Specifications include, but are not limited to: A. All work shall be performed in compliance with ACR – NADCA Standard for Assessment, Cleaning, and Restoration of HVAC Systems – Latest Edition. B. Work shall consist of the following: 1. Preliminary Inspection 2. Development of written work plan for Owner approval. 3. Engineering Controls for HVAC Cleaning and Restoration Projects a. Minimum requirement shall be Level 1 containment (negative pressurization of HVAC system or area being cleaned) unless otherwise directed by Owner at during review of work plan. b. Level 2 (temporary barriers) will be required wherever work occurs on any systems serving floors, or portions of floors, that are occupied during work. 4. Cleaning and Restoration Procedures 5. Cleanliness Verification and Documentation a. Minimum requirement shall be Method 1 – Visual Inspection with Owner Approval unless otherwise directed during review of work plan.
