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Parent Category: Code Tech Database
Category: Drainage

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Question: 05-26 Code Section: 7 Date: OBC 2006 Reference:

Question: What size is the horizontal branch supposed to be where the force main connects to the horizontal drain (ie. at point A)?

Interpretation: (On. Reg. 403/97) The size of the line is dependent on the FU load converted to GPM and the ejector GPM load as well. Without all of the information supplied, a complete answer could not be provided. Once this information is known, 7.4.10.3.(3) and 7.4.10.4.(1) must be reviewed and the size calculated using Tables 7.4.10.3(b) and 7.4.10.3(c).