In the on-going work, a chamber block in cast iron plant has been underneath Neath consideration for its accessibility and streamlining. The objective of the current paper is to advance info factors of the chamber block in cast iron plant, to augment structure accessibility. Project iron plant incorporates chiefly, five subsystems connected in series setup. For examination, Repair and disappointment rates, and Transition paces of each and every subsystem is taken from upkeep record sheets. Consistent state accessibility is accomplished by consuming normalizing condition. The advancement of structure accessibility is performed by GA