tender for providing pipe line extension of thenmanapakkam oht head of kuppidisatham panchayat , supply and fixing of 90mm pvc pipe 6 ksc , earth work excavation and depositing on bank with initial lead and lift in all soil , laying and jointing of pvc pipe into trench 63 mm pvc pipe , refilling trench with excavated earth after laying the pipe , gst amount for providing service to government contract works for the above construction & maintenance works. { gst amount is the total gst amount for overall quoted amount (both construction and maintenance) above this row in column bb for all works in this package} (refer clause 13.2 & 13.3 of section 2 of instruction to bidders (itb) of sbd)