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All Types of NYC House Sewer Connections

All Types of NYC House Sewer Connections

There are several types of sewer connections when connecting a new house to the city sewer in NYC.:

• Manhole connection• Spur Connection• Curb Connection• Fold in sewer connection• Drill in connection• Riser Connection

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The most common connection is the “spur connection”

however; it is possible that your building plans may call for another type of connection due to the details of your location and project. 

Read on to find out more about each connection

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Manhole Connection

This is the least common sewer connection.

It is usually required for a larger house sewer or due to the layout of the house and city sewer.

EX: if the city sewer stops  short and did not extend in front of the house, the city may require the connection at the DEP manhole

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Spur Connection

This is the most common type of sewer connection for a house in NYC.

This type of connection is most cost effective as it requires less time and labor to connect than most other types of connections

The spur is shaped very similar to a Y

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Curb Connection

This is most commonly found when a new city sewer is installed in the roadway.

A curb connection requires minimal work in the roadway, if any at all. 

A curb connection makes a house sewer installation or repair less labor intensive and less costly.

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Fold In Sewer Connection

Is needed if the city sewer does not have an existing spur and the size of the city sewer is smaller than currently used.

The process includes removing several sections of the city sewer and folding in new sections of pipe including a “Y” as mentioned above.

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Drill In Connection

This is used when a new connection is required into the city sewer and there is no pre-existing connection to be used. 

Completed with a core drill machine which is used to carefully drill a hole in the city sewer after the sewer is encased in concrete.

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Riser ConnectionThis is a pipe that sits perpendicular on the city sewer and is used as a connection for a house sewer to the city sewer.Likely to be used when the city sewer is deeper than 13’ below ground level however; this is not case 100% of the time.  Most commonly used when there is a substantial difference in elevation from the house trap where the sewer exits the house, to the city sewer leaving much greater pitch then allowed as per DEP plumbing code.Would also be used if there were underground conditions such as ground water or large amounts of rock which would make the house sewer connection more timely, costly  and challenging to install.Harriswatermainandsewers.com

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