HomeMy WebLinkAboutSTORM WATER CALCS - 20-00700 - Kodiak LLC - Gorilla PerformanceShauna, please attach the following email to the Kodiak permit #20-700.
Thanks,
Bret Stoddard | Building Official
Rexburg Building Department
35 North 1st East
Rexburg, Idaho 83440
(208)372-2332 W
(208)716-1332 C
From: Johnny Watson <jwatson@jrwa.com>
Sent: Friday, June 4, 2021 11:52 AM
To: Joel Gray <Joel.Gray@rexburg.org>; Bret Stoddard <Bret.Stoddard@rexburg.org>
Cc: Brent McFarland <bmcfarland@jrwa.com>
Subject: Kodiak Storm Water Calculations
Joel,
Brent will put these on JRW letterhead if needed.
Roof Area = 5,625 S.F. x .95 x .09= 480.94 CU.FT.
Asphaltic Paving/Concrete = 16,848 S.F. x .95 x .09= 1,440.50 CU.FT.
Total Retainage Volume Required = 1,921.44 CU.FT.
System installed:
18 chambers x 74.9 CU.FT. = 1,348.20 CU.FT.
Drainage rock x 2,640 CU. FT. x .3 = 792 CU.FT.
Total Retainage Volume Provided = 2,140.20 CU.FT.
Thank you,