H:\13000\13351 Geohazard Assessment - Peace RiverHigh Level (CON0017602)\Drafting\2017\BDM\13351 PH010.dwg - FIGURE 1 - Dec. 21, 2017 Worsley SITE AREA Eureka (PH010-1, PH010-2) River Eureka River 726 River Cleardale 730 64 E e r v Creek i R Clear Peace Hines Creek 685 N S Hines 685 729 732 BRITISH COLUMBIA W 682 A 681 T Fairview R 725 E B L Blueberry Mountain A 719 Dunvegan Peace 49 DAWSON CREEK Spirit River CRACK Rycroft Wanham 2 731 677 677 Woking 2 River 733 724 43 La Glace 59 Smoky 674 Sexsmith 672 EXPOSED GRAVEL DRAIN SI02-2 672 724 723 736 SI98-1 SI02-3 PH010-1 670 43 Grande Prairie Wembley WEST EDGE OF RIVER (SITE 2) SI02-1 KEY MAP - SCALE 1:1,500,000 1/2 CULVERT CENTERLINE NOTES SI08-4 1. LOCATIONS OF TEST HOLES SI02-1 & SI02-2 ARE APPROXIMATE. PH010-2 2. SLIDE FEATURES RECORDED USING A HAND HELD GPS. (SITE 1) SITE 4 SI98-2 MOVEMENT VECTOR SCALE 1:2,500,000 T CRACK R E V L U C CRACKED AREA H MANHOLE AC CURB C R A 0 20 40 60 80 m SCALE 1:1500 Transportation EAST EDGE OF EUREKA RIVER P E A C E R E G O I N ( P E A C E R V I E R / H G I H L E V E L ) P H 0 1 0 H W Y 7 2 6 0 : 2 S O U T H O F W O R S E L Y , S T I E S # 1 , # 2 & # 4 2017 PH010 INSPECTION PLAN DWG No. 13351-PH010 DRAWN BY ML DESIGNED BY BDM APPROVED BY DWP SCALE 1:1500 DATE MAY 31, 2017 FILE No. 13351
STREAM GAUGING STATION 594 1-800-CANADA H:\13000\13351 Geohazard Assessment - Peace RiverHigh Level (CON0017602)\Drafting\2017\BDM\13351 PH010-1-1.dwg - 2 - Dec. 21, 2017 A R 1/2 CULVERT CENTERLINE C H C U MANHOLE ' MORE MOVEMENT IN SLIDE 5 L E 9 V 6 E NOTES R RIPRAP (HAS A GAP IN 5 T 9 630 8 CENTRE OF IT) EROSION 625 630 1. LOCATIONS OF TEST HOLES SI02-1 & SI02-2 WERE APPROXIMATED ONLY. 6 0 9 620 2. SLIDE SITE FEATURES RECORDED USING A HAND HELD GPS. 0 EROSION AT OUTLET OF 1/2 CULVERT 6 3. PROPOSED PILE WALL LOCATIONS. 10 0 2 A.C. CURB IS BREACHED ACTIVE SLIDE ZONE - FURTHER RETROGRESSION 4. PROPOSED RIP RAP ARMOUR. HERE, AND WATER RUNS 604 0. 7m SCARP OUT & CREATED 0.5m DEEP x 5. MOVEMENT VECTORS 1:3,000 mm/yr. 6 16m 0 PH010-2 1.2m WIDE x 3.0m LONG 6 5 OLDER SLUMP 6. GROUND SURFACE CONDITIONS WERE DEVELOPED BASED ON LIDAR DATA. 1 6 6 0 EROSION RILLING ON 8 (SITE 1) 7. MORE SLIDE MOVEMENT AT SITE 1 SINCE LAST YEAR. SUBSTANTIALLY MORE 610 SIDESLOPE (NEEDS REPAIR) BEAVER 11 DAM CHANGE IN MOVEMENT AT SITE 2 CLOSER TO RIVER WITH MORE CRACKING / 612 SLUMPING, BUT LESS MOVEMENT UP HIGHER NEARER HIGHWAY. 614 8. CONDITIONS ON MAY 31, 2017 SHOWN IN RED. 594 AC CURB 6 9 6 RIVERBANK 5 5 2 N 5 9 SLUMPING 8 600 ~20m LONG 6 2 EXPOSED 0 GRAVEL W E DRAIN 30m LONG & 30-50mm WIDE CRACK WITH 25mm DROP 5 65m LONG PATCH IN S 1 23m LONG CRACK SOUTH BOUND LANE 6 APPEARS TO BE A SLIDE CRACK DIP 610 (~50m LONG) 300mm SCARP LEGEND 6 SITE 4 0 5 6 TEST HOLE LOCATIONS 0 0 GRABEN DEVELOPING CRACKS SI08-4 15m LONG CRACK IN 1m HIGH SCARP (MORE MOVEMENT) 7 OUTSIDE WHEEL PATH 4 VERY ACTIVE SLIDE BLOCK, LARGE OPEN SLIDE SCARP / CRACK OF NORTHBOUND LANE ≤ 3 m HIGH); MORE TOP / SIDE SCARPS ( 8 MOVEMENT SINCE 2015; TELUS CABLE E ' F PHOTO AND DIRECTION EXPOSED 1 DRIFTWOOD PILED UP FROM HIGH WATER PONDED WATER DIP IN HWY SI02-3 (~3.5m ABOVE PRESENT WATER LEVEL) 0.8m OVERHEAD POWER LINE SCARP 6 35m LONG CRACK ALONG CENTER CLAY BANK AND OUTSIDE WHEEL PATH OF EXPOSURE DRAINAGE SI02-2 NORTHBOUND LANE (SAME) 5 9 LEANING 5 MOVEMENT VECTOR TREES OPTION 1B 3 10m LONG SUBGRADE FAILURE IN 1m HIGH SCARP (PREFERRED OPTION) SOUTHBOUND LANE; RUTS HIGHWAY PATCH ~120mm DEEP (PATCHED IN 2014) PONDED WATER IN SAG POND IN SI98-1 DITCH (KITCHTON PLACED MATERIAL 595 OPTION 1A TO HELP DRAIN IT) (SAME) PH010-1 (SITE 2) SLIDE 2 OUTLINE 630 600 5 (0.4m HIGHSCARP IN DITCH) SI02-1 0 20 40 60 80 100 120m 605 F SI98-2 SCALE 1:2000 GRABEN SLIDE BLOCK 6 1 0 2 CRACKS, POSSIBLY 615 CONNECTED TO SLIDE 1 3m WIDE SCARP CRACK AREA Transportation OFF EAST SIDE OF HWY AND 0.7m DEEP MILLED AND PATCHED AT BOTH NEW SCARP ALONG HIGHWAY EDGES OF SLIDE TO SMOOTHEN IT P E A C E R E G I O N ( P E A C E R V I E R / H I G H L E V E L ) EMBANKMENT OUT: REFLECTIVE CRACKS HAVE 620 P H 0 1 0 - 1 H W Y 7 2 6 : 0 2 S O U T H O F W O R S L E Y , RE-APPEARED 625 BACKSLOPE SLUMPING S T I E S # 1 # , 2 & # 4 30mm WIDE x10mm DROP (SAME) SOME GRASS GROWING 2017 PH010-1 INSPECTION PLAN DWG No. 13351-PH010-1-1 DRAWN BY ML DESIGNED BY BDM APPROVED BY DWP SCALE 1:2000 OPTION 3 DATE MAY 31, 2017 FILE No. 13351
H:\13000\13351 Geohazard Assessment - Peace RiverHigh Level (CON0017602)\Drafting\2017\BDM\13351 PH010-1-2.dwg - 3 - Dec. 21, 2017 SECTION D-D' (SITE 6 - PH26 NORTH SIDE OF RIVER) HWY CL 630 630 620 620 DEPRESSED AREA SI11-5 ELEVATION (m) ELEVATION (m) GRAVEL (FILL) 7 7 CLAY (FILL) ? 10 610 610 7 5 ? 7 ? EUREKA RIVER 4 ? 6 7 ? ? ? 6 600 600 6 ? ? 6 ? ? 7 CLAY ? 9 ? ? ? ? 10 ? 7 ? ? 590 ? ? 9 590 ? ? ? ? ? ? ? ? ? ? ? 7 ? ? ? ? ? ? ? ? ? 7 10 10 CLAY (TILL) 34 580 580 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 330 340 DISTANCE (m) SECTION E-E' (SITE 1) 630 630 SITE 1 SLIDE SCARP 620 620 ELEVATION (m) ELEVATION (m) HWY CL 610 610 EUREKA RIVER 600 600 ? ? 590 590 ? ? ? ? 580 580 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250 260 270 280 290 300 310 320 DISTANCE (m) SITE 2 SLIDE SCARP SECTION F-F' (SITE 2) 630 630 HWY CL ELEVATION (m) ELEVATION (m) 620 620 SI98-2 ? CLAY GRAVEL 15 610 610 ? SI98-1 13 CLAY EUREKA RIVER GRAVEL CLAY ? 11 6 ? 24 11 600 600 ? ? CLAY 13 12 ? ? 13 ? ? ? 13 ? ? ? 590 ? ? ? ? ? ? 590 ? ? 0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 DISTANCE (m) Transportation P E A C E R E G I O N ( P E A C E R V I E R / H I G H L E V E L ) P H 0 1 0 1 - H W Y 7 2 6 : 0 2 S O U T H O F W O R S E L Y , LEGEND S T I E S # 1 , # 2 & # 4 CROSS-SECTIONS D-D', E-E' & F-F' 15 SPT N VALUE NOTES DWG No. 13351-PH010-1-2 INFERRED SLIDE SURFACE ? ? 1. DATA CONCERNING THE VARIOUS STRATA HAVE BEEN OBTAINED AT THE TEST HOLE LOCATIONS ONLY. THE SOIL STRATIGRAPHY DRAWN BY ML INFERRED GROUND SURFACE BELOW RIVER BETWEEN TEST HOLES HAS BEEN INFERRED FROM GEOLOGICAL ? ? DESIGNED BY EVIDENCE AND SO MAY VARY FROM THAT SHOWN. BDM 2. THE CROSS SECTIONS ARE BASED ON OCTOBER 2007 LIDAR INFORMATION. APPROVED BY PROPOSED RIPRAP ARMOUR DWP THE ELEVATIONS OF TH98-1 AND TH98-2 WERE NOT KNOWN, AND WERE SCALE ESTIMATED TO MATCH LIDAR ELEVATIONS. 1:1000 MOVEMENT ZONE IN INCLINOMETERS DATE MAY 31, 2017 FILE No. 13351
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