HomeMy WebLinkAboutGrading Plans - 02/07/2023 rading/Stormwater Plan Accepted
(Building Permit Released)
Accepted by: sagenbroad
Date: 02/07/2023
1 '
scale: 1" = 20'
SHARED
TO I
EXISTING DRIVEYVAY
AND SIDEWALK-i63 5f
1�OT�5:
1) TH� LOT DRAINAGE IS SIMILAR TO PRE
GONSTRUGTIOhI GONDITIOh15. APPROXIMATELY
�5% OF OF THE LOT ALR�ADY FLOWS TO
TH� STREET PRIOR TO ANY RE-GRADING.
2) -15% OF THE WAT�R FROM THE PROPOSED GARAGE
ROOF WILL FLOW TO THE STR�ET AND 25% TO THE
ALLEY. PLEASE S�E THE FLOW BREAKDOWN IN
BOX AT BOTTOM OF PAGE.
3) THE PROPOSED CANGRETE DRIVEWAY WILL
FLOW TO THE ALL�Y (2�3 5f)
4) AN EXISTING GONGRETE SIDEWALK THAT
GONNEGTED A PERGOLA TO THE ALLEY WILL BE
REMOVED. THIS REMOVES 114 5f OF IMPERVIOUS
SURFAG� FROM THE REAR 1/2 OF THE LOT.
APPROXIMATELY 101 5f OF THIS SID�YVALK GURREh1TLY
FLOWS TO THE ALLEY. PLEASE SEE EXISTING SITE
PLAN INGLUDED WITH THIS PLAN.
5) INGREASE GRADE N�AR GAR,�GE BY APFROXIMATELY
6" TO GREATE POSITIVE DRAINAGE AWAY FROM
GARAGE AND ALLEY AS SHOWN IN GR,�DING PLAN.
PERMIT #: B2300455
EXISTING IMPERVIOUS ,4REA
HOUS�:
DRIVEWf�Y, 51DEW,4LK5,
PATIO:
AR�A� TO B� REMOVED:
NEW IMP�RVIOUS f�REA
G,4R,4G�:
DRIVEWf�Y
TOTP.L N�W ,�DDED
173G 5f
1431 5f
114 5f
5G8 5f
273 5f
871 5f
NET NEW IMPERVIOUS ,�RE,4: 757 5f
DIREGTION OF FLOW BREf�KDOWN
PROP05ED GARAGE:
�5% �LOW TO STRE�T
25% FLOW TO ALLEY
NEW GONGR�TE DRIVEWf�Y
100% FLOW TO ,4LL�Y
R�MOV� EXISTING 51D�YVALK (1145f)
88.5% GURRENTLY FLOWS TO ?�LL�Y
NET NEW f�REfa FLOWING TO f�LLEY
448.5 5f
149.5 5f
2�3 5f
-101 5f
321.5 5f
STR��T
2/7/2023
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RAIS� FINAL GRADE IN
THIS AREA 6" TO HELP
DIREGT FLOW AVtiAY
FROM GARAGE AND
ALLEY
X
BREf�KPOINT
NEYV GONGRETE DRI�lEYVAY - 2�3 5f
� Grad in Plan
radin 5cale: 1" = 20'
SIDEYVALK, STEPS,
AND PORGH - S8 5f
5�ale: 1" = 20'
W�ST OLIV� STR��T
GURB a 6U ER
SIDEYV,�LK, STEPS,
SHARED ENTRY RAM AND PORGH - bS 5f
TO DRIVEWAY
SIDEWALK
LOT LINE
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Ah1D SIDEWALK-�63 5�
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S�GTION OF 51DEW?�LK
,�LR�P�DY REMOVED
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