| 1 | 1 | Labour only for re-fixing in repair aluminium strip of size 25 mm x 3.15 mm or other sizes as per site requirement to porcelain insulator with suitable saddles & fixing screws etc on roof or on wall (approx. 35 feet above GL) including of bitumen washer, nuts, bolts, etc. required to fix the strip on existing serviceable or new insulators complete all as specified and directed. NOTE - Cost of suitable fixing jobs including fixing material like drilling, welding, etc. required for fixing of strip and insulators on the any existing surface like PCC wall, asbestos sheet, etc. at site is deemed to be included in the quoted rate. | | 150 | RM |
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| 2 | 2 | -Ditto- all as per item No 1 above but GI strip 32 mm x 6 mm. | | 350 | RM |
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| 3 | 3 | Labour only for re-fixing in repairs/replacement air termination at any height, single pointed, aluminium rod 19 mm dia and 600 mm long to be screwed and sturdily fixed to GI pipe of 40 mm dia with and including two no. sets of suitable size nut, bolt, washers (02 Nos.) all as specified and directed by Engr-in-Charge. NOTE - PCC block and GI pipe required shall be measured and paid separately under relevant items of Sch 'A'. | | 100 | Each |
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| 4 | 4 | S&F in repairs/replacement air termination at any height, single pointed, aluminium rod 19 mm dia and 600 mm long or other sizes as per site requirement to be screwed and sturdily fixed to GI pipe of 40 mm dia with and including two no. sets of suitable size nut, bolt, washers (02 Nos.) all as specified and directed by Engr-in-Charge. NOTE - PCC block and GI pipe required shall be measured and paid separately under relevant items of Sch 'A'. | | 850 | Each |
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| 5 | 5 | S&F in repair/replacement aluminium strip at any height of size 25 mm x 3.15 mm to porcelain insulator with suitable saddles & fixing screws etc on roof or on wall (up to approx. 35 feet above GL) including of bitumen washer, nuts, bolts, etc. required to fix the strip on existing serviceable or new insulators complete all as specified and directed. NOTE - Cost of suitable fixing jobs including fixing material like drilling, welding, etc. required for fixing of strip and insulators on the any existing surface like PCC wall, asbestos sheet, etc. at site is deemed to be included in the quoted rate. | | 1425 | RM |
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| 6 | 6 | -Ditto- all as per item No 5 above but GI strip 32 mm x 6 mm. | | 2950 | RM |
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| 7 | 7 | M & L for fixing and connecting in replacement test point terminal block made out of gun metal or phosphorus bronze size 75 x 75 x 25 mm thick drilled and screwed including 03 Nos 8 mm dia 25 mm long hexagonal head screws fixed to GI strip bracket fixed to porcelain insulator on wall as in repairs, complete all as specified and directed. Note: Porcelain insulator will be measured & paid separately. | | 110 | Each |
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| 8 | 8 | S&F in replacement GI strip 32 mm x 6 mm to be buried in ground as earth continuity conductor to be fixed from test point to test point complete all as specified and directed. Note - Earth work required shall be measured and paid for separately under relevant items of Sch 'A'. | | 350 | RM |
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| 9 | 9 | S&F in replacement at any height and on any surface vitreous china porcelain insulator with busbar support, white type to be fixed on wall or on roof (upto. 35 feet above GL) for fixing of GI or copper conductor earth continuity strip complete all as specified and directed. NOTE - Cost of suitable fixing jobs including fixing material like drilling, welding, etc. required for fixing of strip and insulators on the any existing surface like PCC wall, asbestos sheet, etc. at site is deemed to be included in the quoted rate. | | 3500 | Each |
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| 10 | 10 | M&L for earthing complete with hot dip galvanized steel pipe in pipe electrode, outer pipe 88mm dia medium grade and inner pipe 55 mm dia including testing, 3 mtr long and having 50x6 mm terminal on inner pipe to connect earthing strip with 14 mm holes for nut bolts, buried directly and vertically in ground with top edge at 30 cm below ground level after making bore hole of 100 mm dia and 3.3 mtr deep using suitable mechanical drilling machine (for drilling near the specified bldg) connected with galvanized steel earthing lead of 32x6 mm strip with minimum two Nos of GI nut bolts and connected to test point from earthing pit. The electrode pipes should be filled with 2x 25 kg bags of carbon based earthing compound. The resistance of the compound should be less than 0.1 Oms . The compound should be highly conductive, hygroscopic, non magnetic, non corrosive in nature and have best moisture retaining qualities with ph value between7-9. Connected to the earthing test point, Fiber reinforced plastic pit not less than 300x300 mm with pit cover, including necessary returning filling & removal of extra soil , to achieved earth resistance value less than 5 Oms including testing complete all as specified Make U-Protect/OBO or equivalent NOTE: IF the desired result not obtained after testing the contractor should do the earthing at other place without any extra cost. | | 50 | Each \nSet |
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| 11 | 11 | Demolition of Brickwork or stone/boulder masonry, built in cement mortar or cement lime mortar including all quoins, arches, pillars, etc, but excluding ashlars facings, dressed stonework and precast concrete articles and removing the debris from the site to a location as directed. | | 24 | Cum |
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| 12 | 12 | M&L for PCC (1:2:4) type BO (using 12.5 mm graded stone aggregate) for block size form work as in grouting of GI pipe of air termination rod on the roof (approx. 35 feet above GL) and for making good to PCC pavement/road/hard standing, all as specified and directed. NOTE - (i) Size of PCC block required for erection of GI pipe-air termination arrangement is to be approved by Engr-in-Charge. (ii) Quoted rate is deemed to be inclusive of arrangements required for fixing of PCC blocks at any height and on any surface. | | 24 | Cum |
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| 13 | 13 | M & L for testing of lighting protection system & earthing (except new earthing covered under srl item Nos 09 herein before) of various Tech Accns in the presence of JE E/M/ Engineer -in -Charge by removing all earthing connections and the resistance of earthing (if any) & lightning protection network detailing the defective earthings & lightening protection systems. Items to be repaired/ to be renewed must be noted down during record of test of lighting protection system. The test results should be kept on record after repairs/renewal and have to be get signed from Engineer-in-Charge along with the signature of Contractor. NOTE: (i) The earthing showing test result beyond 10 ohms are to be renewed and will be measured & paid for separately under relevant item of Sch 'A'. (ii). Earth Megger for measuring the resistance of each earthing and connected accessories is to be brought by the contractor. | | 250 | Job |
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| 14 | 14 | S&F in repairs/replacement 01 RM long 40mm dia. light grade GI pipe with provision of two no. holes (at appropriate offsets as approved by Engr-in-Charge) on its body so as to fix 19mm dia. aluminium air termination rod at top and 02 Nos. 12 cm long criss-cross welded 8mm dia TMT bar arrangement at the bottom and to be grouted in PCC block at any height complete all as specified and directed. | | 1050 | Each |
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| 15 | 15 | S&F in repairs/replacement 02 RM long 40mm dia. light grade GI pipe with provision of two no. holes (at appropriate offsets as approved by Engr-in-Charge) on its body so as to fix 19mm dia aluminium air termination rod at top and 02 Nos. 12 cm long criss-cross welded 8mm dia TMT bar arrangement at the bottom and to be grouted in PCC block at any height complete all as specified and directed. | | 200 | Each |
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| 16 | 16 | S&F in repairs/replacement 2.5 to 3.0 RM long 40mm dia. light grade GI pipe with provision of two no. holes (at appropriate offsets as approved by Engr-in-Charge) on its body so as to fix 19mm dia aluminium air termination rod at top and 02 Nos. 12 cm long criss-cross welded 8mm dia TMT bar arrangement at the bottom and to be grouted in PCC block at any height on roof top complete all as specified and directed. \nNote for Item Nos. 01 to 16 :- (a). Necessary safety measures are to be taken while carrying out repair works. (b) Proper Scaffolding arrangement/ladder(s) is to be used and the rate of the same is deemed to be included in the quoted rates. (c) Any damage/loss to govt. property will be make good by the contractor at his own cost. (d) Labour employed shall be given all safety equipments like safety belts and connected items. | | 100 | Each |
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| 17 | 17 | M&L for PCC type B-1, 1:3:6 using (20 mm graded stone aggregate) for coping, including form work complete all as specified & directed. | | 11 | Cum |
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| 18 | 18 | S&F in repairs/replacement 40mm dia. GI pipe, light grade, buried in trenches/or to be fixed on wall as earth continuity protection pipe in repairs including necessary excavation and earth work in hard soil, returning & filling in, watering and well ramming, removal of surplus soil to a distance not exc 50 mtrs complete all as specified and directed. | | 150 | RM |
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| 19 | 19 | Removing existing worn out CI cover with angle iron frame of earth chamber and supply and fix new CI cover of size 30 cm x 30 cm x 6 mm thick fixed in frame made out of mild steel angle iron 40 mm x 40 mm x 6 mm thick with and including locking and lifting arrangement, painting with two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer on steel surfaces complete all as specified and directed. | | 40 | Each |
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| 20 | 20 | Excavation in trenches in any type of soil not exceeding 1.5 Meter deep and not exceeding 1.5 meter width and getting out including forming bottom surface & sides to required slope/size as directed by the Engineer-in-Charge | | 40 | Cum |
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| 21 | 21 | Returning filling in, and including spreading and leveling in layers not exceeding 25 cm thick complete all as specified & directed by Engineer-in-Charge. | | 40 | Cum |
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