F−rating definition

F−rating means the time period in hours that a through−penetration fire−stop system will limit the spread of flame through the penetrated assembly, including the penetrating elements, when tested in accordance with ASTM E814.
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Related to F−rating

  • Pruning means the removal, as appropriate, of not more than one-third of the live branches or limbs of a tree in accordance with Good Arboricultural Practice.

  • Developing means to engage in Development and “Developed” has a corresponding meaning.

  • Load Shedding means the systematic reduction of system demand by temporarily decreasing load in response to transmission system or area capacity shortages, system instability, or voltage control considerations under Tariff, Part II or Part III.

  • shoring means a system used to support the sides of an excavation and which is intended to prevent the cave-in or the collapse of the sides of an excavation;

  • Scavenging means the unauthorized removal of solid waste from a facility.