RMS-LB 2018 with 12/20 Revisions

1 ANSI/AARST RMS-LB 2018 (with 1220 revisions) Radon Mitigation Standards for Schools and Large Buildings RMS-LB 2018 (with 12/20 revisions) Radon Mitigation Standards for Schools and Large Buildings Note—12/20 revisions (Sections 1 -5 do NOT contain changed requirements) 1.0 SCOPE 1.1 This standard specifies practices, minimum requirements and general guidance for mitigation of radon in existing low-rise and high-rise schools and large buildings. This standard addresses a wide range of schools and large buildings including, among others, the use of a building or structure, or a portion thereof for: a) Business occupancies (Group B 6 ) including for offices, educational and training facilities, professional services or service-type transactions; and b) Educational occupancies (Group E) including for religious and educational purposes through the 12th grade and day care facilities; and c) Multi-use buildings or structures that are divided into any combination of occupancies including educational, commercial or residential 7 within Multi-use buildings or occupancies. 1.1.1 The scope of this standard includes: a) Techniques that are applicable to whole building considerations yet also apply when implemented to portions of a building or individual occupied spaces; and b) Practices that are applicable to structures or a portion thereof be they rented, leased or owned including co-op owned buildings. 1.1.2 The scope of this standard also includes: Assembly occupancies (Group A) including for the gathering of persons for purposes such as civic, social or religious functions; Factory occupancies (Group F) including for fabrication or manufacturing, repair or processing; High-hazard occupancies (Group H); Institutional occupancies (Group I) including for where people are cared for or live in a supervised environment be it under restraint or security, detained in a penal institution, or for medical, surgical, psychiatric, nursing, custodial care or for child care facility purposes; and, Mercantile occupancies (Group M) including for the sale of merchandise, goods, wares or merchandise incidental to such purposes and accessible to the public. 1.2 Limitations 1.2.1 Water and building materials This standard does not address all mitigation techniques such as may be needed for airborne radon that results from radon in water, building materials or other less common sources of radon gas. 1.2.2 Mitigation of other soil gasses When applying radon mitigation techniques herein for other hazardous soil gasses such as for chemical vapor intrusion into buildings. Applicable requirements are found in ANSI/AARST SGM-SF “Soil Gas Mitigation for Existing Homes ” to include Section 11 (Health and Safety) and Section 13 (Additional Requirements). 1.2.3 Jurisdictional compliance This standard does not contain all code or other requirements of the jurisdictions where the radon mitigation system is being installed. Although the provisions in this standard have been reviewed for potential conflicts with other regulatory requirements, adherence to this standard does not guarantee or supersede compliance with the applicable codes or regulations of any federal, state or local agency with jurisdiction. 6 As point of reference, see the International Building Code (IBC) (as published by the International Code Council). 7 For residential dwellings, see ANSI/AARST RMS-MF "Radon Mitigation Standards for Multifamily Buildings".