This video provides a summary of test method procedures. For more information on this method, including calculations, please visit the CTTP online training modules here: cttp.uark.edu/...
If the petcocks are clogged, you want to make sure they are unclogged prior to running the test. That can be achieved by taking the cover off and either shooting water through each of the petcocks or if some dried concrete is stuck in there, using some type of a small tool to dislodge it.