20220875 Ver 1_WestPod_DrainagePlan_20220629

GRADING AND DRAINAGE LEGEND
BRIER CREEK INDUSTRIALPHASE 1 WESTPREPARED FORMERRITT PROPERTIESNOT F
O
R C
O
NSTR
U
CTI
O
N
PRELI
MI
NA
RY©Know what's below.
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R
NORTH OVERALL GRADINGAND DRAINAGE PLANGD-1
Pre vs. Post Flow POA 2
Pre-Stor
m
Pre-Q
(ft3/s)
Post-Stor
m
Post-Q
(ft3/s)
%
Increase
1-Year 6.08 1-Year 6.04 -1%
2-Year 9.51 2-Year 8.98 -6%
5-Year 15.11 5-Year 13.07 -14%
10-Year 19.86 10-Year 16.27 -18%
50-Year 31.91 50-Year 26.52 -17%
100-Year 37.54 100-Year 31.17 -17%
Pre vs. Post Flow POA 1
Pre-Stor
m
Pre-Q
(ft3/s)
Post-Stor
m
Post-Q
(ft3/s)
%
Increase
1-Year 12.27 1-Year 2.42 -80%
2-Year 20.27 2-Year 4.84 -76%
5-Year 33.57 5-Year 9.3 -72%
10-Year 45.01 10-Year 13.32 -70%
50-Year 74.44 50-Year 24.09 -68%
100-Year 88.33 100-Year 29.32 -67%
GRADING AND DRAINAGE LEGEND
BRIER CREEK INDUSTRIALPHASE 1 WESTPREPARED FORMERRITT PROPERTIESNOT F
O
R C
O
NSTR
U
CTI
O
N
PRELI
MI
NA
RY©GRADING ANDDRAINAGE PLANGD-2NORTH
GRADING AND DRAINAGE LEGEND
BRIER CREEK INDUSTRIALPHASE 1 WESTPREPARED FORMERRITT PROPERTIESNOT F
O
R C
O
NSTR
U
CTI
O
N
PRELI
MI
NA
RY©GRADING ANDDRAINAGE PLANGD-3NORTH
GRADING AND DRAINAGE LEGEND
BRIER CREEK INDUSTRIALPHASE 1 WESTPREPARED FORMERRITT PROPERTIESNOT F
O
R C
O
NSTR
U
CTI
O
N
PRELI
MI
NA
RY©GRADING ANDDRAINAGE PLANGD-4
Know what's below.
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R NORTH
GRADING AND DRAINAGE LEGEND
BRIER CREEK INDUSTRIALPHASE 1 WESTPREPARED FORMERRITT PROPERTIESNOT F
O
R C
O
NSTR
U
CTI
O
N
PRELI
MI
NA
RY©GRADING ANDDRAINAGE PLANGD-5NORTH
BRIER CREEK INDUSTRIALPHASE 1 WESTPREPARED FORMERRITT PROPERTIESNOT F
O
R C
O
NSTR
U
CTI
O
N
PRELI
MI
NA
RY©STORM DETAILSGDDT-1©Know what's below.
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R
01NYLOPLAST 12" DRAIN BASIN (YARD INLET (YI)02BEDDING AND TRENCH
BRIER CREEK INDUSTRIALPHASE 1 WESTPREPARED FORMERRITT PROPERTIESNOT F
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O
NSTR
U
CTI
O
N
PRELI
MI
NA
RY©STORM DETAILS©Know what's below.
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R
GDDT-2
BRIER CREEK INDUSTRIALPHASE 1 WESTPREPARED FORMERRITT PROPERTIESNOT F
O
R C
O
NSTR
U
CTI
O
N
PRELI
MI
NA
RY©STORM DETAILSGDDT-3©·
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WEST DRIVEWAY SWALE SECTION