just in case anyone's interested...
the FAA detention design proceedure is referenced in "Airport Drainage", Federal Aviation Agency, 1966, I first found it in Maidment's "Handbook of Hydrology", pg. 28.27-28.28. It is rational method based proceedure and assumes that...
awwa c401-93 "the selection of asbestos-cement pressure pipe for water distribution" covers loading theory for this material and provides loading and pipe selection curves. hope this helps
the faa mass balance technique is described in maidment's "handbook of hydrology" (mcgraw-hill) pg28.27/28.28 - along with a sample problem. it works well for situations where i-d-f based (rational method) procedures are appropriate - don't push your luck beyond that. set up a...