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SW 1/4,SEC 07,TWP 28N, R05E W.M. <br /> cV <br /> LOy m E <br /> O <br /> �d o <br /> � O <br /> >a <br /> LU 0 NOTES <br /> O y 1. CATCHBASIN INSERTS SHALL BE REMOVED AT THE w S"MA%� END OF THE PROJECT. <br /> N DRAINAGEGRATE TRIM r <br /> V 2. CATCH BASIN INSERTS ARE ONLY TO BE INSTALLED IN <br /> DRAINAGE DEVICES PER THE MANUFACTURES'S O 3 <br /> RECOMMENDATIONS.CATCH BASIN INLET INSERTS N c> <br /> GRATE FRAME OVERFLOW BYPASS SHALL BE INSTALLED IN CURB INLETS. <br /> J o EE m <br />'J d' BELOW INLET GRATE 3. CATCH BASIN INSERTS SHALL BE INSTALLED PRIOR TO <br /> aj <br /> l!Jl! g SEDIMENT DEVICE AND DEBRIS CLEARING AND GRADING ACTIVITY,OR UPON <br /> r <br /> 11J PLACEMENT OF NEW CATCH BASIN. F m <br /> FILTERED WATER 4 <br /> 4. SEDIMENT SHALL BE REMOVED FROM THE UNIT .? <br /> WHEN IT BECOMES ONE THIRD FULL OR IN <br /> ACCORDANCE WITH THE MANUFACTURES' <br /> INSTRUCTIONS. Z <br /> 5. SEDIMENT REMOVAL SHALL BE ACCOMPLISHED BY <br /> REMOVING THE INLET INSERTS,EMPTYING,AND <br /> RE-INSTALLING IT INTO THE CATCH BASIN.DO NOT <br /> WASH SEDIMENT INTO STORM DRAINS WHILE <br /> CLEANING. <br /> 6. SIZE THE BELOW INLET GRATE DEVICE(BIGD)FOR THE Z <br /> STORM WATER STRUCTURE IT WILL SERVICE. 2 <br /> 7. THE BIGD SHALL HAVE A BUILT-IN HIGH-FLOW RELIEF SECTION VIEW <br /> SYSTEM(OVERFLOW BYPASS). A B TYPE 11 QUARRY SPACES OVAL'OFF Tti <br /> \ <br /> 8. THE RETRIEVAL SYSTEM MUST ALLOW REMOVAL OF \//\// / L ryY <br /> THE BIGD WITHOUT SPILLING THE COLLECTED <br /> MATERIAL. \//%\/\//\// / <br /> 9. PERFORM MAINTENANCE IN ACCORDANCE WITH / /��/��/\/ CONT. HIGH VISIBILITY <br /> RETRIEVAL SYSTEM STANDARD SPECIFICATION 8-01.3(15). //�/� CONSTRUCTION FENCE, <br /> TYPICAL CHECK DAM SPACING ��'�/�' TENSAR OR EQUAL <br /> DRAINAGE GRATE L=THE DISTANCE SUCH THAT POINTS A AND B ARE OF EQUAL ELEVATION <br /> a <br /> TYPE II QUARRY SPALLS MUST COMPLETELY COVER <br /> THE BOTTOM AND SIDES OF THE DITCH <br /> BELOW INLET GRATE WSDOT STD PLAN I-00.20-00 ACCEPTABLE SUBSTITUTE IF <br /> DEVICE OVPERCFALOW BYPASS MAINTENANCE MEETS NOTES 1-5 <br /> j CITY OF EVERETT ��\�\\ _ /\\�/�4"MIN. METAL FENCE POSTS Q <br /> PUBLIC WORKS DEPARTMENT (Typ,) J z <br /> .:A"IM-Lm ,..E 12/ 036 10'MAX. g <br /> " <br /> ISOMETRIC VIEWSTORMDRAIN INLET30 2 <br /> PROTECTION 210 CROSS SECTION ROCK CHECK DAM N� o <br /> I L <br /> °z <br /> STORM DRAIN INLET PROTECTION ROCK CHECK DAM CONSTRUCTION FENCE O <br /> NOT TO SCALE NOT TO SCALE NOT TO SCALE '_ <br /> 9) I— <br /> cn <br /> I L CA� <br /> Uj CL <br /> 2' 2' z co <br /> or_ <br /> O O J <br /> LU <br /> ;� 4� U U Q k <br /> 18"MIN. 12"COMPACT J V) W. <br /> DEPTH QUARRY SPACES m <br /> OPEN PIPE END AT DESIGN W.S. ROCK LINED O 6_ o <br /> 2 0 STEEL PIPE OR METAL STAKE, NOTES., LL L <br /> EMBED IN CONCRETE BASE OR EQUIVALENT ANCHOR 1. EARTH OR GRASS LINED DITCHES MAY ONLY BE USED WITH PRIOR APPROVAL OF THE <br /> SEDIMENT TRAP SUPPORT APPROVED BY ENGINEER COUNTY INSPECTOR AND WHERE LONGITUDINAL SLOPES OF 6Z OR LESS AND A MAXIMUM <br /> TOP OF BERM(PER PLAN) FINISHED GRADE FLOW VELOCITY OF 5FPS EXISTS. CLIENT <br /> (SEE PLAN) 2 <br /> AS REQUIRED TO ROCK CHECK DAMS SHALL BE USED IN EARTH OR GRASS LINED DITCHES FOR SLOPES <br /> MAINTAIN CONE 6" SECURE TUBING TO PIPE SUPPORT �' GREATER THAN 3X FOUR CORNERS,LLC <br /> APPROXIMATELY MIN. WITH STRAPPING AT 12"O.C. MIN / / J. 19000 NE 8TH STREET <br /> 4.5'FOR D=2' / ROCK LINED DITCHES SHALL BE USED WHEN SLOPES EXCEED 69 OR FOR FLOW VELOCITY SUITE 1200 <br /> W.S. ELEV. =SEE TABLE - ) GREATER THAN 5FPS. BELLEVUE,WA 98004 <br /> T MAINTENANCE STANDARDS: <br /> 12"MIN. TED __ <br /> (425)453-9551 <br /> PERFORATED POLYETHYLENE i. ANY SEDIMENT DEPOSITION OF MORE THAN 0.5 FEET SHALL BE REMOVED SO THAT THE CHANNEL <br /> TUBING OR PLASTIC PIPE -- /J� ��/ IS RESTORED TO ITS DESIGN CAPACITY. <br /> - <br /> 2. IF THE CHANNEL CAPACITY IS INSUFFICIENT FOR THE DESIGN STORM, IT MUST BE DETERMINED <br /> a GRAVEL FILTER, CLEAN FREE 1 MAXYP., - -- �� WHETHER THE PROBLEM IS LOCAL(E.G., A CONSTRICTION OR BEND)OR THE CHANNEL IS C P H <br /> 8 DRAINING GRAVEL MATERIAL UNDERDESIGNED. IF THE PROBLEM IS LOCAL, THE CHANNEL CAPACITY MUST BE INCREASED <br /> OUTLET PIPE WHERE THROUGH CONSTRUCTION OF A BERM(S)OR BY EXCAVATION. IF THE PROBLEM IS UNDERDESIGN, <br /> / `Y / SHOWN ON PLAN THE DESIGN ENGINEER SHALL BE NOTIFIED AND THE CHANNEL REDESIGNED TO A MORE <br /> BOT. ELEV.=SEE TABLE 6" / CONSERVATIVE STANDARD TO BE APPROVED BY SNOHOMISH COUNTY. CONSULTANTS <br /> 3. THE CHANNEL SHALL BE EXAMINED FOR SIGNS OF SCOURING AND EROSION OF THE BED AND Ve PlannIng•Cidl Engineetlng <br /> SOLID 90'BEND u0 z-. �'. BANKS. IF SCOURING OR EROSION HAS OCCURRED, AFFECTED AREAS SHALL BE PROTECTED BY Landscape ArchitecNre•Land Use Cor�ulM1ng <br /> /- RIP-RAP OR AN EROSION CONTROL BLANKET OR NET. 11321-3NEIAnh S.0 <br /> Kirkland WA 98034.1425)2952390 <br /> i< 1015wIh Wenatchee Avenue.SVJe0 <br /> 3 F 18'SQ Wenatchee.WA 98831•(50 91 2 931131 <br /> GRAVEL CONE MIN PROJ <br /> TEMPORARY INTERCEPTOR DITCH • www.ephaansaNaNe.aam <br /> ECT N0. <br /> NOT TO SCALE NOT TO SCALE 0024-18-042 <br /> iM <br /> e Q <br /> a G DRAWING <br /> C1.100 <br /> Know what's below. <br /> Call before you dig. <br /> a <br /> SHEET 6 OF 21 <br /> cown&®zozo wM co a i a.zn—xma. <br />