REPAIR/ REWELDING/ MODIFICATION OF CHARPOY GI PIPE AT AF STN CHANDIGARH

Amount

Repair to charpoy GI pipe with nylon newar to ply top as under:- (a) Removing of unserviceable nylon newar from charpoys GI pipe. (b) Tightening of loose check nuts, elbows, long rails, short rail legs etc. complete charpoy. (c) S&F (with proper welding process) flat iron stiffeners 32 x 5mm, 3 Nos. in each charpoy in between the long rails. The stiffeners shall be painted throughout with 1st quality synthetic enamel paint in black shade over a coat of red oxide primer and welded to frame complete with proper welding process. (d) S&F of plywood commercial both side 12mm thick x 7 ply of BWR exterior grade of size 1980mm x 900mm (approximate) with 13 No. of nut and bolts of appropriate approved size in each charpoy. The edges of ply fixed on charpoy shall be made half round. (e) The entire GI pipe frame shall be painted with two coats of aluminium paint (1st grade) over a coat of redoxide metal primer.

S&F in replacement 12mm thick 7 ply of BWR exterior grade of size 1980mm x 900mm (approximate) to frame with flat head MS nut and bolt (Total 13 Nos per charpoy) after drilling hole in ply and frame of charpoy, moulding the corners of ply top to curve and painting the entire frame of charpoy with two coats of aluminum paint (1st grade) over a coat of redoxide metal primer complete all as specified in the drg and as directed by Engineer-in-Charge. Drawing No. FD-220.

M&L for removal of old broken GI check nut of 32mm dia and supply and fixing of new GI check nut of same size in position and also tightening of all components (complete Charpoy) complete all as specified and directed.

S&F of GI elbow of 32mm bore 3 ways (weight of elbow not less than 450 gms) in position and also tightening of all component (complete charpoy) complete all as specified and directed.

Removing of old/ broken threaded long rail from charpoy GI and supply & fix new long rail made of GI tubing 32mm bore medium grade with both ends threaded complete all as specified and directed.

Removal of old/ broken threaded short rail and fixing short rail made from old long rail obtained from item No. 5.00 above duly threaded both ends complete all as specified and directed.

Removal of old/ broken threaded leg from charpoy GI and fixing leg fabricated out of broken long rail/ short rail obtained from item No. 5.00/ 6.00 above including provision of MS sheet cover not less than 1.25mm thick and two No. clamps welded to each leg complete all as specified and directed.

M/S Vijay Kumar Sharma (BID ID -3082878)

M/S DEV RAJ (BID ID -3072264)

Modern Enterprises (BID ID -3071673)