REPAIR MAINTENANCE OF LIGHTINING CONDUCTORS, AVIATION LIGHTS, EARTHINGS AND CONNECTED WORKS OF HIGH RISE BLDGS AT INS DRONACHARYA AND SMA RAMESHWARAM UNDER GE FORT KOCHI.

Amount

Taking down old GI/Aluminium strip any size with connecting accessories like insulator, screws etc complete all as per direction of Engr - in - charge

Supply and fix air termination, single pointed, aluminium rod 12 mm dia and 300 mm long complete including taking down old unsv air termination rod all as specified

Supply and fix galvanised iron strip 32 x 6 mm buried in ground /fixed on wall complete all as specified.

Supply and fix aluminium strip 25 x 3.15 mm with saddles and fixing screws etc. for roof conductors and down conductors above ground complete all as specified.

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

Supply and fix GI tubing 'light grade' galvanised iron 20mm bore with all fitting and fixed to walls/laid in floors/trench complete including taking down old material.

Supply and fix test point terminal block made of gun metal or phosphorus bronze size 75 x 75 x 25 mm drilled and screwed including all fixing accessories in SMC enclosure/junction box including taking down old material , all as specified.

Re-fixing only Aluminium strip 25x3.15 mm thick with insulators/saddles,screws etc at roof and wall above the test point complete all as specified as per direction of engr in charge. Note : Serviceable strip retrieved from item No 1 here in before will be reused under this item.

M&L for renewal of 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 up/down old materials of earthing all as specified. Note : Unit rate will be inclusive of demoltion of PCC and earth work.

Supply 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 along with and including programmable lux base timer switch of make Havells/Bajaj/L&T/ABB and one MCB SP 32A, including one contactor of 04 pole 25 Amps 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 6.0 sqmm 2 core including taking down old U/S material

M&L for pre-cast cement concrete 1:3:6, type C1 using 20 mm graded stone aggregate as in block masonry with solid blocks, exc. 10 cm in width and setting in cement mortar 1:6, complete all as specified and as directed. all as specified and as directed.

Jack Electrolinks Private Limited