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SE 1 /4, NE 1 /4 SEC 11 , T. 28 N . , R . 4 E. , W . M .
<br /> REQUIRED TOP SURFACE W�RE BACKED FILTER FABRIC FENCE,
<br /> AREA=��H7rJ SF KEY INTO SIDE SLOPES TO PREVENT FLOW
<br /> AROUND SIDES
<br /> POND LENGTH > 3x POND WIDTH EMERGENCY
<br /> OVERFLOW
<br /> SPILLWAY
<br /> FILTER
<br /> FABRIC
<br /> , FENCE
<br /> INFLOW '',� PROVIDE ADEQUATE
<br /> � °��o I � CORRUGATED
<br /> --_� � w �' STRAPPING
<br /> � 4�� ' Z � i POLETHYLENE CAP METAL RISER
<br /> �� °�o ' d � � � EMBANKMENT COMPACTED 95%.
<br /> LEVEL BOTTOM ` � 0 ;� 6 M I N. W I D T H PERVIOUS MATERIALS SUCH AS PERFORATED POLYETHYLENE
<br /> GRAVEL OR CLEAN SAND SHALL DRAINAGE TUBING, DIAMETER
<br /> � NOT BE USED MIN. 2" LARGER THAN
<br /> ° ` g`�� �
<br /> � o CREST OF DEWATERING ORIFICE.
<br /> ° � RISER PIPE (PRINCIPAL EMERGENCY TUBING SHALL COMPLY
<br /> � °o go °°'� SPILLWAY) OPEN AT SPILLWAY „ WITH ASTM F667 AND WATE TIGHT TACK Z
<br /> � p�'O��Q� TOP/TRASH RACK M N AASHTO M294 COUP ING WELD o
<br /> i .,�� � N
<br /> � DEWATERWG DEVICE
<br /> ' ; (SEE RISER DETAIL) MAX. - - ----
<br /> - - - - - -
<br /> - . , 3 - - - - - - _- _ / �
<br /> OUTLET PIPE _ 3 � �-- ---- -- - -_ / �,\`
<br /> RISERPIPEW/ � ,�� - - - - - - - - - - - - 2MAX. - - -- - - 3 - -
<br /> �� WEIGHTEDBASE - - - - - - - - - - - - - - �1 6" MW. � � � z I
<br /> 12 FREEBOARD - - - - - - - - - - - - - - - - -
<br /> �
<br /> , � -i � �/ � �.._ _
<br /> PROVIDE A REBAR 12"SPILLWAY EMERGENCY -- - - - ', � L- � // \/���j
<br /> TRASH RACK ON -- - - I - --� , % ,��i" �%�� . ,\�\,�� _J`''�'-
<br /> DEPTH OVERFLOW � '' - 'J ! , � /, ,� �� �
<br /> RISER PIPES > 18" SPILLWAY �`� �� � ��,�
<br /> A DEWATERING ORIFICE,
<br /> ., �,�.
<br /> RISER PIPE, OPEN 6' MIN CREST � 2x RISER I SCHEDULE. 40 STEEL
<br /> o AT TOP (PRINCIPAL WIRE-BACKED CONCRETE BASE
<br /> CONCRETE DIAM. MIN. TUB MIN. DIA
<br /> v SPILLWAY) OUTLET (SEE RISER DETAIL) DISCHARGE TO STABILIZED BASE AS PER CALCULATIONS
<br /> w
<br /> FILTER FABRIC
<br /> � DEWATERING DEVICE ' PIPE FENCE OR DEWATERING CONVEYANCE, OUTLET OR
<br /> \ �/\ EQUIVALENT DIVIDER ORIFICE LEVEL SPREADER
<br /> � _ %/� �� FILTER � .851N
<br /> J ; / FABRIC DIAMETER
<br /> � � �1 FENCE
<br /> 3 = �
<br /> -o a �,r 3
<br /> w o N 1•5� r __ MAINTENANCE STANDARDS: ALTERNRTIVELY, META�
<br /> �
<br /> 1. S E D I M E N T S H A L L B E R E M O V E D F R O M T H E A S T A K E S A N D W I R E M A Y B E
<br /> � /� � ��� `/ POND WHEN IT REACHES 1' IN DEPTH. USED TO PREVENT FLOTATION
<br /> . , ' I L °
<br /> � :� � \ ���'� V';�. `�. L� �� ��i, ��� ' ;!1 \ . �
<br /> � /�� 2. ANY DAMAGE TO THE POND EMBANKMENTS
<br /> ��� �� � � ���� � OR SLOPES SHALL BE REPAIRED.
<br /> o i
<br /> o LEVEL GRADE ��"�' �� ��'��� �\
<br /> � MIN 2' SETTLWG DEPTH WEIGHTED BASE ENERGY
<br /> � TO PREVENT DISSIPATING
<br /> a SEDIMENT STORAGE,
<br /> o FLOTATION ROCK
<br /> � 0.5'-1.5'TYPICAL
<br /> � 3' MAX DEPTH
<br /> �
<br /> .`
<br /> � DEPTH ASSUMED AT SECTION THROUGH OUTLET
<br /> �' 3.5 FT
<br /> w
<br /> s
<br /> �
<br /> �
<br /> .�
<br /> .�
<br /> � �� � 5 11 2011
<br /> � � 5J11/2011 '�''���'�������' CITY OF EVERETT SEDIMENT POND 5/11/2011 CITY OF EVERETT RISER DETAIL � �.
<br /> � CITY �F EVERETT Date: CR��JS-SECTION Date. �ate.
<br /> �� PUBLIC WORKS SEDIMENT POND EXAMPLE PUBLIC WORKS EVERETT PUBLIC WORKS
<br /> � E� ETT DEPARTMENT 2 � 7 ��RE� DEPARTMENT 2 � 8 � DEPARTMENT 2 � �
<br /> � OE Std Dw : OE Std Dw : COE Std Dw :
<br /> 3
<br /> �
<br /> `� 3 *CONSTRUCTION SEQUENCE 22. INSTALL PEDESTRIAN CONCRETE PAVING.
<br /> `D 1 . CONTRACTOR TO SUBMIT COMPLETED SWPPP IF THEY CHOOSE TO REVISE THE PPP 12• AS WEATHER AND GRADING LIMITATIONS ALLOW, BEGIN SITE CLEARING AND ROUGH
<br /> � ALREADY PROVIDED IN THE DRAINAGE REPORT. GRADING. INSTALL ADDITIONAL TESC MEASURES AS NEEDED TO CONTAIN ALL SILT 23. STABILiZE EXPOSED EARTH SITE AREAS WITH SEEDING OR LANDSCAPING PER P�N. '. PLAN APPROVED
<br /> � RUNOFF ON SITE.
<br /> � 24. CLEAN AND TEST STORM DRAINAGE SYSTEM. t.'� ,� ,,�,����,.C�/J / t��- � =�
<br /> 0 2. ATTEND PRE-CONSTRUCTION M I G WITH THE CITY. 13. INSTALL DETENTION VAULT. vue�t vic�.s �on "'� "
<br /> � 3. BEFOR� PERFORMING ANY CLEARING OR GRADING THE CONTRACTOR SHALL MARK IN 25. ASSURE THAT ENTIRE SITE IS STABILIZED TO THE SATISFACTION OF THE CITY. ,��
<br /> THE FIELD, THE LIMITS OF ALL PROPOSED CLEARING AND GRADING, RECEIVE CITY S 14. INSTALL ALL UNDEftGROUND STORM SEWER AND WATER COMPONENTS. STORM DRAIN DRAINAGE EROSIUN
<br /> I- ' ' t PU6'tiXC Ftlfi4'K�
<br /> �� APPROVAL, AND THEN INSTALL HIGH VISIBILITY FENCWG. INLET PROTECTION SHALL BE ADDED TO EACH NEW CATCH BASIN (GRATED LID 26. REMOVE TESC MEASURES WITH APPROVAL FROM CITY INSPECTOR. � c;�t,�,a�zrr}�r.�r
<br /> CATCH BASINS) AS SOON AS THE CATCH BASIN INSTALLATION HAS BEEN WATER 1 _.
<br /> 0 4. INSTALL PERIMETER SILT FENCING, CATCH BASIN INSERTS AND TEMPORARY COMPLETED. * THE SEQUENCE OF CONSTRUCTlON OUTLINED ABOVE IS PROVIDED TO THE CONTRACTOR a " ` ",`"" ° �'�" '
<br /> I k�-,u K �:��N �, :,� s. �
<br /> � CONSTRUCTION ENTRANCE. AS AN AID TO UNDERSTANDING THE RELATIONSHIP OF THE VARIOUS GENERAL ITEMS OF � SEWER �,�.., �,h ,, �H h ; f
<br /> � 15. CONSTRUCT RAIN GARDEN. REMOVE ONLY PORTIONS OF SILT FENCE NECESSARY WORK. ALL WORK OUTLINED IN THE DRAWWGS AND SPECIFICATION TO MAKE A COMPLETE _ 1 ��'�•�� �n F�k � =5 {
<br /> N : S �.' itl T,�s.slAL G�i
<br /> F O R A C C E S S AN D C O N S T R U C T I ON. CONS T RU C TI ON MACHINERY TO OPERATE FROM rw►�� c �.t ����,�a� �K � ��� �
<br /> 0 6. INSTALL PERIMETER CONSTRUCTION SITE SECURITY FENCING. INSTALLATION IS REQUIRED REGARDLESS OF THE INCLUSION OF THE GENERAL SEQUENCE ;K*,� /,, ��_UNLE53x �
<br /> � THE OUTSIDE OF THE RAIN GARDEN AREA DURING EXCAVATION ACTIVITY. ABOVE. PORTIONS OF SOME ACTlVITIES CAN BE COMPLETED CONCURRENTLY. THE ' v �� � ��� « ����ma�+��-� !
<br /> � �
<br /> � 7. CONSTRUCT OVERFLOW CONVEYANCE SYSTEM FROM CB 12 TO CB 3581. CONTRACTOR MAY SUBMIT ALTERNATIVES TO THIS CONSTRUCTION SEQUENCE WITH THEIR NGINE i - �� _ �
<br /> , __._ __ _____�...__.
<br /> � 16. BEFORE LAYING ANY CURBS OR PAVEMENT, INSTALL COMFORT STATION. CONSTRUCTION SCHEDULE. ALTERNATIVES WILL BE APPROVED IF THEY MEET THE PERMIT
<br /> U
<br /> a8. INSTALL SILT FENCING AROUND PERIMETER OF RAIN GARDEN. SILT FENCE TO � 7, INSTALL ALL CONDUIT FOR SITE LIGHTING, SURVEILLANCE, IRRIGATION, ETC. REQUIREMENTS, PROJECT CONSTRUCTABI�ITY GOALS AND PROJECT TIMELINE.
<br /> - PREVENT SEDIMENT LADEN CONSTRUCTION RUNOFF FROM ENTERING THE RAIN GARDEN
<br /> �� AREA, AS WELL AS PREVENTING CONSTRUCTION MACHINERY FROM WORKING IN THESE 18. INSTALL LIGHTING AND SURVEILLANCE COMPONENTS. �
<br /> � AREAS, THEREBY MINIMIZING THE COMPACTiON OF NATIVE SOILS BELOW.
<br /> � 9. CONSTRUCT TEMPORARY SEDIMENT POND AND TEMPORARY INTERCEPTOR SWALES. 19. INSTALL ALL SITE CURBING. , �
<br /> �
<br /> � 10. CONSTRUCT A TEMPORARY CONTAINMENT AREA TO STORE ANY HAZARDOUS MATERIAL 20. PAVE THE DRIVE AREAS.
<br /> x AND PETROLEUM PRODUCTS ON-SITE (IF ANY�. 21 . tNSTALL BUS SHELTERS AND OTHER AMENITIES. �
<br /> " tsTqo Know what s belOW. 3
<br /> a 1 1 . DETERMINE AND MARK CONSTRUCTION STAGING AND PARKING AREAS. �� A �, C11I before you dig.
<br /> � �
<br /> 16 17 CHANGE ORDER N0.1-RESPONSE TO CITY PERMIT COMMENTS MC DS � Q' � C 0 M M U N ITY TRAN S IT �rawing No.
<br /> a � Drawn By Date SCALE
<br /> M P E RT E E T �-���t��.��� � �y t� +� � Designed By 5 9 17 Horiz EC D 1
<br /> � � '� 33807 SEAWAY TRANSIT CENTER
<br /> � 2707 COLBY AVENUE,surrE 900 ��� ���������� � ' � � �-��� ��'�£c��a�� �.`� P E RM IT S ET 5 s ��
<br /> f' �� Checked By �e�} Sheet No.
<br /> � EVEREIT,WA 98201 � � °�� � s��l��� �,��' 5 9 1�
<br /> N 9
<br /> o A roved B Pro'ect Number
<br /> � 425.25z.noo � Soo.615.9900 � _ _ ,? PP y 201 10155.027 E R 0 S I 0 N C 0 N T R 0 L D ETA I LS of T 1tal
<br /> � No. Date Revision By Appr.
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