Provision of standby cables to make ringmain system for ILS and DVOR at Dimapur Airport

Amount

SUB HEAD:A-SUPPLY OF CABLES Supply of XLPE insulated, armoured 1.1 KV grade aluminium conductor cable as per IS 7098 (Part 1) 1988 with upto date ammendments of following sizes:

3.5 x 150 sq.mm

SUB HEAD:B- LAYING OF CABLES AND ASSOCIATED WORKS Laying of one number XLPE armoured power cable of 1.1 KV grade of following size in the existing masonry open duct as required:

Above 95 sq. mm and upto 185 sq. mm

Laying and fixing of one number XLPE armoured power cable of 1.1 KV grade of following size on cable tray as required.

Above 95 sq. mm and upto 185 sq. mm (clamped with 25/40x3mm MS flat clamp)

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.

Above 95 sq. mm and upto 185 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 horizontal tier formation including excavation,sand cushioning, protective covering and refilling the trench etc as required.

Above 120 sq. mm and upto 400 sq. mm

Laying of one number XLPE armoured power cable of 1.1 KV grade of following size in the existing RCC/HUME/METAL pipe as required:

Above 95 sq. mm and upto 185 sq. mm

Supplying and making end termination with brass compression gland and aluminium lugs size for following size of XLPE armoured aluminium conductor cable of 1.1 KV grade as required.

3.5 x 150 sq.mm

Supplying and installing following size of perforated pre painted M.S cable trays with perforation not more than 17.5 %, in convenient sections,joined with connectors and fixed on 25mmx25mmx3 mm angle supports duly grouted on the terrace floor with PCC 1:2:4 foundation of size 0.1m x 0.1m x 0.1m for each support leg and at a span not more than 1 metre etc complete as required.

300 mm width x 62.5 mm depth x 2.0 mm thickness

Providing,laying and fixing of following dia GI pipe (medium class) in ground complete with GI fittings including trenching (75 cm deep) and refilling etc. as required.

80 mm dia

Supply,Installation,Testing and Commissioning of outdoor feeder pillar type cable loop-in-loop box fabricated out of 2mm thick Ms sheet of size 600mm x 600mm x 350 mm(depth) ,dust and vermin proof, IP 65 with 100 A TPN aluminium busbars, suitable for termination of 2 nos. 3.5 x 120 sq.mm XLPE armoured cables of 1.1 kV grade, mounted on sutable size of angle iron frame supports of height 750 mm and grouting the same to ground with PCC 1:2:4 etc complete as required.

Earthing with G.I. earth pipe 4.5 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 fixing 6 SWG dia G.l. wire on surface or in recess for loop earthing along with existing surface/ recessed conduit/ sub main wiring/ cable as required.

Supplying and making cable route marker with cement concrete 1:2:4( 1 cement:2 coarse sand:4 graded stone aggregate 20 mm nominal size) of size 60 cm x 60 cm at the bottom and 50 cm x 50 cm at the top with a thickness of 10 cm including inscription duly engraved as required.

Supplying and installing following size of hot dipped galvanised iron cable tray ( galvanisotion thickness not less then 50 microns) with perforation not more than 17.5%, in convenient sections, joined with connectors, bends, Tees etc. The cable tray shall be installed on roof with suitable cement concerete / fire brics padestel including bolts & nuts etc compelete as required

150 mm width X 50 mm depth X 1.6 mm thickness

ECS ENGINEERING PVT LTD (BID ID -825804)

D.D.METAL CORPORATION (BID ID -821760)