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Pipelines are usually laid to follow the terrain. Odor release and/or water hammer might occur, and these possibilities must be taken into consideration at the planning stage.
| A minimum velocity of 0.7 m/s is required in order to prevent sedimentation and settling out of solids. | | | | | Velocities below 0.7 m/s may be acceptable for certain operation conditions provided that the velocity exceeds 0.7 m/s at least once a day. | | | | | As gas may form within the system, wastewater should not be retained within the pipe system for more than 8 hours; sometimes local regulations and conditions requires even shorter times. | | | | | If a malfunction occurs at the collecting chamber, a high-liquid-level alarm should be activated. If the available storage volume of the chamber is not large enough, it must still be protected from overflow.
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Engineering
