testing and commissioning 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 in replacement complete all as specified and directed.

Excavation in trenches, not exc. 1.5 mtr wide and n.exc 1.5 Mtr deep for laying sewage 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.

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

shyam construction

Karman Infra Projects

R.G. Engineers