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HomeMy WebLinkAboutJARPAFiguresU P P E R H O H R O A D B A N K S T A B I L I Z A T I O N A N D C U L V E R T R E P L A C E M E N T J E F F E R S O N C O U N T Y , W A S H I N G T O N SITE PLAN(EXISTINGCONDITIONS)BRITISH COLUMBI A IDAHO O R E G O N U N I T E D S T A T E S C A N A D A P A C IF IC O C AE N tSrait ofJuandeFucaOCLUMBIA RI V E R A S N K ER V E R I M C O L U B I A V R I ER L a k e s B a n k s L a k e s M o s e s R e s e r v o i r P o t h o l e s OLYMPICNATIONALPARKMOUNTRAINIERN.P. MOUNTST. HELENSNAT'L VOLC.MON.NORTHCASCADES NATIONAL PARK BELLINGHAMForksAberdeenChehalisLongviewOLYMPIATACOMASEATTLEEVERETT W e n a t c h e e L a k e M o s e s S P O K A N E P u l l m a n P a s c o R I C H L A N D K e n n e w i c k W a l l a W a l l a ANGELES PORTTownsendPortVernon Mt.VANCOUVERWASHIN G T O N K E Y M A P 3 9 5 3 9 5 1 9 5 101 1 2 2 2 21212101101 9 7 9 7 2 0 90 8 2 55205405 9 0 YAKI M A undoSteguP Project Locati o n 1VICINITY MAP U P P E R H O H R I V E R R O A D P H A S E 2 3 2 S C A L E I N M I L E S 0 1 2 3 1 W A S H I N G T O N J E F F E R S O N C O U N T Y O L Y M P I C N A T I O N A L P A R K O L Y M P I C N A T I O N A L P A R K F o r k s I s l a n d A b b e y T 2 6 N T 2 5 N Hoh RiverC L A L L A M C O U N T Y J E F F E R S O N C O U N T Y 1 0 1 1 0 1 1 0 1 M P 4 M P 7 . 6 M P 1 0 . 2 R i v e r R o a d U p p e r H o h P R O J E C T L O C A T I O N S L E N G T H 1 . 0 4 7 M I L E S N S e e P a g e s 2 , 3 , a n d 4 f o r V i c i n i t y M a p s 3 2 1 J U L Y 2 0 1 7 keerC dleifniW keerC klE k e e rC ra elC k e e r C y b h guol liW D A O R R E V IR HO H R E P P U A l d e r C r e e k T o w e r C r e e k L i n d n e r C r e e k O w l C r e e k OLYMPIC NATIONAL PARK NF OLYMPIC NF OLYMPIC NATIONAL FOREST OLYMPIC Campground Willoughby Creek Campground Minnie Peterson 9992 FN END PROJECT 117+02.39 UPPER HOH RIVER ROA WA JEFF 91420(1) RESUME PROJECT 53+48.89 SUSPEND PROJECT 15+39.03 SUSPEND PROJECT RESUME PROJECT 85+00.00 SUSPEND PROJECT 98+47.74 SUSPEND PROJECT BEGIN PROJECT (Sheet F.1) 11+58.52 UPPER HOH RIVER ROAD WA JEFF 91420(1) (Sheets F.2-3) 30+93.41 (Sheets F.4-5) 71+00.00 (Sheet F.5) 97+57.95 RESUME PROJECT (Sheet F.5-6) 103+00.00 RESUME PROJECT Preservation Channel Habitat MP 6.7-7.3 SCALE IN MILES 0 2 1 1 N .A W ,s k ro F .im 6 1 ~ R ROAD ) UPPER HOH ROAD BANK STABILIZATION AND CULVERT REPLACEMENT JEFFERSON COUNTY, WASHINGTON 2 32 JULY 2014 N Creek Campground Willoughby FOREST OLIMPIC NATIONAL FOREST OLIMPIC NATIONAL DAOR REVIR HOH REPPU F.3 F .3 F. 4 F.4 F .5 F.6 F. 6 Campground Minnie Peterson R EVIR HOH R E V I R H O H 101 SU SCALE IN MILES 0 2 1 4 1 SUSPEND PROJECT BEGIN PROJECT 15+39.03 11+58.52 UPPER HOH RIVER ROAD WA JEFF 91420(1) SUSPEND PROJECT 98+47.74 97+57.95 RESUME PROJECT SUSPEND PROJECT 85+00.00 RESUME PROJECT 71+00.00 SUSPEND PROJECT 53+48.89 RESUME PROJECT 30+93.41 Channel Mitigation Lindner Creek MP 6.7 to 7.3 UPPER HOH ROAD BANK STABILIZATION AND CULVERT REPLACEMENT JEFFERSON COUNTY, WASHINGTON 3 32 JULY 2017 RESUME PROJECT N R EVIR HOH k e e r C n o ynaC F.7 F.8 103+00.00 117+02.39 UPPER HOH RIVER ROAD WA JEFF 91420(1) END PROJECT SCALE IN MILES 0 2 14 1 4 32 JULY 2017 1 5 765 458 0.017 0.010 -- -- 0.008 2,679 0.061 0.015 5 32 JULY 2017 1 0 1 5 CP 14101 CP 14102 Ordinary High Water River access 11+58.52 BEGIN PROJECT SUSPEND PROJECT 15+39.03 HOH RIVER OHW OHW OHW OHW OHW OHW OHW OHW OHW Stream S9 Wetland W4 Wetland W6 Temporary Flow Barrier River Access Permanent Impact Temporary Impact Culvert Ordinary High Water Stream Wetland OHW N SITE C1 PERMANENT IMPACTS BELOW OHW LEGEND Wetland W 5 6 32 JULY 2017 3 5 4 0 321 CP 14106 N RESUME PROJECT 30+93.41 River access Ordinary high water River access HOH RIVER OHW OHW OHW OHW OHW OHW OHW OHW OHW OHW O Stream S17 Stream S16 Ditch D4 Wetland W2 Wetland W12 Wetland W1 Temporary Flow Barrier River Access Permanent Impact Temporary Impact Culvert Ordinary High Water Stream Wetland OHW LEGEND PROJECT TEMPORARY IMPACTS BELOW OHW 7 32 JULY 2017 4 0 4 5 CP 14106 N River access Ordinary high water HOH RIVER OHW OHW OHW OHW OHW OHW OHWOHW Stream S16 Stream S15 Stream S14 Wetland W12 Temporary Flow Barrier River Access Permanent Impact Temporary Impact Culvert Ordinary High Water Stream Wetland OHW LEGEND 8 32 JULY 2017 Temporary Flow Barrier River Access Permanent Impact Temporary Impact Culvert Ordinary High Water Stream Wetland OHW N 4 5 5 0 CP 14107 Ordinary high water Silt fence 47+81 to 50+79, RT River access River access Clearing limits River access Clearing limits Check dam (Filter rock) 47+81 to 49+31, LT Check dam (Filter rock) 49+70 to 50+84, LT Silt Fence 49+71 to 49+84, LT Silt Fence 49+22 to 49+39, LT SUSPEND PROJECT 53+48.89 Ordinary high water HOH RIVER OHW OHW OHW OHW OHW O H W OHW OHW O H W OHW OHW Stream S13 Stream S18 LEGEND 9 32 JULY 2017 E R H O H R O A D B A N K S T A B I L I Z A T I O N A N D C U L V E R T R E P L A C E M E N T E F F E R S O N C O U N T Y , W A S H I N G T O N XSITE C-1PERMANENT RIPARIAN /WETLAND IMPACTQUANTITIES UPPER HOH ROAD BANK STABILIZATIONAND CULVERT REPLACEMENTJEFFERSON COUNTY, WASHINGTON2452452452452452452452452452452452454524524524524524524524524524524524245245245245245245245245245245250250250250250250250250255255255255255255255255255255255260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260265265265265265265265265CP14101CP14102BEGIN PROJECTEl= 262.28 E= 814,639.218 N= 318,066.596 11+58.52 UPPER HOH RIVER ROAD WA JEFF 91420(1)El= 259.98 E= 815,019.639 N= 318,061.255 15+39.03 UPPER HOH RIVER RO WA JEFF 91420(1)SUSPEND PROJEC 1 015Ordinary High WaterProjected ordinary high water WC1-ADC1-A 5HOH RIVERPermanent Impact Temporary Impact Culvert Ordinary High Water Wetland Boundary Wetland LEGENDXXXMARCH 2017SITE C-1PERMANENT RIPARIAN /WETLAND IMPACTQUANTITIES SITE C-2PERMANENTRIPARIAN /WETLAND IMPACTQUANTITIES SITE C-2RIPARIAN /WETLAND IMPACTQUANTITIES 3 1 5 3 3 3 1 5 N P e r m a n e n t I m p a c t T e m p o r a r y I m p a c t C u l v e r t O r d i n a r y H i g h W a t e r W e t l a n d B o u n d a r y W e t l a n d L E G E N D 4 U P P E R H O H R O A D B A N K S T A B I L I Z A T I O N A N D C U L V E R T R E P L A C E M E N T J E F F E R S O N C O U N T Y , W A S H I N G T O N 3 2 0320 3 2 5 3 3 0 330 33 5 3 3 5 335 340 34 0 3 4 0 3 4 0 3 4 0 3 4 5 3 4 5 345 3 4 5 3 5 0 3 5 0 350 3 5 0 3 5 0 3 5 0 3 5 0 3 5 5 3 55 355 3 5 5 3 5 5 3 5 5 355 3 6 0 3 6 0 360 3 6 0 3 6 0 3 6 0 3 6 5 365 3 7 0 370 375 3 1 0 3 1 0 3 1 5 315 3 1 5315315315315315315320320 3 2 0 3 2 0 3 2 0 320320 3 2 0 3 2 0 3 2 0 3 2 5 3 2 5 3 2 5 3 2 5 3 2 5 325 3 2 5 3 2 5 3 2 5 3 2 5 3 2 5 3 2 5 325 3 2 5 3 2 5 3 3 0 3 3 0 3 3 0 3 3 0 3 3 0 3 3 0 3 3 0 3 3 0 330 3 3 0 3 3 0 3 3 5 3 3 5 335 3 3 5 33 5 3 3 5 3 3 5 3 3 5 3 3 5 3 3 5 3 4 0 3 4 0 3 4 0 3 40 3 4 0 3 4 0 3 4 0 3 4 0 340 3 4 0 3 4 0 3 4 0 3 4 5 3 4 5 3 4 5 3 4 5 3 4 5 3 4 5 3 4 5 3 4 5 3 3 4 5 345 3 5 0 3 5 0 3 5 0 3 5 0 350 3 5 0 3 5 03503 5 0 3 5 0 3 5 0 3 5 0 3 5 0 3 5 0 3 5 0 3 5 0 3 5 5 3 5 5 3 5 5 3 5 5 3 5 5 3 5 5 3 5 5 3 5 5 355 355 3 5 5 355 3 6 0 3 6 0 3 6 0 3 6 0 360 3 6 0 3 6 0 360 365 3 6 5 3 6 5 3 6 5 3 6 5 3 6 5 3 6 5 365 3 6 5 365 370 3 7 0 3 7 0 370 3 7 0 3 7 0 3 7 0 375 3 3 7 5 3 7 5 3 8 0 380 380 3 8 5 385 385 3 9 0390 390 3 9 5 395 4 0 0 400 4 0 5 405 4 1 0 410 4 1 5 4 1 5 4 2 0 4 2 0 425 430 435440 70 75 O r d i n a r y h i g h w a t e r O r d i n a r y h i g h w a t e r R E S U M E P R O J E C T 7 1 + 0 0 W C - 3 A W C - 3 B D C 3 - A D C 4 - A H O H R I V E R P e r m a n e n t I m p a c T e m p o r a r y I m p a c C u l v e r t D O r d i n a r y H i g h W a t e r W e t l a n d B o u n d a r y W e t l a n d L E G E N D N 7 MATCHLINE - SEE FIGURE 8 O r d i n a r y h i g h w a t e r 10 1 0 3 2 J U L Y 2 0 1 7 XSITE C-1PERMANENT RIPARIAN /WETLAND IMPACTQUANTITIES UPPER HOH ROAD BANK STABILIZATIONAND CULVERT REPLACEMENTJEFFERSON COUNTY, WASHINGTON2452452452452452452452452452452452454524524524524524524524524524524524245245245245245245245245245245250250250250250250250250255255255255255255255255255255255260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260260265265265265265265265265CP14101CP14102BEGIN PROJECTEl= 262.28 E= 814,639.218 N= 318,066.596 11+58.52 UPPER HOH RIVER ROAD WA JEFF 91420(1)El= 259.98 E= 815,019.639 N= 318,061.255 15+39.03 UPPER HOH RIVER RO WA JEFF 91420(1)SUSPEND PROJEC 1 015Ordinary High WaterProjected ordinary high water WC1-ADC1-A 5HOH RIVERPermanent Impact Temporary Impact Culvert Ordinary High Water Wetland Boundary Wetland LEGENDXXXMARCH 2017SITE C-1PERMANENT RIPARIAN /WETLAND IMPACTQUANTITIES SITE C-2PERMANENTRIPARIAN /WETLAND IMPACTQUANTITIES SITE C-2RIPARIAN /WETLAND IMPACTQUANTITIES 3 1 5 3 3 3 1 5 N P e r m a n e n t I m p a c t T e m p o r a r y I m p a c t C u l v e r t O r d i n a r y H i g h W a t e r W e t l a n d B o u n d a r y W e t l a n d L E G E N D SITE C-4 WESTRIPARIAN /WETLAND IMPACTQUANTITIES P e r m a n e n t I m p a c T e m p o r a r y I m p a c C u l v e r t O r d i n a r y H i g h W a t e r W e t l a n d B o u n d a r y W e t l a n d L E G E N D U P P E R H O H R O A D B A N K S T A B I L I Z A T I O N A N D C U L V E R T R E P L A C E M E N T J E F F E R S O N C O U N T Y , W A S H I N G T O N 3 3 0 3 3 5 3 3 5 3 4 0 3 4 5 3 5 0 355 3 5 5 3 5 5 360 360 310 3103 1 0 3 1 0 310 310 3 1 0 310 3 1 3 1 0 3 1 0 3 1 0 310 3 1 0 3 1 0 3 1 0 3 1 0 3 1 0 3 1 0 3 1 0 3 1 0 3 1 0 3 1 0 3 1 0 3 1 0 315 315 3 1 5 3 1 5 3 1 5 3 1 5 320 320 3 2 0 3 2 0 3 2 0 3 2 0 320 3 2 5 3 2 5 3 2 5 3 2 5 325 325325 3 3 0 3 3 0 3 3 0 330 330330 3 3 0 3 3 0 3 3 0 3 3 0 335 335 3 3 5 3 3 5 335 335 3 3 5 340 3 4 0 3 40 3 4 0 3 4 0 340 340340 3 4 0 0 3 4 5 3 4 5 3 4 5 345 3 4 5 345345 3 4 5 350 350 350350 3 5 0 355355 3 5 5360360 365 6 5365 365 365 37 3 7 0 370 3753 8 0 80 85 5 0 0 Check dams (Filter rock)78+55 to 80+75, LT S U S P E N D P R O J E C T 8 5 + 0 0 R i v e r a c c e s s R i v e r a c c e s s R i v e r a c c e s s R i v e r a c c e s s O r d i n a r y h i g h w a t e r H O H R I V E R D C 4 - B O r d i n a r y h i g h w a t e r S i l t f e n c e 7 7 + 8 0 t o 8 5 + 0 0 , R T D C 4 - B W C 4 - A Clearing limits C l e a r i n g l i m i t s C l e a r i n g l i m i t s 7 9 + 0 0 t o 8 5 + 0 0 MATCHLINE - SEE FIGURE 7811 1 1 3 2 J U L Y 2 0 1 7 N OHW O H W 9 6 9 8 Ordinary high water River access River access RESUME PROJECT 97+29.96 98+74.53 SUSPEND PROJECT HOH RIVER H W Temporary Flow Barrier River Access Permanent Impact Temporary Impact Culvert Ordinary High Water Stream Wetland OHW 96+00 to 98+60 LEGEND 12 32 JULY N O H W Temporary Flow Barrier River Access Permanent Impact Temporary Impact Culvert Ordinary High Water Stream Wetland OHW O H W O H W O H W O H W O H W O H W 1 0 5 7 0 0 1 1 0 rolled erosion control product Filter rock checkdams with 701+60 to 702+17 RT Silt fence 109+30 LT/RT 108+51 Lt/RT rolled erosion control product Filter rock checkdams with 701+19 to 702+17, LT rolled erosion control product Filter rock checkdams with 700+46 to 701+20, RT rolled erosion control product Filter rock checkdams with 700+22 to 700+45, LT Silt fence 109+11 to 110+22 RT Silt fence 107+47 to 108+49, LT Roadway obliteration Ordinary high water Filter rock check dams 110+42 to 112+40 Silt fence 109+20 to 110+43, LT Clearing limit RESUME PROJECT 103+00 rolled erosion control product Filter rock checkdams with 103+00 to 107+52, LT Silt fence 103+00 to 108+68, RT Ordinary high water LEGEND JULY1332 N 1 1 5 Filter rock checkdam 112+71 to 117+02, LT Clearing limit Filter rock checkdam 112+63 to 117+02, RT rolled erosion control product Filter rock checkdam with 111+40 to 112+63, RT Clearing limit 117+03.39 END PROJECT Temporary Flow Barrier River Access Permanent Impact Temporary Impact Culvert Ordinary High Water Stream Wetland OHW LEGEND 14 32 JULY 2017 U P P E R H O H R O A D B A N K S T A B I L I Z A T I O N A N D C U L V E R T R E P L A C E M E N T J E F F E R S O N C O U N T Y , W A S H I N G T O N 0 1 0 2 0 3 0 4 0 5 0 6 0 7 0 6 0 5 0 4 0 3 0 2 0 1 0 7 0 270260250240 8 0 9 0 1 0 0 1 1 0 120130140150 8 0 9 0 1 0 0 1 1 0 1 2 0 1 3 0 N S C A L E I N F E E T 0 1 0 1 0 2 0 2 5 F l o w F l o w 5 0 - y e a r w a t e r s u r f a c e , 4 6 0 . 0 O H W , 2 5 2 . 6 H o h R i v e r 2 6 0 2 6 0 2602 6 5 270 2 7 5 275T H o h R i v e r L C E x i s t i n g r o a d locate as n e e d e d Temporary f l o w b a r r i e r , E x i s t i n g s t r e a m b o t t o m N e w p r e c a s t w i n g w a l l F l o w l i n e m a t e r i a l C o n s e r v e d s t r e a m b e d M a t c h e x i s t i n g s t r e a m b o t t o m E l e v 2 6 3 . 8 ' E l e v 2 4 1 . 8 ' ( L = 4 0 ' ) c o n c r e t e b o x c u l v e r t N e w 1 6 ' x 1 6 ' p r e c a s t 0 . 1 2 F t / F t N e w p r e c a s t w i n g w a l l E l e v 2 4 4 . 8 ' 1 1 transiti o n t o e x i s t i n g s t r e a m c h a n n e l shape a n d l o c a t e f o r s m o o t h New str e a m c h a n n e l C L , 7 0 L . F . , locate as needed barrier,Temporary flow L C L C l o c a t e a s n e e d e d T e m p o r a r y f l o w b a r r i e r , g r a d e c o n t o u r E x i s t i n g P l a c e d r i p r a p , c l a s s 3 E x i s t i n g r o a d N e w c u l v e r t P l a c e d r i p r a p , c l a s s 3 ( L - 8 ' ) N e w p r e c a s t w i n g w a l l ( L - 2 4 ' ) N e w p r e c a s t w i n g w a l l ( L - 4 0 ' ) c o n c r e t e b o x c u l v e r t N e w 1 6 ' x 1 6 ' p r e c a s t e l e v 2 5 4 . 0 l o c a t e a s n e e d e d , T e m p o r a r y f l o w b a r r i e r , P r o p o s e d w o o d b u f f e r E l e v 2 6 3 . 8 ' "2 1 4 '-3 "2 1 4 '-3 E l e v 2 5 1 . 8 ' E l e v 2 5 8 . 8 ' A MP 4.38 CULVERTPLAN & PROFILE 1215 1 5 3 2 J U L Y 2 0 1 7 U P P E R H O H R O A D B A N K S T A B I L I Z A T I O N A N D C U L V E R T R E P L A C E M E N T J E F F E R S O N C O U N T Y , W A S H I N G T O N C U L V E R T I N L E T C u l v e r t / c h a n n e l C L P l a c e d r i p r a p , c l a s s 3 c o n c r e t e b o x c u l v e r t N e w 1 6 ' x 1 6 ' p r e c a s t F l o w l i n e E l e v 2 5 8 . 8 ' N e w p r e c a s t w i n g w a l l E x i s t i n g 6 6 " C M P 5 ' - 0 " 3'-0" m a t e r i a l C o n s e r v e d s t r e a m b e d T O W , e l e v 2 6 3 . 8 ' E x i s t i n g g r a d e , u p s t r e a m M a t c h e x i s t i n g r o a d s u r f a c e 5 0 - y r W S 2 - y r W S F l o o r e l e v 2 4 4 . 8 ' C U L V E R T O U T L E T E l e v 2 4 1 . 8 ' N e w p r e c a s t w i n g w a l l E l e v 2 5 1 . 8 ' E x i s t i n g s t r e a m b o t t o m F l o w l i n e P l a c e d r i p r a p , c l a s s 3 c o n c r e t e b o x c u l v e r t N e w 1 6 ' x 1 6 ' p r e c a s t C u l v e r t / c h a n n e l C L E x i s t i n g 6 6 " C M P m a t e r i a l C o n s e r v e d s t r e a m b e d 2'-0" T O W , e l e v 2 6 3 . 8 ' M a t c h e x i s t i n g r o a d s u r f a c e 5 0 - y r W S 2 - y r W S F l o o r e l e v 2 4 4 . 8 ' MP 4.38 CULVERTELEVATIONS 16 1 6 3 2 J U L Y 2 0 1 7 U P P E R H O H R O A D B A N K S T A B I L I Z A T I O N A N D C U L V E R T R E P L A C E M E N T J E F F E R S O N C O U N T Y , W A S H I N G T O N P L A N Flow A A BB L O C A T I O N ( e a c h ) S T O N E H A B I T A T ( f t ) D ( f t ) W ( i n ) G R A D A T I O N C O B B L E S T R E A M B E D I N F I L L I N F O R M A T I O N A L Q U A N T I T I E S ( c u y d ) C O B B L E S T R E A M B E D ( c u y d ) S E D I M E N T S T R E A M B E D 1 2 C l a s s E 9 _ _ 1 4 _ _ ( c u y d ) S T O N E B A N K 1 6 3 0 ( i n + / - 4 ) B O U L D E R D I A M E T E R F I S H P A S S A G E I T E M D E S C R I P T I O N U N I T e a c h 6 4 7 0 3 - 6 0 0 0 6 4 7 0 4 - 1 0 0 0 Q U A N T I T Y M I T I G A T I O N Q U A N T I T I E S F i s h p a s s a g e b o u l d e r S t r e a m b e d m a t e r i a l c u y d _ _ 8 0 _ _ _ _ _ _ 1 7 0 M P 4 . 0 A O P C u l v e r t 1 S E C T I O N A - A L C 2 C u l v e r t w a l l Channel flowline 2 D (typ.)D (typ.)41 S t r e a m b e d s e d i m e n t 4 R o u n d p i p e c u l v e r t w a l l S t r e a m b e d t o p 5 R o u n d c u l v e r t P i p e a r c h c u l v e r t W B a n k s t o n e B a n k s t o n e S t r e a m b e d s e d i m e n t S t r e a m b e d c o b b l e C h a n n e l f l o w l i n e P i p e a r c h c u l v e r t w a l l B o x c u l v e r t w a l l 18" burial depth burial depth b o u l d e r F i s h p a s s a g e b o u l d e r F i s h p a s s a g e MP 4.38 SIMULATED STREA M CULVERT INTERIOR TREATMENT 17 1 7 3 2 J U L Y 2 0 1 7 U P P E R H O H R O A D B A N K S T A B I L I Z A T I O N A N D C U L V E R T R E P L A C E M E N T J E F F E R S O N C O U N T Y , W A S H I N G T O N N O T E : F O O T N O T E : 3 . 2 . 1 . S t a g g e r i n - c h a n n e l f i s h p a s s a g e b o u l d e r w i t h i n t h e c u l v e r t s p a n . s t r e a m b e d c o b b l e , a n d b a n k s t o n e g r a d a t i o n s . S e e s p e c i a l c o n t r a c t r e q u i r e m e n t s f o r s t r e a m b e d s e d i m e n t , M i x s t r e a m b e d c o b b l e s e v e n l y t h r o u g h o u t s t r e a m b e d s e d i m e n t . M a t e r i a l . Q u a n t i t i e s i n c l u d e d i n I t e m 6 4 7 0 4 - 1 0 0 0 M i t i g a t i o n , S t r e a m b e d 1 8 - i n c h e s o r a s s p e c i f i e d o n p l a n s h e e t . s m a l l e s t d i m e n s i o n . 4 3 E m b e d f i s h p a s s a g e b o u l d e r s w i t h i n a c t i v e c h a n n e l s t r e a m b e d s e d i m e n t . C o n s t r u c t w e l l d e f i n e d b a n k s w i t h b a n k s t o n e a n d p a r a b o l i c s h a p e . S l o p e s t r e a m b e d a g g r e g a t e t o w a r d s f l o w l i n e t o e n s u r e 1 2 3 4 5 F l o w s e d i m e n t S t r e a m b e d D 2 1 Streamb e d c o b b l e D ( t y p . ) ( t y p . ) 3 3 6 " m i n . o r L e n g t h o n p l a n s h e e t C u l v e r t o u t l e t Culvert inlet b o u l d e r F i s h p a s s a g e MP 4.38SIMULATED STREA M CULVERT INTERIORTREATMENT S E C T I O N B - B 18 1 8 3 2 J U L Y U P P E R H O H R O A D B A N K S T A B I L I Z A T I O N A N D C U L V E R T R E P L A C E M E N T J E F F E R S O N C O U N T Y , W A S H I N G T O N SITE PLAN(EXISTINGCONDITIONS)TOWER CREEKBRIDGEPLAN & PROFILE P L A N P L A N S C A L E I N F E E T 4 0 2 0 0 1 0 2 0 7 7 7 8 FlowFlow W i d t h 2 0 ' C h a n n e l B o t t o m D e g r a d e d W i d t h 4 1 ' C h a n n e l B o t t o m s t r e a m c h a n n e l C e n t e r l i n e p r o p o s e d p r o p o s e d c h a n n e l B o t t o m e d g e o f C h a n n e l B o t t o m E l . = 3 3 3 . 8 N 3 1 5 0 9 0 . 4 5 , E 8 3 3 3 4 7 . 6 4 S t a 7 7 + 4 7 . 2 9 r o a d w a y c e n t e r l i n e P r o p o s e d 30 3 3 5 340 3 4 0 3 4 5 350 3 5 0 350 3 5 5 3 5 5 355 355 360 360 3 6 0 3 6 5 3 5 0 3 6 0 3 7 0 N C e n t e r l i n e p r o p o s e d s t r e a m c h a n n e l N O T E : S E E T O W E R C R E E K B R I D G E P R O F I L E , F I G U R E 1 1 . 19 1 9 3 2 J U L Y U P P E R H O H R O A D B A N K S T A B I L I Z A T I O N A N D C U L V E R T R E P L A C E M E N T J E F F E R S O N C O U N T Y , W A S H I N G T O N SITE PLAN(EXISTINGCONDITIONS)TOWER CREEKBRIDGE PLAN &PROFILE P R O F I L E E L E V A T I O N 76+00 7 6 + 5 0 7 7 + 0 0 7 7 + 5 0 7 8 + 0 0 7 8 + 5 0 3 6 0 3 4 0 3 2 0 3 0 0 E l . 3 4 4 . 1 0 E l . 3 2 7 . 8 0 7 0 ' W a t e r w a y 1 5' 6' 2 1 1 . 7 5 W i d t h 2 0 ' D e g r a d e d w i d t h 4 1 ' C h a n n e l b o t t o m a t r o a d c e n t e r l i n e E x i s t i n g g r o u n d a t r o a d c e n t e r l i n e f i n i s h g r a d e P r o p o s e d P l a c e d r i p r a p , c l a s s 4 c e n t e r l i n e E l . = 3 3 3 . 8 0 @ r o a d P r o p o s e d c h a n n e l b o t t o m E l . = 3 4 2 . 1 0 5 0 - y r W S E l . = 3 4 5 . 1 0 M i n . l o w c h o r d 360 340320300 S C A L E I N F E E T 4 0 2 0 0 1 0 2 0 QVel.500Q 100Q 50Q 2Q SLOPE P R O T E C T I O N C L A S S : 4 WS ELEV.TYPE: R i p r a p 669 538 481 2298.9 8.4 8.1 6.5342.6 342.2 342.1 341.2 D E P T H : 5 f t . S L O P E : 1 . 7 5 ( h ) : 1 ( v ) BOTTOM E L . : 3 2 7 . 8 f t . TOP EL. : 3 4 4 . 1 f t . REMAR K S : S c o u r i n c l u d e s l o n g - t e r m d e g r a d a t i o n . ) 5 0 0 ) ; 3 2 4 . 9 f t . ( Q 1 0 0 TOTAL S C O U R E L : 3 2 5 . 3 f t . ( Q N O T E : S E E T O W E R C R E E K B R I D G E P L A N , F I G U R E 1 0 . 20 2 0 3 2 J U L Y SCALE IN FEET 402001020 N PLAN F l o w 1 1 0 F l o w Width 20' Channel Bottom stream channel Centerline proposedproposed channel Bottom edge of Channel Bottom El. = 395.63 N 313505.32, E 845200.69 Sta 108+95.16 (Upstream Alignment Option) Proposed Roadway Centerline H 4 2 0 395 4 0 0 4 0 0 4 0 5 4 1 0 4 1 5 4 1 5 4 2 0 4 2 0 4 2 5 425 4 2 5 4 2 5 430 4 3 0 4 3 5 4 3 5 4 3 5 CL NOTE: SEE CANYON CREEK BRIDGE PROFILE, FIGURE PLAN 22 21 32 JULY NOTE: SEE CANYON CREEK BRIDGE PLAN, FIGURE PROFILE Q Vel. 500Q 100Q 50Q 2Q SLOPE PROTECTION CLASS: 4 WS ELEV. TYPE: Riprap 626 504 450 215 9.3 8.7 8.5 6.8 399.3 398.9 398.7 397.8 TOP EL.: 401.00 ft. BOTTOM EL.: 394.30 ft.SLOPE: 1.75(h):1(v) DEPTH: 5 ft.(4 ft. bottom) REMARKS: Scour includes long-term degradation. )500); 377.1 ft. (Q100TOTAL SCOUR EL: 390.2 ft. (Q SCALE IN FEET 402001020 107+50 108+00 108+50 109+50 110+00109+00 CL width 20' Channel bottom El. 401.00 El. 394.30 31' Waterway 1 5 ' 1.5 1.75 1 4 ' at road centerline finish grade Proposed at road centerline Existing ground El. = 398.7 50-yr WS Placed riprap, class 4 centerline El. = 395.63 @ road Proposed channel bottom El. = 402.00 Min. low chord 4 3 0 430 410 390 370 430 410 390 370 21 22 32 JULY Existing bank toe Existing bank toe Existing bank top Existing bank top Defector rootwad, 7 Deflector rootwad, random, 7 ELJ unit limits ELJ unit limits Deflector log bundle, random, 15 Deflector log bundle, 10 Layer A elements NO SCALE Flow 75'-0" 2 0 ' - 0 " Flow 4 5 ° 7 ' ( t y p . ) LAYER A PLAN LAYER B PLAN A A A A Flow 23 32 JULY 8'-4" 8 ' - 4 " 1 ' - 8 " 3'-0" Fluke Trunk DOLOS DETAIL OHW Place deflector logs to min. design elev, per plan, repeat Layer B as needed Deflector log-dolos bundle 5' min. Match existing grade 2 0 ' t o 2 3 ' 50-year W.S. 3 ' m i n . Existing embankment pavement edge Existing road Per plan TYPICAL SECTION Existing channel bottom L a y e r B Existing road CL over deflector logs Placed coarse woody debris, min. 1' Layer A Geotextile, class 1C Set trunk base on channel bottom Dolos Dolos, center in log bundle Deflector log bundle Deflector log bundle Wrap each log bundle and dolos trunk with chain Wrap each log bundle and dolos trunk with chain DETAIL TYPICAL DEFLECTOR LOG-DOLOS BUNDLE Notes: buffer bottom within 1 foot of nearest water surface elevation. Excavate and conserve streambed material as needed for setting wood 6 defector rootwads. Layer B; 15 randomly placed deflector log-dolos bundles and space between fill logs and deflector logs. vegetation, 1-inch to 8-inch diameter, tightly pack into void Coarse woody debris; even mixture of branches, limbs, trunks, weight. Deflector log bundle; 110 to 150 ft3 total log volume, 16,000 lbs dolos attached rootwad. Deflector rootwad; 20 to 22 feet trunk, 18 to 37-inch diameter with attached rootwad. Deflector log; 20 to 22 feet trunk, 18 to 37-inch diameter without 6. 5. 4. 3. 2. 1. NO SCALE 24 32 JULY 2'-0"8'-0" SECTION B Set hingeline at OHW Existing embankment trench method Pole plantings, elev 6830 gravel-cobble crest, Placed conserved gravel-cobble Placed conserved Placed conserved gravel-cobble toe Flow A Existing embankment OHWOHW 2'-0"8'-0" 20'-0" +/- SECTION A 1 1 Stream bottom Set hingeline at OHW Placed gravel-cobble toe Stream bottom gravel-cobble Placed conserved trench method single group or Pole plantings, Bank toe at OHW gravel-cobble crest Placed conserved gravel-cobble redistribute as placed conserved conserved gravel-cobble, Temporary work pad, PLAN method single group Pole plantings, 2' to 3'A B B C C Stream bank toe Set hingeline at OHW trench method Pole plantings, Elevation 6830 gravel-cobble crest Placed conserved p ngs, Flow 2' to 3' 3 5 ° t o 5 0 ° SECTION C Stream bottom gravel-cobble crest Placed conserved trench method Pole plantings, placing conserved streambed material. Do not excavate existing stream bank or bottom when streamed material. Do not disturb existing trees when placing conserved 2. 1. NOTE: 25 32 JULY UPPER HOH ROAD BANK STABILIZATION AND CULVERT REPLACEMENT JEFFERSON COUNTY, WASHINGTON CHANNEL HABITAT PRESERVATION LINDNER CREEK MITIGATION SITE 26 32 JULY UPPER HOH ROAD BANK STABILIZATION AND CULVERT REPLACEMENT JEFFERSON COUNTY, WASHINGTON CHANNEL HABITAT PRESERVATION LINDNER CREEK MITIGATION SITE 27 32 JULY UPPER HOH ROAD BANK STABILIZATION AND CULVERT REPLACEMENT JEFFERSON COUNTY, WASHINGTON CHANNEL HABITAT PRESERVATION LINDNER CREEK MITIGATION SITE 28 32 JULY UPPER HOH ROAD BANK STABILIZATION AND CULVERT REPLACEMENT JEFFERSON COUNTY, WASHINGTON CHANNEL HABITAT PRESERVATION LINDNER CREEK MITIGATION SITE 29 32 JULY UPPER HOH ROAD BANK STABILIZATION AND CULVERT REPLACEMENT JEFFERSON COUNTY, WASHINGTON CHANNEL HABITAT PRESERVATION LINDNER CREEK MITIGATION SITE 32 JULY30 3231 JULY 32 32 32 JULY