Houston plumbing questio - Study guides, Class notes & Summaries
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COSC 325 Houston (plumbing) Questions and Answers
- Exam (elaborations) • 11 pages • 2024
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COSC 325 Houston 
(plumbing) Questions 
and Answers 
Why must horizontal vents be sloped? - ANS-so water cannot 
accumulate 
Main Vent (Vent Stack) - ANS-A vertical vent pipe that provides 
air circulation to/from any part of a drainage system. Branches 
connect here. 
How far above the flood level rim of the highest fixture should a 
branch vent be? - ANS-6" 
Why are storm water and sanitary waste separated? - ANS-Rain 
water takes up large volumes and sanitary must go to a 
treatment...
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