1.1本规程涵盖了在最大霜渗透不超过30英寸的区域内刚性聚氯乙烯（PVC）围栏系统和围栏附件的最低要求和安装方法。（76厘米）。在所有情况下，也请参阅特定制造商的安装说明。 1.2本规程旨在指导负责或涉及刚性（PVC）围栏系统安装的人员。 1.3本规程不排除任何经证明在任何天气、土壤或霜冻条件下具有同等或更好性能的试验方法。 1.4在选择围栏类型、间距、高度和安装方法时，应考虑最终用途和适用的规范要求。 1.4.1牲畜围场围栏可能需要比周边围栏更耐用。 1.4.2住宅围栏类型不得设计用于阳台或护栏。 1.5以英寸-磅为单位的数值应视为标准值。括号中给出的值仅供参考。 本标准并非旨在解决与其使用相关的所有安全问题（如有）。本标准的用户有责任在使用前制定适当的安全和健康实践，并确定监管限制的适用性。

1.1 This practice covers the minimum requirement for and methods of installation for rigid poly(vinyl chloride) (PVC) fencing systems and fence accessories in areas where the maximum frost penetration does not exceed 30 in. (76 cm). In all cases, refer also to the specific manufacturer's instructions for installation. 1.2 This practice is intended to guide those responsible for or concerned with installation of rigid (PVC) fence systems. 1.3 This practice does not preclude any test method that is proven to give equal or better performance under any weather, soil, or frost conditions. 1.4 End-use and applicable code requirements shall be considered in the choice of fence style, spacing, height, and installation method. 1.4.1 Paddock fencing for livestock may need to be more durable than perimeter fence. 1.4.2 Residential fence styles may not be designed for balcony or guardrail use. 1.5 The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are for information only. 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 and health practices and determine the applicability of regulatory limitations prior to use.