REPAIR OF CENTRIFUGAL AND SUBMERSIBLE PUMP MOTOR AND OTHER ALLIED WORKS AT RAIWALA UNDER AGE (I) RAIWALA

Amount

Opening of centrifugal pump from the base, transporting to work shop, trace out defects and taking out the u/s parts from the pump set, metling ,grinding, lathing work as required to make as per original shape and size and fixing the new parts as required including panting and refixing and testing the same complete all specified and directed by Engr-in-charge. Note : Spares will be measured and paid separately

Supply only CI impeller as per existing size and sample, Ist or IInd stages suitable for centrifugal pump set of the following capacity

Supply only CI wear ring as per existing size of centrifugal pump set of the following capacity .

Supply only MS shoulder ring as per existing size of centrifugal pump set of the following capacity .

Supply only CI interstage ring as per existing size of centrifugal pump set of the following capacity .

Supply only CI gland as per existing size of centrifugal pump set of the following capacity .

Supply only CI bearing cartridge DE/NDE as per existing size of centrifugal pump set of the following capacity .

Supply only CI bearing cover DE/NDE as per existing size of centrifugal pump set of the following capacity .

Supply only pump shaft EN-8 (SS) complete incl key and key groove as per existing sample and size of centrifugal pump set of the following capacity.

Supply only bearing cap as per existing sample and size of centrifugal pump set of the following capacity.

Supply only shaft sleeves DE/NDE as per existing sample and size of centrifugal pump set of the following capacity.

Supply only CI throat bush as per existing sample and size of centrifugal pump set of the following capacity.

Supply only vent valve as per existing sample and size of centrifugal pump set of the following capacity.

Supply only natural rubber 'O" rings for pump set complete as per existing sample and size of cenrifugal pump 100HP .

Supply and fix tyre coupling complete as per existing sample and size of centrifugal pump as following capacity.

Lifting of submerssible pump set of any from borewell carefully with column pipe of size upto 150 mm dia flanged/socketed GI, 3 mtr each (upto 12 lengths) along with existing submersible electric cable and shifting the pipe aside for reuse as directed by Engr-in-charge.

Opening of submersible pump 100 HP, 1400LPM, 120 mtr headfrom the motor, transporting to workshop & back, dismantling of set, tracing out the defects, and taking out the u/s parts from the pump set, metling, grinding to bring the set in its original position, replacement of neck ring, key set, brass bushes, adjustment nut, thrust plate, coupling bushes, GM ball bush, katcher key set, sand gaurd etc, assembling the pump set and testing complete all as directed.

Repair to 100 HP submersible motor, 440 volts 3 phase as per the following specification and capacity.

(a) Opening of submersible motor and cutting to burnt winding and cleaning to slots by cleaning re-agent and repair to damage stator slots.

(b) Rewinding to submersible motor with suitable size of PVC insulated copper winding wire of suitable size of insulating materials all as specified and directed.

(c) Replacement of thrust plate - 01 No

(d) Replacement of bushes of rotor - 02 Nos

(e) Replacement of thrust pad - 01 No

(f) Replacement of upper and lower bearing housing-01 No.

(g) After repairing of motor re-assembling, transporting to P/H, refixing on the same base and testing complete.

Lowering of submerssible pump set of any into the borewell carefully with coloumn pipe of size upto 150 mm dia flanged/socketed MS/GI, 3 mtr each length ( Upto 12 Nos of pipe) along with existing submerssible electric cable binding with GI/AI wire including making joint to submerssible cable all as directed by Engr-in-charge. NOTE . Rubber gasket, jointing material, nut, bolt, washers shalls be included in in the quoted rate.

Supply in replacement of ball bearing No 6212.

Supply in replacement of ball bearing No. 6311

Supply in replacement of ball bearing No.6309

Supply in replacement of ball bearing No 6312.

M&L for transport to workshop and taking out the defective parts of induction motor, 3 phase, 440 Volts and rewinding with super enamelled copper conductor of suitable as per existing size and gauge including varnishing, drying, cleaning of slots, repair to any damage slot, metling to shaft for fixing of bearing and other required work for smooth functioning of motor, testing and painting complete all as directed and specified of the following capacity of motors.

M&L for replacement of greased graphite gland packing of following sizes Make - Champion or eqt

(a) 10 mm size

(b) 12 mm size

Material & labour to repair foot valve of 150 mm dia suction line by means disconnection by opening of nut bolts etc and taking out from under ground Sump and refixing the same after replacement of leather/Neoprane/rubber sheet including replacement of nut bolts etc.

M&L in repair for three phase Digital volt meter 0 to 500 volt digital type completed all as specified and directed

M&L in repair for three phase Digital amp meter 0 to 200 Amp digital type completed all as specified and directed

M&L in repair for LED Indicator lamp (set of three) completed all as specified and directed

M&L in repair for phase faliure relay with under volt and overvolt setting(variable),(auto reset 40 volt unbal;ance) Make:- Minilac/L&T/C&S

M&L in repair for current sensing phase faliure & UV+ OV Realy with dry run & overload Protection( Delayed Auto reset , 2 CO Contact) Make:- Minilac/L&T/C&S

M&L in replacement of three pole power contactor of Rated operational current AC-1 150 A & AC-3 120 A, 50 HZ suitable for Auxilary contact NO & NC 1 No. , 415 V rated voltage. Make LC1E 120 of schnider or equivalent in L&T, siemens Make:- Minilac/L&T/C&S

M&L in replacement of auxillary contact block with 2 NO + 2 NC Make LAEN22 of schnider or equivalent in L&T, siemens Make:- Minilac/L&T/C&S

Supply and fix in repair tubes medium grade 150 mm dia galvanised with flanged ends and fixed to wall and ceiling or laid in floor all as specified and directed by engineer in charge

Material and labour for jointing with rubber or fibre gasket of 150 mm dia bore including provision of bolts, nuts & washers all as specified and directed by engineer in charge The price of making good the disturbed surface deemed to be included in the quoted rates.

Supply and fix in replacement of cast iron pipe/ fittings flang and socketed / all socketed / all flanged type such as bend upto 150mm bore (any type radious and angle) tapers any type (straight, bend, increasing, descreasing or double socket etc), Tee piece single branch, 'Y' junction, double branch cross (all sockets or socket and spigot) collors, caps and plugs as in repairs, excavation earth work and run lead joints shall be measured and paid seperately.

Overhauling and repairing to Monoblock centrifugal pumping set of capacity 10 HP 440 V 50 Hz 3 Phase with connected accessories to put the plants in perfect working condition and , alligning CF pumps and motor incl balancing of motor, rewinding stator winding and painting of entire pump set with two coats of synthetic enamel paint incl preparation of surfaces as reqd, renewal of nuts, bolts and washers, renewal of gland and seats, greasing and oiling and renewal of unserviceable parts.

Overhauling and repairing to centrifugal pumping set of capacity 2 HP 440 V 50 Hz 3 Phase with connected accessories to put the plants in perfect working condition and , alligning CF pumps and motor incl balancing of motor, rewinding stator winding and painting of entire pump set with two coats of synthetic enamel paint incl preparation of surfaces as reqd, renewal of nuts, bolts and washers, renewal of gland and seats, greasing and oiling and renewal of unserviceable parts.

S&F fully automatic star delta starter suitable for 10 HP motor with relay range 8.0 to 12.0 A. Make Havells, L&T, BCH

Water testing report of pump house Upper pump house(Treated Water) /Lower pump house (Borewell water / River water) at Raiwala Mil Stn from authorised Laboratory as per IS 10500 : 2012 with following bacteriologial, physical and chemical parameters (a) Color (b) Odour (c) pH value (d) Taste (e) Turbidity (f) Total dissolved solids (g) Aluminium (h) Ammonia (i) Calcium (j) Flouride (k) chloride (l) Free residual chlorine (m) Magnesium (n) Sulphate (o) Total hardness (p) Iron(q) Total coliform (r) Ecoli (s) Cadmium. Note the contractor will collect the sample in presence of Engr-in-charge for the location and transport it to the laboratory in sealed conainers as recommended by the laboratory.

Sunil Enterprises

M/s RP AGRAWAL