Repairs Replacements and Maintenance of Electrical items Equipments installed within Eight 08 numbers Intermediate Pumping Stations around Dal Periphery feeding pump stations of STP and 17.08 MLD Sewage Treatment Plant Brarinambal

Amount

Rewinding of AC Induction Motors of Sewage Submersible Pumping Units of make Kirloskar/ Flowmore/ KSB/ Darling/ Xylem as and when required during contract period including to and fro carriage of complete units, disassembling, reinstallation after rewinding, repairs or replacement of connection plates, terminals but excluding providing and fitting of driving end and non-driving end bearings. The damaged copper coils have to be retained by the contractor and rate to be quoted shall be inclusive of rebate on this account. The rewound motors shall have defect liability period of six months. The rating of the AC Induction Motors to be rewound is given hereunder:

20 Hp of 2-cusec pumping units

30 Hp of 3-cusec pumping units

05 Hp of 0.45-cusec pumping units

3 Hp of 14 LPS pumping units

75 Hp of 5-cusec pumping units

50 Hp of 5-cusec pumping units

100 Hp of 10-cusec pumping units

Rewinding of AC Induction Motors coupled to Horizontal shaft disposition sewage Pumping Units of make Kirloskar/ Flowmore/ Mather and Platt as and when required during contract period including to and fro carriage of motors between site and workshop, decoupling of motors from pumping units, assembling the motors at site after rewinding, testing and commissioning of the rewound motors, providing and fitting of terminals but excluding providing and fitting of driving end and non-driving end bearings and connection plates. The damaged copper coils are to be retained by the contractor and rate to be quoted shall be inclusive of rebate on this account. The rewound motors shall have defect liability period of six months. The rating of the AC Induction Motors to be rewound is given here under:

120 Hp Prime mover

100 Hp Prime mover

75Hp Prime mover

60 Hp Prime mover

50 Hp Prime mover

40 Hp Prime mover

30 Hp Prime mover

25 Hp Prime mover

20 Hp Prime mover

12.5 Hp Prime mover

7.5 Hp Prime mover

3 Hp Prime mover

1.5 Hp Prime mover

1.00 Hp Prime mover

Repairs to 3-phase voltage stabilizers as and when required during contract period by way of providing and fitting of new copper coils after dismantling damaged 03 numbers copper coils, replacement of bush rods, terminals, replacement of voltage regulator plates including to and fro carriage of units between site and workshop, disassembling, reinstallation and testing. The damaged copper coils are to be retained by contractor and the rate quoted should be inclusive of rebate on this account.The rate is to be quoted for rewinding of 03 coils.If only one coil is damaged,allotee would be paid proportionately for the number of coils rewound. The repaired voltage stabilizers shall have defect liability period of 06 months. The ratings of the voltage stabilizers to be repaired are:

25 KVA (single phase)

Repairs to 3-phase servo stabilizers as and when required during contract period by way of providing and fitting of items detailed below. The damaged items are to be returned to the department. The repaired/replaced items shall have defect liability period of 06 months. The ratings of the servo stabilizers and the items to be repaired or replaced is given hereunder to be repaired are:

Dimmer coil for 400 KVA servo stabilizer

Buck n boost coil for 400 kva serv stabilizer

Dimmer coil for 200 KVA servo stabilizer

Buck n boost coil for 200 KVA servo stabilizer

Dimmer coil for 100 KVA servo stabilizer

Buck n boost coil for 100 KVA servo stabilizer

Dimmer coil for 50 KVA servo stabilizer

Buck n boost coil for 50 KVA servo stabilizer

10 kg-cm servo motor

20 kg-cm servo motor

Electronic smart Control card for 400/200/100 kva servo

Repairs to 3-phase distribution transformers as and when required during contract period by way of arranging skilled manpower for disconnecting it from HT lines, disassembling, lowering and shifting to work shop and back to site after rectification of damages. Repairs to transformer coils, providing and fitting of bush rods, providing/filling of transformer oil or rectification of other damages as required. To and fro carriage of unit between site and work shop, is included in the job. The repaired distribution transformer shall have defect liability period of 06 months. The ratings of the distribution transformer to be repaired are:

63 KVA distribution transformer

100 KVA distribution transformer

250 KVA distribution transformer

400 KVA distribution transformer

1 MVA distribution transformer

Providing , fitting, testing and commissioning of moulded case circuit breakers (AC 415 V) as and when required during contract period of makes L & T/ Siemens/ Havells conforming to IEC:60947-11/IS:13947-11 as per the ratings given below after removing old damaged MCCBs from panels. The MCCBs shall have defect liability period of 06 months.

63 A, 25 KA, 3 Pole MCCB

100 A, 25 KA, 3 Pole MCCB

125 A, 25 KA, 3 Pole MCCB

150 A, 25 KA, 3 Pole MCCB

160 A, 25 KA, 3 Pole MCCB

200 A, 35 KA, 4 Pole MCCB

250 A, 35 KA, 4 Pole MCCB

400 A, 36 KA, 4 Pole MCCB

630 A, 36 KA, 4 Pole MCCB

800 A, 85 KA, 4 Pole MCCB

Providing , fitting, testing and commissioning of on load change over switches confirming to IEC:60947-3; IS:13947 as and when required during contract period of makes L & T/ Siemens/ Havells as per the ratings given below after removing of old damaged change over switches with defect liability period of 06 months.

125 A, 4 pole, open execution Changeover switch

125 A, 4 pole, with enclosure Changeover switch

160 A, 4 pole, open execution Changeover switch

160 A, 4 pole, with enclosure Changeover switch

200 A, 4 pole, open execution Changeover switch

250 A, 4 pole, open execution Changeover switch

400 A, 4 pole, open execution Changeover switch

630 A, 4 pole, open execution Changeover switch

800 A, 4 pole, open execution Changeover switch

Providing, fitting, testing and commissioning of three pole and neutral, AC-23 A, 50 Hz, 415 V switch disconnector fuse unit, confirming to IS: 13947 (part I & III) as and when required during contract period of make LnT/ Siemens/ Havells as per the ratings given below after removing of old damaged switch disconnector fuse unit with defect liability period of 06 months.

125 A (Open Execution)

125 A (with enclosure)

250 A (Open Execution)

250 A (with enclosure)

Providing and fitting of HBC Fuse Links as and when required during contract period confirming to IEC 60269-1 & 2/ I/S-13703-1 & 2-1 as per the ratings given below after removing old damaged HBC fuse links with defect liability period of 06 months.

Providing, fitting, testing and commissioning of three pole contactors with AC coils as and when required during contract period confirming to IEC: 13947 & IS: 13947 of make LnT/ Siemens/Havels as per the ratings given below after removing old damaged contactors with AC coils with defect liability period of 06 months:

3 pole Ie 9A, Ith 25A, 5 Hp

3 pole Ie 12A, Ith 25A, 7.5 Hp

3 pole Ie 18A, Ith 32A, 12.5 Hp

3 pole Ie 25A, Ith 40A, 15 Hp

3 pole Ie 32A, Ith 50A, 20 Hp

3 pole Ie 40A, Ith 60A, 30 Hp

3 pole Ie 50A, Ith 80A, 35 Hp

3 pole Ie 65A, Ith 80A, 50 Hp

3 pole Ie 80/85A, Ith 125A, 60 Hp

3 pole Ie 95/100A, Ith 125A, 60 Hp

3 pole Ie 115A, Ith 200A, Hp

3 pole Ie 150A, Ith 250A, 100 Hp

3 pole Ie 185A, Ith 275A, 125 Hp

3 pole Ie 225A, Ith 315A, 150Hp

Providing, fitting, testing and commissioning of manual reset electronic overload relays as and when required during contract period of make LnT/ Siemens/ Havells and having relay range as given below after removing old damaged electronic overload relays with defect liability period of 06 months.

Providing, fitting, testing and commissioning of direct online starters as and when required during contract period of make LnT/ Siemens/ Havells confirming to IS: 13947-4 of ratings given below after removing old damaged direct online starters with defect liability period of 06 months.

5 Hp with contactor rating 12 and overload relay range 7-10 A.

7.5 Hp with contactor rating 1 and overload relay range 10-13 A.

Providing and fitting of 1.1 KV, three and half core, XLPE insulated, Aluminum Armoured cables as and when required during contract period confirming to IS: 7098 (part-I), 1988 as per the details below after removing damaged cables from cable trays and cable trenches. The cables shall have defect liability period of 06 months.

25 mm2, 3.5 core, XLPE insulated, Aluminum Armored cable

35 mm2, 3.5 core, XLPE insulated, Aluminum Armored cable

50 mm2, 3.5 core, XLPE insulated, Aluminum Armored cable

70 mm2, 3.5 core, XLPE insulated, Aluminum Armored cable

95 mm2, 3.5 core, XLPE insulated, Aluminum Armored cable

120 mm2, 3.5 core, XLPE insulated, Aluminum Armored cable

150 mm2, 3.5 core, XLPE insulated, Aluminum Armored cable

300 mm2, 3.5 core, XLPE insulated, Aluminum Armored cable

400 mm2, 3.5 core, XLPE insulated, Aluminum Armored cable

500 mm2, 3.5 core, XLPE insulated, Aluminum Armored cable

630 mm2, 3.5 core, XLPE insulated, Aluminum Armored cable

Providing and fitting of 1.1 KV, three core, PVC/ XLPE insulated, copper Armored cables confirming to IS: 7098 (part-I), 1988 as per the details below after removing damaged cables from cable trays and cable trenches.

4 mm2, 3 core, PVC/XLPE insulated, copper Armored cable

6 mm2, 3 core, PVC/ XLPE insulated, copper Armored cable

10 mm2, 3 core, PVC/ XLPE insulated, copper Armored cable

16 mm2, 3 core, PVC/ XLPE insulated, copper Armored cable

25 mm2, 3 core, PVC XLPE insulated, copper Armored cable

Providing and fitting of 1.1 KV, Single Core, PVC insulated, unarmored copper conductor as and when required during contract period confirming to IS: 7098 (part-I), 1988 as per the details below after removing damaged cables from cable trays and cable trenches.

1.5 mm2, Single core, PVC insulated, copper unarmored cable

2.5 mm2, Single core, PVC insulated, copper unarmored cable

1 mm2, Single core, PVC insulated, copper unarmored cable

Providing and fitting of aluminum lugs/ thimbles as and when required during contract period confirming to BS EN 61238 after replacement of damaged aluminum lugs/ thimbles from aluminum cables. The size of the lugs/ thimbles is given hereunder:

16 mm2/ conductor

25 mm2/ conductor

35 mm2/ conductor

50 mm2/ conductor

70 mm2/ conductor

95 mm2/ conductor

120 mm2/ conductor

150 mm2/ conductor

185 mm2/ conductor

300 mm2/ conductor

400 mm2/ conductor

630 mm2/ conductor

Providing and fitting of copper lugs/ thimbles as and when required during contract period confirming to BS EN 61238 after replacement of damaged copper lugs/ thimbles from copper cables. The size of the lugs/ thimbles is given hereunder:

Providing and fitting of single phasing preventers with system supply 415 VAC, 50 Hz of make LnT/ Siemens as and when required during contract period. The preventer is to be provided and fitted after removing damaged single phasing preventer from starter panel. The single phasing preventer shall have defect liability period of six months. The single phasing preventers are to be provided and fitted in starter panels of motor ratings 20 Hp, 30 Hp, 40 Hp, 50 Hp, 60 Hp, 75 Hp, 100 Hp and 120 Hp.

Providing and fitting of motor protection relays with auxiliary supply range of 380-440 VAC and indications of steady on, power on, overload, dry run, phase failure and unbalance of make LnT/ Siemens as and when required during contract period with defect liability period of six months. The motor protection relays are to be provided and fitted after removing damaged relays from starter panels, the relays are to be provided and fitted in starter panels of motor ratings 20 Hp, 30 Hp, 40 Hp, 50 Hp, 60 Hp, 75 Hp, 100 Hp and 120 Hp.

Providing and fitting of 11 KV link set (polymer type) after replacing of old damaged link sets from sub-stations (as and when required during contract period).

Providing and fitting of 11 KV dropout set (polymer type) after replacing of old damaged dropout sets from sub-stations (as and when required during contract period).

Providing and fitting of indoor and outdoor cable kits (as and when required during contract period) after replacing of old damaged cable kits from sub-stations.

Providing and fitting of LT Shackle insulators (as and when required during contract period) after removing of old damaged insulators from sub-stations.

Providing and fitting of pin insulators (as and when required during contract period) after removing of old damaged pin insulators from sub-stations.

Providing and fitting of 0-200 A moving iron, fixed coil, square dial industrial type ammeters to the panel boards of various motors of pumping units and equipments. The job includes cost on account of additional wiring after connections and removing of damaged ammeters from the panels. The preferable makes of ammeters are AE/ EE and shall have defect liability period of 06 months (as and when required during contract period).

Providing and fitting of 0-500 V moving iron, fixed coil, square dial industrial type voltmeters to the panel boards of various motors of pumping units and voltage stabilizers (as and when required during contract period). The job includes cost on account of additional wiring for connections and shall have defect liability period of 06 months. The preferable makes of voltmeters are AE/EE.

Earthing of electro-mechanical equipments through excavation of trenches and burying 02 numbers Galvanized iron plates of 600 x 600 x 6 mmvertically below 3-meters round surface. Connecting these plates through GI strip of size 50mm x 6 mm with the equipments and filling of trenches by means of charcoal and salt as per instructions of engineer in charge. Providing and fitting of 25mm dia GI pipe for maintaing moist conditions with wire mesh as per guide lines provided in standard codes practice IS: 3043 for earthing of equipments(as and when required during contract period).

Providing and fitting of electronic governor for 82.5 KVA DG SET after removing of old damaged governor from DG Set. The replaced governor shall have defect liability period of 06 months (as and when required during contract period).

Providing of the services of qualified electrician for undertaking repairs and replacements of lighting/ heating circuits within pump stations, STP, administrative block, divisional office, circle office and direction office(as and when required during contract period).

Providing and fitting of electronic timmer with input supply of 415 VAC, timing range of 13-18 Seconds of Lnt or Siemens make within starter panels after removing of damaged timers from panels of pumping units with defect liability period of 06 months (as and when required during contract period).

Providing and fitting of button pendant switches with red/ green shades for on/off operation control panels of reputed ISI make after removing damaged Push Buttons from panels (as and when required during contract period).

Providing and fitting of 180 AH batteries for DG Sets installed within pump station and 17.08 MLD STP (Brarinambal). The old batteries are to be retained by the contractor. The preferable make for the batteries is EXIDE (as and when required during contract period).

Providing and fitting of input/output bushing for manual voltage regulators of capacities 100 KVA, 150 KVA, 200 KVA, 300 KVA and 400 KVA after removing damaged bushing from 3-phase voltage regulators installed in various pump stations and STP(as and when required during contract period).

Providing and fitting of energy saving and environment friendly long life versatile pressure die cast aluminum IP 66 roadway luminary with high power LED as light source with acrylic cover (as and when required during contract period).

Providing and fitting of miniature circuit breakers of makes Lnt/ Siemens/ Havells/ GM for lighting system of pump stations, STP, administrative block, Divisional office, Circle office and Direction office after removing damaged MCBs from the lighting system, as per the specifications given below(as and when required during contract period):

Single pole, 6 A MCB

Single pole, 10 A MCB

Single pole, 16 A MCB

Single pole, 20 A MCB

Single pole, 32 A MCB

Double pole, 40 A MCB

Double pole, 63 A MCB

Three pole, 63 A MCB

Providing and fitting of 9 meter long electric steel tubular poles for electric substations,comlete with cement bottoming in 1:2:4 mix in trenches of size 2’x2’x3’.

Providing and fitting of 6A MODULAR TYPE SS combine with 16 A top of reputed make.

Providing and fitting of 6 A ON/OF switches of reputed make along with fixtures,PVC gang boxes.

Providing and fitting of modular type 6A,3 PIN SOCKETS,gang boxes of reputed make.

Providing and fitting of 12 watt LED surface lighting assemblies with all accessories viz angle/batten holders,PVC SQUARE BLOCKS,ROUND BLOCKS ETC of reputed make.

Providing and fitting of 1200 mm sweep ceiling fan of reputed make.

Providing and fitting of PVC Channels of 25 mm size.

Providing and fitting of flap type, 300 mm sweep exhaust fan of reputed make.

Providing and fitting of carbon brushes for 400 kva servo stabilizers.

Providing and fitting of dimmer arm for 400 KVA/200 KVA/ 25 KVA servo stabilizers after removing of old damaged dimmer arm of 400 KVA/200 KVA/ 25 KVA Servo Stabilizer with 06 months defect liability period(as and when required during contract period).

Providing and filling of transformer oil as and when required during contract period confirming to IS: 335-1972 having dielectric strength of 3 KV/ mm (rms.) flash point 1040C, Resistivity 13 x 100C, emulsion resistant and with low viscosity.

Providing and fitting of slip ring assembly as per sample for rotating equipments after removing the damaged slip rings at 17.08 MLD STP Brarinambal (as and when required during contract period).

M/S Evergreen Enterprises

M/S MIR ELECTRICALS and MECHANICAL ENG WORKS

M/s Shaheen Enterprises