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Civil Engineering/Water Main Crossing Sewer Line
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Question
Why is it accepted practice to allow a sewer main to cross a water main within 18-inchs vertically when it is unacceptable to have the two lines less than 10 feet apart horizontally?
The 10 foot separation is for construction purposes on parallel lines. The 18 in separation on crossing lines is for construction ,maintenance and functionality. A water line will vibrate when carrying a load which cause the sewer line to separate.
I hope this helps if you need anymore information ask.
Bryan Lindsey
www.seengineering.com
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Answers by Expert:
Bryan P. Lindsey, P.E.
Expertise
I am an expert in Civil Engineering with a degree form the Georgia Institute of Technology with 12 years experience in the following fields of Civil engineering; Transportation, General civil, Civil site design, drainage, project management and many others.
Experience
I have 12 years experience in multiple fields of civil engineering. I spent the first four years of my career in the transportation industry by being a design engineer for prominent transpotation firm in Atlanta. I moved from there to civil site design and worked as a project manager for the next six years and currently I am the Director of Transportation for same firm.
Organizations
Member of American Society of Highway Engineers (ASHE), Institute of Transportation Engineers (ITE), American Society of Civil Engineers (ASCE)
Education/Credentials
Bachelors of Civil Engineering from the Georgia Institute of Technology in 1996.
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