REPAIR MAINTENANCE AND REPLACEMENT OF BURNT DAMAGED LIGHTINING CONDUCTOR DOWN CONDUCTORS AVIATION LIGHTS AND OTHER ALLIED WORKS OF RS COLABA AT NAVY NAGAR COLABA MUMBAI

Amount

Material & labour for CPT Cirprotec CPT-L ESE lightning rod with stainless steel body type advance lightning protection system in compliance with standard NFC 17-102 & UNE 21186-96, working on the principle of early streamer emission technology which will offer level 1 protection for up to 42 mtrs radius when mounted on the RCC concrete base on building at a height of 4.5 mtrs from the place to be protected including taking out old, U/S lightning rod complete all as directed by Engineer-in-Charge.

Supply and erection of mounting structure of 4.5 mtrs height with base plate suitable for mounting on building RCC roof with arrangement of neccessary anchoring wire, reducer and PCC work including taking out old, U/S one complete all as directed by Engineer-in-Charge.

Supply and fixing of digital electromechanical lightning even counter housed in weather proof resistance including taking out old, U/S copper strip complete all as directed by Engineer-in-Charge.

M & L for air termination, single pointed aluminium rod, 12mm dia, 300mm long fixing over the GI Tube with the clamps after taking out old/unserviceable one all as specified and directed by Engineer-in-Charge

S & F Aluminium strip of size 25 x 3.15 mm fixed on walls/roof top with saddles and screws mounted suitable insulators after taking out old/unserviceable one complete all as specified and directed by Engineer-in-Charge

Supply and fixing or embeded in to the PCC, Tubes medium grade galvanised, with all fitting, 40mm dia after taking out old/unserviceable one all as specified and directed by Engineer-in-Charge.

Fixing only existing loose/hanged aluminium strip on wall/roof of high rise buildings up to 14 Floor with clamp, bracket all as specified and directed.

Supply & fixing of single core PVC insulated and PVC Innersheathed cable with aluminium conductor cable size 1x70 Sqmm 1100 Volt grade stranded aluminium conductor after taking out old, U/S earthing strip complete all as specified and as directed.

Supply & fixing of single core PVC insulated and PVC Innersheathed cable with aluminium conductor cable size 1x50 Sqmm 1100 Volt grade stranded aluminium conductor after taking out old, U/S earthing strip complete all as specified and as directed.

M&L for PVC conduit pipe 25mm bore, medium mechanical stress for protection of single core PVC insulated 70 sqmm unarmoured aluminium cable fixed on external wall surfaces of G+14 bldgs by proper clamping from roof to bottom complete all as directed.

M&L for PVC conduit pipe 20mm bore, medium mechanical stress for protection of single core PVC insulated 50 sqmm unarmoured aluminium cable fixed on external wall surfaces of G+14 bldgs by proper clamping from roof to bottom complete all as directed.

Supply and fixing test link box for each downconductor in order to disconnect the earth termination system to enable measurement of resistance.

Material and labour for maintainance free environment friendly earth electrode set comprising of 17.2mm dia, 3 mtrs long rod of low carbon steel molecular copper bounded for a thickness of 250 micro OHMS, highly conductive ANSI/NSF STD-60 certified carbon bound backfill compound which shall set like concrete according to BS 7430 & IEEE 80 (each bag shall contain 50 lbs) including earthpit with cover as specified in electrical plate No 3 of SSR Part-I after taking out old, U/S one complete all as directed by Engineer-in-Charge.

M & L for earthing complete with Galvanised steel earth plate eletrode 60cmx60cmx6mm thick buried directly in ground vertically to (earth pit not less than 2.25 meters deep below normal ground level) with top edge of plate not less than 1.5 meters below normal ground level, connecting to the Galvanised Iron Strip of size 32x6mm size, by means of Bolts, Nuts, Check Nuts and washer made of GI or Steel Earth connecting with test point, provision of Charcal and salt in alternate layers, watering pipe 20mm dia medium grade MS funnel with jali, PCC M-15 Type B-1 in pit with XPM not elss than 4Kg per Sqm and Earthpit with cover returning, filling, removing excavated material all as specified in electrical plate No 3 of SSR Part-I making good excavated surfaces such as hard standing refixing machine pressed precast concrete interlocking paver blocks removed during excavation on earthpit to mach existing surfaces after taking out old/unserviceable one complete and testing on completion all as specified and directed by Engr-in-Charge

M & L for Galvanised iron strip 25 x 4mm burried in ground or fixed on walls/floor with suitable saddles and screws beyond 7.5mtr of earth lead connecting with test point after taking out old/unserviceable one complete all as specified and directed by Engineer-in-Charge.

S & F test point terminal block for connecting the earth pit and down conductor or Aluminium strip, made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 Nos 8mm dia 25mm long hex head screw after taking out old/unserviceable one all as specified and directed by Engineer-in-Charge

Taking down old unserviceable aviation light fittings from roof surfaces of G+14 bldg and Supply & fixing of Twin LED aviation light 2 x 6 watt comprising of aluminium housing with polycarbonate diffuser, enclosed with glass cover in frame (with total lumen output not less than less than 100 lumens/Watt) with ingress protection IP 65 and surge protection device of 5 KV capacity etc incl necessary, angle iron supports , clamps etc for installation complete and testing on completion all as specified and as directed.

S & F in repairs analog time switch 3 phase of current capacity 16 Amps incl any type of accessories for fixing of time switch after taking out unserviceable one.

M & L for armoured electric cable with copper conductor, 1100 volts grade of size 2.5 sqmm 3 core passing through pipes, fixed on wall/ceiling complete including connecting properly by means of thimbles/bottle lugs and taking out old u/s damaged cables. Make:

M & L for armoured electric cable with copper conductor, 1100 volts grade of size 1.5 sqmm 3 core passing through pipes, fixed on wall/ceiling complete including connecting properly by means of thimbles/bottle lugs and taking out old u/s damaged cables. Make:

shubham construction (BID ID -3065162)

M/s ASPIRE ENGINEERING ENTERPRISES (BID ID -3067794)

S S ENTERPRISES (BID ID -3076549)

SHREE JAGDISH FURNITURE CO. (BID ID -3063100)

NOEL ENGINEERS (BID ID -3064218)

Chakshu Enterprise (BID ID -3067369)