When they added CMP as a casing is when they lost me. That is not as strong as RCP or steel. If it is not under the track it should not be an issue. Find a contractor that has done work for CP Rail and see what they installed.
Richard A. Cornelius, P.E.
WWW.amlinereast.com
Leak seals in a parking ramp in Minneapolis is where I saw it. When you pour in real hot it soaks into all the little crevices. Works better on a hot July sunshiny day
Richard A. Cornelius, P.E.
WWW.amlinereast.com
Can "metal roof" be suspended below to catch any leakage? Steer it away from the lunch room. Make it cleanable.
Richard A. Cornelius, P.E.
WWW.amlinereast.com
The pipes only have to be far enough apart for the most incompetent repair person, now or in the future. 3 feet should be enough for PVC.
Richard A. Cornelius, P.E.
WWW.amlinereast.com
They probably have an App for that. Or get the 7th grade math book from a local school. Then retake your survey course.
Richard A. Cornelius, P.E.
WWW.amlinereast.com
Freeze-thaw is starting to unravel the the road. At a minimum, mill a 3 foot section on the CL , overlay that, then the entire road.
Richard A. Cornelius, P.E.
WWW.amlinereast.com
When you build a space more that 5 feet high, someone will use it for storage. They will put all the paper files generated in the office up there. File cabinets are very heavy 10 - 20 reams of paper per file drawer, 4 drawers per file, 4-5 square feet per file cabinet. 50 psf would not be a...
Cut up a catch basin grate and lay it over the inlet pipe. That should cut the flow. Cheap, simple. Save the other pieces. You may need them.
Richard A. Cornelius, P.E.
WWW.amlinereast.com
Call some local lining contractors. there are liners out there that will hold 100 psi. I know. I have been designing them for 20 years now. And there are new products out every couple years. We are are not allowed to sell our products here or I would be all over it.
Richard A. Cornelius, P.E...
Are you laying a new pipe? If so, put it in at the flow line of existing manhole. Dropping helps get the H2S to come out of the sewage. This will corrode your manhole. Another thing is that us guys that do or did go into live manholes don't like the "Drop Manhole" idea. Have to take a shower in...
