The flexible bellows allow differential movement up to 1 2 54 cm in any direction between the roof deck roofing system and the plumbing.
Emergency overflow roof drains.
1108 1 secondary emergency overflow drains or scuppers.
Scuppers shall not have an opening dimension of less than 4 inches.
Emergency overflow roof drains.
Where roof drains are required secondary emergency overflow roof drains or scuppers shall be provided where the roof perimeter construction extends above the roof in such a manner that water will be entrapped if the primary drains allow buildup for any reason.
Roof drains watts roof drains provide flexible solutions for specifiers and installers in any commercial roof application.
Roof drainage 2016 05 11 plumbing mechanical.
Where primary and secondary roof drains are manufactured as a single assembly the inlet and outlet for each drain shall be independent.
By doni anto october 31 2016.
Article 28 09 building code rain collapse roof drainage design collapses lawriter oac roof drains jay r smith mfg co.
Our exclusive dual functional structural deck flange and combination roof drains streamline specifications saving installation time and labor.
Flex i drain is a unique roof drain system designed to connect to the building plumbing system with no hub connectors.