Interconnection of Old and New Substation and allied works at Madurai Airport

Amount

Supply of following size, 11KV grade, earthed, stranded, compact circular aluminium conductor XLPE insulated, insulation screened with extruded semi-conducting compound in combination with copper tape cores laid up, extruded PVC inner sheathed galvanised steel strip armoured and overall PVC sheathed black cable confirming to IS: 7098/II/85 with upto date amendments as applicable etc., as required. a) 3C x 120 Sqmm.

Supply of PE 80 HDPE pipe (PN-6) of 110mm dia with all necessary accessories including testing of joints complete as required

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 11 KV grade of following size in the existing RCC/ HUME/ METAL/HDPE pipe as required. Upto 120 sq. mm

Laying of one number PVC insulated PVC sheathed/XLPE power cable of 11KV grade of size not exceeding 120 sqmm on surface /in the existing 50mm x 50mm x 5mm MS angle iron with suitable fastner, bolt/nut as cable support in walkable trench etc. as required.

Laying of one number PVC insulated and PVC sheathed / XLPE power cable of 11 KV grade of following size in the existing masonry open duct as required. Upto 120 sq.mm

Laying of PE 80 HDPE pipe (PN-6) of 110mm dia with all necessary accessories including testing of joints, laying the pipe at 1.2 mtrs below ground, refilling etc. complete as required as per direction of Engineer in charge.

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 11 KV grade as required a) 120 Sqmm.

Supplying and making straight through cable jointing with heat shrinkable jointing kit complete with all accessories including ferrules suitable for following size of 3 core, XLPE aluminium conductor cable of 11 KV grade as required. a) 120 Sqmm.

Supplying cable route marker with 10cm x 10cm x 5mm. Thick G.I plate with inscribtion theron, bolted/welded to 35mm x 35mm x 6mm angle iron, 60cm long and fixing the same in ground as required.

Earth work in excavation by mechanical means (Hydraulic Excavator)/ manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift upto 1m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50m. All kinds of soil.

Excavation work by mechanical means (Hydraulic excavator)/ manual means in foundation trenches or drains (not exceeding 1.5m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50 m. Hard rock (blasting prohibited)

Providing and fixing following dia G.I. pipe (medium class) complete with G.I.fittings for cable entry etc as required. a) 100mm dia

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix) a) for cable trench

Dismantling manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge :Water bound macadam road a) for cable trench

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering All work upto plinth level 1:2:4 (1 cement: 2 coarse sand: 4 graded stone aggregate 20 mm nominal size)

CHENNAI ENGINEERING SERVICES