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NE 1/4,NW 1/4, SEC.23, T.28N.,R.4E., W.M. IMPERVOIUS AREA:
<br /> CITY OF EVERETT, WASHINGTON ON-SITE
<br /> BUILDING ROOF 3,001 SF.
<br /> *DRIVEWAY/PARKING 1,130 SF.
<br /> *CONC. WALK/PATIOS 849 SF.
<br /> TOTAL 4,980 SF.
<br /> TOTAL NEW/REPLACED IMP. SURFACE = 4,980 SF.
<br /> *NOTE: DOES NOT INCLUDE AREAS COVERED BY ROOF EAVES.
<br /> INGRESS/EGRESS ESM'T -1,--..-1-..-0,n05 -3.1,0_0_15� ' INGRESS,/EGRESS ESM'T
<br /> &5 p(AFN 2037956) i i (AFN 2037955) DRAINAGE NOTES:
<br /> 005 382 1. ROOF DRAINS ON REAR OF EACH BUILDING TO RUN INTO
<br /> 548' DISPERSION TRENCH SIZED AT 10LF PER 700SF OF ROOF
<br /> „ .1‘._.1.w.. 22.: ,. . . 4005,3!,82
<br /> N89'529"W N89'50 99"W N89'.. AREA. TRENCH NOT TO EXCEED 5OLF IN LENGTH. REFER TO
<br /> ,'1,9,9.-9-7`' “ 1 -\, - ----99, -.97` .1
<br /> - ----, 9`` DETAIL ON THIS SHEET.
<br /> -5b I i ,
<br /> SLI _ ' �� 2. CONCRETE DRIVEWAYS TO SLOPE TO THE SOUTH,
<br /> 7 E A- I -- ; -_.547.--” '
<br /> TOWARDS ADJACENT RESIDENTIAL LANDSCAPING AREAS,
<br /> _ AIS STREgM_ - THROUGH A 2' WIDE GRAVEL TRANSITION STRIP. SEE BMP
<br /> - ,SQ, '-' -- 51.6 ' S�3 12.70 IN THE 2010 DRAINAGE MANUAL FOR DESIGN SPECS.
<br /> ,TYPE NS STREA r-
<br /> M
<br /> ; 545
<br /> 75' o o ' Ai
<br /> ; '-BUFFER 2 i --- LEGAL DESCRIPTION:
<br /> 00 , DISPERSION ,,
<br /> L o000 '- 0 50 TRENCH ',;',
<br /> o l�� ,5N$ BUFFER 2' X 43LF. ii TABES 00538200005501 AND 00538200005502
<br /> ' in ,' W tAi I: TRACT 55, PAINE FIELD NO. 5, ACCORDING TO THE
<br /> % 0 0 0 0 I I1:1li
<br /> PLAT THEREOF RECORDED IN VOLUME 14 OF PLATS,
<br /> o N I , o SQ/ PAGE 85, RECORDS OF SNOHOMISH COUNTY,
<br /> z , , , o N ,,,7: ill WASHINGTON.
<br /> -
<br /> _0"___--
<br /> ,-- \LTAPEIr 75' Z �i i
<br /> BUFFER TO 50-_ I,' SUBJECT TO ALL EASEMENTS, RESTRICTIONS AND
<br /> 1, 37,5 ;" o RESERVATIONS. SITUATE IN THE COUNTY OF SNOHOMISH,
<br /> \\ ' BUFFER o STATE OF WASHINGTON.
<br /> TIGHLINE ALL
<br /> ROOF DRAINAGES 1-`I1'- i;: \ N `
<br /> TO DISP BENCH ( ' ii h o LEGEND
<br /> \ � S�8.L--J I l� o
<br /> ,, \ BOUNDARY LINE
<br /> I PROPOSED WATER
<br /> PROPOSED SEWER I I ', I SF VICES�- �, - - EXISTING LOT LINES
<br /> SERVICES L • �; • a I ,� 1� - -- - EXISTING RIGHT-OF-WAY
<br /> • — i _-- \,, j SD EXISTING STORM DRAIN
<br /> n a••' . ', •--- -- •• • MIN,-`)a _-- ,, ` //// //// //// //// //// //% EXISTING EDGE OF ASPHALT
<br /> 100.00' d ` o — EXISTING CONTOUR LINE
<br /> W ; W POO.00''__''"'
<br /> - '' ___W-__--546 ' SD' PROPOSED STORM DRAIN
<br /> •213LF 12" HDPE ® O.-i2' -.. . ------ --!------_i_-- ---- - - - -1
<br /> //7i?2/7//////m/4////////Y/////�///�//T/%/T// jj/� / // /� ////////` PROPOSED BUILDING SAVE
<br /> N88'21'05'W_ ‘, i � �t t((d�� t7 �
<br /> _ N88'21'05"W �NSmON STRIP PER BMP`J2 w_
<br /> • moi " , _ 548 ' SS SS — ,
<br /> �_` / 5�� S L—— PROPOSED BUILDING FOOTPRINT
<br /> _'- SD 546:
<br /> 103RD ST. S 7. SS PROPOSED SEWER LINE
<br /> W EXISTING WATER LINE
<br /> SCALE: 1" = 40'
<br /> ��•._ PROPOSED FLOW DIRECTIONS
<br /> NM= MINIIIIII
<br /> 18" 0 40 80
<br /> O.C. L 25' MIN
<br /> 2" 1' 1' I_ VEG. FLOW PATH
<br /> 2„1 MIN MIN 1 2'
<br /> TREATEDGRADEPIPE 0.D.
<br /> END CAP OR PLUG BOARD 1' 1'
<br /> op(
<br /> i GALVANIZED BOLTS MIN MIN Y *20%
<br /> NOTCHED GRADE CLEAN OUTWYE FROM PIPE
<br /> BOARD, 2"x2"�. - 01------ MpX�
<br /> NOTCHES 18" O.C. ERFORATED
<br /> PIPE LAID FLAT/ EVE T—•*Z��n - I—III-
<br /> TYPE 1 CB WITH SOLID z x —III o. • I I= I I=I
<br /> A A COVER (LOCKING)
<br /> -III-II o III—III-
<br /> '� �' Ngo III III I � I-
<br /> ~- ' roIII c 4 I 1
<br /> 4 INFLUENT PIPE (MAX DESIGN .
<br /> . FLOW ,S 0.5 CFS PER TRENCH) 4'x4" SUPPORT • 4" OR 6" PERFORATED
<br /> POST ' o • o PIPE LAID FLAT
<br /> - o o . 6" MINI
<br /> CLEAN OUTWYE FROM PIPENT I_I
<br /> / \' - DUPLEX DISPERSION TRENCH FILTER FABRIC
<br /> CLEAN (55% FINES)
<br /> PROPOSED ROOF AREA = 3,001 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= 3,001 SF x 10 LF / 700 SF = 42.8' NTS *15 MAX FOR FLOW
<br /> DESIGNED TRENCH LENGTH= 43' 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 /> �•o7 Ask1 , , 1Western
<br /> (425)
<br /> TAX PARCEL NO.. ,'E-, 1 , - �,� Engineers,
<br /> 356-2700
<br /> - ; ,w.Inc.
<br /> 00538200005501 z DRAINAGE
<br /> r4
<br /> ,-p ,, SURVEYOR 0 PLANNERS" ENGINEERS
<br /> SI'1L4 ADDRESS: s% 'E' 45844 SN',0v 9740 EVERGREEN WAY, EVERETT, WA., 98204 PLAN FOR:
<br /> 2119 A/B 103RD STREET SW ��SI NAL Cs DYNASTY HOMES LLC.
<br /> EVERETT, WA 98204
<br /> DWN. BY DATE REV. BY DATE PROJECT MANAGER SCALE
<br /> JAJ 07/2015 JAJ 11/19/2015 J. JARRELL 1" = 40'
<br /> f iI i DRAWING FILENAME CHK. BY F.B. NO. JO NO. SHL NO.
<br /> - 41366ABASE.DWG JAJ N/A 14-1366-A 2 OF 2
<br /> 1113
<br />
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