REPAIR REPLACMENT OF EARTHING LIGHTENING PROTECTION IN VARIOUS LOCATION AT JALIPA MIL STN UNDER GE ARMY BARMER

Amount

Material & Labour for testing of eathing of any type, after disconnecting from test point and other loops by using ISI marked digital/Analog earth tester of reputed make and test result shall be entered in a Earth Testing register and put up to the Engr-in-Charge after testing complete all as specified and directed. Note * :- Test result for item No. 1 and all earthing in schedule to be provided to Engr-in-Charge before completion of work. Earth tester to be provided by the contractor himself.

Material and labour for improvement to earthing with conventional GI/ Copper earth electrode having high earth resistance (ER) value by excavating soil around earth pit filling the same with mixture of salt and charcol (25 kg X02 bags of charcoal and 50 kg X01 bag of salt) around the earth electrode and re-filling soil and fixing the pit, watering and finally testing & recording results as per item No. 01 above complete all as specified and directed.

Material and labour in repairs for Brazing of existing copper strip of any size, any height (on roof/ on wall) at various places complete all as specified and directed .

Material and labour in repairs for electric welding of existing GI strip of any size, any height (on roof/ on wall) at various places complete all as specified and directed.

M&L in repairs Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm, drilled and screwed including 3 nos. 8mm dia 25mm long hexagonal head screw complete all as specified & directed.

M&L including taking down the existing unserviceable and provision of new GI funnel and wire mesh for earth pits complete all as specified & directed.

Material and Labour including taking down of existing unserviceable earth Pit including provision of new earth pit of size 450X450 mm made of PCC 1:2:4 type B-1, suitable for any type of earthing complete all as specified and directed.

Material and Labour for RCC earth pit cover reinforced with XPM, weight not less than 4 Kg/Sqm and 6mm dia bar handle complete all as specified and directed.

M&L in repairs for 40 mm bore GI pipe light grade ISI marked for earth strip protection/ for lightening arrester with all fixing accessories for copper strip such as, Nut bolts and washers insulator with necessary brick work for fixing GI pipe complete all as specified and directed.

M&L for PCC 1:2:4 type C1 using 20mm graded aggregate for coping including necessary form work and fair finishing of exposed surface of concrete all as specified and directed.

S&F in repairs porcelain ridge insulator of size (75x35x40) mm including necessary nut bolt & washer for holding/fixing copper/GI/Aluminium earth strip on roof/wall complete all as specified and directed.

Taking out and removing earth strip of any size and any description all as specified and directed.

S&F in repairs galvanized iron strip of size 25 x 4 mm as earth continuity conductor buried in ground or fixed to wall/floor/ground provided with porcelain insulators space not less than 0.5 mtrs complete all as specified and directed.

All as per Srl item No 13 but of size 32 mm x 6 mm GI earth strip.

All as per Srl item No 13 but of size 25 mm x 3 mm aluminium conductor strip

All as per Srl item No 13 but of size 20 mm x 3 mm copper conductor strip.

Supply, fixing in replacement of Earth continuity conductor with 32mm x 6mm copper strip, pvc sleeve inulated all around including adequate size supporting/mounting insulator fixed to wall or buried in ground as required complete all as specified and directed.

Supply and fixing in repair of earth continuity conductor 4 mm dia galvanised iron or steel wire lead fixed on wall/batton/recess or chases or burried in ground or drawing through conduit or any other situation for loop earthing etc as required complete all as specified and directed.

S&F in repairs air termination single pointed aluminium rod 12 mm dia and 300 mm long with fixing socket including dismantling old one complete all as specified and directed.

Material & Labour in repairs for Earthing complete with copper earth plate electrode 60cm x 60cm x 3.15 mm thickness burried directly in ground (earth pit not less than 2.25mtr deep below normal ground level) with top edge of earth plate not less than 1.5 mtr below normal ground level connected to and incl copper strip 20X3 mm by means of nuts & bolts, check nuts and washers of brass incl PCC pit of 1:2:4 type B-1, cover reinforced with XPM weight not less than 4 Kg/Sqm and 6mm dia bar handle,earth pit angle iron frame of size 25x25x3mm, excavation and earth work in any type of soil, charcoal dust, salt, light grade GI watering pipe 20 mm dia with funnel and wire -mesh and medium grade GI protection pipe of 40mm bore from top edge of earth plate upto main distribution board complete all to as shown in electrical plate no 3 of MES SSR Part I 2009 connected board all as specified and testing on completion. (Note:- GI protection pipe and earth lead more than 7.5 RM shall be measure and paid separately)

Material & labour for earthing complete with galvanised steel pipe electrode, 40 mm bore, medium grade, 2.5 meters length, buried directly and preferably vertically in ground with top edge not less than 1.25 meters below ground level connected with earthing lead of 4 mm dia galvanised iron or steel wire all as shown in Plate No 2 to the earthing test point all as specified and indicated including testing on completion.

Material & Labour in replacement of Earthing complete with galvanised steel earth plate electrode 60cmx60cmx6 mm thickness burried directly in ground (earth pit not less than 2.25mtr deep below normal ground level) with top edge of earth plate not less than 1.5 mtr below normal ground level connected to and incl galvanised earth lead wire of 4.00 mm dia by means of GI nuts & bolts, check nuts and washers incl PCC pit of 1:2:4 type B-1, cover reinforced with XPM weight not less than 4 Kg/Sqm and 6mm dia bar handle, earth pit angle iron frame of size 25mm x 25mm, excavation and earth work in any type of soil, charcoal dust, salt, light grade GI watering pipe 20mm dia with funnel and wire -mesh and medium grade GI protection pipe of 15mm bore from top edge of earth plate complete all as shown in electrical plate No 3 of MES Sch 2009 (Part I) all as specified and testing on completion.

All as per Srl Item No 22 above but using 25X4 mm galvanised iron strip as earthing lead.

All as per Srl Item No 22 above but using 32X6 mm galvanised iron strip as earthing lead.

M&L for safe earthing electrode (SEE) designed with pipe technology with hot deep Zinc coated & Alloy coated (80 – 100) microns MS pipe size of outer pipe 76.3 mm dia and inner pipe 41.9 mm, 3 mtr long inside filled with ) crystalline conductive mixture (CCM) having non corrosive and conductive properties complete with two bag of Black filled compound (Electrodite) mixed with soil all around the earth pipe for smooth charge dissipation complete with bricks wall earth pit of size 450 x 450 mm with RCC pit cover including copper conductor strip of 32 X 6 mm. Make : Ashlok (Note:- The earth resistance should be less than two ohms and GI protection pipe and earth lead more than 7.5 RM shall be measure and paid separately)

M/S PRASHANT BENIWAL

Shri Maruti Trading Co.

M/S TANUSHREE CONSTRUCTION COMPANY

National Rewinding Works