(ST ALPHONSUS-ORTHOPAEDIC OPERATING ROOM'S #7 & #8, HVAC LAMINAR FLOW MODIFICATION -1ST FLR) To modify the HVAC diffusers in two existing operating rooms. To perform selective demolition of portions of existing ceiling system, lighting & ducting. To install new premanufactured re-circulating grille set to wash the surgical site with HEPPA filtered clean air; to reduce number and relocate surgical light fixture with added new support beam; to reinstall existing general light fixture's, suspended ceiling drywall support system and speakers. To install temporary partion to secure against dust from remodel contaminating other areas still in use, while maintaining the required exit systemat all times for emergency use. All per approved plans, notes thereon and attached paln review conditions and comments of all reviewing agencies. A "Letter of Compliance" is required for final approval of this project as evidence of having received required inspections and PC04-022/drs