PROVN OF 11 KV HT AERIAL BUNCHED CABLE FROM AKHURA CHOWK TO MAIN POWER HOUSE , KALIBARI ALONGWITH CONNECTED WORKS FOR IMPROVEMENT OF POWER DISTRIBUTION NETWORK IN MASIMPUR MIL STN UNDER GE SILCHAR

Supply and fixing end termination joint kit for HT cable, heat shrinkable, outdoor type with jointing material & accessories suitable for voltage 11 kV (Earthed), 3 core 95 sqmm complete all as directed by Engr-in-charge.

Supply and fixing cable jointing kit for 11 KV (Earthed) grade cable for straight through joints heat shrinkable type including joint kits and labour complete for making joints suitable for 3 Core Aerial bunched cable of size 95 Sqmm and testing complete all as directed by Engr-in-charge.

Supplying, Laying connecting & testing XLPE insulated, PVC sheathed, armoured HT electric power UG cable (heavy duty with stranded aluminum conductor) of size 95 Sqmm, 3 core, 11000 Volts(Earthed) grade, confirming to IS-7098 (Part-II) laid through duct/ pipe / in trench etc. with cable glands & suitable size of aluminium lugs complete all as specified and as directed. Note : Earth work, Precast PCC cable cover protection and sand cushioning and GI Pipe Shall be measured and paid separately under respective item.

Supply and fixing triple pole mechanically operated air break isolator (GOD), vertical mounting, rotating type, mounted on insulators and steel frame with operating mechanism worked from ground level complete in all respect such as gun metal moving contacts and spring loaded gun metal fixed jaws, knife copper jumper strip etc, suitable for 11000 Volts grade, with 9 insulators of rating upto 400 Amps complete all as specified and as directed.

Material and labour for HT lightening arrestor with mountings accessories complete fixed on cross arms of two pole structure/GI flat strip and connect with same size of ACSR conductor with all fittings connected to earth strip with nut, bolt, washer transmission class having discharge capacity of 65 kilo Amps and suitable for 11000 Volts expulsion type complete all as specified and directed.

Excavation in trenches, n. exc 1.50m wide and n. exc 1.50m in depth, for foundation, pipe line etc. or for shafts, wells, cesspits, manholes, pier holes, etc. n. exc 10 sqm on plan and n. exc 1.50m in depth and getting out in soft / loose soil complete all as specified and as directed.

Returning, filling in, including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick of excavated soil complete all as specified and as directed. Note: A deduction of 10% shall be made from total computed volume of filling to cater in bulk irrespective of machinery used for ramming.

Removing excavated material not exceeding 50 meters & depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as specified and as directed.

Materials and labour for sand filling around the cable with approved quality coarse sand for sand cushioning of under ground cable including spreading and punning down complete all as specified and as directed. Note:- Punned down thickness shall be measured.

Supplying and laying un-reinforced precast concrete cable cover, class HV,type 1, flat of size 300mm 180mmx 40mm, embossed as "MES HT Cable" for protection of under ground cable protection in trench with gap between adjacent each other not exceeding 10mm complete all as specified and as directed.

Materials and labour for earthing complete with galvanised iron earth plate electrode 600 mm x 600 mm x 6 mm thick, burried directly and preferably vertically in ground, earth pit not less than 2.25 Mtr deep below ground level with top edge of the plate not less than 1.5 m below ground level connetced with galvanised wire of 4mm dia by means of nuts, bolts, check nuts and washers made of galvanised iron or steel earthing lead to be protected by galvanised iron pipe of 15mm bore (light grade) and other end connected to earthing test point or lightening arrestor or main controlling switch as directed including providing funnel with 20mm bore galvanised iron pipe (medium grade), wire mesh, charcoal or coke and common salt in alternate layer of 15cm (compacted thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1 (with 20mm graded aggregate), 50mm thick precast RCC (1:2:4) cover slab (re-inforced with 8mm dia TMT bar @ 15 cm C/C bothways and suitable handle made of 10mm dia) including necessary earth work in excavation, returning filling and removal of surplus earth upto a distance not exceeding 50 m etc all as shown on electrical plate No. 3 of MES Schedule Part-I(2009) complete including testing on completion set all as specified and as directed. Notes:- (i) Main earthing strip from earth plate electrode to rest point upto length of 7.5 meters length shall deemed to be included in the unit rate quoted against this item. (ii) On testing after completion if the desired resistenance is not obtained the contractor shall redo the earthing without any extra cost to the department.

Materials and labour for earthing complete with galvanised iron earth plate electrode 600 mm x 600 mm x 6 mm thick, burried directly and preferably vertically in ground, earth pit not less than 2.25 Mtr deep below ground level with top edge of the plate not less than 1.5 m below ground level connetced with galvanised strip of 32 x 6mm size by means of nuts, bolts, check nuts and washers made of galvanised iron or steel earthing lead to be protected by galvanised iron pipe of 40mm bore (light grade) and other end connected to earthing test point or lightening arrestor or main controlling switch as directed including providing funnel with 20mm bore galvanised iron pipe (medium grade), wire mesh, charcoal or coke and common salt in alternate layer of 15cm (compacted thickness) all round the earth electrode, concrete earth pit in PCC (1:3:6) type C-1 (with 20mm graded aggregate), 50mm thick precast RCC (1:2:4) cover slab (re-inforced with 8mm dia TMT bar @ 15 cm C/C bothways and suitable handle made of 10mm dia) including necessary earth work in excavation, returning filling and removal of surplus earth upto a distance not exceeding 50 m etc all as shown on electrical plate No. 3 of MES Schedule Part-I(2009) complete including testing on completion complete all as specified and as directed. Note: (i) Main earthing strip from earth plate electrode to rest point upto length of 7.5 meters length shall deemed to be included in the unit rate quoted against this item. (ii) On testing after completion if the desired resistenance is not obtained the contractor shall redo the earthing without any extra cost to the department.