Construction of New Terminal Building and Other Allied structures Phase I and II at Patna Airport

Amount

TRANSFORMER (DRY TYPE) Supply, Installation, testing and commissioning of Cast Resin Dry Type 2000kVA indoor type Transformer, 33kV/ 0.433kV, 3 Phase, 50Hz, DYN 11, Vector Group, copper wound with off load tap changer switch and having approximate impedance as per IS, Class F insulation complete with digital winding temperature scanner cum controller with communication port RS 485 actuated by menas of resistance Temperature detector embeded in LV windings having tapping for off load operation on HV side in steps of 2.5% for Plus (+) 7.5% to Minus (-) 7.5% and cable end boxes on HV side suitable for 3 x 300 Sq.mm XLPE cable of 33kV grade and 3200Amp, bus trunking arrangement on LV side with neutral brought out separately including type 1 surge arrestors at HT side for each phase, supply, laying & termination of 2.5 sqmm copper conductor multicore cable from transformer to HT breaker for safety tripping, suitably mounted on MS channel including supply and grouting of suitable MS channel with all accessories and conforming to IS: 11171: 1985 with up to date Amendments as per Technical specifications complete in all respect. 2000 kVA Transformer as mentioned above.

HT AVR (AUTOMATIC VOLTAGE REGULATOR) Supply, Installation, testing and commissioning of outdoor type, oil field ONAN cooled 6000 KVA AVR, input voltage range 27 KV to 36 KV, output voltage 33 KV, 3 Phase, 50Hz, copper wound with Class F insulation and cable end boxes suitable for 3 x 300 Sq.mm XLPE cable of 33kV grade , suitably mounted on MS channel including supply and grouting of suitable MS channel with all accessories and necessary temperature control system and control cabling etc as per IS 2026 or other relevent standard and as per technical specifications.

LT BUS TRUNKING (SANDWICH INSULATED BUS TRUNKING): Supply, Installation, Testing and Commissioning of following rating pre-fabricated sandwiched bustrunking as per IEC 61439, suitable for 3 Phase 4 Wire, 415V, 50 Hz AC supply system with aluminium busbars having class F insulation complete with bends, expansion joints, fire barriers, end terminations boxes with copper flexible end connections at both end terminations, earthing with 2 runs of continuous GI/ Aluminium earth strips of size 50mm x 6mm, with enclosure made out of 1.6 mm thick CRCA sheet steel/ GI/ Aluminium enclosure with powder coated painting, IP-54 degree of protection (minimum), complete with proper supporting arrangement with steel rope / rod hangers, suspenders/ brackets etc. as per technical specifications and site condition etc as required. (Note: The bustrunking shall be measured along with centreline length of enclosure i/c bus duct end termination box. The aluminium strips which will go inside LT panels and termination boxes of transformers/ equipments including copper flexibles for termination with panels/ equipments along with all accessories shall not be taken into measurement of bustrunking quantity) . Note - Installation, testing and commissioning including CRM test shall be carried out by OEM/ authorised vendor of OEM as per OEM standard only. 3200 A, Four pole busduct with 100% size neutral bus (minimum) 65 KA

HT CABLES Supply of following size of 33KV (Un earthed) grade, multicore stranded aluminium conductor, XLPE insulated & PVC sheathed armoured power cable conforming to IS: 7098 (Part-II) 2011 with upto date ammendments complete as required and as per specification encolsed. 3 x 300 Sq mm

CONTROL CABLES : Supply of following sizes of 1.1kV grade XLPE/PVC insulated, PVC FRLS sheathed, Copper conductor, Armoured cable as per IS: 7098 Part-I/ IS:1554(Part I) complete as required. Size - 12C x 2.5 Sq.mm

LT CABLES LAYING Laying and fixing of one number PVC insulated and PVC sheathed/ XLPE / Fire survival power / control cable upto 1.1kV grade of following size on cable tray as required. Upto 35 sq. mm (clamped with 1mm thick saddle)

HT CABLES LAYING Laying of one number XLPE power cable of 33kV grade of following size in the existing RCC/ HUME/ METAL / HDPE pipe/ Raceway as required. Above 120 sq. mm and upto 400 sq. mm

Laying of one number XLPE power cable of 33kV grade of following size in the existing masonry open duct as required. Above 120 sq. mm and upto 400 sq. mm

HT CABLES END TERMINATION Supplying and making indoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for following size of 3 core, XLPE aluminium conductor cable of 33kV grade as required. Size - 300 sq. mm

EARTHING Earthing with copper earth plate 600mm x 600mm x 3.0mm thick including accessories and providing masonary enclosure with cover plate having locking arrangement and watering pipe etc. Including charcoal and salt complete as required.

Earthing with G.I. earth plate 600mm x 600mm x 6mm thick including accessories and providing masonary enclosure with cover plate having locking arrangement and watering pipe etc. including charcoal and salt complete as required.

Providing & fixing of size 50mm x 5mm copper strip on surface or recess for earth connection as required.

Providing and fixing 50 mm X 5 mm copper strip in 65 mm dia G.I. pipe from earth electrode including connection with brass/ SS nut,bolt, spring, washer excavation and re-filling etc. as required

Providing and fixing 25 mm X 5 mm copper strip on surface or in recess for connections etc. as required

Providing and fixing 25 mm X 5 mm copper strip in 40 mm dia G.I. pipe from earth electrode including connection with brass/ SS nut,bolt, spring, washer excavation and re-filling etc. as required

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

Providing and fixing 25 mm X 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode including connection with G.I./SS nut, bolt, spring, washer excavation and re-filling etc. as required.

HDPE Pipe Supply and laying of following size of HDPE pipe PE-100, PN-10 at a depth of 1.2 mtr below the ground as per site condition incl. excavation and re-filing etc. complete as required. 250 mm dia

PRAGYA ELECTRIC AND ELECTRONICS CORPORATION (BID ID -893813)

GIRI ENTERPRISES (BID ID -893302)

M/S Jagdish Singh Enterprises (BID ID -893660)