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  • Mr. De Jesus,  Thank you for the response. That's very helpful and exactly what I was interested to hear. ------------------------------ Jesse Kamm PhD, PMP, A.M.ASCE Senior Vice President of Construction Management ------------------------------

  • Mr. Kamm,  We recently ​completed a project where we decided to allow some partial flooding of the facility parking/cargo area under certain events. It was something we decided we could live with, but in reality it's a lot less practical than I expected. I wouldn't do it again if I could avoid it. It ...

  • Jesse, One-inch containment likely doesn't mean one inch of water on the ground (that you would have to walk through to get to your car). DC Original Message: Sent: 03-04-2019 09:42 From: Jesse Kamm Subject: Owner/User Experiences with Parking Facilities Designed for 25 Year Storm Detention Per ...

  • If you have a 20' drop to the floodplain, can't you put a detention pond off the parking but above the floodplain? ------------------------------ James Justin Mercier, P.E., CFM Life Member ASCE Sr. Life Member IEEE Austin Texas 512-442-4016 ------------------------------

  • Per the geotech/CE report, the city is requiring (direct quote from the report) "a "first flush" volume to be for a specified time and released. The further requirement is that the "pre" and "post" volume runoffs be equal for the 25 and 100-year storm events.  Alternative methods to comply with first ...

  • Per further details of the project, have infiltration tests been performed?  It appears that underground systems may not feasible because of probable soil conditions.  In addition, with the described flooding conditions care must be used to keep sediment laden floodwater from entering said systems.  ...

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