special repair / replacement to gi charpoys under ge ( north ) mamun at mamun mil stn , taking out existing one broken long rail of charpoy and supply and fixing new long rail made out of 32mm bore medium grade gi tubing both ends threaded complete all as specified , and shown on drawings . make : jindal / prakash / tata , forming two short rails out of one unserviceable long rail retrieved from item no 1 including cutting and threading both ends and fixing into existing charpoy frame including taking out unserviceable short rails complete all as specified , and shown on drawings . , forming two legs out of one unserviceable short rail retrieved from item no 2 including cutting and threading both end and providing 32mm gi cap plugs and fixing into existing charpoy frame including taking out two unserviceable legs complete all as specified , and shown on drawings . , m&l for 32mm dia , 65mm long gi three way elbow fixed in repair to charpoy including taking out unserviceable elbow complete all as specified , and shown on drawings . , m&l for 32mm dia gi check nut including taking out unservicable check nut complete all as specified , and shown on drawings . , m&l for conversion of gi charpoy newar to plywood top gi charpoy including fixing with 03 nos ms flat iron stiffner of size 900mm x 40mm x 6mm equally spaced ( parallel to short rail ) including drilling / welding and providing 12mm thick commercial plywood ( bwr grade-i ) fixed with and including nut , bolts & washer of stainless stell appropriate size and taking out existing nylon newar and tightening of frame , complete all as specified and shown on drawings . make of plywood : century / dura / greenply / kitply note : the plywood to be purchased directly from manufacturer / authorised dealer / distributor of manufacturer . in case plywood is purchased through authorised dealer / distributor , certificate from manufacturer in respect of authorised distributorship to be submitted alongwith purchase voucher to engr-in-charge by the contractor .