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DarthSoilsGuy, Ok, thanks for jogging my memory this AM. I actually have some experience with RW/TWs. I pulled out a set of plans designed for small airplanes. We used a 7" reinf. PCC over 4" Cr. Agg. Base over 6" of compacted sungrade (exist. soil). Problem we had was wet conditions made...

Ok, thanks csd72. We do however typically call out 95% compaction for the cem. stab. sand here in east TX. Still not sure what to use though I've got to think that cement stab sand is the best choice due to ease of construction and any movement shouldn't break up our concrete sidewalk just...

I've got a proprosed 6ft wide reinf concrete sidewalk I've been told to beef up (and then some) to ensure that the frequent truck traffic does not break it up. I've been told to use a 10" thick reinf. conc. section. The soils in the area are typically clayey with high PIs (past 20). Given the...

Ok, thanks for the info -Neenah's inlet calculator is handy enough.

I'm looking to analyze the depth of ponding (for a 3-yr & 100-yr storm event) at each grate inlet for a parking lot storm sewer system -I'd appreciate any input on the best way to do this without using a for fee software program -thanks.