1.1 NHC 320 Chestnut 3rd upfit: Work includes the interior office upfit of approximately 2500 sq. ft. and associated plumbing, mechanical, electrical, and fire protection system work as outlined in the attached drawings and specifications. Office upfit includes selective demolition, light gauge stud partitions and gypsum wall board, porcelain tile and carpet tile flooring, resilient wall base, interior painting, acoustic tile ceilings, interior aluminum storefront windows and door frames, flush wood doors, and architectural wood casework with solid surface countertops. 1.2 NHC 320 Chestnut 1st , 3rd and 5th floor mechanical replacement Work also includes replacement of the existing HVAC system for the entire 3rd floor. Scope includes replacement of rooftop units serving 3rd floor. Major additional alternates include 1st and 5 th floor HVAC system replacement 1.3 NHC 320 Chestnut 1st, 3rd and 5th floor occupancy and public travel Existing 1 st, 3rd and 5th floors are and will be partially occupied. Upfit work will be adjacent to occupied and public access spaces. Construction activity should be limited to workspaces to minimize disruption of occupants. Employee occupants will be relocated during replacement of HVAC system, but some furniture and equipment may remain in the space. Limited Public access in adjacent spaces will require travel ways and safety exits to be maintained clear. Contractor to coordinate with Owner to schedule HVAC and upfit work