8596REPAIR AND MAINT OF LIGHTNENING CONDUCTORS EARTHING INFRASTRUCTURE AND INTERNAL DISTRUCTION SYSTEM IN TECHNICAL AND DOMOSTIC AREA UNDER AGE EM WEST OF GE M AF JALAHALLI BANGALORE

Amount

Material and labour of Earthing complete with galvanised steel earth plate electrode of size 600 x 600 x 6 mm thick buried directly in ground vertically to a depth not less than 2.25 mtr below ground level with top edge of plate not less than 1.5 m below ground level connected to and including galvanised earth strip of size 25x4 mm (up or 7.5 mtr length) and GI pipe 40 mm light grade for protection of GI earth strip by means of bolts, nuts, check nuts and washers made out of galvanised iron and connected to earth test point as shown in electrical plate No. 3 of SSR Part-1-2009 and as specified or indicated and testing on completion including excavation and earth work any in type of strata available at site, PCC (1:3:6) type C-1 for earth chamber, precast RCC slab 50mm thick in cement concrete (1:2:4) type B-1 reinforced with welded steel wire fabric (xpm) weight not less the (4kg/sqm) funnel with GI watering pipe of 20mm bore medium grade, wire nuts and lugs including taking down old u/s one complete all as specified and as directed.

Material and labour of Galvanised iron strip of size 32x6mm buried in ground or fixed on wall with suitable epoxy base insulator on wall/floors and connected to test point including bending, jointing at test points with 2 Nos GI nuts, bolts, with lead washers, jointing strips at all joints including taking down old complete all as specified and as directed.

Material and labour of Aluminium strip 25x3mm fixed with epoxy based insulator for down conductor air terminal network including drilling two Nos holes at each joint, one set of lead washers between strips, two sets GI nut and bolt, gut ties, screws etc. including taking down old complete all as specified and as directed.

Material and labour of Earth continuity conductor or main earthing lead fixed on wall on batten or recess or chases or buried in ground or drawn in conduit / pipe or fixed to pole or any other indicated situation for loop earthing etc, as required for copper strip 32 mm x 6 mm with proper saddles/spacer, screw etc., including taking down old complete all as specified and as directed.

Material and labour of Earth continuity conductor or main earthing lead fixed on wall on batten or recess or chases or buried in ground or drawn in conduit / pipe or fixed to pole or any other indicated situation for loop earthing etc, as required for galvanised iron wire 4 mm dia with proper saddles / spacer, screw etc, including taking down old complete alll as specified and directed.

Material and labour for Taking down and refixing in repair of existing aluminium strip 25x3 mm by brazing at each joints between strip including saddle/insulator/PCC block where required complete all as specified and as directed.

Material and labour for Taking down and refixing in repair of existing GI strip 32 X 6 mm brazing at each joints between strip including saddle/insulator/PCC block where required complete all as specified and as directed.

Material and labour for Taking down and refixing in repair of existing copper strip 32 X 6 mm brazing at each joints between strip including saddle/insulator/PCC block where required complete all as specified and as directed.

Material and labour for Taking down and refixing in repair of existing GI wire 4 mm dia laid in ground or wall with epoxy base insulator including welding the joints and connecting to test point complete all as specified and as directed.

Supply and fixing Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm drilled and screwed including 3 nos. 8mm dia 25mm long hex. head screw including taking down old complete all as specified and as directed.

Supply and fixing Air termination single pointed aluminium rod of 12mm dia 300 mm long fixed to strip/pipe including drilling holes, nuts, bolts washers for resting/ supporting of air terminals etc. including taking down old complete all as specified and as directed.

Supply and fixing Air termination single pointed copper rod of 12mm dia 300 mm long fixed to copper strip including drilling holes, nuts, bolts washers for resting/ supporting of air terminals etc. including taking down old complete all as specified and as directed.

Material and labour for Refixing in repair of existing air termination single pointed Aluminium rod 12 mm dia 300mm with new nut -bolt and washers including taking down old complete all as specified and as directed.

Material and labour for Refixing in repair of existing air termination single pointed copper rod 12 mm dia 300mm including taking down old complete all as specified and as directed.

Material and labour for Repairing and maintenance of old existing earth pit by taking out carefully earth plate, watering pipe, earth lead protection pipe and Re-buried the same after removing sludge from the plate & pipes including re-connection/brazing the plate and strip, whichever is required at site (Earth pit not less than 2.25 mtr deep below normal ground level ) with top edge of earth plate not less than 1.5 metres below normal ground level, complete all as specified and directed including PCC 1:3:6 type C1 pit with cover of RCC 1:2:4 type B1,reinforced with welded steel wire fabric not less than 4 kg per sqm with handle and angle iron frame, watering arrangement with 20 mm bore GI medium grade pipe ISI marked, GI funnel with GI mesh, filling with mixture of common salt and charcoal, necessary excavation, refilling, removing away soil and earth work in any type of soil including Re-painting of earthing Pit chamber, pit cover, indicating board etc. complete with existing colour as per require at site and remove the grass and clean earthing pit chamber area of 2mtrX 2mtr , test point, testing and commissioning complete all as specified and as directed. Note : Repairing and maintenance of existing Earthing pit and replacement of unserviceable item as per site require,re-painting and cleaning of area all work included in quoted rate against of Each Job.

Supply and fixing GI funnels for earthing as per site require, including taking down old item complete all as specified and as directed.

Supply only of common salt commercial for Earthing resistivity improvement all as directed complete all as specified and as directed.

Supply only of charcoal dust for Earthing resistivity improvement complete all as specified and as directed.

Material and labour for PCC block of size 150 x 150 x 150mm in PCC (1:3:6) type C-1 with 20mm graded aggregate for fixing of roof conductor/air termination rod/GI strip etc.incuding taking down old item complete all as specified and as directed.

Material and labour for Back filling compound for Earthing resistivity improvement all as specified and as directed.

Material and labour for Magnesium sulphate (MGSO4) for Earthing resistivity improvement all as specified and as directed.

Material and labour for Brazing of copper/Aluminium/GI strip for continuity complete all as specified and as directed.

Material and labour for Testing of earth resistance value from earthing pit test terminal point and write in/ on existing identification board complete all as specified and as directed. Note:- (i) The contractor has to provide his own testing kit and all connected items for Earth resistance checking complete.

Material and labour for Earthing complete with copper earth plate electrode of size 600 x 600 x 3.15 mm thick buried directly in ground vertically to a depth not less than 2.25 mtr below ground level with top edge of plate not less than 1.5 m below ground level connected to and including copper earth strip of size 20x3 mm (up or 7.5 mtr length) and GI pipe 40 mm light grade for protection of GI earth strip by means of bolts, nuts, check nuts and washers made out of galvanized iron and connected to earth test point as shown in electrical plate No.3 of SSR Part-1-2009 and as specified or indicated and testing on completion including excavation and earth work any in type of strata available at site, PCC (1:3:6) type C-1 for earth chamber, precast RCC slab 50mm thick in cement concrete (1:2:4) type B-1 reinforced with welded steel wire fabric (xpm) weight not less the (4kg/sqm) funnel with GI watering pipe of 20mm bore medium grade, wire nuts and lugs including taking down old u/s one complete all as specified and as directed.

Supply and fixing 40 mm bore galvanised steel water tubing light grade with all fitting fixed to wall and ceiling or laid in floors including taking down old complete all as specified and as directed.

Supply and fixing 40 mm bore galvanised steel water tubing light grade with all fitting fixed to wall and ceiling or laid in trenches including taking down old complete all as specified and as directed.

Supply and fixing 25 mm bore galvanised steel water tubing medium grade with all fitting fixed to wall and ceiling or laid in floors including taking down old complete all as specified and as directed.

Supply and fixing 25 mm bore galvanised steel water tubing medium grade with all fitting laid in trenches including taking down old complete all as specified and as directed.

Supply and fixing 15 mm bore galvanised steel water tubing medium grade with all fitting fixed to wall and ceiling or laid in floors including taking down old complete all as specified and as directed.

Supply and fixing 15 mm bore galvanised steel water tubing medium grade with all fitting laid in trenches including taking down old complete all as specified and as directed.

Supply and fixing Bib Tap of 20 mm dia standard of PTMT any colour high pressure screwed for iron pipe including taking down old complete all as specified and as directed.

Supply and fixing Bib Tap of 15 mm dia standard of PTMT any colour high pressure screwed for iron pipe including taking down old complete all as specified and as directed.

Material and labour for Cutting the existing GI pipe of 15mm size for tapping or new connection with 15/25 mm including required fittings complete all as specified and as directed.

Excavation in trenches not exceeding 1.5 m wide and not exceeding 1.5 m deep for laying pipe line and getting out in soft/loose soil complete all as specified and as directed.

Returning filling in including spreading leveling watering and well ramming in layers not exc 25cm thick with eny type of soil complete all as specified and as directed.

Removing excavated surplus soil to a distanc3 not exceeding 50 mtrs and depositing where directed at a level not exceeding 1.5 M above the starting point complete all as specified and as directed.

Material and labour for earthing pit chamber with cover RCC of size 0.45m x 0.45m x 0.45 m and 150 mm thick by PCC 1:3:6 type C1 with 20 mm graded stone chamber with RCC 1:2:4 type B1 with cover slab including taking down old item complete all as specified and as directed.

Supply and fixing CI pit cover of suitable size 0.45 x 0.45x 0.004m made with cast iron welded handle-02 nos for lifting complete for existing earthing pit including taking down old complete all as specified and as directed.

Material and labour for made & fixing earth indicators fabrication out of 3 mm thick MS sheet of size 200mm x 300mm duly fixed in MS angle iron 25mmx25mm of 450 mm long to be fixed to ground by means and including neceaary cement concrete and painting with two coats of synthetic enamel paint over a coat of red oxide primer complete, writing earth reading and connected items like palnting to panel etc, and necessary excavation and earth work, including taking down old complete all as specified and as directed.

Material and labour for Aluminium strip 25X3.15 MM with saddles' and fixing screws etc, for roof conductors and down conductors above ground with require connected items including taking down old complete all as specified and as directed.

Material and labour for Copper strip 20X3.15 MM with saddles and fixing screws etc, for roof conductors and down conductors above ground with require connected items including taking down old complete all as specified and as directed.

Material and labour for sub main wiring with two single core stranded copper conductor unsheathed PVC insulated cable 1100V grade, 4 sq mm drawn through and including suitable size of non-metallic PVC rigid conduit with 4sqmm copper conductor cable as earth conductor and conduit accessories fixed up in surface/ recessed as required, including connecting up complete all as specified and directed including taking down old U/S wiring. Note:-Two run of cable and one run of earth continuity copper conductor and non metallic PVC conduit shall be measured as one unit length.

Material and labour for sub main wiring with two single core stranded copper conductor unsheathed PVC insulated cable 1100V grade, 6 sq mm drawn through and including suitable size of non-metallic PVC rigid conduit with 6 sqmm copper conductor cable as earth conductor and conduit accessories fixed up in surface/ recessed as required, including connecting up complete all as specified and directed including taking down old U/S wiring. Note:-Two run of cable and one run of earth continuity copper conductor and non metallic PVC conduit shall be measured as one unit length.

Material and labour for sub main wiring with two single core stranded copper conductor unsheathed PVC insulated cable 1100V grade, 10 sq mm drawn through and including suitable size of non-metallic PVC rigid conduit with 10 sqmm copper conductor cable as earth conductor and conduit accessories fixed up in surface/ recessed as required, including connecting up complete all as specified and directed including taking down old U/S wiring. Note:-Two run of cable and one run of earth continuity copper conductor and non metallic PVC conduit shall be measured as one unit length.

Forge Engineering & Electricals

RAMESH BABU CO

M/S SRI BALAJI ENTERPRISES