REPAIR/REPLACEMENT OF EARTHING PITS LIGHTING ARRESTER FLAME PROOF FITTING ETC AND OTHER MISC WORK UNDER GE (AF) SRINAGAR.

Amount

Material and labour for renewal of earthing complete with galvanized iron earth plate electrode 600 mm x 600 mm x 6 mm thick buried directly in ground (earth pit not less than 2.25 m deep below normal ground level) with top edge of the plate not less than 1.5 m deep below normal ground connected to galvanized steel wire 4 mm dia by means of bolts nuts check nuts and washer of galvanized steel, watering pipe of 20 mm bore, galvanised iron, medium grade, and 15 mm bore galvanised iron light grade for earth wire protection including all excavation earth work in any type of soil, PCC pit in PCC 1:2:4 type B-1 and RCC 1:2:4, type B1 for precast chamber cover 50 mm thick, reinforced with welded steel wire fabric or XPM Jali (weight not less than 4.00 Kg / sqm), with charcoal, salt, funnel complete all as shown in the electrical plate No 3 of SSR part –I and testing on completion.

Note:- Quoted rates shall be deemed to include for earth wire with protection pipe up to 7.5 M length.

Material and labour for renewal of earthing complete with galvanized iron earth plate electrode 600 mm x 600 mm x 6 mm thick buried directly in ground (earth pit not less than 2.25 m deep below normal ground level) with top edge of the plate not less than 1.5 m deep below normal ground connected to galvanized steel strip of size 25 x 4 mm by means of bolts nuts check nuts and washer of galvanized steel, watering pipe of 20 mm bore, galvanised iron, medium grade, and 32 mm bore galvanised iron light grade for earth wire protection including all excavation earth work in any type of soil, PCC pit in PCC 1:2:4 type B-1 and RCC 1:2:4, type B1 for precast chamber cover 50 mm thick, reinforced with welded steel wire fabric or XPM Jali (weight not less than 4.00 Kg / sqm), with charcoal, salt, funnel complete all as shown in the electrical plate No 3 of SSR part –I and testing on completion.

Note:- Quoted rates shall be deemed to include for earth wire with protection pipe up to 7.5 M length.

Material and labour for renewal of earthing complete with copper earth plate electrode 600 mm x 600 mm x 3 mm thick buried directly in ground (earth pit not less than 2.25 m deep below normal ground level) with top edge of the plate not less than 1.5 m deep below normal ground connected to copper strip of size 20 x 3 mm by means of bolts nuts check nuts and washer of galvanized steel, watering pipe of 20 mm bore, galvanised iron, medium grade, and 25 mm bore galvanised iron light grade for earth wire protection including all excavation earth work in any type of soil, PCC pit in PCC 1:2:4 type B-1 and RCC 1:2:4, type B1 for precast chamber cover 50 mm thick, reinforced with welded steel wire fabric or XPM Jali (weight not less than 4.00 Kg / sqm), with charcoal, salt, funnel complete all as shown in the electrical plate No 3 of SSR part –I and testing on completion.

Note:- Quoted rates shall be deemed to include for earth wire with protection pipe up to 7.5 M length.

S&F in repair earth continuity conductor or main earthing strip of galvanised iron of size 25 X 4 mm complete fixed to wall / chases or buried in ground or drawn through conduit in any position or any other situation for loop earthing etc with and including epoxy insulators with necessary fixture complete all as specified and directed by Engg -in - Charge

S&F in repair earth continuity conductor or main earthing strip of Copper strip of size 20 X 3 mm complete fixed to wall / chases or buried in ground or drawn through conduit in any position or any other situation for loop earthing etc with and including epoxy insulators with necessary fixture complete all as specified and directed by Engg -in - Charge

S&F in repair earth continuity conductor or main earthing wire of galvanised steel of 4 mm dia complete fixed to wall / chases or buried in ground or drawn through conduit in any position or any other situation for loop earthing etc complete all as specified and directed by Engg -in - Charge

Material & Labour for watering with water & salt solution (5:1 i.e. 5 litre water and 1 kg salt) in existing earthing (approximate quantity 20 to 25 litr solution in each earthing), including testing of earth resistance for earthing with suitable earth resistance tester after pouring of solution. Note- (i) Test result shall be prepared on separate register and sign by user, mes rep & Contractor (ii) Item will be executed in every six month or before as required by user / GE (iii) Quoted rate shall be deem to include for cleaning the surrounding earth pits approx 1.0 mtr radius.

M&L for Brazing of GI strip joint using brazing torch suitable at temp and using brazing rod all as specified and directed by Engg-in-charge.

M&L for Brazing of copper strip joint using brazing torch at suitable temp and using brazing rod all as specified and directed by Engg-in-charge.

M&L for Brazing of aluminium strip joint using brazing torch at suitable temp and using brazing rod all as specified and directed by Engg-in-charge.

Supply and fix in repair 25 mm size epoxy type insulator suitable for fixing earthing strip including screw etc all as directed by Engr-in-charge

S&F in repair Air termination, single pointed aluminium rod 12 mm dia and 300mm long lightning arrester, screwed for easy fitment and fixing with base plate with 10 mm holes on four corners for necessary fixing arrangement on top of PCC block (15cmx15cmx20cm) complete all as specified and as directed by Engr-in-Charge.

S&F in repair Air termination, single pointed copper rod 12 mm dia and 300mm long lightning arrester, screwed for easy fitment and fixing with base plate with 10 mm holes on four corners for necessary fixing arrangement on top of PCC block (15cmx15cmx20cm) complete all as specified and as directed by Engr-in-Charge.

M&L for PCC earthing pit in PCC 1:2:4 type B-1 of internal size 300 mm x 300 mm x 300 mm with 120 mm thick wall and 700 mm x 700 mm x 150 mm thick bed concrete and 50 mm thick precast chamber cover of RCC 1:2:4, type B1 for, reinforced with welded steel wire fabric or XPM Jali (weight not less than 4.00 Kg / sqm), complete all as shown in the electrical plate No 3 of SSR part –I including demolition of old pit complete.

Deployment of manpower, instrument, tools, and all connected accessories for testing of earth resistance of existing earthing at provided earth test point for each earth set by competent calibrated digital earth test meter electronic type along with accessories (earth rod set with Cu wire with clips) and recording the result dully signed with date by MES representative and contractor all as specified & as directed by Engg-in - Charge. NOTE:- Testing of each earthing shall be carried out in presence of MES and Air Force representative at the interval directed by Engineer-in- Charge and measurement shall be carried each time separately and test result shall be maintained dully signed with date by MES representative and contractor.

S&F in repairs LED flood Light fitting 70 Watt, system efficiency not less than 100 lumen / watt, IP65 protection, consisting of high / low voltage cut off, maintenance free isolated Electronic driver circuits, Low THD, PMMA grade high quality Transmittance lens, Epoxy powder coated Die Cast Aluminium housing with weather proof gasket for lamp & driver compartment, Heat resistance toughened glass fitted in cast aluminium housing with SS screws fixed on existing bracket & connecting, complete. Make:- Havells / Crompton / C&S / Philips

S&F in repairs LED flood Light fitting 150 Watt, system efficiency not less than 100 lumen / watt, IP65 protection, consisting of high / low voltage cut off, maintenance free isolated Electronic driver circuits, Low THD, PMMA grade high quality Transmittance lens, Epoxy powder coated Die Cast Aluminium housing with weather proof gasket for lamp & driver compartment, Heat resistance toughened glass fitted in cast aluminium housing with SS screws fixed on existing bracket & connecting, complete. Make:- Havells / Crompton / C&S / Philips

S&F in repair bollard LED light 08 watt IP65 with excellent light out put through its PMMA window ensuring maximum illumination aspact in surrounding & connector of fitting in ground with earth work and PPC work etc complete as specified and directed by Engineer-in-Charge. Make:- Havells model No BAMBOOBL8WLED757PSYMTOPCM or equivalent model No of Make Crompton / C&S / Philips

S&F LED CMPRI certified LED flameproof 16W tube light fitting recommended for Gas/vapor group of II A & II B and Zone 1&2 with all accessories & incl 3 core flexible cable and metallic flexible conduit from ceiling rose to connector of fitting etc complete as specified and directed by Engr-in-charge Make Crompton model No EXTN1LT8-16/20 or equivalent of make sudhir / Baliga / Pluto

Supply and fixing 1100 volts grade heavy duty cable PVC insulated stranded aluminium conductor of size 10 Sqmm, 2 core, served with inner sheathing of PVC tape and overall PVC sheathed in service connections suspended by insulating hangers not more than 1 mtr apart including 4 mm dia galvanised iron suspension wire

Supply and fix in repair Test point terminal block made of gun metal or phosphorus bronze size of 75 mm x 75 mm x 25 mm drilled and screwed with 3 Nos 8 mm dia 25 mm long screw, fixed in position and connecting complete all as specified and as directed.

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