Repair / maintenance of LT panels and other connected works at AF Stn Nal under GE (AF) Nal

Amount

S&F as in repairs LT Panel Indoor type floor mounted free standing dust and vermin proof panel / DB with IP-42 protection, CPRI approved, frame fabricated out of 40mm x 40mm x 4mm angle iron, 2 mm thick CRCA sheet for entire outer panel with single door and locking arrangements & 1.6 mm for inner compartment with 40mmx4mm flat Iron, including Separate cubicle chamber with cable alley not less than 300mm width for installation/connecting switchgears with the main bus bar using aluminium bus link or copper conductor flexible wires suitable for switch rating and connecting outgoing terminals of the switchgear with terminal blocks of appropriate current rating using flexible copper wires duly terminated by cable lugs and thimbles, MS surfaces epoxy based powder coated, shade as approved over 2 coats of red oxide primer, surfaces pre-treated in seven tank process for de-greasing, de-rusting & Phosphated, panel having front and rear opening and provision for installation of separate cable alleys, busbar chamber and switchgear compartments, Provision in cable alleys for bottom cable entry for incoming & outgoing cables, affixing MV danger plate at suitable intervals / locations including erection, testing and commissioning complete all as specified and directed including fixtures amd fitments mentioned against srl 1.01 & 1.02 below:-. Location: North Loop Sub station in Tech Area

Outgoing:- Separate cubical chamber with a cable alley not less than 300 mm width for installation/connecting the following switch gear with the main bus bar using aluminium bus link or copper conductor flexible wires suitable to the switch rating and connecting outgoing terminals of the switch gear with terminal blocks of appropriate current rating using flexible copper wires duly terminated by cable lugs and thimbles. (i) MCCB, 4 pole 160 A, 25 KA -01 No (ii) MCCB, 4 pole 100 A, 25 KA -06 No (iii) MCCB, 4 pole 63 A, 25 KA -02 Nos Make of MCCB: Legrand / Seimens / Schneider / ABB Note:- (i) A clear space of 200mm shall be kept from floor level for switchgear compartment. (ii) Air ventilation breathers with exhaust fan plastic body 100mm sweep to be provided for heat dissipation. Suitable sized knock-out holes for cable glands shall be provided. (iii) Each compartment shall be numbered / lettered as approved by GE. (iv) LT panel shall be fixed in existing location and the disturbed surrounding surfaces shall be made good as per exising specifications. The cost of making good shall be deemed included in unit quoted rate. (v) Contractor shall submit the GA drawings of LT Panel for approval of GE before placing the bulk order

All as per serial item No. 1 here in before but with the changes mentioned against Serial 2.01 & 2.02 below:- Location: Old Power House inTech Area.

Outgoing:- (i) MCCB, 4 pole 200 A, 25 KA -01 No. (ii) MCCB, 4 pole 100 A, 25 KA -06 No

S&F as in repairs LT Panel Outdoor type floor mounted free standing dust and vermin proof panel / DB with IP-55 protection, CPRI approved, frame fabricated out of 40mm x 40mm x 4mm angle iron, 3 mm thick CRCA sheet for entire outer panel with single door and locking arrangements & 1.6 mm for inner compartment with 40mmx4mm flat Iron, including Separate cubicle chamber with cable alley not less than 300mm width for installation/connecting switchgears with the main bus bar using aluminium bus link or copper conductor flexible wires suitable for switch rating and connecting outgoing terminals of the switchgear with terminal blocks of appropriate current rating using flexible copper wires duly terminated by cable lugs and thimbles, MS surfaces epoxy based powder coated, shade as approved over 2 coats of red oxide primer, surfaces pre-treated in seven tank process for de-greasing, de-rusting & Phosphated, panel having front and rear opening and provision for installation of separate cable alleys, busbar chamber and switchgear compartments, Provision in cable alleys for bottom cable entry for incoming & outgoing cables, affixing MV danger plate at suitable intervals / locations including erection, testing and commissioning complete all as specified and directed including the following fixtures amd fitments mentioned against srl 5.01 & 5.02 below:-.:- Location:- FP-05 in Tech Area

Outgoing:- Separate cubical chamber with a cable alley not less than 300 mm width for installation/connecting the following switch gear with the main bus bar using aluminium bus link or copper conductor flexible wires suitable to the switch rating and connecting outgoing terminals of the switch gear with terminal blocks of appropriate current rating using flexible copper wires duly terminated by cable lugs and thimbles. (i) MCCB, 4 pole 100 A, 25 KA -01 No (ii) MCCB, 4 pole 63 A, 25 KA -03 Nos Make of MCCB: Legrand / Seimens / Schneider / ABB Note:- (i) A clear space of 200mm shall be kept from floor level for switchgear compartment. (ii) Air ventilation breathers with exhaust fan plastic body 100mm sweep shall be provided for heat dissipation. Suitable sized knock-out holes for cable glands shall be provided. (iii) Each compartment shall be numbered/lettered as per the approved approved by GE. . (iv) Contractor shall submit the GA drawings of LT Panel for approval of GE before placing the bulk order

M&L as in repairs outer cover of Feeder Pillar fabricated out of 2 mm thick MS sheet made to shape as per for existing Feeder Pillar of any sizes with doors including welding hinges, providing locking arrangement, etc and affixing MV danger plate complete all as specified and directed. Note:- For payment purposes, front area of panel shallbe measured.

M&L painting old surfaces of Feeder Pillar boxes / LT panels of any sizes at site with two coats of epoxy based paint DANCOT/Asian make shade / tint as approved including preparation of surfaces, cleaning rusted portion complete all as specified and directed.

All as per item No 11 above but for having 2 No Incomer & out going MCCB's up to 5-10 Nos (Max)

Supply only following fixtures / fittings for replacement in LT Panel boards:-

MCCB, 25 KA, 4 pole, 400A

MCCB, 25 KA, 4 pole, 200A

MCCB, 25 KA, 4 pole, 160A

MCCB, 25 KA, 3 pole, 200A

MCCB, 25 KA, 3 pole, 100A

MCCB, 25 KA, 3 pole, 63A

Indicator lamp RYB

Volt meter analog type 0-500 volt

Amp meter Analog type 0-200 Amp

Change over switch 4 pole 415 Volt 200 Amps

Change over switch 4 pole 415 Volt 400 Amps

M&L straight through cable joint kit by using M-seal Kastex cable accessories based on cast resin system ie (electrical insulation, mechanical protection and moisture imperviousness to the joint) for LV PVC / XLPE cable up to 35 sq mm x 3.5 / 4 core 1100 volt grade at site (technical / domestic area) complete all as specified and directed for the following sizes:- Make: Raychem / Denson/ M-seal.

All as per description of serial item No. 14 here in before but size 35 sq mm to 70 sq mm x 3.5 core

All as per description of serial item No. 14 here in before but size up 95sq mm to 150 Sq mm x 3.5 core 1100 volt grade

M&L repair to UPS 30KVA 3 Phase make Aplab LP 1030 series UPS with input voltage range 340 Volt AC to 460 Volt AC out put voltage as 400 V AC and in put frequencey range 47 to 53 Hz with out put as 50 Hz with overall efficiencey greater than 88% and THD less than 2% for lenier voltage by replacing worn out parts including power transformer and IGBT based PWM printed circuit board other parts including testing at full rated power operation at ambient as high as 45degree C with comprihensive indication of normal fault condition of 30 KVA UPS. Note:- (i) Repair / replacement work shall be carried out through OEM only. (ii) Contractor shall submit testing report after repair of UPS.

M&L repair, testing, commisioning of SFC (static frequencey converter) 40 KVA capacity of make APLAB by opening and diagnose the fault and rectifying the same with replacement of DC-DC board as existing (New DC-Dc board programed by OEM/manufacturer shall be inserted after removing existing one) ,rectifier of suitable capacity of Make Aplab including controle switches , wiring and meters complete all as specified and directed. Note:- (i) Repair/replacement work shall be carried out through OEM only. (ii) Contractor shall submit testing report after repair of UPS

M&L LT Cable route indicator / cable joint marker made with Jodhpur stone of size 200 mm width x 150 mm depth x 900mm height size with top oval shaped, engraved with LT cable joint for both side duly painted with approved colour for letter all as specified and directed by Engr-In-Charge. Note:- (i) The work shall be carried out in Tech area for LT cable approx length . (ii) Rate quoted shall be deemed to be included for both earth work required at site. "LT Cable joint" complete all as specified and directed.

M&L HT cable route marker / HT joint marker made out of Jodhpur stone of size 250 mm widthx150 mm depth x900mm height size with top oval shaped, engraved with 'HT cable' duly painted with approved colour with writing letter for both side, all as specified and directed. Note:- (i) The work shall be carried out in Tech area for HT cable. (ii) Route Marker shall be burried in ground upto a depth of 45cm below the natural Ground Level (iii) Rate quoted shall include the cost of necessary excavation & earth work.

S&F as in repairs Automatic power factor correction panel by Supply, assembly, erection, testing and commissioning of Indoor type floor mounted free standing, dust and vermin proof panel/DB with IP-42 protection frame fabricated out of 40mm x 40mm x 4mm angle iron, 2 mm thick CRCA sheet for entire outer panel with single door and locking arrangements & 1.6 mm for inner compartment with 40mmx4mm flat Iron, MS surfaces epoxy based powder coated, shade as approved over 2 coats of red oxide primer, surfaces pre-treated in seven tank process for de-greasing, de-rusting & Phosphated, Panel / DB having front and rear opening for installation of separate cable alleys, busbar chamber and switchgear compartments, Provision in cable alleys to be kept for bottom cable entry for incoming & outgoing cables. A clear space of 200mm to be kept from floor level for switchgear compartment. Air ventilation breathers to be provided for heat dissipation. Suitable sized knock-out holes for cable glands shall be provided. Each compartment shall be numbered/lettered as per the approved drg. Affixing MV danger plate as suitable intervals/locations. including the following provisions:- (i) 2 Nos 15 KVAR capacitor feeder with 40 Amp TP HRC fuse 32 Amp TP capacitor duly connected with 15 KVAR double dielectric strenght/MPP TP capacitor 1 no in separate chamber. (ii) 2 Nos 10 KVAR capacitor feeder with 25 Amp TP HRC fuse 25 Amp TP capacitor duly connected with 10 KVAR double dielectric strenght/MPP TP capacitor 1 no in separate chamber. (iii) The above capacitors to be controlled through 1 No APFC relay in steps. The relay shall have inbuilt PF meter and to be duly connected to contactor/Bus bars through suitable protection fuses and control wiring Aux wiring of contactors shall be through 2.5 Sqmm copper conductor stranded wires and wiring form contactors to be drawn through terminal blocks for connecting to capacitors. Location : North Loop and 2-3 end Sub Stn Tech area.

M&L cleaning of substation cable duct carefully after taking proper shutdown from power house/Sub stn and filling of new river bed fine sand under and around HT/LT cable to provide sand cushioing complete all as specified and directed. Note:- Unit rate of this item includes the cost of removing and relaying of cable for laying of sand as cushioning to cable.

M&L Disconnecting LT cable connection, opening, 3 phase voltage stabilizer of capacity 40 KVA to 200 KVA of make Vintek, Blue Line, ITE or any other make balanced or unbalanced type, draining of transformer oil, replacement of unserviceable parts, servicing of moving parts, adjustment of bush assembly, tightening of electric connection, replacement of worn out nuts, bolt, gaskets, carbon brushes, re-filling of transformer oil, reassembling, making connections well cleaning and preparation of surface of servo stabilizer cleaning the inner surface of stabilizer and applying two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer to the outer surface including marking of SM/MES No with white synthetic enamel paint and testing complete all as specified and directed. Note: a) Voltage stabilizer shall be repaired by original manufacturer or by authorised service provider of the company. b) Spare parts required for replacement will be measured and paid for separately under respective items of this schedule. Labour for fixing the parts is included in unit rate of item c) All T & P and transportaion arrangement shall also be deemed to be included in the rate quoted.

Supply only following parts suitable for three phase servo voltage stabilizer 40 KVA to 200KVA capacity as per existing make or as recommanded by original stabilizer manufacturer complete all as specified and directed.

Volt Meter (Digital / Analog)

Ampere meter with CT (Digital / analog)

Micro Processor based control card for each phase

Servo synchronizing motor single phase AC 230 Volts, 3 Kg torque

Servo synchronizing motor single phase AC 230 Volts, 10 Kg torque

Carbon Brush of any capacity

Dimmerstate unit suitable Capacity 50 KVA, 32 Amps of three phase servo voltage stabilizer as per existing make or as recommanded by original manufacturer

Dimmerstate unit suitable Capacity 40 KVA, 25 Amps of three phase servo voltage stabilizer as per existing make or as recommanded by original manufacturer

Dimmerstate unit suitable Capacity 100 KVA, 80 Amps of three phase servo voltage stabilizer as per existing make or as recommanded by original manufacturer

Dimmerstate unit suitable Capacity 150 KVA, 150 Amps of three phase servo voltage stabilizer as per existing make or as recommanded by original manufacturer

Main control transformer for synchronizing motor suitable for 50 KVA capacity of three phase servo voltage stabilizer as per existing make or as recommanded by original manufacturer

Main control transformer for synchronizing motor suitable for 75 KVA capacity of three phase servo voltage stabilizer as per existing make or as recommanded by original manufacturer

Main control transformer for synchronizing motor suitable for 100 KVA capacity of three phase servo voltage stabilizer as per existing make or as recommanded by original manufacturer

Main control transformer for synchronizing motor suitable for 150 KVA capacity of three phase servo voltage stabilizer as per existing make or as recommanded by original manufacturer

M/s Rohit Construction Co.

GURDEEP SINGH AND COMPANY

M/s Chopra Associates