Provision of Additional LT Power Supply to OPH and Allied Works at Jabalpur Airport. SH -Provision of additional LT cable for LLZ, Isolation Bay Perimeter Panel and Allied work

Supply of following size XLPE insulated PVC Sheathed, armoured Aluminium conductor cable of 1.1KV grade confirming to IS:7098 part-I with up to date amendments etc. as required.

3½ core X 120 Sq.mm.

3½ core X 185 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 / latest amendment, complete with fitting and cutting, jointing etc.direct in ground (75 cm below ground level) including excavation and refilling the trench but excluding sand cushioning and protective covering etc., complete as required.

120 mm dia (OD-120 mm & ID-103 mm nominal)

160 mm dia (OD-160 mm & ID-135 mm nominal)

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size in the existing DWC HDPE pipe/RCC/HUME/ METAL pipe as required.

Above 95 sq. mm and upto 185 sq. mm

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.

3½ core X 120 Sq.mm. (45mm)

3½ core X 185 Sq.mm. (57mm)

3½ core X 300 Sq.mm. (70 mm)

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 10cm including inscription duly enaraved 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. (but 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.

Excavation of the cable trenches in hard rock not exceeding 1.5 metres in width,and lift upto 1.5 metres, including getting out the excavated soil and disposal of excavated soil as directed within a lead of 50 metres.

Supply, installation, testing and commissioning outdoor feeder pillar box of minimum size 600 X 450 X 300 mm depth, suitable for operation on 415V, 3 phase, 4 wire 50Hz AC supply system, fabricated in totally enclosed, free standing ,IP-65 rated design from CRCA sheet steel of 2 mm thick for frame work and covers, 3 mm thick for gland plates, complete with 50 kA for 1 Sec rated 300 Amps current capacity Aluminium Bus-bars, hinged front & back door opening & locking arrangement, painted/powder coated with one coat of red oxide & two coats of enamel paint, suitable openings at the bottom for cable entries, earthing bolts etc. The box shall be mounted on MS angle stand to be grouted in 1:2:4 concrete of 100 X 100 X 300 mm depth, providing & laying in position cement concrete (PCC) of specified grade around the feeder panel boxes (PCC Size 1Mtr X 1 Mtr X 0.25 Mtr) (1:2:4) (1 cement: 2 coarse sand: 4 graded stone aggregate 40mm nominal size) with Suitable HDPE pipe for cable in & out to the boxes, etc. as per technical specifications as required.

Supply, installation, testing and commissioning outdoor feeder pillar box of minimum size 450 X 450 X 300 mm depth, suitable for operation on 415V, 3 phase, 4 wire 50Hz AC supply system, fabricated in totally enclosed, free standing, IP-65 rated design from CRCA sheet steel of 2 mm thick for frame work and covers, 3 mm thick for gland plates, complete with 50 kA for 1 Sec rated 200 Amps current capacity Aluminium Bus-bars, hinged front & back door opening & locking arrangement, painted/powder coated with one coat of red oxide & two coats of enamel paint, suitable openings at the bottom for cable entries, earthing bolts etc. The box shall be mounted on MS angle stand to be grouted in 1:2:4 concrete of 100 X 100 X 300 mm depth, providing & laying in position cement concrete (PCC) of specified grade around the feeder panel boxes (PCC Size 1 Mtr X 1 Mtr X 0.25 Mtr) (1:2:4) (1 cement: 2 coarse sand: 4 graded stone aggregate 40mm nominal size) with Suitable HDPE pipe for cable in & out to the boxes, etc. as per technical specifications as required.

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