1) strengthening of transmission line towers by tightening of tower cage members & earth filling and other associated works of 132kv laltappar-rishikesh line. 2) shifting of under frequency relay (ufr) panel to 220kv c&r room and its associated works at 220kv gis s/s iip harrawala. 3) replacing of 33kv isolator cubical box accessories and installation of mcb distribution box with cubical enclosure for existing switchyard lighting circuits at 132kv s/s laltappar. 4) anti-erosion and foundation
otection work by providing boulder apron at tower no. 46 anc cc protection work at gantry between tower no. 07 and 08 of 132kv laltappar-rishikesh line 5). general maintenance and cleaning of inside and rear areas of switchyard premises at 132kv s/s laltapp. 6) miscellaneous repairing and maintenance work on electrical fencing installed around the premises of 220kv gis s/s iip harrawala. 7) works related to realignment, gas refilling. cleaning, breakdown maintenance, and compressor replacement in 1-phase split air conditioner units at 220 kv gis substation, iip harrawala, dehradun. 8) replacement of damaged/defective disc insulator strings of tower no. 168 and 170 at 220 kv iip-rishikesh line. (hindi document)
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22 SEP 2026
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