ASTM F449 Standard Practice for Subsurface Installation of Corrugated Polyethylene Pipe for Agricultural Drainage or Water Table Control
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- Картотека зарубежных и международных стандартов
- ASTM F449 Standard Practice for Subsurface Installation of Corrugated Polyethylene Pipe for Agricultural Drainage or Water Table Control
- 23
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- Картотека зарубежных и международных стандартов
ASTM International
Standard Practice for Subsurface Installation of Corrugated Polyethylene Pipe for Agricultural Drainage or Water Table Control
N F449
Annotation
This practice is recommended for and limited to gravity flow subsurface drainage systems or water table control, but not recommended for sanitary or storm sewer applications. Procedures are outlined to minimize pipe deflection or structural damage during and after the installation process. These installation procedures are in accordance with "flexible conduit" principles.
This practice applies to all agricultural subsurface drainage or water table control installations using Specification F405, F667 or other plastic pipe.
The values stated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered 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 and health practices and determine the applicability of regulatory limitations prior to use.
Автоматический перевод:
Общепринятая практика для подземного монтажа гофрированного канала полиэтилена для сельскохозяйственного Control дренажа или горизонта грунтовых вод
Для этой практики рекомендуют и ограничивают дренажными системами недр потока силы тяжести или управлением горизонтом грунтовых вод, но не рекомендуют для приложений санитарного или ливневого коллектора. Процедуры обрисованы в общих чертах для минимизации отклонения канала или структурного повреждения в течение и после процесса установки. Эти порядки монтажа являются в соответствии с "гибким кабелепроводом" принципами.
