CC-1000_2018

Soil Gas Control Systems ANSI/AARST CC-1000 2018 in New Construction of Buildings 16 8.9.2 Fan service access (attics) A space having a vertical height of not less than 48 inches (122 cm) and a diameter of not less than 21 inches (53 cm) shall be provided where the ASD fan will be installed if required. The ASD pipe shall be centered in this space. The exhaust pipe at this location shall be labeled or marked with the words such as “ radon fan location,” or “ soil gas fan location.” 8.9.2.1 Attic access Service access shall be provided for each attic ASD fan location to allow installation of ASD fans and replacement of same. The service access entry shall be located not greater than 20 feet (6 m) from the ASD fan location unless access meeting Section 306.3 of the International Mechanical Code 12 is provided. 8.9.3 Fan mounting and activation ASD fans shall not be mounted to exhaust piping that connects to soil gas unless they can be electrically energized within 3 days. 8.9.4 Electrical Conductors from a dedicated breaker shall be provided within 6 feet (1.8 m) of ASD fan locations to supply a boxed outlet. The boxed outlet shall be labeled or marked with the words “ radon fan,” “ soil gas fan” or similar wording. The breaker shall provide continuous service when activated and shall not be joined to mechanical or automated systems that could deactivate the breaker. 8.9.4.1 Collateral mitigation (electrical) When a single mitigation system is designed to satisfy mitigation needs in more than one unit, dwelling or area within a shared building, power provided to the system shall be from a source that is electrically metered independent from individual units unless the meter is common to all units, dwellings or areas. 8.9.4.2 Label the breaker The receptacle and the over-current device for the branch circuit that would supply the ASD fan shall be labeled or marked with the words “ radon fan,” “ soil gas fan” or similar wording. 8.9.5 Provision for ASD fan monitor(s) Fan monitor (e.g., pressure gauge) locations shall be designated and labeled during construction in accordance with Section 10.3.1 , as applicable, unless the system is designed to be remotely monitored. Fan monitor locations shall be readily accessible for occupants or building staff to view or inspect the fan monitor(s): a) in locations frequently visited by building staff; or 12 As point of reference for required service access in attics, see the International Mechanical Code (IMC) Section 306.3 (as published by the International Code Council). b) in locations frequently visited by occupants when an individual soil gas vent system is designed to satisfy the mitigation needs of only one unit, dwelling or area within a shared building; or c) in locations that are accessible and visible or audible for all occupants of the building; or d) in no less than two areas divided for separate occupancy use when an individual soil gas vent system is designed to satisfy mitigation needs in more than one unit, dwelling or area within a shared building. 8.9.5.1 Physical access to fan monitors When exhaust piping at the designated location for a fan monitor is to be enclosed, access panels shall be provided to allow physical access to the monitor. The access panels shall meet applicable fire-rating requirements. 8.9.5.2 Remotely located fan pressure monitors When the designated location for a fan pressure monitor does not immediately adjoin exhaust piping , rigid tubing shall be provided between the exhaust piping and the inlet hose of the pressure monitor. 8.9.5.3 Labeling required The exhaust pipe at the designated location for each fan monitor shall be labeled or marked to include the words “This location reserved for a fan monitor should a soil gas fan be installed,” or equivalent wording. Related components, such as access panels and exposed remote monitor tubing, shall be labeled or marked to identify that the item is a component of a radon or soil gas vent system. 8.10 Labels required for exhaust vent piping 8.10.1 Exhaust vent piping shall be labeled or marked on each floor level of the building and within each room or accessible service area that exhaust piping traverses. 8.10.2 The label or marking shall identify that the item is a component of a radon or soil gas vent system. 8.10.3 The labels or marking shall be at intervals not greater than 20 feet [6 m] along the developed length of exhaust piping . 8.10.4 Label or marking locations on exhaust piping that are exposed and not enclosed behind walls shall be plainly visible to approaching service personnel.