HomeMy WebLinkAboutREVISONS 6/16/17 - 17-00248 - 875 S 5th W - Relocated 4-plexN
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72'-6"
S 5th West
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i S REXRURGID63440 WnR<zburB,ID6)440 DESIGN
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Storm Water Retention. Luthy 4-Plex and Parking Lot
Given
Storm Intensity (in/hr) 0.9
Percolation rate (In/hr) 2.0
Retention area width (ft) 18.0
Retention area length (ft) 43.0
Area 1
Description
roof drainage plus sidewalk
Roof area (ftA2)
2432.0
Calculated 1 -hr volume (ftA3)
182.4
Area 2
Description
Parking lop 11 stalls plus Isle
Paved area (ftA2)
4032.0
Calculated 1-hrvolume(ftA3)
302.4
Total 1 -hr volume (ftA3)
484.8
Retenslon
Area Widteh (ft)
18.0
Area Length (ft)
43.0
Area Depth (in)
7.5
Drain Design Summary
Provide depression area as indicated on
site plan, 18' wide and 43' long with an
average depth of at least 7.5".
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12373
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