In many jurisdictions trap seals are allowed as substitutes in retrofit situations where trap primers have failed.
Floor drain trap primer code.
An example of an emergency floor drain is one in a toilet room.
Basic principles founding of principles.
The international codes i codes are the widely accepted comprehensive set of model codes used in the us and abroad to help ensure the engineering of safe sustainable affordable and resilient structures.
Trap primers must conform to asse 1018 or asse 1044 standards asse stands for the american society of sanitary engineering.
Floor drain or similar traps directly connected to the drainage system and subject to infrequent use shall be protected with a trap seal primer except where not deemed necessary for safety or sanitation by the authority having jurisdiction.
Building codes are quickly changing across north america to allow trap seal use in lieu of trap primers.
Use o a trap primer to keep a water charge in the plumbing trap.
Trap seal primers shall be accessible for maintenance.
Barrier type floor drain trap seal protection devices.
248 cmr 10 00 is founded upon basic principles which hold that public.
Applicable and the floor drain size.
Uniform state plumbing code.
The international code council icc is a non profit organization dedicated to developing model codes and standards used in the design build and compliance process.
Carson dunlop associates sketch at above left shows how a trap primer system can be installed from a laundry tub.
Opening and closing floors or walls to replace trap primers can many times cost upwards of 1 000 each so a trap seal that.
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Uniform state plumbing code pdf 5 59 mb feedback.
Self sealing plumbing traps interceptors containing check valves are available and are suited for floor drains.
B sanitary drains storm water drains hazardous waste drainage systems dedicated systems potable and non potable water supply lines and other connections shall be subject to 248 cmr 10 00.
Product to be installed with other iapmo r t listed fittings in accordance with the manufacturer s instructions and the.
Open pdf file 5 59 mb for 248 cmr 10 00.
Installation instructions shall not state or imply that the device may be used in lieu of a trap primer.
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Download the pdf to review an unofficial copy of the massachusetts uniform plumbing code more information additional resources for review 248 cmr 10 00.
Plumbing codes require that trap primers be provided for emergency floor drains and other traps subject to evaporation.