HomeMy WebLinkAbout1007009 09 C300 Grading PlanDRAINAGE SUMMARY
OVERALL SITE ACREAGE
25.19 ACRES
OFFSITE/UPSTREAM
ACREAGE
2.37 ACRES
ALLOWABLE RELEASE RATE
(FROM MASTER PLAN)
10 YEAR 6.40 CFS*
100 YEAR 9.08 CFS*
PROPOSED RELEASE RATE
10 YEAR 6.36 CFS
100 YEAR 9.01 CFS
CN COMPARISION
(FOR BASIN B6)
PROPOSED 90
MASTERPLAN 92
DETENTION VOLUME
REQUIRED 145,840 CF
PROVIDED 146,972 CF
*AS DEFINED BY MASTER DRAINAGE PLAN (APPROVED MAY 2006)1
0
C\J
0
4-
0
0
0
c
0
0
0
0
4 C5)
3-
03
00 0
0
0 3 1
C
0
o
x i
0
E;
c 0
0) J
0
(x)
oo
6 N 0
0
tr)
0 00
a„) 0
E
0
z
O
0
cn
O 4- I-
O 0
jJ
J
838.46
839.16
838.66
840.40
839.90
838.54
840.31
839.81
840.31
839.81
840.40
839.90
840.40
839.90
840.40
839.90
840.40
839.90
838.11±
837.61 ±M.E.G.
838.34±
837.84±M.E.G.
837.72
837.72
840.08
839.58
840.27
839.77
837.94
837.44
837.35
1839.43
839.571
840.001
838.83
838.33
837
TC 837.89
837.90
1 837.40
838.55
838.05
PROPOSED
BUILDING
F.F.E.=840.00
840.29
839.79
839.30
839.46
839.36
838.86
839.07
839.76
839.05
839.83
839.33
839.65±
839.15±M.E.G.
TC 836.08
839.20
838.70
838.27
837.77
839.501
839.50
838.95
838.87
838.37
837.42
839.66
839.16
839.68
839.18
839.15
839.11
838.61
838.90
838.40
840.40
839.90
1839.42
840.00
838.651
839.11
838.61
839.851
839.83
839.33
839.68
839.18
838.90 838.83
1839.50
839.501
I839.501
840.29
839.79
tr)
840.27 co
839.77
837
840.40
839.90
839.35
838.85
838.57
838.07
838.93
838.43
B39
838
839.37
838.87
837.09
838.30
837.80
838.36
837.86
837.87
837.37
838.53
838.03
838.53
838.03
1837.09
837.63
837.13
837.63
837.13
83
1
EXISTING
DETENTION
POND
EXISTING
RESTAURANT
ETJ 1 L i LJ
L
SD SD
L
10-FT WIDE ASPHALT PATH
r-
END SECTION
INV. 828.00(E)
SD SD
TC 838.30
INV. 834.25(E)
TC 838.02
INV. 831.39(E)
INV. 831.29(N)
INV. 831.39(S)
INV. 834.00(W)
TC 838.28
INV. 833.06(E)
INV. 832.96(N)
78"R
TC 837.45 T
EX
INV N 829.43
INV S 829.50
0
0
1 C 1
5" RP
SD
TC 837.85
INV. 829.13(W)
INV. 829.23(S)
1
1
1
1
TC 831 1 .02
I
1
839.04±
838.54±M.E.G.
1
15"RCP 1
---'--„,S
1
83,9
837
c�
TC 837.00
10' ASPHALT PATH
TC 838.32 7 I
EX
INV W 834.34
WEST 96th STREET
Jr
8 3)
Ni
END SECTION
NV. 833.75(W)
co
1
1
MERGENCY OVERFLOW PATH
LEGEND
EXISTING
GRADING NOTES
0 20
SCALE: 1"=20'
WTR WATER LINE
FIRE HYDRANT
WATER VALVE
UE UNDERGROUND ELECTRIC
C) ELECTRIC MANHOLE
TRANSFORMER
UT UNDERGROUND TELEPHONE
CD TELEPHONE MANHOLE
'=1 TRAFFIC SIGNAL
(1) LIGHT POLE
40 60
PROPOSED
INDEX CONTOUR UNE x
INTERMEDIATE CONTOUR LINE
SWALE
SPOT ELEVATION 1753.00R
MATCH EXISTING GRADE
STORM CURB INLET
LJ STORM INLET
1 EX 1 STORM STRUCTURE NUMBER
L_ _J
SD STORM SEWER
STORM UNDERDRAIN
EMERGENCY 100-YR OVERFLOW PATH
DRAINAGE ARROW
1. PROVIDE POSITIVE DRAINAGE IN ALL AREAS. PAVING CONTRACTOR
SHALL TEST FOR ANY PONDING CONDITIONS AFTER INSTALLATION AND
CORRECT.
2. PROVIDE SMOOTH 'TRANSITION FROM NEW AREAS TO EXISTING FEATURES
AS NECESSARY.
3. ALL AREAS WHERE PROPOSED ASPHALT PAVEMENT MEETS THE EXISTING
PAVEMENT THE EXISTING PAVEMENT EDGE SHALL BE PROPERLY SEALED
WITH A TACK COAT MATERIAL.
4. THE EXCAVATING CONTRACTOR MUST TAKE PARTICULAR CARE WHILE
EXCAVATING AROUND EXISTING TREES SO NOT TO DISTURB AND TO
MINIMIZE OR ELIMINATE DAMAGE TO ROOT SYSTEM.
5, THE EXCAVATING CONTRACTOR MUST TAKE PARTICULAR CARE WHEN
EXCAVATING IN AND AROUND EXISTING UTIUTY LINES AND EQUIPMENT.
VERIFY COVER REQUIREMENTS BY UTILITY CONTRACTORS AND/OR UTILITY
COMPANIES SO NOT TO CAUSE DAMAGE.
6. THE EXCAVATING CONTRACTOR OR LANDSCAPING CONTRACTOR SHALL
INSTALL THE FINISH GRADE AT 1/2" BELOW PAVEMENTS WHEN SHEET
DRAINAGE IS PROPOSED ACROSS THAT SEEDED AREA.
7. ALL AREAS WHERE THE EXISTING PAVEMENT OR PAVEMENTS ARE
DAMAGED DURING CONSTRUCTION FROM TRAFFIC BY THE GENERAL
CONTRACTOR, SUBCONTRACTORS OR SUPPLIERS, SHALL BE RESURFACED
OR RECONSTRUCTED AT LEAST TO THEIR ORIGINAL CONDITION AFTER
THE CONSTRUCTION WORK IS COMPLETED.
8. T.C. SHALL INDICATE THE ELEVATION THAT WATER WOULD ENTER A
STRUCTURE WHEN STRUCTURE IS NOT A CURB INLET. T.C. SHALL
INDICATE TOP OF CURB WHEN STRUCTURE IS A CURB INLET.
9. STORMWATER FACILITIES WILL BE PRIVATELY OWNED AND MAINTAINED.
10. MINIMUM FLOOD PROTECTION GRADE IS 838.00
NO EARTH DISTURBING ACTIVITY MAY COMMENCE
WITHOUT AN APPROVED STORM WATER MANAGEMENT
PERMIT.
PER FIRM MAP NUMBER 18057CO216F, NO
FLOODPLAIN OR FLOODWAY FRINGES EXIST ON THIS
SITE.
1-800-382-5544
CALL TOLL FREE
DON'T
DIG
BLIND
"HOLEY moLEr•
M.E.G.
753.06(
752.50
I- co
00
UJ F"
0
a.
0
ui*
-N
o_ ai
0
O 0
LA) (1) o (\1
(.0
c
IrJ
SHEET NO.
V)
co
cn
C300
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