Tender For finished fabricated switchgear house as per drg. no. 35215002197-v01 - finished fabricated switchgear house as per drg. no. 35215002197-v01 along with 524d ext. ch. to drg. no. 15215001640- v00. pvc factor of steel is 1:631. base rate of 1mm thick cr coil of steel is rs 70.820 (with gst)/- kg as per average jpc rate of kolkata, delhi, mumbai & chennai city (jpc circular dated 21- 08-2024).