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เอกสารมาตรฐาน
สหรัฐอเมริกา
ASTM
F3097-22
Standard Practice for Installation of an Outside Sewer Service Cleanout through a Minimally Invasive Small Bore Vacuum Excavation and Same Day Restoration
2022
4
ASTM Vol.08.05 (2023)
This practice covers (i) installation methods, test methods, and required materials for the installation of a sewer service clean out, by means of a small vacuum excavated borehole, and (ii) same-day site restoration. The utilization of this practice greatly reduces disruption and greatly improves safety for to residents, business owners, and the public. Units—The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard. This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.