Construction of 50 Bedded Critical Care Block (CCB) at North Bengal Medical College and Hospital - Civil and Electrical Work - External Electrical Work

Supply of 8 Mtr height hot dip galvanized octagonal pole made of HT steel of grade S355 with 135 mm bottom A/F & 70 mm top A/F made up from 3 mm thick GI sheet along with base plate of size 225 x 225 x 12 mm thick with inbuilt sleek terminal box with required sizes studs for 4 core 16 sqmm A/Al cable termination as required and 10A porcelain fuse for each outgoing with proper pad locking arrangement (2 nos.) NOTE: Above 6 Mtr & 8 Mtr octagonal pole should contain terminal box capable for fixing of 3 phase connector box incl. S/F of 3 phase looping connector box with allied accessories as per requirement & as per direction of E.I.C. (Make: Utkorsh / Transrail/ Bansal / Skipper / Bajaj / Surya / CG)

Erection of single octagonal pole of length 6/8 Mtr with 4 no 20 mm dia, 600/700mm length “J” type bolt projected100 mm with nuts etc in CC foundation having 600 x 600 x 150 mm thick CC (4:2:1) base block with hard jhama metal including 1300 mm depth x 500 mm dia cylindrical type RCC (6:3:1) muffing & 0.5 Mtr above ground level incl. 3 mm thick neat cemented finish and required size hole for alkathene/ polythene pipe entry, for street light wiring, without loop box with GI earth bolt after making drilled hole etc. on base plate & carriage of pole upto 1.6 km from store to work site incl. filling up excavated earth pit with shifted soil & ramming properly.

S&F of Circular Ring Shaped (ISI-M) (40 mm dia) pole bracket (suitable for Top 70 /90 mm A/F poles to arrange maximum 4 Nos. Led Flood Light Lumineries) of 600 mm dia with 0.3 Mtr long Sleeves of 80 mm dia G.I pipe (ISI-M), incl. S/F of 3 nos ½” MS jam nut each with 1 no ½” dia through bolt, pole cap and painting as to GS of the entire assembly.

Supply & Erection of 1.5 m long pole 80mm dia GI pipe pole with base plate & pole cap Providing CC (6:3:1) muffing 450 x450 x 600 mm in size or equivalent size of cylindrical muffing above ground level /roof top around the pole base complete with 3 mm thick neatly finished cement plaster all round after dismantling the unserviceable muffing if any incl. Al painting and making earth bolt washer and G.I. earth bolt on plate as to G.S. with out loop box incl. fixing of LED street light as per direction of ther E.I.C

Supply and Fixing of single arm header assembly fabricated from 40mm dia. GI Pipe (ISI-M) of 1.5 mtr length rigidly welded with 80 mm dia. GI Pipe (ISI-M) of 0.3 Mtr. long at an angle of 110⁰ & suitable angle between the two arms including S/F 3 Nos ½” MS jam nut each with 1No. ½” dia. through bolt, pole cap incl. painting as to GS of the entire assembly.

Supplying and Fixing GI water proof looping cable box having hinged GI Top Cover having 4 mm thick with rubber gasket lining, railway type mechanical locking arrangement, earthing terminal with lug etc. of the following sizes as indicated below, Comprising of one 250 V, 4 way stud type terminal etc. and housing the same in pole muffing incl. painting as per direction of E.I.C (200 x 150 x 100mm)

Supply & Drawing 1.1 KV grade 3 Core 22/0.3 (1.5 sqmm) XLPE insulated Un-armoured Cu Cable (Brand approved by EIC) for connection from loop box to fittings through the Pole including making connections as necessary. (Make: Finolex/ RR Kable/ Polycab/ Havells/ KEI/ Gloster)

Supplying and delivery of following size Armoured cables XLPE/PVC insulated are designed for 1.1 kV Stranded Aluminium conductor, high tensile galvanized steel wire/strip armour for mechanical protection, and PVC/FR PVC outer sheathing power cable of following size. (IS 7098 Part - 1 / 2011 with Up To Date Amendments.) (Make: Finolex/ RR Kable/ Polycab/ Havells/ KEI/ Gloster)