Renovation of existing airport including: Provide engineering evaluation and assessment of existing hanger door framing and produce reinforcement and repair details for top guide rail. Provide foundation design and drawings for new PEMB. Provide drawings and details for floor plan including approximately sixty (60) linear feet of interior partition walls. Provide engineering evaluation and analysis of existing roof system and produce design and drawings for installation of new roof covering system. Provide engineering design and drawings (including foundation design and drawings) for new exterior stairs and walk path between access ladders at lower levels.