Cleaning of sub-station yard, Maintenance of 15 KM Long HT OH line and providing lightning protection at different location of Block-B Mines and substation

Amount

Tree branches cutting/trimming under the overhead line and dispose/throw it up to 5mtr

Cleaning of transformer,switch yard i.e. cleaning of dirt,dust and dry leaves,washing of stone chips,uprooting of grass and again spreading of stone chips in proper way before and after monsoon or as per instruction of EIC

Supply of 33 KV pin insulator with hardware

Supply of 11 KV Post insulator for fixing of lightning arrestor with hardware

Supply and installation of lightning arrestor 5 KV type with connection to earth pit separately from structure (set of 3)

Excavation of pole pit size 0.75 x 0.75 x 2 mtrs. x 12 nos. in any type of soil.

Erection of 13 mtrs. to 16 mtrs. long tubular pole as required with providing and laying with cement concrete mixure (1:3:6 cement/ stone-mine gravel/ sand)

Safe & maintenance of free earthing electrode (GI pipe 50mm dia & 3 mtr in length as secondary electrode and 02 nos hot dipped galvanized strip size 25*6mm length 3 mtr confirming to IS 3043

Supply & filling of compound MFC-20(Bentonite powder)

Erection, testing and commissioning of maintenance free earthing electrode

Supply and erection of Lightning arrestor (Copper Trishul spike Type minimum dia 6 mm) on top of pole

Supply and laying of 50mm x 6 mm GI strip for connecting Lightning arrestor to earth electrode including soldering etc as required (204 Mtr. X2.4 KG/ Mtr.= 489.6 Kg)

Supply of epoxy support insulator, 7.2/6.6 KV Grade with pin nut and washer arrangement for connection of GI flat

Supply of MS/GI/Brassnut bolt and washer of different size as required

Erection of channel/ flat on pole including supply of nut bolt per pole

Total impact of GST for the purpose of CTC

M/S SARCO ENGINEERING WORKS