REPAIR / REPLACEMENT AND MAINTENANCE OF EARTHING SYSTEM AND MISC WORKS IN TECHNICAL AREA AND DOMESTIC AREA AT AIRFORCE STATION THANJAVUR.

Amount

Earthing soil resistivity improvement compound Gel (Power plus Gel) Enhancement compound transparent liquid Gel in 5 kg packing complete all as specified Make:- Powertrac / JJ Engineering / SM Infotech.

Earthing with GI earth plate electrode 600 X 600 X 6mm buried directly in ground (earth pit not less than 2.25M deep below ground level ) with top edge of the earth plate not less than 1.5M below ground level connected to GI strip 25 x 4mm thick for earthing lead fixed by means of nuts,bolt,washers etc connected to earth test point complete all as specified in electrical plate No 3 of SSR-1996 part 1 ,including earthing soil resistivity improvement compound Gel min 10 KG per earth pit and soil resistivity improvement compound 150 KG per earth pit and necessary excavation and earth work in any strata of soil,GI water pipe with 20mm dia funnel &wire mesh PCC pit with CI cover and frame etc complete all as specified. Note:- All the joints shall be made with welding to get the proper conductivity .

Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc as required 25 x 4mm GI strip including fixing arrengment like epoxy insulatos on wall/pole etc complete all as specified Note:- All the joints shall be made with welding to get the proper conductivity.

Earthing with GI earth plate electrode 600 X 600 X 6mm buried directly in ground (earth pit not less than 2.25M deep below ground level ) with top edge of the earth plate not less than 1.5M below ground level connected to GI wire 4mm dia for earthing lead fixed by means of nuts,bolt,washers etc connected to earth test point complete all as specified in electrical plate No 3 of SSR-1996 part 1 ,including earthing soil resistivity improvement compound Gel min 10 KG per earth pit and soil resistivity improvement compound 150 KG per earth pit and necessary excavation and earth work in any strata of soil,GI water pipe with 20mm dia.funnel &wire mesh PCC pit with CI cover and frame etc all as specified. Note:- All the joints shall be made with welding to get the proper conductivity.

Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc as required 4mm dia GI wire including fixing arrengment like epoxy insulators on wall/pole etc complete all as specified.

Earthing with copper earth plate electrode 600 X 600 X 3mm buried directly in ground (earth pit not less than 2.25M deep below ground level ) with top edge of the earth plate not less than 1.5M below ground level connected to copper strip 20 x 3mm thick for earthing lead fixed by means of nuts,bolt,washers etc.of copper / brass connected to earth test point complete all as specified in electrical plate No 3 of SSR-1996, part 1 ,including earthing soil resitivity improvement compound Gel min 10 KG per earth pit and soil resistivity improvement compound 150 KG per earth pit and necessary excavation and earth work in any strata of soil,GI water pipe with 20mm dia.funnel &wire mesh PCC pit with CI cover and frame etc all as specified. Note:- All the joints shall be made with bracing or proper conductivity.

Earth continuity conductor or main earthing lead fixed to wall on batten or recess or chases or buried in ground or drawn in conduit/pipe or fixed to poles or any other indicated situation for loop earthing etc as required 20 x 3mm copper strip including fixing arrengment like epoxy insulators on wall/pole etc.. Note:- All the joints shall be made with brazing to get the proper conductivity.

Pouring common salt commercial best quality complete all as specified.

Pouring charcoal best quality complete all as specified .

Excavation in trenches in soft/loose soil not exc. 1.5 metre wide and not exc. 1.5 metre in depth and getting out for taking up / laying under ground electric cable or for pole etc complete all as specified Note :- Mechanical excavation is not allowed in this Stn only manual excavation allowed.

Returning, filling, including spreading levelling watering and well ramming in layers not exceeding 25 cms in depth in soft/loose soils complete all as specified and as directed.

Removing surplus soils to a distance not exceeding 50 mtr and depositing where directed at a level not exc. 1.5 mtr above the starting point complete all specified.

GI tube medium grade,40mm dia, galvanised with all fittings and fixed complete to wall and ceiling or laid in floors or in trenches complete all as specified.

GI tube medium grade,25mm dia , galvanised with all fittings and fixed complete to wall and ceiling or laid in floors or in trenches completa all as specified.

Cutting of existing GI tube 40mm bore for making new connection inserting unequal Tee 40x40x25mm bore complete all as specified.

Gun metal globe or gate valve with iron wheel head, screwed both ends for iron pipe and fixed of size 25mm dia complete all as specified.

Bib taps cast copper alloy with crutch or butterfly handel screwed down screwed for iron pipe or for brass ferrule and fixed of size 15mm bore complete all as specified.

SUPER COOL