special repairs and replacement of nylon newar with plywood of gi charpoys under ge dipatoli. , charpoy gi pipe (fd-220 (r)) s & f following components of charpoy gi pipe including dismantling unservicableand reassembling the charpoy complete all as directed:- , long rail made of 32 mm dia gi tubing medium grade isi mark of 1.88 mtr long, threaded at both ends and fixing to 3 way 32 mm dia gi elbow of charpoy. , 3 way 32 mm dia gi elbow medium grade isi marked , gi check nuts of 32 mm dia medium grade isi marked , conversion of 32 mm dia long rail obtained from serial itemno 1.01 above into two numbers short rail after cutting and threading both ends and fixing to 3 way 32 mm dia existing elbow . , conversion of 32 mm dia short rail obtained from item no 1 above into two numbers leg including fixing to 3 way 32 mm diaelbow after making one end threaded and other end welded with ms plate . , m & lfor removing old unserviceable nylon newar from existing charpoy giand s&f new bwr phenol bonded commercial plywood of size (2020 mm x 900 mm) x12mm thick including providing two nos ms flat stiffners of size (900mmx40mm) x 5mm thick duly painted with two coats of synthetic enamel paintafter applying red oxide primer fixed with 12 nos heavy duty nut and bolt galvanised ofsize 75mm x 6mm with washer complete all asdirected. the hole shall be made on long/short rails through electric drilll machine. note:- proper fitting/tighteningof charpoy frame shall be done before fixing of plywood. make of plywood - archid ply/green ply/century , s&f steel work in tubular trusses including special shaped washer etc complete using erw or induction butt welded tubes confirming to i.s. 1161-1998