Patent ID: 7966727

Claim:
An installation construction method for boiler facilities in which said boiler facilities comprise: a boiler building configured of a steel structure; a boiler main unit to be installed within said boiler building; equipment to be installed to said boiler main unit; and accessory members which are accessory thereto; wherein the installation construction method comprises the acts of: (a) assembling a predetermined number of first-level steel columns and disposing a first floor unit between said first-level steel columns; (b) carrying in above said first floor unit and installing equipment and accessory members to be installed above said first floor unit; (c) assembling second-level steel columns upon the first-level steel columns and disposing a second floor unit between said second-level steel columns; (d) carrying in above said second floor unit and installing equipment and accessory members to be installed on said second floor unit; (e) repeating steps (a)-(d) for any additional levels such that assembly of said boiler building and carrying in and installation of said equipment and accessory members are performed in parallel; and (f) disposing top girders between top level steel columns, from which top girders said boiler main unit is suspended.