PROVISION OF BUILDING LIGHTENING PROTECTION ALONG WITH GROUNDING PITS AND ANTI COLLISION LIGHTS OBSTRUCTION LIGHTS AT LAKSHYA SQUADRON BUILDING NO P 134 AND PROVISION OF FLAMEPROOF EXHAUST FAN AT PYROTECHNIC BAY SE SECTION AT INS DEGA VISAKHAPATNAM

SCHEDULE 'A' PART-I: E/M WORKS

S & F Aviation obstruction light LED type filament-less bulb complete including standard fixing arrangements including timer switch complete all as specified and as directed.

Supply and fixing in repair of MCB 6 to 32Amp, 240 Volt, SP, breaking capacity 10 KA 'C' series, complete all as specified

Supply and fixing of Factory made sheet metal enclosure for DBs (Fixed flush to the wall), SPN, 240 volt, 4 Way, IP-42 protection and 1.5 Sq. mm copper PVC sheathed cable for earth continuity and suitable for having MCB’s , and making good and matching with existing surface complete all as specified.

S&F XLPE insulated screened PVC bedded galvanised steel strip or wire armoured electric power cable 10sqmm 2 core hvy duty (1100 volts) duly saddled with stranded aluminium conductor duly saddling upto the top of the bldg for connecting the aviation light complete all as specified and as directed

M & L for Earthing complete with galvanised steel earth plate electrode 60×60cm× 6mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less'than 1.5 metres below normal ground level, connected to galvanised earth lead wire 4.0mm dia by means of bolts, nuts, check nuts and washers of galvanised iron or steel all as shown in electrical plate No. 3 connected to earthing test point all as specified or indicated including testing on completion complete all as specified and directed.

Supply & fix single pointed air termination Aluminium rod, 12 mm dia, 300 mm long.

Supply and fix GI strip 32x6mm for lightening conductor laid in trench/wall/floor etc including earth work and neccessary clamps, nuts, bolts hylam sheet block etc.