THE WORK OF RETROFITTING OF RELAY REPAIRING AND OVERHAULING OF COMPLETE ISOLATOR ISOLATOR MECHANISM BOX, PROVIDING AND FIXING OF LOCAL REMOTE SWITCH PAINTING OF MS EARTHING STRIP ETC AT DIFFERENT SUBSTATIONS UNDER ETD MURADNAGAR

Amount

At 220kV substation Muradnagar Retrofitting of O/C & E/F relay on 132kV Lalkuan feeder control and relay panel in place of defective M2 Relay (ZIV Make) work include removing of wire connection of old & defective relay, removing of relay, modification of pocket of proper size as per relay requirement, drilling of hole fix the relay with nut bolt, making cable schedule, connection of wire with proper ferrules, dressing with tie belt etc.

Providing and fixing of Local/Remote switch on breaker cubical and panel of 132kV 40MVAr Capacitor banks. Work includes dismantling of defective/damaged Local/Remote switch after removing wire connection. Fixing of new Local/Remote switch of Switron/Kaycee make, doing wire termination with proper ferrules and tracing with tie bar.

Repairing and overhauling of 220kV transfer bus isolators installed on 220kV Feeder Dadri, I/C-I and 220kV TBC at 220kV substation Muradnagar. Dismantling of whole isolator assembly including control & coupling pipe, male and female arm assembly, driving gear of control mechanism etc. Reassembling of the same after checking and fixing the problem ( For getting proper alignment welding/gas cutting, machining work etc. ), check isolator assembly, replacement of male, female arm assembly, finger contacts male contact rotating head as per requirement, greasing and oiling of all movable parts of the isolator, proper cleaning of male and female contact, cleaning of Isolator auxiliary contacts and all related works to complete the job satisfactory and check the operation and alignment of the isolator. Note- Male/female contact/arm assembly, clamp, rotating head, clamps &b conductor ( If required) will be provided by Department.

Painting of following old M.S earthing strip above ground level at 220kV and 33kV switchyard with one coat of red oxide primer and two coat of synthetic enamel paint including rubbing and cleaning including cost of all material, labor and T&P. 75x10 mm

At 220kV substation Faridnagar. Repairing and overhauling of 132kV isolator operating mechanism box at 220kV substation Faridnagar. Work includes dismantling of isolator mechanism box, removing of coupling rod, removing driving motor with gearbox, manually operating gear box, cleaning of all gears with cleaner, replacement of damaged bearing, Bushes, machining & welding work on shaft, Rod etc. as per requirement, cleaning of auxiliary switch. Fixing of all dismantled parts after greasing/oiling, check the operation of isolator, check ON/OFF status at relay panel and related work to complete the job satisfactory.

Painting of ACDB installed at switchyard after proper cleaning with one coat of red oxide paint and two coat of Grey/Silver color paint of Berger/Narolac/Asian paints make.

Installation of 250 Amp power receptacle with proper grouting ( With concrete and cement), laying of cable from main ACDB to newly installed power receptacle, termination of both side cable with lugs and ferrules etc. and related work to complete the job satisfactory.

msn construction company

General Engineering Works