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DocuSign Envelope ID: B94F2D40-3B3C-47A7-86C2-6F1 B4F92C62C <br /> Orange County Emergency Services Building Construction Documents <br /> L. Collect debris removed during cleaning; ensure that debris is not dispersed outside the HVAC <br /> system during the cleaning process. <br /> M. Store contaminated tools and equipment in polyethylene bags until cleaned in the designated <br /> decontamination area. <br /> N. Controlling Odors: Measures shall be employed to control odors and/or mist vapors during the <br /> cleaning process. <br /> 3.05 REPAIR <br /> A. Repair openings cut in the ventilation system so that they do not significantly alter the airflow or <br /> adversely impact the facility's indoor air quality. <br /> B. At insulated ducts and components, accomplish repairs in such a manner as to achieve the <br /> equivalent thermal value. <br /> C. Reseal new openings in accordance with NADCA Standard 05. <br /> D. Reseal rigid fiber glass duct systems using closure techniques that comply with UL 181 or UL <br /> 181A. <br /> E. When new openings are intended to be capable of being re-opened in the future, clearly mark them <br /> and report their locations to Owner in project report documents. <br /> 3.06 FIELD QUALITY CONTROL <br /> A. Ensure that the following field quality control activities are completed prior to application of any <br /> treatments or coatings and prior to returning HVAC system to normal operation. <br /> B. Visually inspect all portions of the cleaned components; if not visibly clean as defined in NADCA <br /> ACR, re-clean and reinspect. <br /> C. Coils: Cleaning must restore the coil pressure drop to within 10 percent of the coil's original <br /> installed pressure drop; if original pressure drop is not known, coil will be considered clean if free of <br /> foreign matter and chemical residue based on visual inspection. <br /> D. Notify Architect/Engineer when cleaned components are ready for inspection. <br /> E. Owner reserves the right to verify cleanliness using NADCA ACR Surface Comparison Testing or <br /> NADCA Vacuum Test. <br /> F. When directed, re-clean components until they pass. <br /> G. Submit evidence that all portions of the system required to be cleaned have been cleaned <br /> satisfactorily. <br /> 3.07 ANTI-MICROBIAL TREATMENT <br /> A. When directed, apply anti-microbial treatment to internal surfaces. <br /> B. Apply anti-microbial agent after removal of surface deposits and debris. <br /> C. Apply anti-microbial treatments and coatings in strict accordance with the manufacturer's written <br /> recommendations and EPA registration listing. <br /> D. Spray coatings directly onto interior ductwork surfaces; do not"fog" into air stream. A continuous <br /> film must be achieved on the surface to be treated by the coating application. Application of any <br /> biocide coatings shall be in strict accordance with manufacturer's minimum millage surface <br /> application rate standards for effectiveness. <br /> 3.08 ADJUSTING <br /> A. After satisfactory completion of field quality control activities, restore adjustable devices to original <br /> settings, including, but not limited to, dampers, air directional devices, valves, fuses, and circuit <br /> breakers. <br /> 3.09 WASTE MANAGEMENT <br /> A. Double-bag waste and debris in 6 mil, 0.006 inch thick polyethylene plastic bags. <br /> B. Dispose of debris off-site in accordance with applicable federal, state and local requirements. <br /> END OF SECTION 23 01 30.51 <br /> PDC Project 18102 HVAC AIR-DISTRIBUTION 23 01 30.51 - 5 <br /> 12/17/2018 SYSTEM CLEANING <br />