Substation & Switchyard Works Tenders

Earthing of S/s outdoor equipments: Laying of earth mat in the switchyard by laying of M.S. round of 32 mm dia in 1000 mm deep trenches with M.S. round 32mm dia, 3 Mtr. long earth electrodes as per RESPO/approved SOP drawing. The work includes welding of the M.S. round, connecting all steel structures in the switchyard with the earth mat by means of G.I. strips of size 50x6 mm as per item below (All required materials will be provided by contractor). (A) Excavation of earth/trenches 1000 mm deep from FGL level for laying MS earth mat (32 mm dia MS round rod).(B) Laying of 32 mm dia MS round earth rod horizontally in 1000 mm deep trenches at every 3 mtr lengthwise and every 3 mtr widgthwise throughout the switchyard. (C) At the level of 1000 mm deep trenches, at each cross joint of horizontally laid MS earth mat, bury 3 mtr long 32 mm dia MS round earth rod vertically in the ground and properly shape and weld each joint. The works includes cutting, shaping and binding, preparation of joints, proper making and welding of main earth mat bar joints and applying bitumen, bitumen impregnated on joints U clamp i.e. end joints, cross joints, lap joints etc).(D) To weld riser GI strip of 50x6 mm from main horizontal earth mat as per leg of each switchyard structures and to weld riser strip from two different locations (top & bottom) on the leg of the structures of each equipments like Transformer, Terminal gantry, Bus-bar gantry, Post insulator, 33 kV CT, 33 kV PT, Line & Bus isolator etc.

Earthing of S/s outdoor equipments: Laying of earth mat in the switchyard by laying of M.S. round of 32 mm dia in 1000 mm deep trenches with M.S. round 32mm dia, 3 Mtr. long earth electrodes as per RESPO/approved SOP drawing. The work includes welding of the M.S. round, connecting all steel structures in the switchyard with the earth mat by means of G.I. strips of size 50x6 mm as per item below (All required materials will be provided by contractor)(A) Excavation of earth/trenches 1000 mm deep from FGL level for laying MS earth mat (32 mm dia MS round rod).(B) Laying of 32 mm dia MS round earth rod horizontally in 1000 mm deep trenches at every 3 mtr lengthwise and every 3 mtr widgthwise throughout the switchyard.(C) At the level of 1000 mm deep trenches, at each cross joint of horizontally laid MS earth mat, bury 3 mtr long 32 mm dia MS round earth rod vertically in the ground and properly shape and weld each joint. The works includes cutting, shaping and binding, preparation of joints, proper making and welding of main earth mat bar joints and applying bitumen, bitumen impregnated on joints U clamp i.e. end joints, cross joints, lap joints etc).(D) To weld riser GI strip of 50x6 mm from main horizontal earth mat as per leg of each switchyard structures and to weld riser strip from two different locations (top & bottom) on the leg of the structures of each equipments like Transformer, Terminal gantry, Bus-bar gantry, Post insulator, 33 kV CT, 33 kV PT, Line & Bus isolator etc.

Providing and fixing of ISI marked flush door shutters conforming to IS : 2202 (Part I) non-decorative type, core of block board construction with frame of 1st class hard wood and well matched commercial 3 ply veneering with vertical grains or cross bands and face veneers on both faces of shutters: 30 mm thick including ISI marked Stainless Steel butt hinges with necessary screws. DSR. 9.21.2 (Civil)

Providing and fixing ISI marked flush door shutters conforming to IS : 2202 (Part I) non-decorative type, core of block board construction with frame of 1st class hard wood and well matched commercial 3 ply veneering with vertical grains or cross bands and face veneers on both faces of shutters:30 mm thick including ISI marked Stainless Steel butt hinges with necessary screws

UNIQUE CODE - (R002) CONSTRUCTION OF NEW FEEDER UNDER SUB-STATON KHAIRABAD