REPAIR/MAINT OF LIGHTENING PROTECTION SYSTEM AND OTHER CONNECTED ITEMS OF HIGH RISE BLDG UNDER GE (W) COLABA

Amount

S&F in repairs Single pointed air termination aluminium rod 12 mm dia 300mm long complete to walls/roof/pipes with suitable clamps of MS bolts and nuts etc required at site all as specified and directed by Engineer-in-Charge. (MS work will be measured and paid separately).

S&F in repairs Single pointed air termination Copper rod 12 mm dia 300mm long complete to walls/roof/pipes with suitable clamps of MS bolts and nuts etc required at site. Complete all as specified and as directed by Engineer-in-Charge. (MS work will be measured and paid separately).

Taking down existing aluminum, copper and GI strip from the top of bldg /ground (roof down conductor) and keep shape custody (for serviceable strips for re-use ), retrieved all as specified and directed by Engineer-in-Charge.

M&L for making good old serviceable strips obtained against item no-3 by making straight and re-fixing the same in position by wiring screw / wooden gattus /insulators /PCC Block all as specified and directed by Engineer-in-charge.

S&F aluminum strip 25x3.15 mm earth continuity conductor or Main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles in roof of high rise bldg or any other indicated and as required by sadles not more than distatance of 50 cm between two saddles with jointing nuts, bolts /washers to wall/surface or recess of high rised buildings or burried in ground or any situation for loop all as specified and directed by the Engineer-in-Charge.

M&L copper strip 20x3.15 mm earth continuity conductor or Main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles in roof of high rise bldg and as required by sadles not more than distatance of 50 cm between two saddles with jointing nuts, bolts /washers to wall/surface or recess of high rised buildings or burried in ground or any situation for loop all as specified and directed by the Engineer-in-Charge.

M&L galvanised iron strip 25x3.15mm earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles in roof of high rise bldg and as required by sadles not more than distatance of 50 cm between two saddles with jointing nuts, bolts /washers to wall/surface or recess of high rised buildings or burried in ground or in any situation for loop all as specified and directed by the Engineer-in-Charge.

M&L galvanised iron strip 32x6mm earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles in roof of high rise bldg and as required by sadles not more than distatance of 50 cm between two saddles with jointing nuts, bolts /washers to wall/surface or recess of high rised buildings or burried in ground or any situation for loop all as specified and directed by the Engineer-in-Charge.

S&F in repairs Gl tubing 40mm bore light grade in trenches/floor/fixed along pole for cable/earth strip protection with proper size of clamps nuts and bolts for fixing lighting conductor all as specified and directed by the Engineer-in-Charge.

All as per Srl item No 9 above but of size 50mm bore all as specified and directed by the Engineer-in-Charge.

M&L for Raw salt with mixing in water for existing earthing all as specified and directed by the Engineer-in-Charge.

M&L funnel suitable for each pit all as specified and directed by the Engineer-in-Charge.

M&L in repairs insulator for each strip and fixed arrangement in roof/wall of building for run of strips on it with nuts and bolts all as specified and directed by the Engineer-in-Charge

S&F in repairsTest Point terminal block made of gun metal or phosphorus bronze size 75X75X25mm drilled and screwed including 03 Nos 8 mm dia long hexagonal head screw all as specified and directed by Engineer-in-Charge.

M&L dismantling of PCC earth pit chamber and making PCC chamber of size as per electrical plate No 3 of SSR 2009 Part I with PCC (1:2:4) type B1 including RCC cover with suitable handle all as specified and directed by the Engineer-in-Charge

M&L in replacement of Pit cover, Cl 10mm thick hinged to Cl frame 40x40mm all as specified and directed by the Engineer-in-Charge.

Earthing complete with galvanized steel earth plate electrode 600 x 600 x6 mm thick, buried directly in ground (earth pit not less than 2.25 mtr deep Below ground level) with top edge of the plate not less than 1.5 mtr below ground level, connected to galvanized earth lead 25 x 3.15 mm dia by means of bolts, nuts, check nuts and washers of GI including PCC pit in PCC 1:2:4 type B-1 angle iron 40x40x3mm frame with pre-cast RCC 1:2:4 type B-1 cover with XPM weight not less than 4kg/sqm and 6mm dia bar handle, excavation and earth work in any type of soil, charcoal, dust and common salt light grade, GI watering pipe 20mm bore with funnel and wire mesh and light grade GI protection pipe 15mm bore 05 metre long and earth wire up to main earthing of pole all as shown in Electrical Plate No 3 of SSR 2009 Part-I, to achieve earthing resistance within 1 Ohm all as specified and testing on completion

All as per Srl item No 17 above but using galvanised iron strip 32x6mm upto test point.

Earthing complete with Copper earth plate electrode 600 x 600x 3 mm thick buried directly in ground (earth pit not less than 2.25 mtr deep Below ground level) with top edge of the plate not less than 1.5 mtr below ground level, connected to copper earth lead 25 x 3.15 mm dia by means of bolts, nuts, check nuts and washers of GI including PCC pit in PCC 1:2:4 type B-1, angle iron 40x40x3mm frame with pre-cast RCC 1:2:4 type B-1 cover with XPM weight not less than 4kg/sqm and 6mm dia bar handle, excavation and earth work in any type of soil, char coal, dust and common salt, light grade GI watering pipe 20mm bore with funnel and wire mesh and light grade GI protection pipe 15mm bore 05 mtr long and earth wire up to main earthing of pole complete all as shown in Electric Plate No 3 of SSR 2009 Part-I, to achieve earthing resistance within 1 Ohm all as specified and testing on completion.

S&F in repairs cross arms bracing supports clamps and back plates fabricated from structural steel section including nut, bolts, washers, welded, binding, cold as hot drilling holes for bolts in any shape or size as required painted with two coats of aluminium paint over a coat of red oxide primer after preparation of surface all as specified and directed by the Engineer-in-Charge.

S&F in repairs metal plug clad & socket including MCB SPN 20 Amps all as specified and directed by the Engineer-in-Charge.

S&F in repairs LED Aviation obstruction light 10w over head tanks / Bldg / high mast/Shaft pans are as following : (a) Luminaries body : Aviation yellow colored die-cast aluminum alloy housing10 watt (b) Enclosure : Red colored poly carbonate done secured to housing by 3 Nos screw, (c) Mounting arrangement : 38 mm dia threaded item with lock nets for mounting on pipe above structure , (d) Degree of protection : IP43 (e) GI Pipe 3metre long with nut bolt clamp and PCC foundation for fixing pipe and light all as specified and directed.

S&F in repairs 2 core copper conductor of Size 2.5 Sqmm for obstruction light in over head tank/high rise tower/ bldg including 20mm pvc pipe and sadles not more than distatance of 50 cm between two saddles all as specified and directed by Engineer-in-Charge.

M&L for maintenance free Chemical Earthing comprising of 17.2 mm dia molecularly copper bounded 250mm micron on steel electrode 2.5 metre long each- 03 Nos, earth enhacning soil treatment compound having essential chemical ingradients such as ionic chemical, dispersion chemical, diffusion chemcial, expansion chemical and bygroscopic chemical to provide stable low resistance for earth terminal to make it maintenance free ( 25 kg per bag x 3 bag required per set of chmical earthing) HDPE earth pit cover madium duty to with stand 2000 kg load. U clamp bolt for connecting copper strip mimimum size of copper strip 25 X 3 mm- 20RM to earth rod and connection complete all as specified and directed.

S&F in repairs sheet metal enclosure 2 way with MCB SPN 16 Amps fixed in high rise bldg all as specified and directed by Engineer-in-Charge.

M&L for replacement of earthing materials charcoal, salt in sufficient quantities at par the satisfaction of Engr - in- Charge for better results in existing earthing all as specified and directed.

M&L in repairs Sub main wiring with two run of 2.5 sq mm stranded copper conductor PVC unsheathed FRLSH wire along with 2.5 sq mm green colour wire as earth contuinity conductor connected to common earth dolly including PVC FR heavy duty conduit of adequate size (not less than 32 mm dia) for housing the wires including taking down old unserviceable submain with all associated fixtures all as specified & as directed Note: Thimble/lugs of rating of MCB should be used with wire for fixing in the MCB. Note: Mode of measurement two runs of 2.5 sqmm cable and one run of 2.5 sqmm cable with PVC conduit shall be measured as one length.

S&F in repairs for wall mounted fan metal body having high speed of sweep size 450 mm, with nuts bolts, fastners including connecting with PVC insulated and PVC sheathed copper flexible cable and necessary fixing arrangement all as specified and directed.

Supply, lay in repair in trenches, floors, fix on wall/pole, LT UG cable , 1100 volts grade, PVC insulated , with multistranded Copper conductors, armoured with galvanised steel wire or tape, gland, copper lugs of size 10 Sq.mm 3 core, confirming to IS specifications suitable for LT panel to motor pump connection including clamp, nut bolt, passing through 20/25mm pipes including cutting of wall / flooring and making good sarface all as specified and directed.

M&L in repairs Sub main wiring with two runs of 16 sq mm stranded copper conductor PVC unsheathed FRLSH wire along with 16 sq mm green colour wire as earth continuity conductor connected to common earth dolly including PVC FR heavy duty conduit of adequate size (not less than 32 mm dia) for housing the wires from panel / Main DB to house SPN DB all as specified & directed by engr-in-charge. Note: Thimble/lugs of rating of MCB should be used with wire for fixing in the MCB. Note: Mode of measurement two runs of 16 sqmm cable and one run of 16 sqmm cable with PVC conduite shall be measured as one length.

All as per item no 31 but 10 Sqmm

NOEL ENGINEERS

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AGRAWAL ASSOCIATES

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AGRAWAL ASSOCIATES

NOEL ENGINEERS

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