tender for providing pipe line at attupakkam village kki house road right side head of attupakkam panchayat , 63mm pvc pipe , 63mm pvc bend , 63mm pvc tee , solvent cement , earthwork pipeline from borewell to oht , labour charges for laying and jointing of 90mm pvc pipe , refilling with excavted earth inside trench , 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)