REPAIR MAINT OF SEWAGE PUMPS WATER PUMPS SUBMERSIBLE AND CENTRIFUGAL PUMP SETS AND CONNECTED WORKS AT AF STATION MAHARAJPUR

Amount

Lifting/lowering of Unsv non clogging submersible pumping set,10 to 12 HP from the under ground main sump with the help of chain pulley manually operated own arrangement of the contractor with and including loading , unloading and transporting STP instalition to civil work shop and bringing back after repair from the civil workshop to STP instalation.Fixing the repaired non clogging pumping sets its original position with and including minor spare such as nuts,bolts,washers and rubber gasket etc Note:-(a) Cost of necessary T&P/crane required for taking out & fixing of the pump set from the under ground sump are deemed to be included in this item. (b) The necessary repairs of the pump set shall be carried out by the authorised and approved agency at their workshop and quoted rates by the contractor for above item includes the transportation charges of pump set to and fro workshop. (c) The repairs / replacement carried out in the pump set shall be measured and paid for separately under appropriate item of Schedule `A'. (d) Quoted shall be inclusive of all safety precaution and necessary equipments required for entering into sump

Dismantling & strip opening completely non clogging submersible motor and pump set 10/12 HP capacity , three phase, 415 volts for ascertaining serviceability of the winding and other parts of the motor and pump set at authorized workshop, servicing / overhauling, fixing the serviceable parts in its original position and replacement of the unserviceable parts with new one, reassembling the motor and pump set and testing at workshop , and commissioning at site etc including duly paint with two coat of smoke grey paint complete all as specified & directed. NOTE (i) The quoted rates of the contractor includes for fixing the serviceable parts in position and replacement of unserviceable parts with new parts. The new replaced parts shall be measured and paid for separately under appropriate item of sch `A’ as ‘supply only’ but quoted rates are inclusive of replacement of small parts such as pin, oil seal `o’ ring, washers, screws, gasket, shim, banjo washers, kit & locking keys etc. (ii) The existing lubricating oil shall be drained out carefully and collected in suitable containers and sump of the non clog submersible motor shall be cleaned thoroughly. Filling of fresh lubricating oil shall be measured and paid for separately under appropriate item of Schedule `A'. (iii) Replacement / rewinding of burnt out windings of non clog motor shall be measured and paid for separately under appropriate item of Schedule `A'. (iv) The contractor will check/ascertain the serviceability of motor & pump at site and finalize the nature/type of repair required in subject motor and no extra payment shall be made against such work. (v) All necessary T & P shall be provided by the contractor on no extra cost basis.

Cutting and taking out existing burnt out / unserviceable copper winding from the stator unit of non clogging submersible motor. Cleaning of slots and complete stator unit with using carbon tetra chloride (CTC solution), material and labour for rewinding the motor with using super enameled copper wire (Make: Atlas / Finolex / Devi dayal) of existing size / gauge including providing bi-metallic thermal overload protection and all necessary insulating Materials such as varnish, insulating paper, sleeving etc for 10 /12 HP capacity, 3 phase, 415 volts non clogging submersible motor etc complete all as specified & directed.

Supply only the following items/ parts suitable for existing make and model of non clogging submersible electric Motor and pump sets 10 /12 HP, model No KDS10MS100 repaired under Schedule `A' item No 02 here-in-before . The fixing element of these items is deemed to be included under Schedule `A' item No 02

(a) Hard metal upper mechanical seal assembly

(b) Hard metal lower mechanical seal assembly pump side

(c) Ball bearings, self lubricating and antifriction type, upper

(d) Over size double row ball bearings, self lubricating and antifriction type, lower

(e) Water tight cable terminal block with cable sleeve and strain relief. (Note: - Rates for water tight cable joints with cable sleeve are included in this item.)

(f) Single vane non clog design dynamically balanced cast iron impeller as per IS- 210Gr, FG -260

(g) Moisture sensor (electronic seal monitor) with visual and audible signals

Repairing and reconditioning work for the following item for non clogging submersible pump of any description, 10/12 HP capacity all as specified and directed by the Engineer-in-charge.

(a) Rotor machining, grinding and balancing

(b) Motor tube boring,machining & reconditioning

(c) Motor lamination setting with material

(d) Rotor reconditioning

(e) Slot repairing in stator

(f) Repairing of the high carbon steel shaft

(g) Repairing and reconditining of the terminal plate

Dismantling & strip opening completely 10/12 HP Aerator Motor of any Make/ model, ascertaining serviceability of the winding and other parts of the Aerator motor at authorized workshop, servicing / overhauling, fixing the serviceable parts in position and replacement of the unserviceable parts with new one, reassembling the motor and testing at workshop etc complete all as specified & directed. (NOTE : 1. The quoted rates of the contractor includes for fixing the serviceable parts in position and replacement of unserviceable parts with new parts. The new replaced parts shall be measured and paid for separately under appropriate item of sch `A’ as `supply only but quoted rates are inclusive of replacement of small parts such as pin, oil seal `o’ ring, washers, screws, gasket, shim, banjo washers, kit & locking keys etc. 2. The existing lubricating oil shall be drained out carefully and collected in suitable containers and sump of the Aerator Motor shall be cleaned thoroughly. Filling of fresh lubricating oil shall be measured and paid for separately under appropriate item of Schedule `A'. 3. Replacement / rewinding of burnt out windings of motor shall be measured and paid for separately under appropriate item of Schedule `A'. (4) The contractor will check/ascertain the serviceability of motor & pump at site and finalize the nature/type of repair required in subject motor and no extra payment shall be made against such work. (5) All necessary T & P shall be provided by the contractor on no extra cost basis.

Cutting and taking out existing burnt out / unserviceable copper winding from the stator unit of Aerator motor. Cleaning of slots and complete stator unit with using carbon tetra chloride (CTC solution), Material and labour for rewinding the motor with using super enameled copper wire (Make: Atlas/Finolex/Devi Dayal) of existing size / gauge including providing bi-metallic thermal overload protection and all necessary insulating Materials such as varnish, insulating paper, sleeving etc and fixing, reassembling the motor after necessary repairs etc complete all as specified & directed.

Supply only the following items for aeration electric motor repaired under Schedule `A' item No 6 here in before. Note:- The fixing element of these items is deemed to be included under Schedule `A' item No 6 :-

(a) Hard metal upper mechanical seal assembly, Part No 890

(b) Hard metal lower mechanical seal assembly, part No 891

(c) Double row ball bearings, self lubricating and antifriction type upper bearing part No 971

(d) Over size double row ball bearings, self lubricating and antifriction type, lower

(e) Water tight cable terminal block with cable sleeve and strain relief

Supply only lubricating oil suitable for submersible motor of MAKE:- BPCL(Hydrol 46/turbol 46)/PCL(Hylubex-30)/IOL(Servo super 10)

Supply only Gear oil suitable for submersible motor of MAKE:- BPCL/HPCL/IOC

Supply & Fixing Alloy Steel chain 8mm dia complete all as directed.

Supply & Fixing Flexible pvc pipe 50 mm dia complete all as directed.

Supply & Fixing Flexible pvc pipe 80 mm dia complete all as directed.

Supply & Fixing Flexible pvc pipe 100 mm dia complete all as directed.

Testing of sewage water to check the Chemical Oxygen Demand and Bactorial Oxygen Demand from authrized laboratory. Note :- Rate for collection of water sample from Seawge treatment plant in their own container and carrying it to the Lab is included in the above item.

Supply, laying, jointing and testing PVC insulated, unarmoured, PVC bedded LT cable 1100V grade with stranded copper conductor of cross sectional area 6 Sqmm 3 core etc complete all as specified and directed. (Make: Finolex/National/Polycab/CCI/ICL/Premier cable/ Gloster)

Preparing old painted steel and metal based surfaces of any shape, size and description, removing oil, dust & rust by using sand paper or any method on all types of surfaces, filling cavities if any and applying one coat spray painting with synthetic enameled paint of approved quality (All as per E-in-C’s colour code) with and including writing E/M & MES Nos, Neatly on each machine complete all as specified and directed.

De-watering / emptying completely the existing Aeration chamber of any description and in any position and disconnecting & taking out Aerator Electric Motor 12 HP, 3 Phase, 415 Volts from Aeration tank including existing cable and transporting the motor to authorised workshop for repairs, fixing, commissioning and testing of the motor in its original position at site after necessary repairs etc complete all as specified & directed. otes : - (a) Cost of necessary T&P/crane required for De-watering of Aeration tank and taking out & fixing of the Aerator Motor from the Aeration tank are deemed to be included in this item. (b ) The necessary repairs of the Aerator motor shall be carried out by the authorize and approved agency at their workshop and quoted rates by the contractor for above item includes the transportation charges of Aerator motor to and fro workshop . (c ) The repairs / replacement carried out in the motor shall be measured and paid for separately under appropriate item of Schedule `A'.

Dismantling and strip opening of submersible pump & motor of any description and in any position for servicing /overhauling, cleaning, oiling/greasing, fixing of serviceable parts in position, removing & replacement of defective / unserviceable parts with new parts, reassembling the Pump & motor, ensuring proper alignment of pump and motor, fixing in position, connecting to existing system and testing at site on full load to the entire satisfaction of the Engineer-in-Charge for the following capacities pumps & motors :-

(a) 21/20 HP, three phase, 415 Volts, 50 Hz, AC supply

(b) 15 to 18 HP, Three phase, 415 Volts, 50 Hz, AC supply

(c) 10 to 12.5 HP, three phase, 415 Volts, 50 Hz, AC supply

(d) 05 to 7.5 HP, three phase, 415 Volts, 50 Hz, AC supply

Note: - (i) The replacement of defective / nonfunctional parts shall be measured & paid for separately as “Supply only” under appropriate item of Sch ‘A’ and fixing rate for new items are deemed to include under these item. (ii) Burnt out windings of motor shall be replaced, measured and paid for separately under appropriate item of Sch ‘A’ for rewinding. (iii) The rates for above items are deemed to include transportation to & fro of pumps/ motors to workshop as approved by Engineer-in-charge for necessary repairs, alignment and testing of pump and motors at workshop. (b) Re-metalling to Pump shaft, polishing and grinding and making standard size to matching with Gun Metal Bush / Neck-ring shall be measured and paid for separately under appropriate item of Sch ‘A’ (iv) Lifting of pump and motor from bore well and lowering of pump and motor after repairs shall be measured and paid separately under appropriate item of Schedule `A'.

Supply only the following items / parts of AC submersible motor of any description & any capacity, all as specified and directed by the Engineer-in-Charge

(a) Upper & lower rubber housing bush

(b) Stainless steel rotor sleeve.

(c) Thrust bearing complete set.

(d) Upper cast iron housing.

(e) Lower cast iron housing

(f) Upper MS Flange with stud

(g) Lower MS Flange with stud

(h) Motor base CI

(i) segment holder assembly

(j) Motor Strainer

(k) Locator

(l) "O" ring

(m) Circlip

(n) Allen drain plug G.M.

(o) Oil seal

Machining work for the following item & capacities of the submersible motors of any description, complete all as specified and directed:-

(a) Rotor machining,grinding balancing & reconditining.

(b) Motor tube boring,machining & reconditioning

(c) Motor lamination setting with material

(d) Thrust bearing & plate reconditioning

(e) Rotor reconditioning

(f) Slot repairing in stator

Supply only the rotor for the following capacity of AC submersible motor of any description, complete all as specified and directed:-

(a) Rotor for 10 to 12.5 HP Submersible motor

(b) Rotor for 15 to 18 HP Submersible motor.

(c) Rotor for 20/21 HP Submersible motor.

Supply only the following items / parts of multi- stage submersible pump of any description 05 to 7.5 HP capacity, complete all as specified and directed:-

(a) Coupling set with key of stainless steel

(b) Discharge outlet of cast iron

(c) Stage casing of Cast Iron

(d) Gun metal sand guard.

(e) Gun metal neck ring.

(f) Gun metal impeller.

(g) Gun metal body bush

(h) Pump Key

(i) Inlet bracket

(j) cable guard

(k) Pump strainer

(l) Tie bar

(m) Impeller lock nut

(n) Sim wisher

(o) LN key (Top wisher)

(p) Gun metal diffuser

(q) D.O. bush for diffuser

(q) Diffuser housing assy.

Material & labour for MS clamps made out of MS flat 65mm x 8mm thick (high carbon forged steel) made to shape and size as required for 80/50mm column pipes with and including suitable nuts, bolts & washers etc complete all as specified and directed

Supply only the following parts for multistage submersible pump of any description, 10 to 21 HP capacity, all as specified and directed by the Engineer-in-Charge

(a) Coupling set with key of stainless steel

(b) Discharge outlet of cast iron

(c ) Stage casing of Cast Iron

(d) Gun metal sand guard

(e) Gun metal neck ring.

(f) Gun metal impeller.

(g) Gun metal body bush

(h ) Stainless steel distance bush ( Spacer)

(i) Cast iron suction housing.

(j) Studs for suction housing

(k) Stainless steel connection pieces (Adopter)

(l) Pump Key

(m) Inlet bracket

(n) Cable guard

(o) Pump strainer

(p) Tie bar

(q) Impeller lock nut

(r) Sim wisher

(s) LN key (Top wisher)

(t) Gun metal diffuser

(u) D.O. bush for diffuser

(v) Diffuser housing assy.

Material and labour for GI bend 90 Degree suitable for 80mm dia column pipe, heavy duty, flanged & drilled at one end and socketed at other end with having arrangement for mounting pressure gauge complete all as specified and directed by Engineer-in-Charge. (MAKE : ITC / Uniteck Industries)

Supply only the shaft for the multistage submersible pump made out of Stainless steel of following description complete all as specified and directed :-

(a) Multistage submersible pump having 07 stages.

(b) Multistage submersible pump having 08 stages.

(c) Multistage submersible pump having 09 stages.

(d) Multistage submersible pump having 10 stages.

(e) Multistage submersible pump having 11 stages.

(f) Multistage submersible pump having 15 stages.

(g) Multistage submersible pump having 20 stages.

Disconnecting the existing non functional submersible pump set from supply, dismantling existing CI bend from non return valve, removing and lifting out submersible pump set of any description and capacity & in any position, alongwith existing column pipe 80/50mm dia and existing submersible cable of any size from the bore well 150mm bore (approximately 40 mtr depth of pump set from GL) complete all as specified and directed. NOTE: 1. Contractor shall take proper precautions while lifting out and removing pump set from bore well so as to avoid any damage to column pipe and submersible cable. All necessary T&P and equipments required for lifting out pump set etc shall be arranged by the contractor at his own cost 2. Taking out of Sunken submersible pump sets if any shall be measured and paid for separately under appropriate item of Schedule `A' without making any adjustment in above rates

Lowering down of the submersible pump set after repair of any description and any capacity & in any position, in bore well alongwith column pipe 80/50mm dia and submersible cable of any size (approximately 40 mtr depth of pump set from GL) complete all as specified and directed by Engineer-in-Charge including making necessary electric connections & testing the pump set after lowering. NOTE: 1. Contractor shall take proper precautions while lowering pump set in bore well so as to avoid any damage to column pipe and submersible cable. All necessary T&P and equipments required for lifting out pump set etc shall be arranged by the contractor at his own cost. 2. Rates quoted by the contractor for the above item includes the cost of assembling & connecting pump set to column pipes & assembling, jointing and fixing column pipes/pump sets/submersible cable and making necessary connections and including reconnecting water supply system. The required materials like column pipes/submersible cable/pump sets etc (new/old retrieved materials) shall be provided by the department to contractor for fixing and lowering in bore wells

Taking out & removing old burnt out windings of the submersible electric motors of following capacity and rewinding of submersible electric motors with existing size PVC insulated, copper conductor (Make : Finolex / Atlas/Devidyal) as approved by the engineer-in-charge including cleaning the slots with carbon- tetra-chloride solution before rewinding ,transportation to site, fixing / lowering in position & testing on full load etc complete all as specified and directed :-

(a) 21/20 HP, three phase, 415 Volts, 50 Hz, AC supply

(b) 15 HP, Three phase, 415 Volts, 50 Hz, AC supply

(c) 18 HP, Three phase, 415 Volts, 50 Hz, AC supply

(d) 10 HP, three phase, 415 Volts, 50 Hz, AC supply

(e) 12.5 HP, three phase, 415 Volts, 50 Hz, AC supply

(f) 7.5 HP, three phase, 415 Volts, 50 Hz, AC supply

(g) 5 HP, three phase, 415 Volts, 50 Hz, AC supply Note: (For Item No. 29.01 to 29.07) Only one time payment will be considered in complete contract period for submersible motor winding in case of submersible motor off loads/ burnt during contract period.

Repair to impeller of submersible pump of any description by brazing , welding, metalling, turning and polishing complete all as specified and directed , for the following capacities of the pumps coupled with submersible motors :

(a) 10 to 21 HP

Repair to Diffuser of submersible pump of any description by brazing , welding, metalling, turning and polishing complete all as specified and directed , for the following capacities of the pumps coupled with submersible motors :

(a) 10 to 21 HP

Taking out of sunken submersible pump set of any description and any capacity from existing bore wells of any depth and any dia all as directed by Engineer-in-Charge. Note:-1. All necessary T&P and equipments required for taking out pump set etc shall be arranged by the contractor at his own cost. 2. Cost and expenditure of lifting out column pipe and submersible cable shall be paid for separately under Schedule `A', respective item of Sch ‘A’. 3. Incase contractor fails to recover / taking out the sunken submersible pump sets from bore well, no payment shall be made to the contractor.

Cutting out the unserviceable / damaged portion of the 80mm bore GI column pipe of any grade, making new threads to suitable lengths (for providing long threaded socket) for jointing the pipes with old/new pipes to replace the unserviceable length or to increase the length of column pipe specified etc complete all as directed by the Engineer-in-Charge. Note:-1. Each cut & threading shall be measured as one unit but new socket, if any provided shall be measured and paid for separately under appropriate item of Schedule `A’ as supply only. 2. New column pipe length shall be measured and paid for separately under appropriate item of Schedule `A' as supply only

Supply only 6 Sqmm, 3 Core, flat submersible Cable, PVC insulated, PVC sheathed with multi-stranded copper conductors, 1100 Volt grade, complete all as specified and directed by Engineer-in-Charge. (Make Finolex / Incab / Nicco/Gloster/BCH/Plaza/Policab)

Supply only GI socket, heavy duty, seamless, long threaded ISI marked for 80mm bore column pipes all as directed by Engineer-in-Charge. NOTE: Fixing rates of the socket is deemed to be included in the rates quoted by the contractor for lowering of the submersible pump sets with column pipes under respective item of Sch `A’.

Supply, laying, jointing and testing column pipe of Galvanised iron medium grade 3.00 mtr long 80 mm bore both ended threaded and long socket complete oll as directed.

Supply, laying, jointing and testing column pipe of Galvanised iron medium grade 3.00 mtr long 50 mm bore both ended threaded and long socket complete oll as directed.

Supply only GI socket, heavy duty, seamless, long threaded ISI marked for 50mm bore column pipes all as directed by Engineer-in-Charge. NOTE: Fixing rates of the socket is deemed to be included in the rates quoted by the contractor for lowering of the submersible pump sets with column pipes under respective item of Sch `A’.

Flushing out /development of existing bore well of any depth and in any position, 150/200mm bore, with using suitable air compressor for ten hours (having minimum 5.5 Kg /cm 2 pressure) to augment the yield of the bore well all as directed by the Engineer-in-Charge. NOTE: - (i) All necessary T&P and equipments required for flushing out / development of bore wells set etc shall be arranged by the contractor at his own cost. (ii) Lifting out of submersible pump set, column pipes and cable before flushing out and lowering down of submersible pump set, column pipes and cable will be measured and paid for separately under appropriate item of Sch ‘A’

Material & labour for water proof joint of submersible cable 3 core of any size using fine rubber and M Seal etc all as directed by Engineer -in-Charge.

Material & labour for MS flange suitable for 80mm bore pipe including nut ,volts, washer, rubber gasket etc complete all as specified & directed.

Taking down unsv centrifugal pump set any make 20 to 30 Hp capacity and transpoting to civil work shop with and including loading and unloading and dismantling electric motor and pump set taking out old/burnt winding from the induction motor and unsv parts from the centrifugal pump set such as bearing cartidge DE and NDE side, impeller Ist stage and 2nd stage , pumpshaft etc and bringing back from the civil work shop insllated pump set its original position with and including minor spares such as nuts, bolts, and washers and testing complete all as specified and directed.

Cutting and taking out old/burnt winding from the stator of 20 HP induction motor and cleaning of stator with CTC solution and rewinding the induction electric motor with super enamelled heavy duty winding wire existing guage and existing Nos of turn with and including insulation material insulation paper, varnish and baking up till the complete insulating dried. all as as specified and directed.

Cutting and taking out old/burnt winding from the stator of 30 HP induction motor and cleaning of stator with CTC solution and rewinding the induction electric motor with super enamelled heavy duty winding wire existing guage and existing Nos of turn with and including insulation material insulation paper, varnish and baking up till the complete insulating dried. all as as specified and directed.

Overhauling the centrifugal pump set 20 to 30 HP capacity with and including all lathe work such as remetalling, grinding, polishing and balancing and and S&F the following parts:-

(a) Impeller Ist stage made of bronze

(b) Impeller 2nd stage made of bronze

(c ) Pump shaft high carbon steel

(d) Ball bearing DE 6307 Make : SKF

(e) Ball bearing NDE 3307 Make: SKF

(f) Interstage ring

(g) Gland DE/NDE

(h) Lantern ring

(i) Water deflector DE/NDE

(j) Impeller Key

(k) Coupling complete tyre type

Reconditioning of the pump 30 HP by opening and fitting of bearing with shaft into the bearing chamber with replacement of gland packing and bearing lock with cleaning of bearing chamber impeller opening and fitting complete. And machine work of shaft by filling of shaft material and grinding of shaft as per standard size i/c. cost of filling material with repairing and transportation charges from site to workshop and return to site etc complete all as specified & directed.

Making /Providing and fixing of shaft sleeve 30 HP having hardent for shaft & making new coupling, making of gun metal glain plate for both size of pump and making of glain bolts and making of pumps studs and making of gun metal impeller ring and gun metal bush and making of gun metal impeller jali etc complete all as specified & directed.

Reconditioning of the pump 20 HP by opening and fitting of bearing with shaft into the bearing chamber with replacement of gland packing and bearing lock with cleaning of bearing chamber impeller opening and fitting complete. And machine work of shaft by filling of shaft material and grinding of shaft as per standard size i/c. cost of filling material with repairing and transportation charges from site to workshop and return to site etc complete all as specified & directed.

Making /Providing and fixing of shaft sleeve 20 HP having hardent for shaft & making new coupling, making of gun metal glain plate for both size of pump and making of glain bolts and making of pumps studs and making of gun metal impeller ring and gun metal bush and making of gun metal impeller jali etc complete all as specified & directed.

Manish Electricals

M/S AUTOMATION AND SWITCHGEAR CONTROL

M/s Mahesh Engineering Works

M/s Manish Contractor

m/s anil traders

M/s Anupam Construction Co.

S K MECHANICAL WORKS