Augmentation of power supply at Silchar Airport

Supplying of following size of 1.1kv grade multistand aluminium conductor XLPE insulated PVC sheathed armoured Heavy duty power cable (as per IS 7098 1988 with upto date amendments) complete as required as per specifications. (a) 3.5 core, 300 sqmm.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size direct in ground including excavation, sand cushioning, protective covering and refilling the trench etc as required. (i) Above 185 sq. mm and upto 400 sq. mm

Laying of one number additional PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size direct in ground in the same trench in one tier horizontal formation including excavation, sand cushioning, protective covering and refilling the trench etc as required. (i) Above 185 sq. mm and upto 400 sq. mm

Providing and laying NP3 class R.C.C. pipes with collars jointed with stiff mixture of cement mortar in the proportion of 1 2 (1 cement 2 fine sand) including testing of joints etc. complete as required. (a) 300 mm dia. R.C.C. pipe

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing RCC/ HUME/ METAL pipe as required. (i) Above 185 sq. mm and upto 400 sq. mm

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing masonry open duct as required (i) Above 185 sq. mm and upto 400 sq. mm

Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on wall surface as required. (i) Above 185 sq. mm and upto 400 sq. mm

Supplying and making end termination with brass compression gland and aluminium lugs for following size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required (i) 3� X 300 sq. mm (70mm)

Supplying and installing following size of minimum 1.6 mm thick hot dipped galvanized / powder coated ladder type cable trays in convenient sections, joined with connectors, including bolts & nuts complete as required. 300 mm width X 75.0 mm depth X 1.6 mm thickness

Design, Manufacturing, Supply, Installation, Testing and Commissioning of LT Panel, cubicle type, made out of 2mm thick CRCA sheet, totally enclosed, IP 42, free standing, floor mounting, dust and vermin proof, indoor, compartmentalized, suitable for operation on 3 phase and neutral, 415 V, 50Hz AC system with busbar including internal wiring with suitable size wires/cable, interconnection, duly powder coated painting etc. including supply & installation of following switchgears, metering instruments and accessories in the LT Panel and as per specifications. INCOMER 1 No. 500 A, Four pole, Thermal Magnetic release variable range Moulded Case Circuit Breaker with extended rotary handle and all accessories including spreader link (As required) (Icu Ics, Minimum 50 kA). BUSBARS 1 Set of 800 Amp TPN busbars of high conductivity electrolytic quality aluminium alloy. INSTRUMENTS 1 sets digital voltmeter for 3 phase, 4 wire operation with inbuilt selector switches along with 3 Nos. control MCBs., 1 sets digital ammeter of suitable range (measure 0 to 500 Amp) for 3 phase, 4 wire operation with inbuilt selector switches and 3 No. suitable range CTs., 1 Sets of phase indicating lamps, LED type, RYB . OUTGOING (i) 400 A, Four pole, Thermal Magnetic release variable range Moulded Case Circuit Breaker with Operating handle (Minimum 36 kA)- 3 Nos., (ii) 250 A, Four pole, Thermal Magnetic release variable range Moulded Case Circuit Breaker with Operating handle (Minimum 36 kA)- 1 No.