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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 O � � ry _ � � O � � � (� °� o � � � � � pij � cfJ s O � O ill O V ��O�O �'NV i @vi a� o���o � p0 00� L � ,m � � 6.u� — LmL..L — �cv o�� M� vru.0 U LJ-I N N O N�1 �u � N � O � ,> O �� �� tSl � C� N +� = [Y � O # �� v� Om L� �i lL� Grading Plan 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 � �XISTING DRIV�YVAY Ah1D SIDEWALK-�63 5� � � Iry o, �-- ------- ------ i i � � � � � � � � i i i m � u m � � N i i i � EXlSTING HOUSE � � 173q 5f � � _, �A�, � 0 0 � EXISTING P,�D AND SHORT S�GTION OF 51DEW?�LK ,�LR�P�DY REMOVED R�MOV� EXISTING SID�W,�LK(101 5f) � � m � f � � � PATIo ; o 1� 5c�,ft � i i oow� oorv� � � � DEGK � i � �- ----� � � �-, � � � � � , � , � �- — --------------'-- '��-_,----_=- , j�- 'OINT � � BREf�KPOINT � � � � � � � � � w � � � y U I �I I �p I I I I I I �------ � � ---SETBAGKLINE---� ALLEY 4"I'-6" � ExiStin 5ite Plan Slte 5cale: 1" = 20' 2/6/2023 O � � ry � � 3 � � � � O � � � ��s O � O Ill O � p+,0�0 ��viv ttt O?��O � �000� L � .s��6 s —LmL..L —�cvo�� �M� urtLlLv lJ-I N � O � � � � O � .> � 0 �' � � ��— ��o ��v o � �m � 0�� �xi5ting Site Plan