REPAIR MAINTENANCE RENEWAL TO FRESH WATER TREATMENT EQUIPMENT MOTOR PUMPS LT PANELS STARTER CLEANING OF UG SUMPS OF OH TANKS AT CTW CQAE INS VISWAKARMA AND BV YARD UNDER AGE E M II OF GE UTILITY II VISAKHAPATNAM

Amount

S&F GI tubing, medium grade with all fittings, complete fixed to wall and ceilings or laid in floors/trenches for the following sizes complete including taking up / down existing unserviceable pipe all as specified and directed by Engineer-in-Charge.

15mm dia bore

20mm dia bore

25mm dia bore

40mm dia bore

50mm dia bore

80mm dia bore

100mm dia bore

Supply and replace gun metal gate valve, with iron wheel head, screwed both ends, Class-II conforming to IS-9338 and fixed complete of the following sizes :-

20mm dia bore

25mm dia bore

40mm dia bore

50mm dia bore

Excavation in trenches n.exc 1.5 mtr wide and n.exc 1.5 mtr depth for laying of cables / pipes etc and getting out in soft / loose soil. complete all as specified.

Returning, filling in including spreading levelling watering and well ramming in layers not exc 25 cm with excavated soil.

Removing excavated material to a distance n.exc 50 mtr and depositing where directed at a level n.exc 1.5 mtr above the starting point all as directed.

M & L for road cutting / hard standing / path for laying of pipeline including filling & making good surface with PCC 1:3:6 C-1 type Using 20 mm graded stone aggregate & removing the debries to distance n.exe 50mtr complete all as specifed and as directed.

M&L cutting the Root of trees / branches of any size for laying / repairs of pipeline including filling & making good surface

Dismantling of old valve chamber of any size including taking out rusted MS sheet with angle iron frame all as directed at site.

M&L for construction of brick massionary and valve chamber with angle iron frame and MS sheet cover 3mm thick duly painted 2 coats of red oxide/ zinc chromate primer including lifting handle, locking arrangement, excavation and earth work , plastering complete all as specified for the following internal dimension:-

600 mm x 600 mm x 600 mm

900 mm x 900 mm x 900 mm

1200 mm x 1200 mm x 1200 mm (for Water meter at Range )

Supply & Lay in trenches Ductile Iron pipe class K 9 ISI marked spigot socket end centrifugally lined Jointing with flexible rubber gaskets push on type joints with cement mortar including taking down of existing pipes complete all as directed by Engr-in-charge.

100 mm bore

200 mm bore

Supply & replace sluice valve of cast iron body with flanged ends duly drilled ISI marked (as per IS (14846-2000) PN - 1.6 with brass spindle and check nut including operating wheel etc. and fixed with new bolts, nuts, washers and rubber insertion packing all as specified and directed for the following bores:

150 mm bore

100 mm bore

80 mm bore

S&F the following size pipes of 3-layer PP-R (Polypropylene random copolymer) concealed SDR 7.4 Stabilized and antimicrobial fusion welded having thermal stability for hot and cold water supply all PP-R plain and brass threaded polypropylene random fittings fixed to walls, ceilings etc, complete including taking down old unserviceable GI pipe all as specified and directed by Engineer-in-charge

40 mm Dia

50 mm Dia

S & F in repair PPR Gate Valves (Brass Insert) for PP-R pipe lines and fittings for following sizes. Complete all as specified.and directed

25 mm dia

32 mm dia

40 mm dia

50 mm dia

M&L for replacement of U/S rubber insertion packing sutiable for foot valve ,suction pipe flanged including replacement of U/S nuts and bolts for following sizes of foot Vaive.

150mm dia

100 mm dia

80 mm dia

S & F in repair foot valve cast iron including rubber insertion packing materials, nuts, bolts and washer for the following Sizes

M&L for repair & overhauling of squirrel cage induction electrical motor , 3 phase, 415 volts incl disconnecting all electrical connections ,decoupling from pump,taking down the motor from foundation , cleaning and varnishing the stator & rotor winding, heating and drying, replacement of burnt terminals, greasing to bearings, re-assembling the motor and refixing of motor on the foundation by using new nut, bolts and washers, coupling with pump,checking alignment connecting all electrical connections,checking the vibrations, RPM,DOR ,painting with one coat of synthetic enamel paint after preparing the surfaces and testing on full load all as directed and specified for the following capacities of motors:-

100 HP induction motor

40 HP induction motor

20 HP induction motor

M&L for repair & overhauling of centrifugal pump set of any make, dismantling and taking down pump after disconnecting water supply connections,decoupling from motor removing out impeller, cleaning, descaling , greasing to bearings incl replacement of unserviceable parts such as bearingsDE & NDE, pump shaft sleeves, coupling pully, pump shaft etc. Assembly in the pump with new packing materials, nuts, bolts& washers , gland bolt & packing,coupling bushes ,coupling bolts and coupling with motor checking for vibration & alignment connecting delivery and suction pipe, painting with one coat of synthetic enamel paints testing the pump set all as directed by Engineer-in-Charge for the pump set of following capacities:-

M&L for repair & overhauling of monoblock pump set, taking out impeller, cleaning, descaling & greasing to bearings incl replacement of unserviceable parts such as bearings DE & NDE, gland flange, etc. Cleaning and varnishing the starter and rotar, winding, heating and drying replacement of burnt terminals of motor assembling in the pump with new packing materials nuts, bolts, washers checking alignment connecting all electrical/water connections,checking the vibrations& alignment, RPM,DOR ,painting with one coat of synthetic enamel paint after preparing the surfaces , testing the pump set on full load all as directed by Engineer-in-Charge for the pumpsets of following capacities:-

Monoblock pump set 20 HP

Monoblock pump set 10/12.5 HP

Monoblock pump set 05 HP

Monoblock pump set 03 HP

Note for Sl item Nos 16 to 18 :- (i) cost of small U/S parts such as new packing materials, nuts, bolts & washers , gland bolt & packing, coupling bushes , coupling bolts are is deemed to be included in quoted rates (ii) major unserviceable spares as listed below will be measured and paid separately as supply only.

Supply only the following items :-

Bearings DE & NDE for 100 HP motor

Bearing DE and NDE for pump coupled with 100 HP motor.

Bearing DE and NDE for 40 HP motor

Bearing DE and NDE for pump coupled with 40 HP motor.

Bearings DE & NDE for 20 HP motor

Bearing DE and NDE for pump coupled with 20 HP motor.

Pump shaft sleeves for 100 HP pump set.

Pump shaft sleeved for 40 HP pump set

Pump shaft sleeves for 20 HP pump set.

Bearings DE & NDE for 10/12.5 HP monoblock pump set

Bearings DE & NDE for 05 HP monoblock pump set

Bearings DE & NDE for 03 HP monoblock pump set

Pump shaft high carbon steel with check nut for 100 HP pump set

Pump shaft high carbon steel with check nut for 40 HP pump set

Pump shaft high carbon steel with check nut for 20 HP pump set

M & L in repairs for gland packing of required size gland superior quality to centrifugal / monoblock pumps of following capacities all as specified and directed :-

M&L for replacement of pumpset coupling pully with rubber band,nuts and bolts for the following capacity

M&L for rewinding the submersible motor PVC insulated copper conductor of same gauge and same number of turns as that of existing including tieing the winding and connecting the coils and bringing the connections as that of existing complete all as specified for submersible motor of upto 4 HP capacity

M&L for rewinding the submersible motor PVC insulated copper conductor of same gauge and same number of turns as that of existing including tieing the winding and connecting the coils and bringing the connections as that of existing complete all as specified for submersible motor for 5 HP capacity

Opening the submersible pump set of 2 to 5 HP for inspection, repairs and re-assembling the pump and motor as per the original assembly after repairs / replacing the worn out unserviceable parts with new parts as ordered, including cleaning replacing the minor items like packing bolts, nuts washers and MS clamps etc and applying one coat of approved spray paint on exposed steel surface, making the pump and motor fully serviceable including lathework etc., and testing the same for satisfactory operation on its full load all as specified and directed by Engineer - in - Charge. Note: The spares required for replacement shall be measured and paid seperately under relavent items of BOQ

Supply only the following spares for submersible pump set of 2 to 5 HP capacity

Thrust bearing set

Impeller

Shaft key

Stage casing

Neck ring stage casing

Sand guard

Middle sleeve

Middle bearing bush

impeller housing

Bearing bush set

Diffuser

M&L for Cleaning of underground sumps after dewatering and cleaning with high pressure water jet to remove all masses, algae and dirt and removal of dirty water along with sludge using sludge machine and disposal of the same to a safe distance and including scrubbing of internal surfaces using industrial vacuum machine and applying of anti bacterial sterlization spray to walls, floors and ceilings all as directed for following Capacity.

Note: (i) The Rate coated by the contractor is deemed to include provision stickering of date of cleaning on the existing board letter / figures ( Block, Roman, Italic or Indian) in White colour and size as per existing font. (Date of Tank Cleaned in format of (DD/MM/YY)

30000 gallons capacity

10000 gallons capacity

M&L for painting to old CI/DI/MS pipes & Valve chamber cover by making surface of any description by scraping & painting one coats of synthetic enamel paint as per existing colour

M & L writing letters or figures (Block, Roman, Italic or Indian) letters 5 cm long n.exc 30 cm high with skilled labour

M & L writing Index hands (natural size) or arrow marks showing direction of water flow on CI/DI/MS pipes of any size up to 40 cm long all as directed at site.

M&L for stone masonry for walling of random rubble, uncaused, well bonded, built in cement mortar 1:4 for construction of thrust block for the support of water supply pipe line including demolition of existing masonry work complete all as directed by Engr-in-Charge.

Supply and fixing of Submercible cable of size three phase 4 sqmm all as specified and directed

S & F in replacement operating Handle for panel mounted change over Switch of following rateings. Complete all as specified and as directed by Engr-in-Charge.

63 Amps to 100 Amps

125 Amps to 200 Amps.

250 Amps to 315 Amps.

Supply and fxing MCB , SPN , 40Amps, 10 KA , 240 volts complete.

Supply and fxing MCB , SP, 6 to 32 Amps, 10 KA , 240 volts complete.

S & F LED Multifunctional meter with CTs Complete all as specified and directed Make:CAT No. WL411010OOOO of L&T or its equivalent in Legrand/ ABB/ Siemens/ GE/ C&S Electric Ltd/ Schneider as approved by GE.

S & F Indication Lamp (LED type) Set of 3 Complete all as specified and directed by Engr in-Charge. Make L&T or its equivalent in Legrand/ ABB/ Siemens/ GE/ C&S Electric Ltd/ Schneider as approved by GE.

S&F in repair MCCB 4 Pole, 415 V, fixed type, 63 to 100 Amps with breaking capacity 16 KA. complete all as directed

S&F in repair MCCB 4 Pole, 415 V, fixed type, 125 Amps with breaking capacity 16 KA. complete all as directed

S&F in repair MCCB 4Pole, 415 V, 160 Amps with breaking capacity 36 KA.Adjustable type. complete all as directed

S&F in repair MCCB 4 Pole, 415 V, 200 Amps with breaking capacity 36 KA. Adjustable type. complete all as directed.

S&F in repair MCCB 4 Pole, 415 V, 250 Amps with breaking capacity 36 KA.Adjustable type. complete all as directed.

Supply and replacement of DOL starter for pump sets of capacity 7.5 HP AC, 415V 50 Hz 3 phase, relay range 13-22 Amps. complete all as directed.

Supply and replacement of Star delta starter for pump sets of following capacity AC, 415V, 50 Hz 3 phase complete all as directed.

10 HP to 12.5 HP

Repair to AMF panel of 125 KVA DG Set, by tracing out the defects and replacing unserviceable parts including control wiring testing complete all as specified and directed by Engr-in-charge.Note:- The quoted rate deemed to be inclusive of necessary replacement of unserviceable items like Copper cable, Indication lamps, DC Amp & Volt meter

M&L for Maintenance and servicing of alternator of any make of any capacity by opening the end cover, cleaning the dust and rust formed over the terminals, cleaning with CTC liquid up to the satisfaction and checking of diodes , excitation winding, isolating transformer and AVR panel and applying Dr. beck paint for insulation improvement over the strips/ winding and drying till getting sasfactory insulation resistance complete, and refixing the covers and testing complete all as specified and directed for the following capacity of alternators:-

up to 75 KVA DG set

82.5 KVA DG set

100 KVA TO125 KVA DG set

200 KVA DG set

500 KVA DG set

Supply and replace the unservicable fan belts suitable for DG Set of capacity

62.5 to 82.5 KVA capacity

100 to 200 KVA capacity

Supply, install, commissioning and testing Capacitor bank cylindrical type heavy duty for 3 phase, 440 V & 50 Hz system of capacity 5 KVAR without incoming MCCBs.

S & F AMF control panel factory made floor mounted, totally enclosed fabricated out of CRCA sheet 16 SWG,over an angle iron frame made out of 50 x 50 x 6mm angle with removable side cover hinged front panel and rear panel of easy accessibility complete with external wiring of suitable size copper conductor cable and cable glands for external connection of DG for 75 KVA capacity comprising of following:

Main in coming MCCB, 4 pole,415 volt, 200 Amps, 25 KA,- 1 No

Copper bus bar of cap 200 Amps - 01 set

Neutral Link - 01 Set

AMF Relay - 01 Nos

Digital Frequency metre - 01 No

HRC type instruments fuse - 03 Nos

LED indication lamp for DG set on / off indication - 01 Set

Push Button for ON / OFF

Trickle / Boost Switch

Circuit diagram plate.

CT operated digital KWH metre - 01 No

Power factor meter digital type - 01 No

Reverse power relays and suitable contactors - 01 set

Manual mode, auto mode. test mode - 01 set

Hooter 24 V -01 No;

CT of ratio 305 5P-10 15 KVA - 01 No

Overhauling of following mentioned radiator assy of DG set by disconnecting and removing from eingine, dismantling the top & bottom chambers, descalling the sediments and scales, corrosion etc., by means of acid cleanig and high pressure water washing , air cleaning, re assembling the same with new gaskets, including arresting leakage, if any and fixing to the engine with new hoses, clipes as required Note : The rate qouted shall be inclusive of transporting of the radiator to the workshop and back and all incidental charges.

500 KVA capacity

200 KVA capacity

125 KVA capacity

82.5 KVA capacity

62.5KVA capacity

Supply & Filling Engine Oil SAE 15W-40W-Make :- (VOLVOLINE/IOC )

Supply and filling radiator coolant Make :- (VOLVOLINE/IOC )

Overhauling of following mentioned Self Starter assembly of DG Set by disconnecting and removing from the engine, cleaning all accessories, replace the wornout parts like :- brushes, bushes, contact plates, jumping leads and seals, revarnishing the field coil, armature and reassembling the same, refitting the engine and including testing all as per manufacturer's instruction and as directed .

Self starter assembly, 24 Volt DC

Self starter assembly, 24 Volt DC

Self starter assembly, 12 Volt DC

S & F Armature for 200 KVA DG Set.

S & F Bendex of suitable for 200 KVA DG Set

S & F Bearing /bushes for 200 KVA DG Set

S & F Relay switch for 200 KVA DG Set

S & F Armature for 150 KVA DG Set

S & F Bendex of suitable for 150 KVA DG Set

S & F Bearing /bushes for 150 KVA DG Set

S & F Relay switch for 150 KVA DG Set

S & F Armature for 75 KVA DG Set.

S & F Bendex of suitable for 75 KVA DG Set.

S & F Bearing /bushes for 75 KVA DG Set.

S & F Relay switch for 75 KVA DG Set.

S/F Automatic voltage regulator (AVR) suitable for DG Set 500KVA

S/F Automatic voltage regulator (AVR) suitable for DG Set 200/125/82.5 KVA

S/F Automatic voltage regulator (AVR) suitable for DG Set 62.5/45KVA

S/F Radiator assembly suitable for DG Set 500 KVA D G set

S & F low oil pressure switch

S & F Battery lead

S & F stopping solenoid 500 KVA capacity

S & F stopping solenoid 125/100 KVA

S & F Stopping solenoid 125/75/62.5/45/30 / 20 /15 KVA

S & F battery terminal

S & F Benjo Bolts

S & F fuel pipe filter

S & F lube oil pipe

S & F Anti Vibration rubber pad

S & F DC Ammeter

S & F Lube oil pressure gauge

M&L for painting of LT panel by spraying two coats of epoxy based paint over a coat of red oxide primer after cleaning of rusty panel surface of both inside/ outside by emery paper and necesary preparation of old steel surface complete all as specified and as directed.

Prasad and Suresh Constructions

CHAITANYA CONSTRUCTIONS

RATNA ENTERPRISES

LAKSHMI SAI CONSTRUCTIONS

GVR CONSTRUCTIONS

SAMPATH ENTERPRISES