| 1 | 1 | Air terminations Single pointed aluminium rod 12 mm dia and 300 mm long with necessary fixing arrangements on roof including taking down of old rusted complete all as specified and directed. | | 100 | Each |
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| 2 | 2 | Air terminations Single pointed copper rod 12 mm dia and 300 mm long with necessary fixing arrangements on roof including taking down of old rusted complete all as specified and directed. | | 20 | Each |
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| 3 | 3 | Test point terminal block made of gun metal or phosphorus bronze size 75 x 75 x 25 mm, drilled and screwed including 3 nos 8 mm dia 25 mm hexogonal head screw including taking down old rusted complete all as specified and directed. | | 200 | Each |
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| 4 | 4 | Rectangular PVC insulators for copper/ aluminium/GI strip complete all as specified and directed. | | 2360 | Each |
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| 5 | 5 | Aluminium Strip 25 x 3.15 mm and fixing screws from aluminium air termination rod to test point terminal as down conductor and roof conductor including taking down of old rusted complete all as specified and directed. Note :- All the joints shall be made with nuts & bolts to get proper conductivity. | | 2000 | RM |
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| 6 | 6 | Copper Strip 20 x 3.15 mm and fixing with screws as continuous lead from Copper air termination rod to test point ternimal as down conductor, roof conductor and continuous earth lead to test point terminal including taking down of old rusted complete all as specified and directed. Note :- All the jonts shall be made with copper brazing to get proper conductivity. | | 250 | RM |
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| 7 | 7 | Fixing only old aluminium/copper strip of any size on insulator including straightening to old strip etc complete all as specified and directed. | | 2300 | RM |
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| 8 | 8 | Earthing complete with Copper earth plate electrode 600 mm x 600 mm x 3.15 mm thick burried directly in ground (earth pit not less than 2.25 meter deep below normal ground level with top edge of earth plate not less than 1.5 m below the normal ground level) connected with and including to copper strip as earth wire 20 x 3.15 mm dia by means of bolts, nuts, check nuts and washers of brass all as shown in elelctrical plate No 3 including charcoal dust, common salt, 20 mm bore GI medium grade watering pipe, 40 mm dia GI light grade protection pipe with funnel and wire mesh, PCC Pit in 1:2:4 type B-1 (using 20 mm graded stone aggregate) with angle iron 40 x 40 x 5 mm frame, RCC pit cover of suitable size complete all as specified and directed by Engr-in-Charge and testing for required value complete. | | 30 | Each Set |
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| 9 | 8.01 | Note :- (i) Item include the cost of earth lead and GI protection pipe upto 7.5 mtr length.\n \n(ii) On completion of Earthing Contractor should check Earthing Results and submit the Test Report to Engr-in-Charge. If desired results are not obtained then Earthing shall be redone by the contractor at his own cost. | | | |
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| 10 | 9 | Cutting of concrete in paving exceeding 15 cm thickness but not exceeding 30 cm below ground level by using mechanical concrete cutting machine complete all as specified and directed. | | 100 | RM |
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| 11 | 10 | Cement concrete type C-1 (1:3:6) (using 20 mm graded aggregate) for making good distrubed surface per existing finished even and smooth complete all as specified and directed by Engr-in-Charge. | | 5 | Cum |
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| 12 | 11 | Earthing complete with galvanised steel earth plate electrode 600 mm x 600 mm x 6.00 mm thick burried directly in ground (earth pit not less than 2.25 meter deep below normal ground level with top edge of earth plate not less than 1.5 m below the normal ground level) connected to galvanised iron strip 25 x 4 mm as earth lead by means of bolts, nuts, check nuts and washers of galvanised iron or steel as shown in elelctrical plalte No 3 including charcoal dust, commen salt, 20 mm bore GI medium grade watering pipe, 40 mm dia GI light grade protection pipe with funel and wire mesh, PCC Pit in 1:2:4 type B-1 (using 20 mm graded stone aggregate) with angle iron 40 x 40 x 5 mm frame, RCC pit cover of suitable size complete all as specified and directed by Engr-in-Charge and testing for required value complete. | | 10 | Each Set |
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| 13 | 11.01 | Note :- (i) Item include the cost of earth lead and GI protection pipe upto 7.5 mtr length. \n\n(ii) On completion of Earthing Contractor should check Earthing Results and submit the Test Report to Engr-in-Charge. If desired results are not obtained then Earthing shall be redone by the contractor at his own cost. | | | |
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| 14 | 12 | Earthing complete with galvanised steel earth plate electrode of size 600 x 600 x 6.00 thick as earth electrode burried directly in ground earth plate not less than 2.25 m deep below normal groung level with top edge of earth plate not less than 1.5 m below ground level connected to and including galvnised steel earth lead wire 4 mm dia as earth continuity conductor connected to earth plate by means of GI thimbles nuts bolts washers all as directed inculding providing earth wire protection pipe GI light grade 15 mm dia from earth plate to main switch board/panel, watering GI pipe medium grade 20 mm dia with mesh and funnel at top, earth pit and RCC pit cover in PCC 1:3:6 adequate quantity of characoal dust and salt all around the earth plate, earth work in any type of soil, remaning surplus excavated material all as required at site and specified in EP no 3 of SSR Part I 2009 or complete all as specified and directed by Engineer-in-Charge. | | 100 | Each Set |
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| 15 | 12.01 | Note :- (i) Item include the cost of earth lead and GI protection pipe upto 7.5 mtr length. \n\n(ii) On completion of Earthing Contractor should check Earthing Results and submit the Test Report to Engr-in-Charge. If desired results are not obtained then Earthing shall be redone by the contractor at his own cost. | | | |
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