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DocuSign Envelope ID: B94F2D40-3B3C-47A7-86C2-6F1 B4F92C62C <br /> C. Vacuum Devices That Exhaust Air Outside Building, Including Truck-and Trailer-Mounted Types: <br /> Equipped with particulate collection including adequate filtration to contain debris removed from the <br /> HVAC system; exhausted in manner that prevents contaminant re-entry to building; compliant with <br /> applicable regulations as to outdoor environmental contamination. <br /> 2.02 REPLACEMENT PRODUCTS <br /> A. Fibrous Glass Insulation: Provide material complying with UL 181 equivalent to existing material in <br /> quality and thickness. <br /> 2.03 SURFACE TREATMENTS <br /> A. Anti-Microbial Materials: EPA registered specifically for use on non-porous HVAC system surfaces <br /> and applied per manufacturer's instructions. <br /> B. Surface Coating for Fibrous Glass Materials: Water-based, zero VOC; flame spread index less <br /> than 25, smoke developed index less than 450, when tested in accordance with ASTM E84. <br /> PART 3 EXECUTION <br /> 3.01 PROJECT CONDITIONS <br /> A. Comply with applicable federal, state, and local requirements. <br /> B. Review the Remediation protocol contained in the Construction Documents. <br /> C. Coordinate with the Remediation Contractor, Mechanical Contractor, and Owner. <br /> D. Perform cleaning, inspection, and remediation in accordance with the recommendations of NADCA <br /> "Assessment, Cleaning and Restoration of HVAC Systems" (ACR) and as specified herein. <br /> E. Where NADCA ACR uses the terms "recommended", "highly recommended", or"ideally" in regard <br /> to a certain procedure or activity, do that unless it is clearly inapplicable to the project. <br /> F. Take precautions to prevent introduction of additional hazards into occupied spaces. <br /> G. Obtain Owner's approval of proposed temporary locations for large equipment. <br /> H. Designate a decontamination area and obtain Owner's approval. <br /> I. When portions of the facility are to remain occupied or in operation during cleaning activities, <br /> provide adequate controls or containment to prevent access to spaces being cleaned by <br /> unauthorized persons and provide detailed instructions to Owner as to these controls or <br /> containment. <br /> J. If unforeseen mold or other biological contamination is encountered, notify Architect immediately, <br /> identifying areas affected and extent and type of contamination. <br /> 3.02 EXAMINATION <br /> A. Prior to the commencement of any cleaning work, prepare and submit to Architect a project <br /> evaluation and plan for this project, including considerations recommended in NADCA ACR. <br /> B. Inspect the system as required to determine appropriate methods, tools, equipment, and <br /> protection. <br /> C. Start of cleaning work constitutes acceptance of existing conditions. <br /> D. When concealed spaces are later made accessible, examine and document interior conditions <br /> prior to beginning cleaning. <br /> E. Document all instances of mold growth, rodent droppings, other biological hazards, and damaged <br /> system components. <br /> 3.03 PREPARATION <br /> A. HVAC System Component Inspections: Prior to the commencement of any cleaning work, the <br /> HVAC system cleaning contractor shall perform a visual inspection of the HVAC system to <br /> determine appropriate methods, tools, and equipment required to satisfactorily complete this <br /> project. The cleanliness inspection should include air handling units and representative areas of the <br /> HVAC system components and ductwork. In HVAC systems that include multiple air handling <br /> units, a representative sample of the units should be inspected. <br />