conversion of charpoy gi pipe nylon newar into charpoy gi pipe with plywood top at zakhama military station under age(i) zakhama , fd-220(charpoy) m&l removing existing u/s nylon newar from charpoy gi pipe and supply and fixing 12mm thick bwr grade plywoodfixed with flat head nut of size 60mm long, 5mm dia with bolt and washer alongwith flat iron of size 900mm x 50mm x 5mm thick including drilling hole in ply and charpoy frame rails on both sides complete all as specified and as directed . , m&l removing existing u/s long rails from charpoy gi pipe and s & f new long rails made out of gi pipe of 32mm dia, medium grade and making threads on both ends complete as specified and shown on drawing. , m & l removing damaged short rails and fixing only short rails (converted from long rails retrieved from item no 02 above) of charpoy gi pipe including necessary cutting, threading etc. including taking out old one complete all as directed and shown on drawing. , m & l fixing legs (converted from short/long rails retrieved from item no 02 & 03) of charpy gi pipe with nylon newar made out of 32 mm dia gi pipe with necessary cutting, threading etc. including taking out old one complete all as directed and shwon on drawing. , removing existing u/s gi elbow from charpoy gi pipe and s & f new 3 way gi elbow 32 mm dia medium grade isi mark in the existing position complete all as directed and shwon on drawing. , removing existing u/s check nuts from charpoy gi pipe and s & f new check nuts 32mm dia, gi medium grade in the existing position complete all as directed and shown on drawing.