REPAIR MAINT OF LIGHTENING CONDUCTORS AVIATION LIGHTS EARTHINGS AND CONNECTED WORKS OF HIGH RISE BLDGS AT INS DRONACHARYA AND SMA RAMESWARAM UNDER GE FORT KOCHI

Amount

Supply and fix air termination, single pointed, aluminium rod 12 mm dia and 300 mm long including taking down old material.

Supply and fix galvanised iron strip 32 x 6 mm buried in ground /fixed on wall including taking down old material.

Supply and fix aluminium strip 25 x 3.15 mm with saddles and fixing screws etc. for roof conductors and down conductors above ground including taking down old material.

Supply and fix tubes, 'light grade' galvanised, with all fitting and fixed to walls/laid in floors/trench complete of bore 40mm including taking down old material.

Supply and fix test point terminal block made of gun metal or phosphorus bronze sixe 75 x 75 x 25 mm drilled and screwed including 03 Nos, 8 mm dia 25 mm long hex head screw in smc enclosure/junction box including taking down old material.Smc enclosure shall be measured & paid seperately

M&L for earthing complete with galvanised steel earth plate electrode 60 x 60 cm x 6 mm thick buried directly in ground ( earth pit not less than 2.25 M deep below ground level) with top edge of the plate not less than 1.5 Meter below normal ground level connected to GI strip 32x6mm mm by means of bolts, nuts , check nuts and washers of GI and GI tubing 20 mm bore light grade for earth lead protection up to main earth test point and including concrete pit in PCC (1:3:6) type C1 pre cast RCC (1:2:4) type B1 cover slab 54 x 54 x 5 cm with one handle for lifting made out of 8 mm dia MS bar, wire mesh, 20 mm bore GI tubing for watering, charcoal or coal and salt in alternate layers including excavation earth work complete all as specified and directed electrical plate No. 3 of SSR part - I including taking down old materials of earthing.

Suply and fix hot press moulded smc enclosure/junction box, 200 mm x 140 mm x 95 mm size, door fixed with hinge on one side for fixing of test terminal block including taking down old junction box / enclosure. Make sintex or approved equivalent make.

Supply and fix integral LED aviation obstruction light comprising of aluminium housing with polycarbonate enclosure Make/ model- Bajaj BGAV 302 LED or Equivalent in Philips/Crompton make,along with programmable digital time switch and one MCB, SP, AC, 240 volts of 06 Amps fixed in a wall bracket enclosure including taking down old U/S material

Supply, laying testing cable XLPE insulated, screened, PVC RM bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 volts grade with stranded aluminium conductor of size 4.0 sqmm 2core including taking down old U/S material

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