fabrication piping product requirements (main rs) for the year 2023-24 with free issue of bhel material through osb model , non ibr -puddle flange (inclusive of plate rolling,welding of pad plate and flange) , non ibr -fabrication and machining of segmental flanges above nb 1000- nb 2000 - nibr , non ibr -fabrication and machining of segmental flanges above nb 2000 up to nb 4000 - nibr , non ibr -fab. of manhole assembly -without main pipe(incl. m/c of all flanges) (cs) , non ibr -fab. of manhole assembly - with main pipe (plate formed ) & (incl. m/c of all flanges) (cs) , non ibr -fab of plate formed pipes above od 610 mm & up to od 1016 mm with and without attachments - cs - nibr - including od 610 mm , non ibr -fab of plate formed pipes above od 1016 mm & up to od 2540 mm with and without attachments - cs - nibr , non ibr -fab of plate formed pipes above od 2540 mm & up to od 4100 mm with and without attachments - cs - nibr , non ibr -fab of plate formed pipes above od 600 mm & up to od 1016 mm with and without attachments - as - nibr , non ibr -fab of plate formed pipes above od 1016 mm & up to od 2540 mm with and without attachments - as - nibr , non ibr -fab of plate formed pipes above od 2540 mm & up to od 4100 mm with and without attachments -as - nibr , non ibr -fab.of plate formed reducers (concentric/ecentric) up to 50 kg - as / cs - nibr , non ibr -fab.of plate formed reducers (concentric/ecentric) above 50 kg and up to 250 kg - as / cs - nibr , non ibr -fab.of plate formed reducers (concentric/ecentric) above 250 kg - as / cs - nibr , non ibr -plate formed reducer with both side pipe attachment (funnel) - as / cs , non ibr -plate formed reducer with both side plate formed pipe attachment (funnel) - as / cs , non ibr -fab of mitre bend / welded tee / y-piece from plate - above od 610 mm -upto od 1016 mm nibr , non ibr -fab of mitre bend / welded tee / y-piece from plate - above od 1016 mm -upto od 2540 mm nibr , non ibr -fab of mitre bend / welded tee / y-piece from plate - above od 2540 mm -upto od 4100 mm nibr , non ibr -fab of mitre bend from plate upto od 915 mm from ss inclusive of plasma cutting and passivation , dished endsmade out ofplateinclusive of welding, heat treatmentas per drawing, qp - up to od 2240 mm - nibr , dished endsmade out ofplateinclusive of welding, heat treatment as per drawing, qp - above od 2240 mm- nibr , non ibr -as / cs clamp assy wt upto 10 kg , non ibr -as / cs clamp assy wt greater than 10kg & upto 25 kg , non ibr -as / cs clamp assy wt greater than 25 & upto 50kg , non ibr -as / cs clamp assy wt greater than 50 & upto 100kg , non ibr -cs clamp assy wt above 100 kg , non ibr -trunnion clamp , non ibr -as clamp assy wt above 100 kg , non ibr -pipe clamp made out of single plate (forming and drilling only as per the drg.) / pad plate unit wt more than 100 kg , ut reference block to be made out of sa335 p91 / p92 pipe up to dia 168.3 mm up to thk 45 mm ( axial) , ut reference block to be made out of sa335 p91 / p92 pipe dia 219.1 mm and up to dia 558.9 mm up to thk 125 mm ( axial) , ut reference block to be made out of sa335 p91 / p92 pipe above dia 558.9 mm and up to dia 1220 mm up to thk 125 mm ( axial) , ut reference block to be made out of sa335 p91 / p92 pipe up to dia 168.3 mm up to thk 45 mm (circumferential) , ut reference block to be made out of sa335 p91 / p92 pipe dia 219.1 mm and up to dia 558.9 mm up to thk 125 mm ( circumferential) , ut reference block to be made out of sa335 p91 / p92 pipe above dia 558.9 mm and up to dia 1220 mm up to thk 125 mm ( circumferential) , hardness block to be made out of sa335 p91 / p92 : size : 25x50x150 , ut reference block to be made out of as/cs pipe up to dia 558.9 mm up to thk 125 mm ( axial) , ut reference block to be made out of as/cs pipe above dia 558.9 mm and up to dia 1220 mm up to thk 125 mm ( axial) , ut reference block to be made out of as/ cs pipe up to dia 558.9 mm up to thk 125 mm ( circumferential) , ut reference block to be made out of as/cs pipe above dia 558.9 mm and up to dia 1220 mm up to thk 125 mm ( circumferential) , hardness block to be made out of as/cs : size : 25x50x150 , non ibr -as / cs clamp assy wt upto 10 kg-ntpc , non ibr -as / cs clamp assy wt greater than 10kg & upto 25 kg-ntpc , non ibr -as / cs clamp assy wt greater than 25 & upto 50kg-ntpc , non ibr -as / cs clamp assy wt greater than 50 & upto 100kg-ntpc , non ibr -cs clamp assy wt above 100 kg-ntpc , non ibr -trunnion clamp-ntpc , non ibr -as clamp assy wt above 100 kg-ntpc , non ibr -pipe clamp made out of single plate (forming and drilling only as per the drg.) / pad plate unit wt more than 100 kg-ntpc => limited