PEACE RIVER EAST HILL - HWY 2:60 (PH2) SELECT PHOTOGRAPHS August 22, 2007 File: Photo E003. Station May 2007
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1 Photo E Viewing looking upslope at Site 4 from highway. Conditions unchanged from Photo E Localized erosion within road fill on upslope side of highway.
2 Photo E Looking east at old slope inclinometers installed above rail line and below highway. Photo E New erosion gullying caused by flow from leaking elephant trunk down drain.
3 Photo E Distressed concrete anchor block and detached elephant trunk on down drain. Photo E Viewing looking upslope at anchor block and erosion/ slumping.
4 Photo E Localized erosion within road fill on downslope side of highway. Photo E Looking downslope at erosion gully below blocked culvert.
5 Photo E Apparently inactive erosion at blocked culvert. Photo E to West end of Site 3 looking upslope. Note relatively active shallow landslides above highway.
6 Photo E to View looking downslope and large active landslides below highway at Site 3. Photo E to View looking downslope and large active landslides below highway at Site 3.
7 Photo E to View looking east at active scarp features below highway. Slope inclinometer SI 89 (shown in foreground) showed an increase rate of movement since Fall Photo E to Minor erosion in upslope ditch.
8 Photo E to Looking west at siltation in upslope ditch from debris flow upslope of highway. Photo E to Looking north at siltation in upslope ditch from debris flow upslope of highway.
9 Photo E Active gully erosion approximately 50 m downslope of highway. Photo E Large active erosion/slumping downslope of road culvert.
10 Photo E Moderate erosion occurring at culvert discharge. Photo E Siltation is occurring at outlet of downdrain (gabion structure).
11 Photo E Large active erosion/slumping downslope of down drain discharge. Photo E Siltation developing in front of down drain inlet.
12 Photo E Moderate erosion occurring at culvert discharge. Photo E to Large landslides downslope of highway within Site 2.
13 Photo E Small moderately active shallow instability below highway. Photo E Looking upslope at gullying occurring within road fill below highway.
14 Photo E Damaged culvert and ditch erosion at outlet. Photo E Looking north at new shallow landslide within road fill.
15 Photo E Looking east at new shallow slide within road fill. Note destroyed communication cable and proximity of headscarp to guardrail. Photo E Deep-seated active landslides below highway.
16 Photo E Small shallow slope instability below highway. No immediate concern. Photo E Shallow slumping on upslope side of highway but setback from actual road.
17 Photo E to Looking at upslope portion of landslide at Site 1. Site is considered to be relatively inactive. Photo E to Looking at downslope portion of landslide at Site 1. Site is considered to be relatively inactive.
18 Photo E Large landslide below highway. New tension cracks observed upslope of headscarp (off photo). Photo E Large landslide below gullying and erosion from culvert. No discernible change from 2006.
19 Photo E Significant active gullying and erosion downslope of culvert (looking upslope). Photo E Significant active gullying and erosion downslope of culvert (looking downslope).
20 Photo E View of retaining wall looking east. Piles are tilting outward about 1 degree since Photo E Close-up of pile wall showing increasing gaps and voids as soil in front of wall moves downslope.
21 Photo E to Minor erosion in upslope ditch. Photo E to View looking upslope at upper portion of landslide at Site 2.
22 Photo E Small shallow slump on upslope side of highway. No immediate threat to the road. Photo E to Minor erosion of upslope ditch.
23 Photo E Small shallow slump on upslope side of highway. Photo E Small shallow slump on upslope side of highway.
24 Photo E Small shallow slump on upslope side of highway. Photo E Small shallow slump on upslope side of highway.
25 Photo E Small shallow slump on upslope side of highway. Photo E Small shallow slump on upslope side of highway.
26 Photo E Small shallow slump on upslope side of highway. Photo E to Moderately active landslide on upslope side of highway. Potential exists for debris to block drainage in ditch.
27 Photo E to Moderately active landslide on upslope side of highway. Potential exists for debris to block drainage in ditch.
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