Installation of CWIS at Coimbatore International Airport Electrical Works

Amount

Supply of XLPE insulated PVC sheathed aluminium conductor armoured power cable of 1.1KV grade confirming to IS 7098, Part-I 1988 with up to date amendments of following size and confirm to technical specifications enclosed. (a) 3 Core 35 Sq.mm

Supplying and laying of following size DWC HDPE pipe ISI marked along with all accessories like socket, bend, couplers etc. confirming to IS 14930, Part II complete with cutting, jointing etc. direct in ground ( 75cm below ground level) including excavation and refilling the trench but excluding sand cushioning and protective covering et., complete as required. (a) 63mm dia(OD-63mm & ID-51mm nominal)

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/DWC pipe as required. (a) up to 35 Sqmm.

Supplying and Making End Termination with brass compression gland and aluminium lugs for following PVC insulated and PVC sheathed / XLPE insulated 1.1KV grade cables as required. (a) 3 Core 35 sq.mm

Supply, Installation, Testing & Commissioning of Outdoor type Feeder Pillar with IP 66 protection with Rain Canopy, Powder Coated and provided with rubber gasket for water proof, at a height not above 1.5 Mtr on MS angle frame above ground level and with base channels including making suitable concerte platform as required as per site condition and as follows (i) Input 20 Amps Triple Pole MCB (ii) 2 KVA Single Phase UPS provided with required no. and AH rating of SMF batteries for 15 minute back up with shortcircuit, over load, battery deep discharge & overcharge protection (iii) Output 5 Amps MCB Single Pole - 3 Nos. (iv) Power distribution board with 5 Amps Switch and Sockets of modular type - 5 Nos. (iv) LED Indication Lamps as required.

Earthing with G.I. earth pipe 2.75 metre long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. with charcoal/ coke and salt as required.

Providing and laying earth connection from earth electrode with 6 SWG dia G.I. Wire in 15 mm dia G.I. pipe from earth electrode including connection with G.I. thimble excavation and re-filling as required.