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NE 1/4, SE 1/4, SEC.30, T.28N., R.SE., W.M.
<br /> SNOHOMISH COUNTY, WASHINGTON �,�ur� v_4.s.s ����rn�t�,�� ���,� �'�per��� ����,��
<br /> 15" ADS N-12 BOTTOM CONNECTION
<br /> MAXIMUM INLET FLOW 2.8 CFS .
<br /> INVERT 1.3" ABOVE CHAMBER BASE
<br /> (SEE NOTES)
<br /> 6" ADS N-12 DUAL 50.30' (
<br /> WALL PERFORATED
<br /> HDPE UNDERDRAIN
<br /> �
<br /> ( C #3
<br /> _ CONTROL STRUCTURE ; ..�
<br /> :: ;� . � .�.��-
<br /> �..� 4• ,�-s��min. #200�0�,ax �
<br /> SCALE: 1 „ = 1�, M" =r�� 7 y�� ■ � � galvanized bolts �-
<br /> �� �E 12' CPP(NE)�437.26 (AB) X -
<br /> I '."=0�o ma -
<br /> IE 8' PVC(SE)=439.25 (AB) I I - 00 a� �o I I
<br /> 0 5 �o IE 15' CPP(S)=�37.37 (AB) oo� O� - f
<br /> ( !E 15' CPP(W=�37.37 AB) Q(���gQ� -
<br /> : I ' I _I I I ��' -I
<br /> 2„x�2° - - - �00,�0 -
<br /> � ��, � a pressure treated - _ Q��� �..�o �
<br /> $t�� I � / g r a d e b o a r d - - ;t��
<br /> ��� 4
<br /> ' �'r� - U`. �
<br /> � ` �� I � FU URE Z� = o o��o��$oo C
<br /> ,
<br /> u � a Q �j
<br /> I � ^ -2 STORY =1 �8 QU 4"x 4„
<br /> � �.; I � 2"x2"notches 12"min. _ � 0���0�� � support post
<br /> .. ..._ . , OFFICE BLDG. �8��o.c. , po�o 0
<br /> 36' max Q
<br /> ( X �'�"'�'g�,-MIN- � F 54�.00 F - O 00�0
<br /> � o �o
<br /> v� "� � QO,����p clean(<_5%fines)
<br /> �� � `�� 1 Y"-%a"washed
<br /> � a:.;,�.�..�.,,,,�,��� .,�
<br /> ��� CB#2 � rock
<br /> N I '
<br /> f � �� �
<br /> MWS FILTER � ,
<br /> I ���,: };� :,,�� ; a -�-,�,�„�ye- � °
<br /> fiiter fabric
<br /> I �""�"�"�"�i��"� I *15°/a max for flow controllwater ;
<br /> �M .�,5,Q9 �/4Q� quality treatment in rural areas. j
<br /> � iE �z' cr�(s)=��.� (�ae) Section A-A
<br /> ' IE 12' CPP(W)=441.00 (AB)
<br /> ,�
<br /> � =���,�. � �_ . ._
<br /> � ! I / Notes:
<br /> 1. This trench shall be constructed so as to prevent point discharge and/or erosion.
<br /> INSPECTION PORT ISOLATOR ROW �M=,�,�� �j�� 2. Trenches may be piaced no closer than 50 feet to one another.(100 feet along flowline)
<br /> 3. Trench and grade board must be level.Align to foilow contours of site.
<br /> (SEE DETAIL) lE 15� CPP�N�=�38 01 �AB� 4. Supp�rt post spacing as required by soil conditions to ensure grade board remains level. NOT TO SCALE
<br /> ►E �z• cPP(�=�.�s.zs (Ae) �
<br /> !E 15• cwP(s)=�,�s.o� (ae) �'' Figure V-4.5.9
<br /> 93.00' lE 24' CPP(W)=�1�37.26 (A8) °
<br /> Alternative Flow Dispersal Trench
<br /> DEPARTMENT OF RevisedJanuary2016
<br /> E C O L O G Y p�ease see http://www.ecy.wa.gov/copyright.html for copyright notice including permissions,
<br /> State of Washington limitation of Iiabiiity,and disclaimer.
<br /> STORM7'E'CH SUMMARY CHART
<br /> �.iORM VOLUME STORAGE REQUIREMENTS (CF) MAXIMUM RELEASE RATES (CFS)
<br /> �VENT DEAD LIVE DESIGNED AS-BUILT RATE DESIGNED AS-BUILT
<br /> �2 ��F 2-YEA N/A 4,922 4,922 4,922 0.01 0.01 0.01
<br /> N/a s,4o2 s,4o2 s,�o2 0.03 0.04 0.04 2014 Stormwater Management Manual for Western Washington
<br /> t ou-YEAR '
<br /> Volume V- Chapter 4 -Page 824
<br /> 1 1�ISPERSIONTRE'NCHDETf1IL
<br /> C4.1 N.T.S.
<br /> SITE SPECIFIC DATA
<br /> PROJECT NUMBER 7754
<br /> PROJECT NAME B.I.G. PARKING EXPANSION .
<br /> PROJECT LOCATION EYERETT, WA
<br /> z
<br /> TREATMENT REQUIRED
<br /> �OLUME BASED (CF) FLOW BASED (CFS) PATENTED
<br /> 0.0426 C/L PER/METER
<br /> �0/D AREA �
<br /> PEAK BYPASS REQUIRED (CFS) - IF APPLICABLE 0.3025 OUTLET P/PE � C/L
<br /> P1PE DATA l.E. MATER/AL OJAMETER SEE NOTES - - - r -�
<br /> f �]� � � WETLANOMEDIA 444.98 �
<br /> INLET PlPE ""-r,Z-�4;1.OjA8) HDPE 12" � �`�: BED
<br /> ��
<br /> OU�LET PIPE �4-�-84442.35(AB) HDPE 12" PRE-FILTER � �" ' � '' ' � � � 443.62 • �
<br /> CARTR/DGE � FLOW `r � °
<br /> PRETREATMENT BIOFIL TRATION DISCHAR6E � �.'���� CONTROL "►� f .
<br /> , /
<br /> ` VERACAL RISER � �� " 442.37
<br /> RlM ELEUATION �4441J84�5.09(AB�F.�445.09(AB)444.98 445.09(AB) /NLET PlPE � , �• UNDfRDR,4/N e � ��€ ; Know what's b@�OW.
<br /> � �� C1�� before you dig.
<br /> SURFACE LOAD LOAD LEl/EL 5 PER ASTM C1802 S E E N O T E S - - - - - -� M A N I F O L D l _ _,. �..��::�
<br /> 441.04 i� ao
<br /> FRAME & COl/ER 30" X 30" 24" X 42" N/A DRA/N DOWN UNE
<br /> WETlANDMED/A �OL UME (CY) o.9� G�� P LA N V I E W � L E FT E N D V I E W� UTILI7'Y CONF�ICT NOTE•
<br /> ORIFICE SIZE (DIA. INCNES) 01.10� CA UTION.'
<br /> NOTES� PREL/MINARY, NOT FOR CONSTRUCrION. THE CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFYING THE LOCATION,
<br /> DIMENSION, AND DEPTN OF ALL EXISTlNG UTILITIES WHETHER SHOWN ON THESE
<br /> PLANS OR NOT, BY POTHOLING THE UTILITIES AND SURVEYING THE HORIZONTAL
<br /> AND VERTICAL LOCATION PRIOR TO CONSTRUCTION. THIS AND THEN SHALL
<br /> INCLUDE CALLING UTILITY LOCATE � 1-800-424-5555 POTHOLING ALL OF THE
<br /> EXISTING UTtUT1ES AT LOCATIONS OF NEW UTILITY CROSSINGS TO PNYSICALLY
<br /> VERIFY WHETHER OR NOT CONFLICTS EXIST. LOCATIONS OF SAID UTILITIES AS
<br /> :
<br /> SHOWN ON THESE PiANS ARE BASED UPON THE UNVERIFIED PUBLfC
<br /> G�� ��H •�v INFORMATION AND ARE SUBJECT TO VARIATION. IF CONFLICTS SHOULD OCCUR, •
<br /> THE CONTRACTOR SHALL CONSULT WITH INSIGHT ENGINEERING COMPANY TO
<br /> C�L C�L RESOLVE ALL PROBLEMS PRIOR TO PROCEEDING WITH CONSTRUCTION.
<br /> INSTALLATION NOTES � � � � � This Record Drawing has been prepared, in part, based
<br /> � ' ' '� on "As-Built" information provided by others.Though
<br /> 1. C�NTRACTOR TO PRO�IOf ALL LABOR, EQUIPMENT, MATER/ALS AND ` ' � � � �
<br /> - � "� i � , �, + the as-built information and this drawing are based on
<br /> lNCIDENTALS REQUIRED TO OFFLOAD AND INSTALL THE SYSTEM AND , � , � ;,� :r � '. the best available information, no presumption shouid
<br /> APPURTENANCES (N ACCORDANCE WITH THIS DRAW/NG AND THE � o ;i � � s €: `;� j be made r ard� gthe drawing's accuracy.
<br /> MANUFACTURERS SPEC/FICATIONS, UNLESS OTHERWISE STATED lN
<br /> .. . .
<br /> MANUFACTURERS CONTRACT. �--�-- - - `'' � ` " ' ��_ � - ;I,-
<br /> 2. UNIT MUST BE INSTALLED ON LEVEL BASE. MANUFACTURER � �F: � ���� Si ed By � Date
<br /> RECOMMENDS A M/N/MUM 6" LEI/EL ROCK BASE UNLESS SPECIFIED BY 5" 6=4" 5" 5" � �6 4/N-�O�E„�� N �5" �
<br /> THE PROJECT ENGINEER. CONTR,4CTOR /S RESPONSIBLE TO �ERIFY �C Permitlnspector INSIGHT ENGINEERING CO. �
<br /> PROJECr ENGINEERS RECOMMENDED BASE SPECIFlCArIONS. 7'-2" 4'-10" Pri nt a me &Titie
<br /> 3. ALL P/PES MUST BE FLUSH WITH iNSIDE SURFACE OF CONCRETE. E LEVATI O N V I E W R I G HT E N D V I E W
<br /> P.O. BOX - 1478 '
<br /> (P/PES CANNOT INTRUDE BEYOND FLUSH). lNI/ERT OF OUrFLOW PIPE EVERETT, WA 98206
<br /> MUST BE FLUSH WITH DJSCHARGE CHAMBER FLOOR. ALL GAPS (425) 303-9363 (425) 303-9362 FAX
<br /> AROUND P/PES SHALL BE SEALED WATER TIGHr WITH A NON-SHRINK INFO@INSIGHTENGINEERING.NET
<br /> GROUT PER MANUFACTURERS STANDARD CONNECTION DE7AiL AND SHALL
<br /> MEET OR EXCEED REG/ONAL PlPE CONNECTION STANDAROS. SITE ADDRESS: 12704 BOTHELL-EVERETT HW
<br /> 4. CONTRACTOR TO SUPPLY AND /NSTALL ALL EXTERNAL CONNECTING EVERETT, WA 98208
<br /> P�PEs. INTERNAL BYPASS DISCLOSURE: TREATMENT FLOW (CFS) 0.05o TAX ACCOUNT N0.'S: 28053000400200
<br /> 5. CONTR,4CTOR RESPONSIBLE FOR /NSTALLAT/ON OF ALL RISERS,
<br /> MANHOLES, AND HATCHES. CONTR,4CTOR TO GROUT ALL MANHOLES AND THE DESl6N AND CAPACITY OF TNE PEAK CON�EYANCE METHOD TO BE REliIEWED OPERATING HEAD (FT) 2,¢ REV. N0. DESCRIPTION INITIALS DATE
<br /> HATCHES TO MATCH F/NISHED SURFACE UNLESS SPECIFIED OTHERWISE. AND APPROI/ED BY THE ENGINEER OF RECORD. HGL(S) AT PEAK FLOW SHALL BE
<br /> 6. DR/P OR SPRAY lRRIGATION REQU/RED ON ALL UNITS WITH 1/EGETATION. ASSESSED TO ENSURE NO tJPSTREAM FLOODING. PEAK HGL AND BYPASS PRETREATMENT LOADlN6 RATE (�PM/SF) 1.8
<br /> GENERAL NOTES CAPAClTY SHOWN ON DRAW/N� ARE USED FOR GUIDANCE ONLY. WETLAND MEDIA LOADlNG RArE (GPM/SF) 1.0 Q,o� R s k
<br /> �1`9 NE 1/4, SE 1/4, SEC.30, T.28N.,R.SE., W.M.
<br /> 1. M A N U FA C T U R E R T O P R O�/D E A L L M A T E R/A L S U N L E S S O TH E R W/S E N O T E D. n�PRooucr�scRie��ureF- P R O P R/E T A R Y A N D C O N F I D E N T/A L: , M W S'L-4-6 3 3-G-U G ~ti� ��'�
<br /> Z ALL D/MENSIONS, ELEVATIONS, SPECIFIGATIONS AND CAPACITIES ARE SUBJECT TO P����ONf OR�ORE OF ' �.� � �'� B I G P A R K I N G E X P A N S I O N
<br /> CHANGE. FOR PROJECT SPECIFIC DRAW/N6S DErAILING EXACT DIMENSIONS, WEI�NTS �5,2 2��N470,362,•��,378,• PROP�oF�ur w�Nw�ErcaNvos srs�iEu air�E s� B I� �` '� C I��� S T O R M W A T E R B I O F I L T R A T I O N S Y S T E M � � - t7� � ' '
<br /> AND ACCfSSOR/ES PLEASE CONrACT MANUFACTURER. e,so3s�s,�Rezn�o FOR�cN REPRODUCII(1N/N PAR7'OR AS A WHOLf W/MOUT 1HE WRlTTEN ,.a � OWG FILENAME DESIGNED BY: DATE: SCALE: JOB NO.:
<br /> PA7EM5 OR OINER PATfN15 PfND/NG PERMISSION��ODUR N�7lANDS SYSTEMS!S PROHIB/1fD. A Forterra Com n STANDARD DETAIL q
<br /> � 3649 4, ,� 150712-AB.DWG JRC 08-15-2017 1"=20' �5-��I Z
<br /> t{ GI$T'��Cj�
<br /> 2 MWSD�'TAIL ���0'���' �� AS-BUILT s�f�
<br /> C4.1 N.r.s.
<br /> 03/05/202o STORM TANK PLAN C4.1
<br /> AND DETAILS
<br />
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