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NE1/4,NW1/4, SEC.23, T.28N.,R.4E., W.M.
<br /> CITY OFEVERETT, WASHINGTON
<br /> IMPERVIOUS AREA:
<br /> W
<br /> -,- 8ON-SITE
<br /> 0 a BUILDING ROOF 3,473 SF.
<br /> z *DRIVEWAY/PARKING 1,204 SF.
<br /> *CONC. WALKWAYS 310 SF.
<br /> TOTAL SF. 4,987 SF.
<br /> —1Q,' INGRESS/EGRESS ESM'T ��-►'r- —1,-15' INGRESS/EGRE
<br /> S (AFN 2037956) ; , ; (AFN 20379
<br /> Q, TOTAL NEW/REPLACED IMP. SURFACE = 4,987 SF.
<br /> 3`:., ' ` I I I ,
<br /> p/ `d SS -.. ,' 005. 820,005300 *NOTE: DOES NOT INCLUDE AREAS COVERED BY ROOF EAVS.
<br /> ,S --548 N89'5,
<br /> '9'50.2911, h - N8�'i' •'
<br /> ss.sr 5Kc,- -. •-•9:s75Nc�_ I k 99: DRAINAGE NOTES:
<br /> I sJz
<br /> -L, fig', �1 ryP r I I; -, 1. ROOF DRAINS ON REAR OF EACH BUILDING TO RUN INTO
<br /> DISPERSION TRENCH SIZED AT 1OLF PER 700SF OF ROOF
<br /> E Ns ST 'I i AREA. TRENCH NOT TO EXCEED 5OLF IN LENGTH. REFER TO
<br /> Re41i DETAIL ON THIS SHEET
<br /> 00 S ` �� 1111111114
<br /> 1)'F 2. CONCRETE DRIVEWAYS TO SLOPE TO THE SOUTH,
<br /> ' ' TOWARDS ADJACENT RESIDENTIAL LANDSCAPING AREAS,
<br /> Lno ' THROUGH A 2' WIDE GRAVEL TRANSITION STRIP. SEE BMP
<br /> oo 12.70 IN THE 2010 DRAINAGE MANUAL FOR DESIGN SPECS.
<br /> o ; `, 75' 1 A
<br /> co 1 /5; eSL#1; `\ '-BUFFER 1 -
<br /> O , BUFFER ' , 4
<br /> o SH '-- DISPERSION i �� BU.
<br /> TRENCH A' 5D, ''
<br /> �f�l 2'X50�F ,`L'. ,�� , ,'
<br /> TIGHLINEALL--- n i , a, o , ' _
<br /> ROOF DRAINAGES z w ` LEGENDTO DISPERSION
<br /> TRENCH ------;L- 4!----- I , TAPER 75'
<br /> o '-' I 1 BUFFER TO'50'--
<br /> BOUNDARY LINE
<br /> - I ` / 0 0
<br /> N: I uo, o� E - - EXISTING LOT LINES
<br /> N �TI CO — — EXISTING RIGHT-OF-WAY
<br /> �5' MIN. � N N
<br /> o 0
<br /> L Jo g SD EXISTING STORM DRAIN
<br /> I PROPOSED DUPLEX 1I I SQA o
<br /> PROPOSED WATER I ; 5 I o riir rill //// //// rill rii/ EXISTING EDGE OF ASPHALT
<br /> SERVICES / ,``� II I o
<br /> PRt7POSED SEWER — EXISTING CONTOUR LINE
<br /> INSTALL CB AT EX. SEhVICES
<br /> CULVERT OUTLET_ �L. 11 a j
<br /> SD-� PROPOSED STORM DRAIN 1
<br /> RIM=548.5 •5 #2' -. I ,
<br /> IE=546.44 `,
<br /> 6,09 —45' MIN \1:J PROPOSED BUILDING EAVE
<br /> PROPOSED BUILDING FOOTPRINT
<br /> - � __W547 ', ;100.00 � I 100.00, L`—�
<br /> � VV
<br /> � . W
<br /> - SS PROPOSED SEWER LINE
<br /> iii/r '- ----- -- 213LF 12" HDPE @ 0.50Z
<br /> 1�" '' r e rf r7 //•••///./7////4////)(/////////&7/e // // r / /7il / , EXISTING WATER LINE
<br /> 9- TRINSmoN STRIP PER BMP 12.70 N88'21'05"W_ \' 'o — N88'2
<br /> 7 -----N - 548 SS SS .-""...-.-- PROPOSED FLOW DIRECTIONS
<br /> a/ _;------_- ` fir. SD - 1
<br /> --547--546-----_ '-546--- _ 103RD ST. S SCALE: 1" = 40'
<br /> mom Niii
<br /> EM
<br /> 0 40 80
<br /> 108.'.
<br /> I25' MIN
<br /> f.2„ 1, 1, VEG. FLOW PATH
<br /> 2'1S MIN 1 ' 1\/ 1 2"x12" PRESSURE
<br /> TREATED GRADE PIPE O.D.
<br /> . .
<br /> END CAP OR PLUG BOARD I' 1' 10`)(/ GALVANIZED BOLTS MIN • MIN *2 %
<br /> NOTCHED GRADE ° CLEAN OUTWYE FROM PIPE
<br /> BOARD, 2"x2" . 0/ OR MO( _
<br /> NOTCHES 18" O.C. • PIPE LAID FLAT/LEVELD T - — -!:' o . a . I—I I-
<br /> _—� I I III1I -1
<br /> v TYPE 1 CB WITH SOLID z X -I I — I o III i I
<br /> A /A COVER (LOCKING)
<br /> to
<br /> '� -_ f �► IIS =1
<br /> �— Nrto I I 4,
<br /> 4
<br /> 4 INFLUENT PIPE (MAX DESIGN
<br /> ''x 4" SUPPORT
<br /> . FLOWS 0.5 CFS PER TRENCH) POST 0 O 4" OR 6" PERFORATED
<br /> •
<br /> 6" MIN _ PIPE LAID FLAT
<br /> CLEAN OUTWYE FROM PIPE -_\''' FILTER FABRIC " I—I
<br /> 1DUPLEX DISPERSION TRENCH CLEAN (S5q FINES)
<br /> PROPOSED ROOF AREA = 3,473 SF 1-1/2"-3/4" WASHED ROCK
<br /> PLAN 10 LF OF TRENCH REQUIRED PER 700 SF ROOF AREA SECTION A—A
<br /> NTS REQUIRED TRENCH LENGTH= 3,473 SF x 10 LF/ 700 SF = 49.6' NTS *15 MAX FOR FLOW
<br /> DESIGNED TRENCH LENGTH= 50' CONTROL/WATER QUALITY
<br /> TREATMENT IN RURAL AREAS
<br /> NPGIS DISPERSION TRENCH DETAIL:
<br /> FIG 3.1.6 OF 2012 SMMWW, VOL III
<br /> NOT TO SCALE
<br /> TAX PARCEL NO.: A•
<br /> 00538200005601
<br /> 00538200005602 ,ODF A -1. • ,e, J. Western (425)
<br /> ,Cv ; ) ,�- I f3, Engineers, 356-2700
<br /> Sl'1EADDRESS: z�'' ^^WAIL-Inc.
<br /> 2129 A/B 103RD STREET SW DRAINAGE
<br /> EVERETT, WA 98204 SURVEYOR 0 PLANNERS" ENGINEERS
<br /> .cel°A 45844 •F,�, 9740 EVERGREEN WAY, EVERETT, WA., 98204 PLAN FOR:
<br /> �G� T E4 G DYNASTY HOMES LLC.
<br /> �SSjONAL
<br /> DWN. BY DATE REV. BY DATE PROJECT MANAGER SCALE
<br /> JAJ 07/2015•JAJ 11/19/2015 J. JARRELL 1" = 40'
<br /> - DRAWING FILENAME CHK. BY F.B. NO. JOB NO. SHT. NO.
<br /> 141366ABASE.DWG JAJ N/A 14-1366—A 2 OF 2
<br />
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