HomeMy WebLinkAbout005_C1.3 GRADING AND DRAINAGE PLAN_4-17-19 I
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Top RETENTION POND B Sheet 4 Of Jr
OF POND=4991.70
HOPE LUTHERAN CHURCH BOTTOM OF POND=4990.20
LOT 3 SHGW ELEV.=4989.57 E
POND DEPTH=1.5' C m m o
MINOR SUB 235A MAX WATER DEPTH=1.5' INSTALL 3'WIDE z 6"DEEP RIP-RAP APRON 0)m a
REQUIRED VOLUME=PT37 CF FROM CURB CUT TO BOTTOM OF RETENTION [
PRO.VOLUME=1,188 CIF POND AS SHOWN USING 4'MINUS RIP-RAP. .T m
(SEE NOTES)
EASTERN HALF OF BUILDING#1 ROOF TO BE GUTTERED AND DOWN SPOUTED TO CONVEY oo L E a
ROOF RUNOFF TO POND E.FINAL LOCATION OF GUTTER DOWNSPOUT BY OTHERS. J a (1
GRADE SHALLOW GRASS LINED SWALE ALONG m 'P
I I GRADE SHALLOW GRASS LINED SWALE ALONG NORTH END OF OPEN SPACE AREAS TO '0
NORTH END OF OPEN SPACE AREAS TO 10'PUBLIC UTILITY CONVEY SURFACE RUNOFF WEST TO POND WW C
CONVEY SURFACE RUNOFF WEST TO POND A EASEMENT PER PLAT 0 O` Do
_ 20.0'REAR YARD SETBACK
- C a
II x-X -x-x X-x -� 4992 N ��
- - - - - - - - - - - - - - 91 'CYhaM "'LoHm Yn t
I
I RETENTION POND A k9-T- 1� T= _r_ C I TOP OF POND=4990.5
BOTTOM OF POND=4989000 C
SHGW [ ) m o aa
ELEV.=4987.88 I
II I POND DEPTH=1.5' o
MAX WATER DEPTH=1.5' B
I REQUIRED VOLUME=605 CIF
PRO.VOLUME=623 CIF I. o GRADE LOW POINT IN LANDSCAPING 8n9
I I ADJACENT TO BUILDING TO SHED RUNOFF
I (SEE NOTES) I,I I UILDING #1 ,�H 4 (aa.o Y IN LANDSCAPED AREA AWAY FROM BUILDING
B
I
4 UNITS it I I FFE=4993.00 - BUI3DINIG #2 �1
92.5 BC
FFE=4994.00
66% �� 25.0'SETBACK
- N 4992--
E DRAINAGE a PER PLAT
1.5'WIDE CURB CUT RETENTION POND
FROM GUTTER�O RO�Ivmi T.
8T.J5 92.J5
(92.4o) (z.Ja)MC ,3.as - a. a3.7
�� ml
92.41)T90 a n SIDEWALK RAMP FROM SPILL CURB ELEVATION
COMMON OPEN (99 92.54 SW (a(92 B9) ( )
�,, 9z1 sw (9.s0 Tec --. TO DROP CURB AT DRIVEWAY 8.3R MAX SLOPE
SPACE
I I 92.5J SW � 318)SWLU
� 7
I SPACE 92.19 (92.33 SW � 1 93.2J SW 9].}J)SV/ 9y.gp � 9� = T�1
92.0 TBC 9254 M HP N- T 82.J1 SW ( )'. Z
92.89 TBC .. 9]O8)TBC 93.2J TBC 9 3�T9C f s' �'-
I 92.42
INSTALL 3'WIDE z fi"DEEP RIP-RAP APRON � E- �92 W
FOR FIRST 8 LF OF DRAINAGE SWALE AFTER ASPHALT SPILL
>
I CURB CUT AS SHOWN. USE 4"MINUS RIP-RAP. Ii? TRANSITION FROM SPILL R
,o /' N � � PAVEMENT --' CURB TO DROP CURB Q H
I 1.5'WIDE CURB CUT TO PROVIDE DRAINAGE �m 3 4993 ° IICe > _
FROM GUTTER TO RETENTION POND a IrH p°a�
92.0)M TRANSITION FROM DROP CURB TO
I TRANSITION TO CATCH CURB SOUTH OF CURB CUT (928t) ) 93.18) T)MCATCH CURB NORTH OF CROSSWALK
(93.1 TBC TBC (
ry 3 JS) BC F-
�
I (93.91 5a
(94it) (9.10 C (94.36) 1 20.0'PUBLIC UTILITY ^�
I 3 ; All EASEMENT PER PLAT
B4.24) 94.3]) .2 SW (94.50) N..) 94.50) g4.50) I (9 52) r. 1.0' NO ACCESS
STRIP PER PLAT rT,
5.0'SIDE YARD a w9 • _ _ ( �sw w
I SETBACKS -� -� Wqo
_ RETENTION POND D
i TOP OF POND=4993.50
BUILDING #3 BOTTOM OF POND=4992.90
M
yk m4 UNITS SHGW ELEV._0.6' 4 O
I I, RETENTION POND C (s4.m)Tec p9 FFE=4994.75 POND DEPTH-0.6'
I 1 TOP OF POND=4993.50 � '" " MAX WATER DEPTH=102
I BOTTOM OF POND=4992.50 a4)TBC o O.S.AREAS TO SLOPE _ 9gn I a PRO.RED VOLUME=111=CF CF (`I
AWAY FROM BUILDING k m PR VOL ME 111 CF 1L��
SHGW ELEV._4992.25 �a ?� ROOF DOWNSPOUT a ,� (SEE NOTES) !C¢y
1 POND DEPTH-1.0' 'a" • I eo) O
MAX WATER DEPTH=6 COF -
REQUIRED VOLUME=10 C
PRO,VOLUME=112 F �
(SEE NOTES) �
- v T ^
15.0'S€TBACK J 994 'w =
PUBLI R PLI�T - 4 965 SOUTHERN HALF OF BUILDING#3 ROOF TO D GUTTERED AND DOWN 1^
SPOUTED TO CONVEY ROOF RUNOFF TO PONDS C AND D RESPECTIVELY.
�# FINAL LOCATION OF GUTTER DOWNSPOUTS BY OTHERS I (TY P.OF 2)
`- 95.J1)SW 5 5 3Y1 EXISTING SIDEWALK (98.81)5w 9. 1.0 NO ACCESS STRIP i 1V
LL��II
'NO PARKING TO G'
i
25\MPH SIGN_ - - �G6RNEF SIC Z CP#1 O
B.M.FND_YPC
- -- --
SOLITHEIRIDGE DRIVE RETAINING WALLS TO PROVIDE 2.5'OF GRADE BREWo
BETWEEN R.O.W.SIDEWALKS AND RESIDENTIAL OPEN SPACE.
BOT.OF WALL ELEV.=4993.0 U
TOP OF WALL ELEV.=4995.5
-6"ss SOUTHERN 10 FT OF SIDEWALKS FROM BUILDING#3 TO BOULEVARD SIDEWALK TO
-6" BE STEPPED.NORTHERN PORTION OF SIDEWALKS TO SLOPE TO THE SOUTH FROM O
UNIT ENTRANCES TO LOW POINT AT BOTTOM OF SIDEWALK STEPS.(TYP.OF 3)
_ - _ - - - - - - - - - - - - - - - - - - _ - -I_ - 4I
Scale In Feet O
I o € 6 0 60
Scale
GRADING AND DRAINAGE PLAN Contour Inta Meters
eruala: If Foot
NOTES. C1.3 SCALE:1"=20'
1. RETENTION PONDS TO BE DESIGNED WITH 4:1 SIDE SLOPES, FINISH GRADED WITH 6"
OF TOPSOIL,AND SEEDED. Issue Date:411712019
2. IF THE BOTTOM OF POND ELEVATION DOES NOT REACH THE EXISTING NATIVE GRAVEL
LAYER (2'-2.5' BGS),THE POND FOOTPRINT WILL BE OVER-EXCAVATED TO THE NATIVE
GRAVEL LAYER AND BACKFILLED TO THE BOTTOM OF POND ELEVATION WITH A WELL
DRAINING GRAVEL MATERIAL TO PROVIDE ADEQUATE INFlLTRATION OF STORMWATER.
3. REFER TO DETAIL 9/C2.0 FOR TYPICAL RETENTION POND CROSS SECTION
C1m3
#190104