Once the owner became aware of a device called a knife edged sewer flood gate valve they contacted joseph l.
Floor sinkdoh pipe backflow nyc.
Water service piping shall be protected in accordance with sections 603 2 and 603 2 1.
A plumbing floor plan plan view or partial floor plan indicating water services name and address of facility water meter layout proposed backflow preventer s booster pump system floor drain s and all nearby objects examples.
2015 international plumbing code amended backflow cross connection control requirements.
It is a 6 page new section covering fixture calculations various occupancy types a new table of required fixtures and a new table covering the minimum number of required fixtures.
1829 mm above the floor.
A sewer backflow valve can prevent waste water backups particularly from a public sewer.
It is similar to a floor drain as it is installed flush with the floor but has a much larger chamber to receive the indirect wastes and does have a strainer as called for in the plumbing code in addition to the grate.
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The item in the picture to the right is referred to as a floor sink.
Floor sink as a waste receptor.
The uniform plumbing code states in section 603 4 8 drain lines.
Nyc chapter of the american society of sanitary engineers p o.
A licensed plumber or engineer can advise a building owner on whether or not they have cross connection.
Box 20111 greeley square sta ny 10001.
A property owner must install an approved backflow prevention device on every water service pipe that has a connection between the drinking water supply and a potential source of contamination such as a business process or equipment that could potentially contaminate the water supply.
Sewer backflow is a term used in plumbing for unexpected and unwanted flow of water in reverse direction.
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But before we get into the details and benefits of a sewer backwater valve let s explain what backwater is.
Box 293 grand central sta ny 10163.
Electrical panels boilers chillers storage tanks fire pumps fire sprinkler risers etc.
American institute of architects aia aia ny chapter center for architecture 536.
608 4 water service piping containment to protect potable water supplies.
Nyc chapter of the american society of plumbing engineers p o.
For some backflow protection installations a drain may be required.