Repairing by Welding and alignment of Broken RHS Rear A Frame leg of 24/96 BALRAM Dragline at site at Nigahi Project.

Amount

Scope of Work: 1) Fabrication platform / stand for lowering of boom , Greasing of pin & boshes bushes of mast and boon winches , removal of suspension ropes from mast , lowering of boom and placement of available stands and wooden slabs. (2) Preparation of working platform and approach to platform at broken part of A frame. 3) Cutting of broken box section of A frame by gauging and grinding ( Two Nos. on each side In and Out). 4) Fixing of Zig and Fixture at required places after cutting one side box. 5) Cutting of box section from A frame leg from old and good condition available. (7) Edge preparation of box by grinding. (8) Alignment of box at Machine. (9) Root welding, DP Test(Die Penetration Test) ( 3 times) and Final welding. (10) UT(Ultrasonic test) Test for each side of box section. (11) Welding of stiffener around the welding in A Frame (12)Fitment of suspension rope at mast and removal of stands placed under boom and revolving frame.

Cost/ charges for Greaseing of pins and bushes of mast and boom winches, removal of suspension ropes from mast, lowering of boom and placement of avalable stands and wooden slabs including labour charges contractor profit and any other misc. charges. (labour consisting of Skilled fitter, skilled welder and semi skilled Helper manpower)

Preparation of working platform and Cutting of broken box section of A frame by gauging and grinding (two nos. each side in and out) MS Angle - 50x50x6mm - 200 Kg., MS plate 3.15mm - 100 Kg., Channel 200mm x 75mm - 100 Kg., Jonting electodes 7018/7016/equv. - 40 Kg., Gousing electrode-60 kg and Industrial gases as per requirement will be provided by NCL.

Cost/ charges for Preparation of woking platform and approach to platform at broken part including labour charges, contractor profit etc. (labour consisting of Skilled fitter, skilled welder and semi skilled Helper manpower)

Cost/ charges for Cutting of broken box section of A frame (two nos. on each side in and out) by gauging and grinding including labour charges contractor profit etc. (labour consisting of Skilled welder and Skilled fitter manpower)

Fixing of Zig and Fixture at required place after cutting one side box and cutting of box section from A frame leg of old and good condition available and alignment of same- MS Angle - 50x50x6mm , MS plate 3.15mm , Channel 200mm x 75mm , Jonting electodes 7018/7016/equv. - 60 Kg., Gousing electrode - 80 Kg. as per requirement will be provided by NCL.

Cost/ charges for Fixing of Zig and Fixtur at required place after cuting one side box including labour charges, contractor profit etc. (labour consisting of Skilled fitter, skilled welder and semi skilled Helper manpower)

Cost/ charges for Cutting of box section from A frame leg of old and good condition availaable including labour charges contractor profit etc. (labour consisting of Skilled welder and Skilled fitter manpower)

Cost/ charges for Edge preparation of box by grinding including labour charges contractor profit etc. (labour consisting of Skilled Fitter and Semi- Skilled Helper manpower)

Cost/ charges for Alignment of box at Machine including labour charges contractor profit etc. (labour consisting of Skilled Fitter and Semi- Skilled Helper manpower)

Welding of Cracks after alignment of new piece :

Cost of Welding Electrode 660NH 4.0mm for welding works

Cost/ charges for Root Welding and final welding including labour charges contractor profit etc. (labour consisting of Highly Skilled supervisor, Skilled welder and Skilled fitter manpower)

Charges for DP Test 3 x 16 (3 nos. DP test at 16 nos. Joints of Box Section)

Charges for UT test at two nos weld joints of 2 nos. Box section

Welding of stiffeners aound the welding in A Frame And fitment suspension rope etc. Jointing electrode - 30 Kg. will be provided by NCL.

Cost/ charges for welding of Stiffeners around the welding in A Frame including labour charges contractor profit etc. (labour consisting of Skilled welder, Skilled fitter and semi-skilled manpower)

Cost/ charges for fitement of suspension rope at mast and removal of stands placed placed under boom and revolving frame including labour charges contractor profit etc. (labour consisting of Skilled welder, Skilled fitter and semi-skilled helper manpower)

Labour charges for Highly skilled supervisor manpoer including labour charges contractor profit etc.for supervision of complete repair work as per scope of work

Hire charges for welding machine 03 Nos. with all accessories for the above mentioned job.

Hire charges for gas cutting set 02 Nos. with all accessories for the above mentioned job.

Hire charges for Grinding machine 02 Nos. with all accessories for the above mentioned job.

Hire charges for Hand Lamp with bulbs 02 Nos. for all the above mentioned job.

Hire charges for Misc. tools and tackles like sockets, wrenchs, ratchets, hammers, die sets, Jig fixtures etc. with safety equipments for all the above mentioned job.

Hire charges for Transportation 01 No. Jeep for all the above mentioned job.

Hire charges for Grinding Stone 100 x 25mm for all the above mentioned job.

Total impact of GST for the purpose of CTC