CC-1000_2018

Soil Gas Control Systems ANSI/AARST CC-1000 2018 in New Construction of Buildings 22 Table 12.1.3 Operation and maintenance plan requirements for active ASD and/or non-ASD systems (These steps can be integrated into an overall indoor air quality plan) Controls and Mechanical System Monitors Maintenance Inspections of Controls and Monitors Frequency of Inspection Document Startup Details : A description shall be provided for the fan monitors, control settings and other operating parameters that existed at the time successful mitigation was initially achieved. The description should include explicit detail for comparison during inspections and repair, including: a) descriptions of equipment labeling and annotations for fan monitors, control settings and other operating parameters; b) exact locations of fan monitors, electronic telemetry/monitoring equipment, permanent test ports,, electrical disconnects and other components; c) instructions for equipment sufficient to interpret labels, annotations and the designed operating parameters for the equipment. When applicable, include manufacturer instructions; d) a list of appropriate actions for the Client(s) to take if fan monitor devices or other inspection procedures indicate the system(s) are not operating as designed; and e) documented measurements for balance of airflow in and airflow out of HVAC system(s) when HVAC is a component of a mitigation system. The operations, maintenance and monitoring (OM&M) manual provided shall note that routine inspections of controls and monitors are a minimum obligation and required component of a long-term risk management plan. The following inspections shall be written into the OM&M plan as required actions: a) inspection of fan monitors, control settings and other operating parameters to ensure the system(s) are operating as designed; b) investigation and correction of any conditions that indicate component failure or inconsistencies with designed operating parameters for the system(s); c) maintenance of records assimilated into the overall building OM&M documentation; and The plan shall stipulate that a qualified professional should perform these inspections and if performed by in house maintenance staff such staff shall be trained in system operations. The plan shall stipulate recommendations and any requirements for the frequency of inspections of controls and monitors, as deemed appropriate to the situation. It is recommended that the plan stipulate inspections be conducted at least quarterly of all fan monitors, controls and, as applicable, filters and vent openings. The plan should also recommend inspections of mechanical equipment in addition to controls and monitors subsequent to a motor replacement or any catastrophic event that could damage system components. Mechanical Equipment Mechanical Equipment Inspections Frequency of Inspection Include Equipment Details and Instructions: a) Include manufacturer instructions and instructions specific to design configurations, as appropriate; b) Documentation should include exact locations of fans, electrical disconnects and other components; and c) Include a list of appropriate actions for the Client(s) to take if the fan monitor warning device indicates system degradation or failure. A list of potential repair items for ASD systems should include: i. fan monitor repair or replacement (e.g., reconnect or replace oil in U-tube); ii. electrical repair; iii. fan or boot replacement; and iv. sealing of foundation openings to soil or piping connections. The OM&M plan provided shall observe that mechanical equipment inspections should include all seals, straps, fasteners, electrical system (including switch operation), boots, performance indicators, labels, pipe condition, filters, inlet grills and fan operation. If applicable, airflow in and airflow out of HVAC system(s) and duct balance should be checked to ensure that no significant changes have occurred. Examples of HVAC inspection items: i. functionality of HVAC filters; ii. room differential pressure test; iii. fresh-air damper settings; and iv. verification for supply air into rooms of interest. It is often customary that recommendations include inspection of mechanical equipment by a qualified professional no less than every 2 years.