corrigendum - supply and installation of gas supply line with hardware for integrated thermal spray facility , miscellaneous items: , 5x2 ( two bank ) cylinders gas manifolds system for argon gas , nitrogen gas for thermal spray coating facility as per sow attached , 4x2 ( two bank ) cylinders gas manifolds system for aceytelene gas for thermal spray coating facility as per sow attached , 10x2 ( two bank ) cylinders gas manifolds system for hydrogen gas for thermal spray coating facility as per sow attached , 10x2 ( two bank ) cylinders gas manifolds system for oxgyen gas for thermal spray coating facility as per sow attached , 1 mtr long high pressure ( wp 250 bar ) ptfe ss braided hose with reverse flow protection and safety wire for thermal spray coating facility as per sow , two bank auto change over system for gas supply ( fully automatic without manual change over ) for thermal spray coating facilty as per sow , heavy duty master primary double stage regulator ( wp 310 bar flow 150-200 lpm ) to set line pressure for thermal spray coating facility as per sow , digital pressure monitoring system to indicate pressure of each bank og gas manifold and line pressure for thermal spray coating facility as per sow , 316 l stainless steel filter , out let buffer vessel with 5 mts ptfe hose to connect secondary regulator for thermal spray coating facility as per sow , out let secondary double stage gas control regulator ( wp 310 bar flow rate 150-200 lpm ) for thermal spray coating facility as per sow , 1/2 flash back gas arrester with non return valve for working pressure 25 bar for thermal spray coating facility as per sow , 25mm 316 l stainless steel electro polished seamless piping with necessary fittings supports and nylonc lamp wp 250 bar as per sow attached , gas leak detectors with control panel & air / nitrongen flodding system for hydrogen and acetylene gas for thermal spray coating facility as per sow , charge for erection testing commissioning gas manifold piping auto change system leak detector , building civil work for gas supply line as per sow