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N <br />NE 1149 NE 114, SEC.24, T.28N, R.04E, W.M. <br />SNOHOMISH COUNTY, WASHINGTON <br />INSTALL GRINDER PUMP FOR PROPOSED <br />SFR AND CONNECT PRESSURIZED 210. <br />II SCH 40 SEWER LINE TO END OF <br />EXISTING ON -SITE SIDE SEWER <br />I GRADE NORTHWESTERLY <br />°p SECTION OF DRIVEWAY IN <br />I o A NORTHERLY DIRECTION <br />I (� TOWARDS CATCH BASIN <br />I (-500 SF) <br />I OUTLET UNKNOWN <br />I <br />IE 12" RCP(N)=526.12' <br />a'IA/!l <br />WOOD <br />SFR# 10103 T <br />o <br />, <br />FF=527.6' <br />o <br />'1 <br />CONVERT TO <br />ADU AFTER �! <br />PRIMARY <br />a. <br />RESIDENCE ' <br />a . <br />ESTABLISHED <br />' <br />rr�ir�rr�rurrlG ' <br />2i3 <br />.i <br />SS \ <br />/� rrrriirmi r , p <br />I <br />N89'59'20'E <br />195.57' <br />OTIGHT LINE DWY <br />RUNOFF AROUND PROP. <br />SFR TO ROCK PAD. <br />MIN. 4'10 @ MIN. 2.07. <br />50' MIN <br />FLOWPATH <br />8792 6'WDF <br />> >- <br />Fr----------- \ <br />it <br />it F \ <br />PROP <br />ELEVATEd <br />CB#1 �. p..: SFR II f <br />PROP., :..:(•i l <br />/ DWY /. \ <br />0' <br />V_ s� CB#2 <br />Lril <br />GRADE UPPER SECTION OF > niRo�,o �� <br />DRIVEWAY 1N A EASTERLY 19 .66' <br />DIRECTION TOWARDS 50' MIN <br />ASPHALT BERM (-500 SF) FLOWPATH <br />-FOUND 112" REBAR & CAP IS 3XXX8 <br />AT 0.1 'M OF CALC'D CORNER <br />(0712019) <br />qlED <br />EX CB <br />RIM1"1' <br />2RCP IE 1RCP(N)=524.96' <br />IE 12"RCP(S)=524.91' <br />HARDSCAPE AREA CALCULATION <br />TOTAL PROPERTY AREA: 15,651 (0.359 AC) <br />SCALE: 1 " = 30' <br />0 30 60 <br />Western <br />Engineers & <br />66 6 Surveyors <br />ON -SITE HARDSCAPE <br />EX. SFR CONVERTED TO ADU 1,300 SF. <br />EX. ELEVATED DECK <br />280 SF. <br />EX. SHED <br />210 SF. <br />EX. DRIVE/WALK TO REMAIN <br />610 SF. <br />PROPOSED SFR <br />3,345 SF. <br />*PROPOSED DRIVEWAY <br />1,600 SF <br />TOTAL <br />7,345 SF. <br />*DOES NOT INCLUDE AREAS COVERED BY EAVES. <br />TOTAL NEW/REPLACED HARDSCAPE.• 4,945 SF. <br />1 e//r 9 <br />© 2019 <br />(425) <br />356-2700 <br />SURVEYORS a PLANNERS o ENGINEERS <br />LAND USE CONSULTANTS <br />CIVIL ENGINEERS o LAND SURVEYORS <br />*** 9740 EVERGREEN WAY * EVERETT * WA * 98204 *** <br />I 0 (i <br />03 <br />6'WDF <br />L GRADE SOUTHEASTERLY <br />SECTION OF DRIVEWAY IN A <br />SOUTHERLY DIRECTION <br />TOWARDS CATCH BASIN <br />(-600 SF) <br />INSTALL BERM TO DIRECT <br />RUNOFF TO ROCK PAD. SEE <br />DETAILS PAGE 4. <br />GRADE AREA ADJACENT TO NEW <br />SFR TO DIRECT RUNOFF BETWEEN <br />SFR AND PROPERTY LINE <br />0 <br />0 o <br />V <br />O N <br />ze <br />2X50 LF DISPERSION <br />TRENCH FOR ROOF DRAIN <br />AREAS (-3,474 SF) <br />m <br />i � <br />5' MIN <br />25' MIN. <br />FLOWPATH <br />/ o <br />- 5' MIN <br />V <br />rn <br />z <br />TIGHT LINE ROOF <br />> AREAS TO <br />DISPERSION TRENCH <br />50' MIN <br />FLOWPATH <br />"-GRADE AREA ADJACENT TO NEW <br />SFR TO DIRECT RUNOFF BETWEEN <br />SFR AND PROPERTY LINE <br />i <br />0 <br />c o <br />v <br />o <br />i <br />DRAINFIELD NOTE <br />ACCORDING TO SNOHOMISH COUNTY <br />HEALTH DISTRICT RECORDS THERE <br />ARE NO KNOWN EXISTING DRAINFIELDS <br />WITHIN 100 FEET OF THE SITE. <br />CONTOUR & FEATURES NOTE <br />CUNIUURS AND EXISTING STRUCTURES SHOWN <br />BASED ON TOPOGRAPHIC SURVEY BY WEST. <br />BOUNDARYLINE NOTE <br />BOUNDARY LINES ARE SHOWN <br />BASED ON A SURVEY BY WESTERN <br />ENGINEERS & SURVEYORS. <br />CALL 811 TWO (e) <br />BUSINESS DAYS <br />BEFORE YOU DIG <br />TAX ACCOUNTNO.(S): SITE ADDRESS: <br />00396900000600 10103 1ST DRIVE SE <br />EVERETT, <br />PFN 19- <br />WA 98204 <br />DRAINAGE PLAN FOR: <br />AE CONSTR UCTION <br />NE 114, NE 114, SEC.24, T.28N, R.04E, W.M. <br />SNOHOWSH COUNTY, WASHINGTON <br />DRAWN BY DATE <br />REV. BY DATE <br />PROJECT MANAGER <br />SCALE <br />NAT 08101119 <br />01 TAS 10129119 <br />T. SARKELA <br />1 <br />DRAWING FILE NAME <br />CHECKED BY <br />F.B. NO. <br />JOB NUMBER'SHEET <br />NO. <br />191821ABASE.DWG <br />TAS <br />- <br />19-1821 A <br />3 OF <br />