SGM-SF_2017with 12/20 Revisions

All Systems (revised 12/20) 34 ANSI/AARST SGM-SF 2017 (with 1220 revisions) Soil Gas Mitigation Standards for Existing Homes 2. Instructions, such as “Keep closed. Leaving open can negatively impact building safety” or similar instructional wording; and 3. Essential health and safety guidance where there are known health and safety hazards, such as a. “Warning—Entry into this airspace can be hazardous. Precautions to ventilate this area are recommended”; and b. Applicable descriptions of recommended personal safety procedures, such as the possible need for protective gloves, clothing, respirators or other personal safety equipment. 8.5 Inspection for Compliance Prior to delivery and release of the completed system(s) for use, a qualified radon mitigation professional or qualified soil gas mitigation professional , as applicable, shall have verified: a) compliance with this standard; b) conformance with the intended design criteria; and c) compliance with local statutes and codes, including for related work conducted by other qualified professionals, as applicable and to the extent practicable. Any items found to not be in compliance with this standard and local statutes or codes shall be changed to be in compliance. Exceptions: Professional obligations to identify and correct items that are noncompliant with this standard of practice or local statutes or codes shall have limits in accordance with Section 8.5.1 . 8.5.1 Limitations of professional obligations Contractor obligations regarding inspection for compliance shall be limited to visual inspection and photographic evidence of readily accessible components that do not require disassembly of components or finishings to achieve access. Limits to a contractor’s obligations shall include: a) Contractors shall not be obligated to meet a minimum requirement in this standard of practice where the requirement is found to be in violation of local statutes or codes; and b) Contractors shall not be obligated to have identified all items that may be noncompliant with local statutes or codes due to: 1. inherent limits of a visual inspection. 2. existence of conditions of that are outside the scope of work and skill sets normally associated with soil gas mitigation , such as preexisting conditions of mechanical or electrical systems. 3. reliance on superior capabilities reasonably expected from contracted specialists for knowledge of statute and code compliance; or 4. deviations or interpretations of a local jurisdiction that may subjectively or factually conflict with national or regional trends in code and code interpretation. 8.5.2 Review With Clients Informative advisory —After installation(s), it is recommended that the contractor provide an educational review of the mitigation system(s) to the client . The review should include operating principles of the system(s), operation and maintenance of the systems(s) and all other components of the OM&M plan . 8.6 Retention of Records Records of all mitigation work performed shall be kept for no less than: 6 years, as long as state regulations require, or for the period of any warranty, whichever is longest. Health and safety records including mitigation Installer radon exposure logs, as applicable, and other appropriate medical monitoring records shall be maintained for as long as required by state or federal statutes. Informative advisory —Health and safety records should be maintained for a minimum of 20 years.