Provision of 14Nos. of additional earth pits connection with 40mm M.S. Rod for a depth of 20 feet 7Nos. for each feeder VCB bays- 2 Nos. for LV I- II VCB, 1 No. for GC breaker and 2 Nos. for 16 MVA Power Transformers I-II at Kolathuplym 110/22 KV SS

Labour for excavation & refilling of average depthy of 0.80 x 0.30 m for earth mat. (Normal soil)

Supplying and fixing of earth mats using M.S.flat of size 65 x 10 mm including cost of all materials, labour for fabrication of earth mat, transporting, all lead, lift, cost of machineries, consumables for erection, etc., complete.

Labour, machineries, consumables for earth raisers for equipments and structures. (Electricity supply will be brone by the department) Under Line Clear condition.

Supply of materials for earth pit of 115 mm dia. to a depth of 6 mtrs. including cost of materials for earth electrode using M.S. rod 40 mm dia. M.S. angle, red soil and bentonite powder of 20 Kg. and other sundries as per approved drawing. Indentification board of size 300 x 150 mm 14 SWG, Gi bolt & nut as directed by the field Engineer.

Labour for providing earth pit of 115 mm dia. to a depth of 6 mtrs. Including fabrication of earth electrode using M.S. rod 40 mm dia., M.S. angle & insert electrode in to the bore and refilling with red soil and bentonite powder of 20 Kg. and cement collars and ther sundries. Indentification board of size 300 x 150 mm 14 SWG. lettering and 12 mm M.S. round rod with suitable bolt to be fixed in the board and anti corrosive black paint should be painted top of the erath rod & its holding portion as directed by the field Engineer. Under Line Clear condition.

Supplying and fixing of 0.60 m dia. cement concrete collar including cost of all materials, labour, transporting, all lead, lift,etc., complete.

Sub Total