List of Contributions

​For a text you might try, "Hydraulic Engineering," by Roberson, Cassidy and Chaudhry. ------------------------------ Michael Buechter P.E., D.WRE, F.EWRI, M.ASCE Program Manager Metropolitan St. Louis Sewer District Webster Grvs MO ------------------------------

​Barbara, Had a co-worker once that always said, "Better to leak out than in." A good paper specific to the issue, an EPA Study can be found at: https://www.epa.gov/sites/production/files/2015-09/documents/thepotentialforhealthrisksfromintrusionofcontaminants_1.pdf Lots of other references listed ...

​Thanks everyone for the input! Based upon some of the points made we realized we may need a better understanding of exactly what is there to start with. Unfortunately we realized we have some conflicting data on what is actually there Reinforced Concrete Pressure Pipe (RCCP) or prestressed Concrete ...

​I note Appendix D of the 2000 Maryland Stormwater Design Manual prepared by the Center for Watershed Protection and the MDE outlines some of this history. It may be found at the link below. In part it states on page 5.1, "BMPs employed at new development in the State of Maryland are now required ...

​Colleagues, We were looking to connect Ductile Iron Pipe to existing Reinforced Concrete Pressure Pipe. Might anyone have any details of the joint connection or any idea how easy or difficult this may be? Also we are looking at making repairs of barrels of Reinforced Concrete Pressure Pipe where ...