SPECIAL REPAIR TO E M SERVICES AT MES INSTALLATIONS AT AF STN LEH

Amount

Excavation in trenches in any type of soil not exc 1.5m wide and n.exc 1.5m in depth for electric poles stay foundation and under ground electric power cables and getting out complete all as specified.

Returning, filling in. including spreading, leveling, watering and well ramming in layers not exceeding 25cm thick in any type of soil complete all as specified

Removing excavated surplus material to a distance not exc 50m and depositing where directed at a level not exceeding 1.5m above the starting point.

M & L for dry Sand cushioning in trenches for protection of cable including watering and consolidation with clean dry sand 8 cm thick before laying of cable and 15 cm afer laying of cable complete all as specified and directed. Note: Punned thickness shall be considerd for measurment purpose

Supplying and laying reinforced precast concrete cable cover, class LV, Type 1, flat, size 250mmx 150mm x 40mm for cable protection complete all as specified and directed.

M&L for cutting of PCC/Hard standing/WBM road not exceeding 20 cm in width not exceeding 30 cm in depth for passing of LT cable and making good of disturbed surface to match with the existing surfaces by using old and new material i.e bitumen/PCC (1:2:4) type C-1 complete all as specified and directed .

Supply, laying, jointing and testing XLPE insulated PVC sheathed armoured under ground cable heavy duty with aluminium conductor LT 1100 V grade cross sectional area 240 Sqmm 3.5 core, complete all as specified and directed by Engineer-in-Charge .

All as per ser No 7 but 120 Sqmm 3.5 core

All as per ser No 7 but 150 Sqmm 3.5 core

Supply and fix cable jointing kit for 1.1 KV grade cable for indoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3.5 core XLPE, armoured, Al conductor cable of size 240 Sqmm

Supply and fix cable jointing kit for 1.1 KV grade cable for indoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3.5 core XLPE, armoured, Al conductor cable of size 120 Sqmm

Supply and fix cable jointing kit for 1.1 KV grade cable for indoor termination , heat shrink type, joint complete with jointing material and accessories suitable for 3.5 core XLPE, armoured, Al conductor cable of size 150 Sqmm

M&L galvanized iron tube, light grade for protection of cable at road crossing of size 100 mm dia.

M&L galvanized iron tube light grade for protection of cable at road crossing of size 80 mm dia.

S&F weather proof outdoor bus bar chamber, made out of 3.15mm thick MS sheet with front & rear Opening, powder coated, dust & vermin proof, IP-66 Protection comprising 4 Nos aluminium strips each of 200 Amps, 80cm long having 10cm min distance from the body and between bus bars, fixed in steped way duly insulated mounted on epoxy insulators in horizontal position in stepped manner with 4 No’s mounting legs made out of 40mm x 40mm x 6mm angle iron grouted in PCC block (30cm depth below ground level and 60cm above ground level) in cement concrete 1:3:6, type C-2 (using 40mm grade crushed stone aggregate), and one MCCB of 125 Amps, 16 KA as incomer connected with bus bars by means of suitable size of aluminium thimbles, nuts, bolts & washers including cable glands at entry and outlet points , excavation and earth work, returning filling and removal of surplus soils including taking down old bus bar complete all as specified and directed by Engr-in-charge.

Earthing complete with galvanized steel earth plate electrode 60cm x 60cm x 6 mm thick buried directly in ground (Earth pit not less than 2.25 m below normal ground level) with top edge of the plate not less than 1.5 m below normal ground level connected and including GI strip 32 mmx6mm (upto the body of equipment) by means of brazing, GI bolts, nuts, check nuts and washers, earth plates surrounded by packed layers of coal dust and common salt 15 cm thick all around top and bottom and watering pipe 20 mm bore of GI pipe, light grade all as shown in Electrical plate No 5 of SSR Part I, testing on completion including PCC 1:2:4 tye B1 using 20mm graded stone aggregate as in pit cover and PCC chamber in PCC 1:3:6 type C-1 using 20mm graded stone aggregate ,excavation and earth work, disposal of surplus spoil to a distance n exc 50 m including taking down old earthing complete all as specified and directed by Engineer-in-Charge

Supply and fixing in replacement of on load change over switch I-O-II 4 pole 415 volts 50 Hz of capacity 400 Amp with sheet steel enclosure including nuts bolts and washer completeall as specified and directed by Engineer-in-Charge

Taking out old UNSV cable of any type

Note : Schedule of credit to be deducted on acceptances of bid.Details of Schedule of credit is given in tender documents

M/S ZTECH

AJ. Owners