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Salina board adopts amendment to 2018 Uniform Plumbing Code to limit straight 90-degree fittings in building sewers
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Summary
The Salina Building Advisory Board approved an amendment to Section 7.18 of the 2018 Uniform Plumbing Code to require that changes of direction in building sewers follow the same approved fitting and sweep requirements applied to drainage systems, a change staff said will reduce blockages and service calls.
The Salina Building Advisory Board voted to add change-of-direction requirements to Part 2 (building sewers) of the 2018 Uniform Plumbing Code during its annual business meeting.
City building services staff told the board that straight 90-degree fittings in building sewer runs have caused recurring blockages and that snake tools used to clear clogs “cannot easily pass through a straight 90 fitting and become stuck or fail to clear the blockage.” The proposed text moves change-of-direction requirements into section 7.18.4 so that building sewers follow the same approved fittings and sweep standards already used for drainage systems in Part 1.
Board members asked whether the amendment would remove existing slope exceptions for larger-diameter pipe. Staff clarified that slope exceptions tied to pipe size (for example, allowances for 4- and 6-inch pipe) are not being removed; the amendment addresses only change-of-direction language in the building sewer section, staff said.
The board voted by voice to adopt the amendment; the motion carried.
What changed: The amendment cites that all changes of direction in building sewers shall be made in accordance with the referenced provisions of the Uniform Plumbing Code (7.06.1 through 7.06.4), aligning Part 2 with Part 1 language on approved fittings and sweep fittings.
Why it matters: Staff said the clarification will standardize installation practices from the last interior fixture to the street main and is intended to reduce service calls, ease maintenance, and limit situations where clearance tools are damaged or trapped.
Next steps: The approved amendment will be included in draft ordinance language that city staff will forward to legal counsel and that the board will review again in its draft-ordinance package forwarded to the City Commission later in the code-adoption schedule.
