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,, TWP ., R5E W.M. <br />N <br />W <br />O <br />m< <br />T <br />C\, <br />o- <br />IN <br />FINISHED GRADE <br />LOCKING MANHOLE CEMENT GONG, MANHOLE <br />COVER AND FRAME RISER OR RINGS, AS REQ'D. (TYP.) <br />_. <br />MIN., 1 MAX. CLR.; FILL GAP <br />L4—� �� t /FU <br />LL DEPTH FLEXIrnLE JOINT <br />s \\�% MATERIAL OR CONT. GASKET <br />\\\ \ BETWEEN CONC. COLLAR AND RISF? <br />(RECYCLED VINYL OR EQUIV.) <br />TYP. CLASS �000 CIP CEMENT CONC. <br />COLLAR (TYP.) <br />COMPACTED <br />PIPE BEDDING <br />12" RISER, INTEGRAL TO DETENTION TANK <br />ACCESS LADDER, (BY MFR.) <br />WELD OR BOL T TO <br />RISER (BY MFR.) _ <br />DETENTION TANK, SEE NOTE 3 <br />ON TYP. DETENTION TANK <br />rj FACILITY SECTION THIS SHEET <br />( (TYP.) <br />NOT TO SCALE <br />DETENTIOh <br />SIZE AND <br />PERPLAN <br />Ifu c✓,m,n. c.t✓,a,v. ,Vlrt,�ra,ty� <br />PIPE, PER PLAN <br />"ST-1N®PLACE <br />INC. COLLAR AT <br />'CESS RISER <br />OCKING MANHOLE COVER <br />FRAMEiND <br />PRE-MFR. 36" <br />ACCESS RISER <br />PIPE" ZONE BACKFILL <br />PER WSDOT SPEC. <br />SECTION 7-06.3(3) <br />RAVEL BACKFILL FOR PIPE <br />'ONE BEDDING PER WSDOT <br />PEC. SECTION 9-03.12(3) <br />NOTES. <br />1. TANK SYSTEM SHALL BE DESIGNED TO SUPPORT A MINIMUM H30 TRAFFIC LOAD. TANK MANUFACTURER SHALL PROVIDE CALCULATIONS AND SHOP <br />DRAWINGS STAMPED BY A PROFESSIONAL ENGINEER LICENSED IN THE STATE OF WASHINGTON VERIFYING TANK CAPACITY AND COMPLIANCE WITH ALL <br />PROJECT REQUIREMENTS. <br />2. ALL TANKS SHALL MEET THE STRUCTURAL REQUIREMENTS FOR OVERBURDEN SUPPORT UNDER A MINIMUM HS-20 TRAFFIC LOADING. <br />3. DETENTION TANKS SHALL COMPLY W/ REQUIREMENTS SET FORTH IN SECTION 4-4.4(2) OF COE 2016 DESIGN AND CONSTRUCTION STANDARDS AND <br />SPECIFICATIONS FOR DEVELOPMENT. MATERIAL OF DETENTION TANK, RISER, AND CONN. PIPES SHALL BE 12 GAGE MIN. CORRUGATED ALUMINUM. <br />4. RIM ELEVATIONS SHALL BE ADJUSTED AS REQUIRED TO ACCOMMODATE ACTUAL ACCESS LOCATIONS AND FINISHED GRADE CONDITIONS, <br />5. ALL UNSUITABLE SOILS SHALL BE REMOVED FROM FOOTPRINT OF TANK AND TO A DISTANCE BEYOND THE TANK EQUAL TO THE DEPTH OF OVER EXCAVATED <br />MATERIAL IN ACCORDANCE WITH THE PROJECT PLANS AND SPECIFICATIONS, AND AS DIRECTED BY THE ENGINEER. ALL UNSUITABLE MATERIAL SHALL BE <br />REPLACED WITH SUITABLE COMPACT STRUCTURAL FILL MATERIAL. <br />6. ANY DISCREPANCIES BETWEEN THE APPROVED CIVIL AND STRUCTURAL PLANS REGARDING ACCESS RISER HEIGHTS AND/OR LADDER LOCATIONS SHALL BE <br />GOVERNED BY THE APPROVED CIVIL PLANS. <br />7. DETENTION TANK SHALL BE INSTALLED IN ACCORDANCE WITH CITY OF EVERETT STANDARD DRAWING NO. 418. <br />FACILITYTYPICAL DETENTION TANK <br />NOT TO SCALE <br />q <br />1Em33.63 <br />78" DETENTION TANK <br />LO <br />IE=36.70 <br />- -. --- -, <br />0— <br />54" DETENTION TANK <br />18' DIAM. FLOW <br />STRUCTURE ASSEMBLY <br />(CONN. PIPE) <br />) '' DIAM. FLOW <br />STRUCTURE ASSEMBLY <br />FINISH GRADE <br />LOCKING MANHOLE <br />COVER AND FRAME <br />4. ORIFICE, IE®37.23 <br />4. ORIFICE, IE=36>88 <br />FLOW TO <br />SSMH #21207 <br />WATERTIGHT <br />GASKETED JOINT <br />LOCKING MANHOLE <br />COVER AND FRAME <br />FLOW TO <br />CB65 -- <br />WATERTIGHT <br />GASKETED JOINT <br />(CONN. PIPE) <br />CS02 <br />TYPE 2-72" DIAM. <br />CATCH BASIN G <br />REMOVABLE PIPE SECTION 1.8125" DIAM. ORIFICE <br />w/SOLID END PLATE <br />FLOW CONTROL STRUCTURE - CS02 <br />NOT TO SCALE <br />- a - <br />J <br />� <br />U) <br />cc <br />IX <br />a <br />U) <br />IX <br />= <br />a <br />z <br />00191 <br />M <br />z <br />0 <br />c� <br />eel <br />0 <br />0 <br />UJ <br />z <br />U) <br />2 <br />cc <br />LU <br />Ld <br />ILL <br />c� <br />CLIENT <br />RIVERVIEW I, LL <br />10900 NE 8TH STREET <br />SUITE 1200 <br />BELL EVUE, WA 98004 <br />PHONED (425) 453-9551 <br />4 <br />T <br />TIN g <br />V= 11 V� CP <br />fIT <br />LTA <br />r Site Planning ® Civil Engineering <br />Land Use Consulting ® Project Management <br />11431 Willows Rd. NE, Suite 120 <br />Rp- � i ' � ' ' Redmond, WA 98052 <br />Phone: (425) 285-2390 1 FAX: (425) 285-2389 <br />www.cphconsultants.com <br />PROJECT NO. <br />0024-17-037 <br />s <br />q v DRAWING <br />o <br />20 <br />Know what's below.- <br />Call before you dig. SHEET 25 OF 47 <br />Copyright© 2019 CPH Consultants, LLC. All Rights Res@rved.• <br />