Supply, Fabrication, Sand Blasting And Zinc Painting Of Rs Joist ,ms Channel, Ms Angle Various Size & Erection Of Steel Structure, Earth Mat , Earth Raisers & Earth Bore, Laying Of Control Cable End Termination Etc., For 2nos 110kv Bay Arrangement To M/s Cmrl Alwarthirunagar Rss Depot For Extension Of 110kv Eht Supply For A Demand Of 5 Mva In Chennai South I Edc.