Provision of Earthing with associated works and installation of surge protection device at various locations at S. V. Airport, Raipur.

Amount

Earthing with G.I. earth plate 600 mm X 600 mm X 6 mm thick including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required.

Providing and fixing 25 mm X 5 mm G.I. strip in 40 mm dia G.I. pipe from earth electrode including connection with G.I. nut, bolt, spring, washer excavation and re-filling etc. as required.

Earthing with G.I. earth pipe 4.5 metre long, 40 mm dia including accessories, and providing masonry enclosure with cover plate having locking arrangement and watering pipe etc. (with charcoal/ coke and salt ) as required.

Providing and laying earth connection from earth electrode with 6 SWG dia G.I. Wire in 15 mm dia G.I. pipe from earth electrode including connection with G.I. thimble excavation and re-filling as required.

Providing and fixing 25 mm X 5 mm G.I. strip on surface or in recess for connections etc. as required.

Providing and fixing 6 SWG dia G.I. wire on surface or in recess for loop earthing as required.

Supplying and spreading Stone Aggregate (Single size) : 40 mm nominal size spreading uniformly having 100mm bed thickness in HT yard area.

Fiber Telescopic Earth Discharge Rod 4-Sections, Rubber Grips, Nut Bolt Locking, Line Clamp: Alum Die Cast – 35mm Dia., Extendable Up to 18-feet With Copper Flex. Cable 10 SQ.mm X 1C X 6.0 Meter Long With Grounding C-Clamp Suitable for 11-33KV

Supplying and making outdoor cable end termination with heat shrinkable jointing kit complete with all accessories including lugs suitable for following size of 3 core, XLPE aluminium conductor cable of 33 KV grade as required : 300 Sqmm

Supply of 1 X 16 Sqmm sizes un-armoured Aluminium solid conductor XLPE insulated, PVC tape inner sheathed Cable for working voltage 1.1 KV grade & as per IS: 7098 (Part- I ) 1988 with up to date ammendments, complete etc as required.

Supply and Installation of surge protection device ( SPD ) 04 pole ( B +C ) type including all interconnection including interconnection with earthing etc complete as required . ( Make :- As per AAI approved Make)

DOSHI ELECTRIC ENGG. CO.