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• <br /> • <br /> 18" <br /> O.C. in ,r v co I Q <br /> r_2 , 1, co CO co co lc L_, <br /> 1 , <br /> I ct <br /> 2»� MIN MIN 1 1 LOCATE DRAIN ' o Cr) <br /> I 25'FROM R.O.W. , 1 <br /> I END CAP OR PLUG 1 <br /> 1 IF DRIVEWAY 1 <br /> 700 SQ. FT MAX. SLOPES 1 ct <br /> NOTCHED GRADE / BETWEEN BERMS TOWARD STREET' <br /> BOARD, 2 x2„ CLEAN OUTWYE FROM PIPE cH 1 / <br /> �� <br /> NOTCHES 18" 0.C. 4 OR 6 PERFORATED <br /> PIPE LAID FLAT/LEVEL <br /> z o TYPE 1 WITH SOLID DOPE <br /> Q IVEWAY <br /> A A COVER (LOCCB KING) R <br /> -]r r �fi <br /> �.,� 1 Zi r r k <br /> 0 4 INFLUENT PIPE (MAX DESIGN r II I �`r -I.- <br /> FLOW S 0.5 CFS PER TRENCH) 77,7, . ----r- <br /> INS -I_ :�rrr�/r: <br /> O v v I i• ___i= ' �.rrrZr: <br /> CLEAN OUTWYE FROM PIPE i ' / <br /> 25' VEGETATED / ' 25' <br /> _�' 1 FLOWPATH " <br /> v <br /> \ / SEGMENT ,' ,' <br /> PLAN <br /> ' DIAGONAL BERM WITH <br /> 25' MIN NTS DISPERSION TRENCH. <br /> VEG. FLOW PATH PLAN- DRIVEWAY DISPERSION TRENCH <br /> NTS <br /> 2"x 12" PRESSURE <br /> TREATED GRADE n PIPE O.D. N'lh \o <br /> BOARD 1' 1' X 2-4" // ; 1>-Q <br /> GALVANIZED BOLTS MIN MIN *20% MA /1' �I Li IL] <br /> O w <br /> ,- MAX 1 , o I I=III= 6" MIN. I _ W <br /> 1 I I- <br /> x I III=III=I BERM DETAIL II 1 <br /> —ifi--Elv _�I ,_I I NTS 1 <br /> ;III :� 1 }MIN.2%1 1 <br /> CROSS 1 RIVEWAY <br /> 4" <br /> x4 SUPPORT . ri <br /> 4 OR 6PERFORATED SLOPELOPEPIPELAIDFLAT /l6" MIN �/ IT"•-IEz::Piz:_±za77DSro. <br /> `-•- ..T25,i rI I- ��At� <br /> - <br /> FILTER FABRICr�rr�rCLEAN (s590 FINES) .- T rr1-1/2"-3/4" WASHEDROCK -q rrSECTIONA—A ,' CRUSHEDy �F r rr rrlNTS *15MAXFORFLOW ,' ROCKSTRO r <br /> CONTROL/WATER QUALITY / ,' LOCATE DRAIN 25'FROM <br /> ROOF DRAIN TRENCH TREATMENT IN RURAL AREAS /' R.O.W. IF DRIVEWAY <br /> PROPOSED ROOF AREA = 348 SF SLOPES TOWARD STREET <br /> 10 LF OF TRENCH REQUIRED PER 700 SF ROOF AREA <br /> REQUIRED TRENCH LENGTH= 348 SF x 10 LF / 700 SF = 0.50' PLAN— SHEET FLOW DISPERSION FROM A DRIVEWAY <br /> DESIGNED TRENCH LENGTH= 10' NTS <br /> SHEET FLOW DISPERSION FOR DRIVEWAYS <br /> FIGURE V-3.2 - 2019 SWMMWW <br /> SPLASH BLOCK FOR ROOF SPLASH BLOCK FOR <br /> AREA C RODF C (608 SF) ROOF AREA B <br /> ROOF DRAIN SPLASH BLOCK FOR ROOF��` � � <br /> � — 1 ROOF B (685 SF) <br /> AREA D , lo, <br /> ♦♦� <br /> L.J ROOF D (94 SF)— ^ I ♦♦14 <br /> OUTFLOW <br /> SPLASH BLOCK —'� 4N#1 <br /> 1% MIN. �I♦♦� 2X10 LF <br /> ENSURE THAT NO MORE THAN 700 SF. OF ROOF AREA <br /> •♦♦ DISPERSION <br /> �' ♦� <br /> FLOWS TO EACH SPLASH BLOCK. SPLASH BLOCK OUTLET i .♦♦I <br /> ROOF TRENCH AREAFOR A. <br /> TO CONTAIN A MIN. 50' VEG. FLOW PATH. _ ( + '♦♦� <br /> R 0 OF D 0 WNSP 0 UT 4 + INSTALL GUTTER BLOCK <br /> NOT TO SCALE A _+ _ \- .... APPROX. 5' NORTH OF <br /> SE ROOF CORNER <br /> ROOF A (348 SF) <br /> ROOF DRAIN DETAIL: <br /> SCALE: 1"=20' <br /> o�� �dpipiti0 CALL 811 TWO (2 <br /> r BUSINESS DAYS <br /> ,� . ,-/,i BEFORE YOU DIG <br /> p') 57009 <br /> .�4s, ISTSgCsti <br /> '' ONAL # TAX ACCOUNT NO.(S): SITE ADDRESS: <br /> 28041300204900 8829 HARDESON RD <br /> 04-05-2022 EVERETT, WA 98204 <br /> COPYRIGHT© 2022 PFN 22- <br /> W ES I DETAILS FOR: <br /> (425) <br /> y <br /> ; , LAND USE BOYKOSFR (EVERETT) <br /> ., 356-2700 SE 14 NW 14 SEC.13, T.28N R.04E W.M. <br /> CONSULTANTS <br /> ," CITY OF EVERETT, WASHINGTON <br /> PLANNING 0 ENGINEERING 0 SURVEYING DRAWN BY DATE REV. BY DATE PROJECT MANAGER SCALE <br /> NAT 03/09/22 T. SARKELA AS SHOWN <br /> * 9740 EVERGREEN WAY * EVERETT * WA * 98204 * DRAWING FILE NAME CHECKED BY F.B. NO. JOB NUMBER SHEET NO. <br /> VISIT OUR WEBSITE AT: WWW.WESI.CO 220208ABASE.DWG TAS - 22-0208-A 4 OF;) <br />