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<br /> �C�N�TI�UCTION NOT�� � � ( �
<br /> � ITEM �' � .
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<br /> 4 CA`TGH �ASIN, U°VITH NON-Tf�AFFIC GRAT� �ER DETAIL H�R�ON �
<br /> �
<br /> I, � 5 6" P�RFOi�AT�D I���� DRAINAG� �IPE �
<br /> ( �
<br /> � 6 CONSl`RUCT 6" POf�"("�ND CEM�NT CONCR�TE PAVEMENT OVER 4"CRUSHED AG�REGA7� �AS� �
<br /> � �.
<br /> l �
<br /> 61 T
<br /> 7 P,C.C. CURB P�R D�TAIL MERE4(V � �_.
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<br /> �, ; � � 12 IN57ALL 1" HDP� PfP� ORI�I�� FOR&" PIPE � C�
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<br /> � ( I I S 58'10'��" E� 200.Q0' 93 INSTALL HDP� SCH. 44 DISCHARGE TO EXISTING STORM DRA1N BASIN, SIZ� P�R PLAN � �,�',
<br /> � ' � �a=-��--� �-4- - o c �o �
<br /> 5.0,0' ROP � 14 INSTALL N�S E�filow SUBDRAIN WIT�I 4" DIA. SI.OTT�D PIPE, �Z-1001F OR EQUIVALEIVT(nds�ndspro.com} � ,
<br /> EAS� ENT � �
<br /> " f � �_� 15 INSI'AL�H�P� SCH. 40 D�AIN�,G�F�CP�, SI�� PER PLAN �
<br /> ! � C� 4 SEE NOT� 3 �� �Q
<br /> � S-f- ` -- � �� INV 561.54 21 INSTALL �8"K18"CA7CM RA,SlN WITH PARKWAY COVER P�R DE�AIL HEREON �
<br /> .� � _ �������,� � �,L,
<br /> � } �d 22 INS`CALL A�S (O� EQUIVALENT} ROOF DRAfN ASS�MB�.Y PER DETAIL i-icREOI�. I�ttp://www.ads-pipe.cam/en �
<br /> n � L 1NV 561.54 ��' � � Q -
<br /> •y t',� 5 0 23 C�NSTRUCT �FtAINAG� CLEANOUT (�CO) P�� DETAIL HER�ON �, z '�'
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<br /> �6-�-a�6�7_�..Q-f� -Ci-^a- _.. 3' G-G--9-�-�N S��.y�G�._�5..._�4.Y _ _ �_���9.�_G_ G-�-'_6 _n'L-G_ 4.��_Q-O-A- - ff G ' i�..9-.�_.. ._G.�.�e,�i,�h� ' � � u
<br /> ���' i65.00 LF 4"HDPE SLOTT�D PIPE� � �'. �
<br /> � � ���` � w � � � 37 1�YPICAL RESTRICTOR (CITY OF EVERETT STANDARD PLAN 415) IN 54" DIA T'Y�E 2 CATGH BASlN (STD 405) � � �
<br /> ( 3 .��° DCO 23 � a. tr � rv
<br /> l I ( - ' I ° INV 561.42 d,-� ��-4�--\ z � 40 �`TURMTECH CMAi�/11�ER SYS7�M � � � �
<br /> � I , 15 G } Q Ilo .� � � --�---� - - - --___ � � � � �
<br /> � I�� c?_�j CO � W ItVFILl'�ATtOi� F�A�IBILITY � � � �
<br /> � � � �Z INV 564,9 -¢ 0° THE PROJECT GE�T�C�{N(CAL ENGINEER, TERRACON, HAS EVALUATeD THE FEASIBfL.ITY OF ON-SITE � � � � '�'
<br /> „ I = � _ C� �° � � a'. °
<br /> INFILTRATION (7� STC7F�M WAl'ER RUN O��'. AT TH� F�ROJE�T SIT� T�RF�ACUN �BS��V�D APPROXIMATELY 1
<br /> f � � t = 23 D�o aCo �� ��U � FOOT OF UNCONTRO�.L�D/UNDOCUMENT�D FILL ON 7HE UPHILL (N6RT'H) �{DE O� �'H� SITE INCREASING TO � � � v
<br /> ( I .�.U � INV 564.54 15 � INV 564.63�� W V 5 6 0,3 3 I, 4a APPROXIMAT'ELY 7 �EET OF �ILL Oi�! THE DOW N N I L L (S O U T H) S I�E O F T H E i I T� W H I C I�i I S U N D E�2 L A I N B Y � � � � Z
<br /> N I mI� Y � .. � � � .:� .
<br /> j � � ( �4 � GLACIALLY COfVSOLIDATED S011.a V4M4CH HAVE A VEf2Y LC�W F�ATE C7F INFILTRATION. P�R TFIE 2014 VERSION OF �y � � � c� �
<br /> N Ira � � a-. u� � TFIE STO�M WATER MANUAL rOR Yll�ST�RN WASHINGTQN SITE SUITASILITY CRITERIA SSC-5 AND SSC-6 WOULD � p � � � U .;.
<br /> � °I� 15 B 4 15 = ip Y �' APPLY TO TME Sl��AN�T�RRAC�N RECOMM�ND THAT !T IS NOTA CANDIDATE FOR O�J-SIT� iNFILTRATION. � Q � � o `
<br /> 3 R� 21 NV 562.99 Cp '� W 4Q � ' s �G � � � vi �
<br /> 22 � � � '� i��U�� PR��LUDING �ITE INFILT�A�TI�N: t� Q � 0� o
<br /> ( � �`� �� MDPE L 6 60!% � V �6�.�� � � � f'� P�R S S C-5 T H E D E�T H O F l"H� L O W I N�I L T i�A�T"I U i V L A Y E R (�L A C f A L T[L L) F R O M T�i� �A S� O F T�f� I N F I�.T R A T I O N ud � � � � :
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<br /> � � I N V 5 6 1.2 1 � � � c n � ;� ��.�I�l 1�N T S F i O U L D �� 5 F��'� c,�R G R E A T�R. T'H I S l S N O T �O S S I B L� F�R T H� M A J C 7 f�1 7 Y O� T H E S I�E. T H� � � � �
<br /> S I � I �,� 1� � �I�i � � � „ o � � W I T H A M O U DH N G A N A�S I S�A N D�U P S l Z oN O F T H EN I N F i LR R AD O N S Y S T E N I H O W�E R T H� 'S I T E D O E S N O T � � ��� ' j
<br /> " � � � C� � 4�� t p�0 � � �5 � HAV�AflEQUATE SPA�E ANC� D���"W �'O ACCOMMODAT� SUCH A �ACIL11'Y. �
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<br /> � I � o� o � SEE NOTE 3 IN ADDITION, SSC�6 PRECLUD�i SITE INFILT�ATfC�N O�' SYO�MWATER !N TH� "UNCON�"ROLLED OR �
<br /> � � �I NV 564.21 � ' ��
<br /> f � ° DCO � INV 560,33 � i NON-ENGINEERE� FlLL SOILS AT TH� SfT� 08SERV�� AB�VE l'HE TILL. AS REQUER�C� �Y SuC-�, 1�1PACTS TO �
<br /> 15 INV 5 13 23 -°-�`"- �`- �' N�IGHBORING PROP�RTI�S, Wc�UL.t� ALSO IiV�ICAT� THA1' ON-51T� I�IFILTFZAT'IO�I IS N8T ��AS13L.E A� � � �
<br /> ( ��, � � "� � COLLECTION AN� INFILTRATI�f� OF STORM WAT�R RUN-OFF MAY C�EAT� A SLC7P� 5l'A�ILITY c�F' AN � � �
<br /> � N 5 INV 560.67 DG4 23 ��. � �� APPROXIMATE 2.5 MORIZONTAL: 1 VER7ICAL SLOPE APPROXIMATELY 8 OR SO FEET fN HEfGHT L�CATED ON THE � �� � N m , -
<br /> � �„B„ „s„ 1NV ��0.83 . i � NEIGHBORING PROPERTY NEAR THE SOUTNERN PROPERTY LI�lE 4>F OUR SiTE. � � � �
<br /> I i"1
<br /> " ,� � � o ! NV 564.67 � � 65,00 LF 4" Nt�PE SL�JTTED �'IPE � IN R�VI�VV OF Ti�-iE ASC�V'� IT fS TH� CONCLUSiON C» 7�FtRACrJiV THAT SITE iN�ILTRATfON �OES NO�' A���AR � � � �
<br /> � r.� o � ��V 560.55 � ° ��� 40 F�ASE$LE PER l'H� REQUIREMcNTS OF TH� MANUAL AND THEREFORE �IOFIL`TRATION ��AP D�SIGN IS � � � � '
<br /> � �_ � 30.03 LF 6" � � 14 I CONSIDEFtED FO��HIS SIT�. � U d .
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<br /> � IS.OQ' R P � �I� � � ( I 1. PRI�R i"O DEMOLITION OF 7HE 51T�, COP�TRACTOR SHALL FIELD V�RIFY THE POINT OF CONN�C7'ION FOR = � "'
<br /> EA c E T 37 � � a? THE STORM DRAIN SYST�M AN[7 CONTACT 1"M� ENGINE�R WITH TH� �LEVAI"iC7N �F ALL INVERTS AND THE �
<br /> �XlS1`!NG C� I N V 5 6 0.0 0 �, 40 SEE NbTE 3 40 4� CONFIGURATfON OF THE STRUCTURE, v ,
<br /> - 1 Z 13 , � � I SUMF' S58.Q0 "
<br /> TG 562.16 � i
<br /> �X INV: 559.86' 12" f�CP-NE INV �59.78 I 15 2. �IORETENTION SOlL ME�IA P�R �3MP T7.30 "DEFAUL`f BIORETENTION SOIL M�DIA tB51�)" AS SH4WN ON � �s.
<br /> �4,Zg LF 6° � VOLUiUIE 5, PAGE 7-18 UF THE STORMWATER MANAGEMENT MANUAL FUI� WES7�RN WASHING70N, �
<br /> � . EX ENV: 559.76`6"�RCP-SE i �,' HDPE c�,D 0.5% DECEM�ER 2014 W � <
<br /> �X iNV: 559,66 12 ��P-SW � .
<br /> SUMf': 558.5' �� � �� 3. CHAMBER SYSTEM PER [��TAILS SHOWRI ON SHEETS C-301 THRU C-306 � ���
<br /> � �
<br /> �� � INV 560.41 � CHAM��R INV�RI" 560,00 CHAMBER INVERT 560.00 � � � 9g���
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