Nycpc Roof Drains For Set Back Roof

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Nycpc roof drains for set back roof.

The roof drain is usually set in the deck and the membrane is stretched over the entire roof. A siphonic roof drain looks much like a traditional roof drain. The best type for the application depends on several factors such as the size and slope of the roof the desired appearance and how much regular maintenance the drain system might need. Smith carefully designs and manufactures a full line of roof drains deck drains scupper drains promenade and parking area drains and more to satisfy both the artistic eye of the architect and the calculating mind of the engineer.

To select the proper roof drain the following information must be known. Other than the baffle a siphonic roof drain has the same features as a traditional roof drain including a. First and foremost be sure to comply with all local plumbing codes. P 1503 4 1 secondary emergency overflow drains or scuppers.

Epdm roofs are water proof and tend to be expensive. Roof drains for flat or low slope roofs come in a few standard types. This air baffle is engineered and tested to prevent air from entering the piping system at peak flows. The distinguishing feature of a siphonic roof drain is the air baffle.

The zurn roof drains and drain accessories represent more than 100 years of experience in supplying engineered roof drainage equipment to the construction market. Flat roof drains scuppers gutters and drainage systems on flat roofs. When selecting a roof drain note. The clamping collar secures the membrane at each drain to ensure a water tight seal.

Roof drains from zurn include combination primary overflow control flow dual outlet siphonic retrofit and more which cater from educational to commercial needs. Inner drains gutters or scuppers each have their own function and deciding which system is best depends on. An extensive green roof system installed atop the nyc department of parks and recreation s dpr five borough building on randall s island. This modular system is one of six variations installed on the roof and covers 800 square feet con sisting of two foot by two foot trays with six inches of mineral soil and over 1 500 sedum plugs.

The membrane is cut out at each drain and is secured by the drains clamping collar. 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. More attention should be given to the location of a drainage system to avoid future problems.