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P-1006.4 Combined Drainage Piping
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The size of the combined house drain shall be obtained from Table P-1006.1, by adding to the square feet of storm water drainage area an allowance for each fixture unit on the house drain. This allowance shall be in square feet, as determined in accordance with Table P-1006.4.
|Square Feet||Fixture Units|
|7 for each of the first||1,500|
|5 for each of the next||1,500|
|4 for each of the next||2,000|
|3 for each unit thereafter|
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