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Implementing New Design Standards and Field Measurements of Air Jumper Design

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Orange County Sanitation District (OCSD) conducted field investigations due to odor complaints from the public in the vicinity of 16 sewer siphons. Based on air flow rate and pressure or vacuum measurements at those siphons, a new sewer air jumper sizing design standard was developed to transport foul headspace air from the upstream side of hydraulic blockage, caused by the inverted sewer siphons, to the downstream side. Air jumpers designed according to this standard prevent upstream headspace pressurization that would otherwise cause odorous foul air emission. This paper presents this newly developed standard for air jumper design, unique design elements for this project's air jumpers, and the results of field measurements made at the newly constructed air jumpers to determine the adequacy of this new air jumper design standard.
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Document Type: Research Article

Publication date: 2008-01-01

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