SPECIAL REPAIRS TO LIGHTENING CONDUCTORS AND ALLIED WORKS AT BLDG NO P-201 TO 203 P-206 TO 209 C-1 C-2 P-2 WP SHED IN DEFINNED OPEN AREA OF C MAGAZINE AMMUNITION DUMP VARIOUS INSTALLATIONS OF AGE EM UNDER GE DEOLALI

Amount

Supply, Installation,Testing and Commissioning of Maintanance free Chemical Earthing in hard rock with Borewell Machine of Dual Pipe Technology of 3 Meter long with Outer pipe Diameter of 88 mm & inner pipe diameter 48 mm, outer surface of pipe shall be properly copper coated up to 250 micron and Wall thickness of inner pipe shall be 2.6 mm and 1.8 mm for outer pipe. The terminal for connection of 75 X 5.2 mm with two holes of 14mm diameter. FAST ELECTRODE dully filled with the highly conductive material with sealing at both ends with lead terminal of 75 X 5.2 mm at top. The FAST ELECTRODE shall be duly tested & certified by CPRI (Central Power Research Institute), Govt. Of India for a minimum short circuit current of 42 kArms for 1 Second with initial pick of 88.2 kA. The Electrode should be tested in MSME Govt of India. The Electrode should be type tested for Salt Spray test as per BIS 117-09 for corrosion for minimum 500 hrs.Along with Supply of Fast Electrode Earth Enhancing Compound of 25kgs each.Chemical compound shall be tested and certified by any international accredited and BIS (Bureau of Indian Standards) accredited laboratory all as specifide and directed. Make - Fast Eletrode Pune HSN SAC Code : 85351010 or Equivalent. Note: (i)Earthing place may Varry in Soft/ Hard soil or Soft Rock.(ii) Earth Test Result should be Less than 2 Ohm

Supply & fix single pointed air termination Copper rod 12mm dia and 300 mm long incl support block incl taking down u/s complete all as speicified.

Supply and installation of earth continuity conductor or main earthing lead 32x6mm fixed to wall on batten or recess or chases or buried in ground or drawin in conduit / pipe or fixed to poles or any other location indicated for loop earthing etc as required including taking down u/s strip any type complete ll as specifide and directed.

Supply & fix aluminium strip 25mmx 3mm as a roof conductor or down conductor complete with saddles and fixing screws including taking down any type of old strip complete all as specified and directed by Engr-in-charge .

Supply & fix GI Wire 4 mm dia as down conductor complete with fixing screws including taking down any type of old wire complete all as specified and directed by Engr-in-charge.

M&L for HDPE/Porceiline insulator suitable for fixing earthing strip to the wall / floor/pole or any location all as specified and as directed .

Supply and fix test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm , drilled and screwed including 3 nos. 8mm dia 25 mm long hex. head screw, complete with suitable polycaronate box with locking arrangement all as specified and directed by Engr-in-charge.

M&L for earthing complete with galvanised Mild steel earth plate electrode size 600 x600x6 mm thick buried directly in ground (preferably in vertical position earth pit not less than 2.25 mtr below normal ground level with top edge of the earth plate not less than 3 mm (BGL) connected to galvanised iron strip 32x6mm as earthing lead by means bolts, nuts check nuts including PCC pit in RCC 1:2:4 type B-I, 20 mm bore medium grade, GI water tubing fixed with CI funnel wire mesh 15 mm light grade for protection pipe including charcoal common salt complete all as specified in EP No 3 of SSR -1991 Part-I connected to test complete all as specified.

M&L for earthing complete with galvanized mild steel earth plate electrode size 600mm x 600mm x 6mm thick buried directly in ground (Preferably in vertical position) earth pit not less than 2.25 metre below normal ground level with top edge of the earth plate not less 1.5 metre (BGL) connected to galvanized iron earth lead wire 4mm dia by means of bolts, nuts, check nut and washer of galvanized iron including PCC pit in RCC 1:2:4 type B-1, precast RCC cover with suitable handle, excavation and earth work in any type of soil, 20mm bore “medium grade” galvanized iron water tubing fixed with cast iron funnel and wire mesh and 15mm bore “light grade” galvanized iron protection pipe for earth lead wire upto 5m length, charcoal, common salt, complete all as shown in EP No 1 of SSR 2009 Part-I, connected to test point complete, all as specified and testing on completion, complete all as specified and directed. Note : GI earth wire more than 7.5 m will be measured and paid separatly.

S&F Lightning arresters non linear type complete with all fitting transmission class, discharge capacity 10 Kilo Amps Suitable for 11000 Volts complete all as specified and directed.

M&L PCC block of size 45cmx 45cm x50cm in cement concrete 1:2:4 type B-1 for fixing/imbedding of GI Pipe fitted in Air termination complete all as specified and directed.

S&F tubes light grade,50mm dia galvanised with all fittings, laid in trenches and/or fixed in wall/ roof, etc. with suitable size of clamps, nuts bolts and washers for fixing of air terminal complete all as specified and directed.

S&F tubes light grade, 40mm dia, galvanised with all fittings, laid in trenches and/or fixed in wall/ roof, etc. with suitable size of clamps, nuts bolts and washers forProtection og GI/ Aluminium Strip,complete all as specified and directed.

AGRAWAL ASSOCIATES

YASHASVI ENGINEERS

n.p.shinde electricals

Maruti Abhiyantriki