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~ i NOTE ~ ~ ~~1. ...1` ~>0 ~ ~ 1. ALL PUBLIC IMPROVEMENTS TO BE CONSTRUCTED PRIVATELY. ~O ~ ~ ~ ~ CAPITAL DRIVE ~x ~ ~ 4 Z ~ ---m-----m-----m--- NEW PUBLIC STORMWATER SEWER LINE ODO 2. ALL INDIVIDUAL LOTS WILL NEED TO ADDRESS WATER QUALITY AND _ - ' Z ~ ,ADZ - NEW DETENTION VAULT FLOW CONTROL REQUIREMENTS WHEN APPLYING FOR BUILDING 8 RIM=882.05 r / ~ PERMITS. REST TA ST NEW LEVEL SPREADER 3 ~ 12 3. ALL CATCH BASINS, MECHANICAL TREATMENT DEVICES, UNDERGROUND DE RU LA J CRESTA _ DETENTION STORAGE, AND PIPING SHALL BE PRIVATELY MAINTAINED. .C = RIM=884.50 ~ ~ ~ ~ NEW STRIP DRAIN 50 ~ N / ~ ® NEW PUBLIC CATCH BASIN 4. 4. CITY OF EUGENE WILL BE RESPONSIBLE FOR MAINTAINING PERVIOUS ~i ~,,.r- PAVEMENT IN PUBLIC RIGHT-OF-WAY OF CAPITOL DRIVE. _ - \ NEW PERVIOUS ASPHALT /J ~ - a~ Z 11 Ff " ~ ~ ! i ~ ~ ~ ~ ~ x y~ € / ~ ~ ~ ~ \ '~w 12 ~ ~ / `~r.,, i \ \ ~ Y 4 ~ w ~ ~ / 6 ~ i' i I, aA /t c~~i>o z ~ \ Mfg Z ~ M~ ~D ~i- ~ 4~ _ry~ i KEY N TE " ' ~ ~ ~ ~ ~ 4 i x m ~RF~ \i .4 x I i4 L i \ N~ ~ 1 NEW CATCH BASIN. x ai 2s \ 'a2. ~ g 2 NEW MECHANICAL STORMWATER TREATMENT MANHOLE. I EXISTING HOUSE t- ? O ~ O ~ ~~2• ~ I n 2so2 70 REMAIN EXISTING HOUSE D- p ~ i 70 REMAIN c',~ ~ `D N 3 NEW STORM CLEANOUT " _ ~ ~ y.. ~ j 9 D 1~ - < ZD 4 NEW STORM PIPE I ~ ~ ~ ~ ~ i \ ~ I - ~ o~ I ~ A m N1NM 3131l~N N'INM 3131l~N09 ~ ~ 8 ~ ~ 9 5 NEW UNDERGROUND DETENTION VAULT 816 BY OLD CASTLE OR APPROVED ALT 0 m - O aoea 6 NEW UNDERGROUND DETENTION VAULT 776 BY OLDCASTLE OR APPROVED ALT n zso3 x I _ - 7 NEW MECHANICAL TREATMENT CATCH BASIN. AFC aR I - , ~ 8 NEW CATCH BASIN BUBBLER. ~ ~ EXISTING 3 UNIT ~ i ~ A APT. TO REMAIN ~ I - ~ ~ ~ I 1 9 NEW PERVIOUS ASPHALT. i RIM=897.10 12 ~ ~ / 12 8 I ~9B r ~ ~ ~ I Q 10 NEW LEVEL SPREADER UPLAND DISPERSION OUTFACE PER DETAIL THIS SHEET. ~ ~ RIM=899.96 _ _ ~ I NEW STRIP DRAIN TRENCH DRAIN ROTATED TO MATCH SLOPE OF ROADWAY 191 ~µN~ 11 / a 'J D ~ v~. ~m~ppOZ AI / 7 i 12 NEW PERVIOUS PAVEMENT PER DETAIL THIS SHEET / ~ t m I l/ \ PROP. 3 UNIT \ _ ~s!_ _ APT. EXPANSION I I ! i ~ f n zso~ ~ ~ ~ ~ ~ .r \ \ - I a ~ RIM-888.70 FL OUT-879.27 s s I a~ ~ 9 ~ - - - ~ m _ _ _ _ - ~ BOT-878.27 A~ ,z g,2 ~ ~ . i ~ ~ i 4 'Z Q EXISTING HOU E - - - - ~iN_~i~ ` ! A TO REMAIN msg. i ~ I - - - - - _ ~ RIM=882.40 r r - = 5 ~ ~ ~ ~ ~ ~ . FL DUT=874.12 _ I . sa I 1 / ~ _ ~ ~ ~~V ~ . BOT=373.12 ~ ~ - ~ RIM=882.75 ~ COUrarrr wel 2 ~ 1 ~ FL=873.85 ~ ~ ~ ~ I i V~~ \ i 9 ~r _ ~ ~ ,°r, ~ 4 RIM=883.40 5 ~ / I FL OUT=874.52 ° ~ RIM=888.35 ~ ~ 3 / sa d~ BOT=873.52 5 _ - - - ~ FL OUT=880.04 N 2 O 1 ~3 1 ~ 4 BOT=879.04 ~ ~ _ - / ~ ~ / I ~ w._ _ y 4 ~\SD ~ ~ \ II -s i II - I I - \ -SD - _ ~ b- %1 ~a - 5RIM=881.30 _ _ ~D ~ i / ~ (2) FL OUT=870.80 II BOT=869.80 I I 1 - ' - . ~ FN ~ ~ / \ II II ~ II ~ II I A D X ~P~ II ----~a- a I I _ ~ 1 ~ ZZ c;e II ~ - II - M ~ _ CM II . ~ II - ace II 5 II - _ _ / P~' - V 4 II _ ~ _ K \w ~ - (d - II ~ . Y 2{ / I I 1 ass, ~ ~ I ~ ~ ~ ~ _ _ c~' --~a - --..v 1 ~ P~ `4~ ~P~ ~ I - - i~ - ~~P _ _ Q~ I ~ - - a t _ ii t ~ I ~ I 38 LF I 10 II T ~a I ~ \ ~ ~ ~ ~ 38 LF TOGB=812.00 II ~ II ~ I ~ 10 _ _ _ _ _ rocB=slo.oo l ll t I t I I \m... _ r i I I ~ I ~ ~ ..-ens----- - I I Y _ _ J I ~ Y l I _ ~ ~ ~ - ~ ~ I f I I EXISTING FORESTED AREA I ~ I I f I B ~ ~ _ I RIBBON TRAIL I I °~..y I ~ I I I ~ Fop ~ ~ PIPE O.D. - - - - 1' 1' MIN MIN END CAP OR PLUG FLOW TO SECOND DISPERSAL TRENCH IF NECESSARY ° o0 P ° CLEAN OUT WYE FROM PIPE vP ° ° P 4"OR 6" PERFORATED PIPE LAID NOTCHED GRADE ° p BOARD 2'X2» Q ° FLAT/LEVEL NOTCHES 18" O.C. o Q TYPE I CB W/SOLID COVER ° Q° (LOCKING) 1YPE I CB P ° P W/SOLID COVER A A ~ ~ ° ° INFLUENT PIPE (MAX DESIGN o Q ° Q FLOW 0.5 CFS PER TRENCH) ° ° po ° Q o CLEAN OUT WYE FROM ~0 P PIPE 25" ACCESS HOLES WITH ° ° ° FLOW TO OTHER BRANCHING ° ° cB's As NEGESSARY RISERS AS NECESSARY PER o Q MANUFACTURERS SPECIFICATIONS PLAN NTS 25" ACCESS HOLE WITH RISERS AS NECESSARY PER PIPE O.D. 18» O.C. MANUFACTURERS SPECIFICATIONS GALVANIZED PIPE SUPPORT, 5 °E SUPPORT, SEE NOTE BOLTS 1 i MIN MIN P1` 2" INLET 8" X 8" PVC TEE, OPEN AT X20% M TOP AND CAP W/ ORIFICE 2X12" ~,P~' » PRESSURE 0"~ N 8 X 8 PVC TEE ~2 0 ~ ° ° a 'X 8" PVC TEE, OPEN AT AT BOTTOM TOP AND CAP W j TREATED GRADE ° 'P AND CAP W ORIFICE _ / PIPE SUPPORT, SEE NOTE Q ° o °j AT BOTTOM BOARD ° 0 2 GRADE BOARD NOTCHES a ORIFICE/FLOW BOTTOM INLET POROUS PAVEMENT z x ° ° °o ~ 4"OR 6" PERFORATED 2° CONTROL PER N ° 2" THICK 1 2" OPEN / i . i `ORIFICE/FLOW ~ p p PIPE LAID FLAT STORM REPORT » ~ ~ CRUSHED AGGREGATE ° ° ° NOTES: 8 PVC STORM PIP ~ a p ° ° DESIGN E ° a ° 1. THIS TRENCH SHALL BE ARM PIPE e CONTROL PER 8 PVC STORM PIPE FILTER COURSE STORM REPORT a 4X4' SUPPORT POST ° 4 CONSTRUCTED SO AS TO PREVENT OUTLET DESIGN 1TLET OUTLET D ° ° CLEAN (59 FINES) POINT DISCHARGE AND/OR EROSION. ` ` ' ' ' a ' ~ ~ a ' ' 4. 4 . 2 Q °o ° 1 i/2 -3/4" 2, TRENCHES MAY BE PLACED NO Q ° p WASHED ROCK ~ Q Q ° o Q CLOSER THAN 50 FEET TO ONE 4" COMPACTED G ANOTHER. (100 FEET ALONG BASE ROCK ' 4" COMPACTED GRAVEL ~ ~ COMPACTED GRAVEL FLOWLINE) 16 -11 SE ROCK 6'_4» BASE ROCK CONSTRUCTION 3. TRENCH AND GRADE BOARD MUST BE COMPACTED NATIb )MPACTED NATIVE SOIL ~'-O'~ COMPACTED NATIVE SOIL ' GEOTEXTILE LEVEL. ALIGN TO FOLLOW CONTOURS OF x`159 MAX FOR FLOW SECTION A-A SITE. CONTROL/WATER QUALITY NTS 4. SUPPORT POST SPACING AS NOTES: NOTES: TREATMENT IN RURAL AREAS. REQUIRED BY SOIL CONDITIONS TO PIPE SUPPORTS SHALL BE ANCHORED AT 3' MAX SPACING. PIPE SUPPORT TO BE SS ENSURE GRADE BOARD REMAINS LEVEL. PIPE SUPPORTS SHALL BE ANCHORED AT 3' MAX SPACING. PIPE SUPPORT TO BE SS STONE RESERVOIR, 3/4 - 1 " STRAP THICK X 1" WIDE BOLTED TO STRUCTURE WALL WITH DIAM SS STRAP THICK X 1 " WIDE BOLTED TD STRUCTURE WALL WITH DIAM SS (AASHTO #5) CLEAN CRUSHED FLOW DISPERSAL TRENCH EXPANSION BOLTS. EXPANSION BOLTS. AGGREGATE INSTALLATION, BACKFILL AND COMPACTION SHALL CONFORM TO MANUFACTURERS INSTALLATION, BACKFILL AND COMPACTION SHALL CONFORM TO MANUFACTURERS FILTER FABRIC LAYER. INSTALL ~ ~ NOTES SPECIFICATIONS. CONTACT ENGINEER TO WITNESS INSTALLATION. SPECIFICATIONS. CONTACT ENGINEER TD WITNESS INSTALLATION. IMPERVious uNER FoR AREAs WITHIN i D OF BUILDING WALL. ~ 1. SOURCE: WASHINGTON STATE DEPARTMENT OF TRANSPORTATION PERFORM TANK WATER-TIGHTNESS TESTING, AS REQUIRED. CONTACT INSPECTOR TO UNDISTURBED SOIL since 1977 (WSDOT) HIGHWAY RUNOFF MANUAL, FIGURE 5.a.3s. PERFORM TANK WATER-TIGHTNESS TESTING, AS REQUIRED. CONTACT INSPECTOR TO WITNESS TESTING. WITNESS TESTING. c i v i I transportation 2. FOR MORE INFORMATION AND DETAILS SEE CONCEPT DESIGNS structural • g e o t e c h n i c a l AND TECHNICAL GUIDANCE: STORMWATER OUTFACES (HERRERA SURVEYING 2007). DETENTI N VAULT 816 BY LD A TLE DETENTI N VAULT 776 BY LD A TLE 310 5th Street ~ ~ ~ FOR CONSTRUCTION Springfield, OR 97477 16 -11 x9 -1 x8 -2 UT IDE UTFALL UPLAND DI PER I N 7'-0"x7'-0"x6'-2" UT IDE PERVI U A PHALT E TI N p: 541.746.0637 f: 541.746.0389 SCALE: NONE SCALE: NONE SCALE: NONE SCALE: NONE www.BranchEngineering.com CT TO AGENCY REVIEW Springfield OR ~ Salem OR Scale: 1" = 40 SCHIRMER SATRE GROUP 375 West 4th, Suite 201, Eugene OR 97401 ■ # Date Description ■ ion Drawn By Phone: 541.686.4540 Fax: 541.686.4577 ~ ED PROF ~R FS ■ www.schirmersatre.com S~ si ~IN,~ O a,RS SHEET NO. 0 20 40 80 ~ ~ ~ #79'32PE ~ ~ ~ Checked + ~1~ + SCHIRMER SATRE GROUP, PLANNERS, LANDSCAPE ARCHITECTS AND Digita y signed by Nathan Patterson ENVIRONMENTAL SPECIALISTS, EXPRESSLY RESERVE ITS COMMON LAW Date: 2017.02.2814:58:22 -08'00' NP ~ ~ COPYRIGHT AND OTHER PROPERTY RIGHTS IN THESE PLANS. THESE 2 OREGON = 9 o~~ ~ Date PLANS ARE NOT TO BE REPRODUCED, CHANGED, OR COPIED IN ANY N ~ ~ ~ ~ ti ~ MAR. 03, 2017 1 ~ FORM OR MANNER WHATSOEVER, NOR ARE THEY TO BE ASSIGNED TO A THIRD PARTY WITHOUT FIRST OBTAINING THE WRITTEN PERMISSION AND ~ ~ ~ qN ~ PAS CONSENT OF SCHIRMER SATRE GROUP. IN THE EVENT OF ~ ~ ~ ~ Phase C2 UNAUTHORIZED REUSE OF THESE PLANSBYATHIRDPARTY,THETHIRD NEAR CAPITAL HILL AND SPRING BLVD EUGENE OREGON PARTY SHALL HOLD SCHIRMER SATRE GROUP HARMLESS. EXPIRES: DECEMBER 31, 2018 ©2017, SCHIRMER SATRE GROUP