REPAIRS, PAINTING AND REPLACEMENT OF VARIOUS PARTS OF CHARPOY GI/IRON FRAME/IP FOLDING AT UMROI MIL STN UNDER GE UMROI

Charpoy GI with ply top includes following items (refer Drg No. FD-220)

Removing of existing unserviceable ply wood from GI Charpoy, including threading, tightening of all components of GI Charpoy and supply & fixing 12mm thick plywood of size 1980x900mm, BWR grade, conforming to IS : 303-1989, commercial face both side including replacing 25 x 5mm mild steel flat iron stiffener where required duly bolted with long rails at equal spacing. MS flat shall be painted with two coats of synthetic enamel paint over a coat of red oxide primer. 10 Nos flush headed bolts and nuts with washer shall be provided for fixing of plywood in the short rail /long rail with flat iron of suitable size as directed. Edges of Plywood shall be smoothened all around and corners shall be rounded and smoothened as per direction of GE/Engineer-in-Charge. One coat of water resistant adhesive/marine grade fevicol shall be given to edges all around after smoothened the edges.

Dismantling of existing unserviceable broken long rail of charpoy GI pipe and supply and fixing long rail made out of 32mm bore mild steel galvanised pipe medium grade ISI marked. The end of the pipe shall be threaded as required for fixing with the charpoy. Note :- Old serviceable long rail shall be kept in safe custody for re-used as short rail and legs and unserviceable GI Pipe shall be contractors property against credit.

Taking out old unserviceable short rail from the frame and making short rail from old long rail obtained from serial item No. 1.02 above by cutting serviceable part to required length, threading both end and fixing complete all as directed. Note :- Old Unserviceable short rail shall be kept in safe custody for re-used as legs and unserviceable GI pipe shall be contractors property against credit

Taking out old unserviceable GI legs from the frame and making legs from old long and short rail obtained from serial item No. 1.03 above by cutting serviceable part to required length, threading one end, another end shall be covered with block of hard wood and fixing complete all as directed. Note :- Unserviceable GI pipe shall be contractors property against credit

Supply and fixing galvanised iron 3 way elbow 32mm bore, ISI marked, medium grade length not less than 65mm in each way including dismantling of old elbow complete all as specified and directed.

Supply and fixing galvanised iron check nut, 5mm thick suitable for 32mm bore galvanised iron pipe including dismantling of old unserviceable check nut complete all as specified and directed.

Supply and fixing MNF clamp made out of flat iron 25mm x 3mm welded to GI pipe legs with end closed with 3mm thick MS plate welded to the clamp and 5mm thick MS plate welded properly at the bottom of leg including painting with two coats of synthetic enamel paint over a coat of red oxide zinc chrome primer complete all as specified and directed.

Charpoy Hard Top Iron Frame includes following items (refer Drg No. FD/MAP-II/01)

Removing of existing unserviceable ply wood from Charpoy hard top iron frame and supply and fixing 12mm thick plywood of existing size, BWR grade, conforming to the requirement of IS : 303-1989, commercial face both side duly fixed with stiffners all as specified and shown on drawing or as directed by Engineer-in-Charge.