tender for open tender enquiry for design, engineering, manufacturing, inspection, supply, erection, testing, commissioning & performance trial of steam coil air preheater (scaph) to hbl sugauli plant, 845456. , design, engineering ,manufacturing, inspection, supply, transportation, unloading, erection, testing, commissioning & performance trial of steam coil air preheater (scaph) to hbl sugauli plant as per below technical specifications: type of schaph : finned tubes, air flow: horizontal hydraulic test pressure: 3.75 kg/cm2, heat transfer area: 632 m2 air flow at mcr: 158861 kgs/hr, air flow at peak up: 174748 kgs/hr steam pressure : 2.5 kg/cm2 (a) steam consumption : 3.473 ton/hr ( at mcr) steam consumption : 3.821 ton/hr (at peak up) overall scaph size: 3674 mm wide x 3940 height x 300 depth tubes: moc: carbon steel (bs3059-1987 cew-320) nos. of tubes : 320 tube size: 19.05 od x 3310 lg x 14 swg fins: moc: m.s. fins (is. 513 d/dd cr2/cr3 2008) nos. of fins: 123895 size: 38 mm wide x76 mm lg x28 swg header: moc: sa106 gr. b sch-40 please refer to the work scope mentioned in the special terms & conditions for details.