tender for mechanical fabrication and erection work in pprdf ; 1 fabrication and erection of carbon steel structures like isa, ismb, ismc, plates etc. including gas cutting, grinding and welding 2 01. a ) . fabrication @ 4900 kgs fabrication work for dm plant shed as per drawing no: 99519-10243 3 01. b ) . erection @ 4900 kgs fabrication work for dm plant shed as per drawing no: 99519-10243 4 fabrication and erection of carbon steel pipes ( 25 nb seam ) handrail ( including handling, gas cutting, grinding and welding ) . welding equipmet and consumables including electrode / filer wire are the scope of contractor. process : root & final pass arc welding, dpt – edge, root and final pass 5 carbon steel pipe welding ( sch 40 and various schedule seamless pipe handling cutting, edge preparation, fit-up and welding ) process : root & final pass arc welding, dpt – edge, root and final pass 6 3.a ) fillet weld 7 3.b ) butt weld without rt 8 bending of carbon steel and stainless steel pipe ( sch.40 seamless ) 9 4.a ) 6 to 25 nb 10 4.b ) 25 to 50 nb 11 drilling work for various thick plates 12 5.a ) upto 6 mm thick 13 5.b ) above 6 mm thick 14 drilling and tapping work for various thick plates 15 6.a ) upto 6 mm thick 16 6.b ) above 6 mm and less than 20 mm thick 17 stainless steel pipe welding ( sch 10 and various schedule seamless pipe handling, pickling, cutting, edge preparation, fit-up and welding ) process : root & final pass arc welding, dpt – edge, root and final pass 18 7.a ) fillet weld 19 7.b ) butt weld without rt 20 dismantling of steel structure, plates and pipes etc. ( cutting, grinding and safe handling ) 21 painting of carbon steel structures, handrails and pipe supports with one coat of red oxide and two coats of enamel. all consumables shall be in the scope of sontractor ) 22 profile machining ( shaping, milling and boring ) 23 supply of structural items 24 ismc 150 channel 25 ismc 75 channel 26 ismc 125x65 channel 27 square tube 125x125x6 mm 28 plate 300x300x10 mm 29 anchor fastenersm16 30 supply of 0.47 mm thick, blue colour coated, corrugugated zincalume roofing sheet.