SI-29 (OLD)

SI-28 (OLD)

SI-101

SI-26

APPROXIMATE

3

2

1

RIP

RA

P C

HA

NN

EL

PREVIOUS SCARP CRACK

LANDSLIDE IN PREVIOUS ALIGNMENT

800mm DIA.

CULVERT OUTLET

CULVERT 1/2 FULL OF WATER

(INSUFFICIENT GRADIENT)

2m HIGH, 300 mm DIA.

BROWN PIPE

SURFACE WATER FEEDING SCARP

6

SOME FRESH SCARP MOVEMENT

CRACKS 2m SOUTH OF FENCE

SLUMP

0.2m DIP IN HIGHWAY

800mm DIA.

CULVERT OUTLET EDGE OF SLIDE 2

BACKSCARP ON SOUTH

EDGE OF OLD HIGHWAY

3

0

m

4

5

m

7

5

m

6

0

m

1

0

m

2

0

m

5

4

SCARP

CRACK

SEEPAGE

A

P

P

R

O

X

I

M

A

T

E

T

O

E

B

E

R

M

L

O

C

A

T

I

O

N

S

L

U

M

P

DRAINAGE

CHANNEL

HEADSCARP OF

EROSION RAVINE

WET SIDESLOPE SPOT

OLD SLUMPS

(SAME IN 2013)

SOME WATER

PONDING IN CULVERT

LESS ACTIVE

SLIDE BLOCK

TOE PUSHED

IN DITCH

OLD NATURAL

SLIDE IN BUSH

EROSION RILLING ALONG

NORTH GRAVELLED

SHOULDER EMBANKMENT

2m WIDE SEEPAGE AREA

OLD SI-27

SI-30

(BLUE PIPE)

50mm WIDE & 0.6m HIGH OPEN

SCARP CRACK APPROXIMATELY

10m FROM EGDE OF HIGHWAY

DIP IN HIGHWAY

OVER CULVERT

OLD SCARPS

SLIDE SCARPS

7

2

5

m

0 50 100

SCALE 1:3000

150 200 m25 75

LEGEND

DIRECTION AND NUMBER OF PHOTO

1

1. FEATURE LOCATIONS ARE APPROXIMATE

NOTES :

3. JUNE 6, 2013 OBSERVATIONS SHOWN IN RED

2. PREVIOUS OBSERVATIONS SHOWN IN BLACK

4. FOR RECENT DETAILS AND PHOTOS OF SITE #6, SEE FIGURE PH21_SITE #6-2

BASE AIRPHOTO TAKEN IN JULY 16, 1999

KLW

BDM

DWP

1:3000

JUNE 6, 2013

15-16-283

2013 PH21 INSPECTION PLAN

Z:\1

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83

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-1

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ayo

ut1

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3

PEACE REGION (PEACE RIVER/HIGH LEVEL)

PH21 CLEAR RIVER WEST HILL - SITE #2 AND #6

FIGURE PH21_SITE #2 AND #6-1

Transportation

SCALE

DESIGNED BY

DRAWN BY

DATE

APPROVED BY

FILE No.

W

E

S

T

E

A

S

T

KEY MAP - SCALE 1:1,500,000

6243649

0333682

6

2

4

3

7

1

5

0

3

3

3

5

5

0

T

o

e

P

u

s

h

I

n

D

i

t

c

h

C

o

-

O

r

d

i

n

a

t

e

s

a

t

30m

80m

20m

SI/P

10m

55m

20m

Ditch

A

r

e

a

w

i

t

h

A

l

l

i

g

a

t

o

r

C

r

a

c

k

s

a

n

d

5

0

m

m

D

e

e

p

R

u

t

t

i

n

g

10m

25m

SI/P

SI/P

Ditch Erosion

20m Long x 0.5m Wide x

0.3m Deep (SAME IN 2008)

Dip in Highway

Alligator

Cracking

(2004)

Sealed Cracks

Congregated

C

hannel

D

ra

in

a

g

e

L

in

e

d

R

ip

ra

p

BH01-01

SI CLR101

BH01-03

SP 01-03

SI CLR102

BH01-02

Graben

Possible Toe of Slide

Treeline

Treeline

4

8

2

.5

4

5

0

Slide Scarp

X-Section

Sta 0+000

A

A'

Dra

inage

Ditch

4

5

2

.

5

4

5

5

4

5

7

.

5

4

6

0

4

6

2

.

5

472.5

4

7

5

4

7

7

.

5

4

8

0

482.5

4

8

5

4

8

5

4

8

2

.

5

4

8

0

4

8

0

4

8

0

4

8

2

.5

4

8

0

4

8

2

.5

4

8

0

4

7

7

.5

475

4

7

2

.

5

4

7

0

4

6

7

.

5

4

6

5

4

6

2

.

5

460

457.5

4

5

5

4

5

2

.

5

4

5

0

4

4

5

X

-

S

e

c

t

i

o

n

L

i

n

e

X

-

S

e

c

t

i

o

n

L

i

n

e

Gravel Riprap

Ø

0

.

7

1

C

M

P

S

o

u

t

h

D

i

t

c

h

l

i

n

e

N

o

r

t

h

D

i

t

c

h

l

i

n

e

O

l

d

R

o

a

d

b

e

d

G

r

a

v

e

l

R

o

a

d

F

e

n

c

e

lin

e

A

s

p

h

a

lt

G

u

a

rd

ra

il

N

o

r

t

h

D

i

t

c

h

l

i

n

e

8

0

0

C

M

P

N

o

r

t

h

S

h

o

u

ld

e

r

C

r

a

c

k

s

S

u

r

f

a

c

e

C

r

a

c

k

s

B

a

r

b

w

ir

e

F

e

n

c

e

lin

e

S

o

u

th

D

itc

h

lin

e

A

s

p

h

a

lt

H

W

Y

6

4

:0

2

SE1/4 SEC. 29-84-11-6

SE1/4 SEC. 29-84-11-6

SW1/4 SEC. 28-84-11-6

SW1/4 SEC. 28-84-11-6

COORDINATES

0333639

6243722

TOP OF SLIDE

Crack Co-Ordinates

20m

H

W

Y

6

4

:

0

2

Crack Co-Ordinates

0333735

6243622

(NON FUNCTIONAL)

(NON FUNCTIONAL)

E

R

O

S

I

O

N

R

I

L

L

I

N

G

C

R

A

C

K

6

0

m

2

0

m

~

1

0

m

~

2

0

m

(SAME IN 2008)

Culvert

Minor Erosion

INLET IS CLEAN

S

L

U

M

P

A

R

E

A

D

r

a

i

n

a

g

e

D

i

t

c

h

X

-

S

e

c

t

i

o

n

L

i

n

e

30m

Seepage Through A

Crack in Pavement

S

o

u

t

h

S

h

o

u

ld

e

r

Crack Crosses

Driving Lane Into

Shoulder Here

WEST BOUND LANE IS DOUBLE WIDE

(I.E. HAS A CLIMBING LANE)

ALL THROUGH SITE

A Few Small Erosion Runoff

Rills off of Highway

M

U

L

T

I-D

IR

E

C

T

IO

N

A

L

P

O

L

Y

G

O

N

C

R

A

C

K

IN

G

4

0

m

SMALL BACKSLOPE

SLUMPING / RAVELLING

ABOVE ROAD ~1.5m HIGH

CRACKS REAPPEARED

THROUGH 2008 ASPHALT

OVERLAY OVER A GREATER

LENGTH (10mm WIDE)

SIGN: SLIDE AREA -

BE PREPARE TO STOP

SOME

ADDITIONAL

CREEP

(SAME IN 2010)

NO SEEPAGE

IN ACP IN 2013

DIP IN HWY AND

SIDESLOPE

2 CRACKS, EACH

5mm WIDE AND

FRESHLY SEALED

(SAME IN 2013)

N

O

C

H

A

N

G

E

FINE CRACK

CRACK

SEEPAGE

SIGN: Slide Area

Be Prepared To Stop

S

L

U

M

P

G

R

O

W

N

O

V

E

R

W

I

T

H

G

R

A

S

S

A

N

D

S

M

A

L

L

S

H

R

U

B

S

S

O

M

E

F

R

E

S

H

S

C

A

R

P

M

O

V

E

M

E

N

T

(G

OO

D SHAPE I N 2

010

)

Culvert Outlet 1/2

To 2/3 Full of Silt

EASTERLY 1/2 OF CRACK IS BRAIDED, UP TO

20mm WIDE AND FRESHLY SEALED

(SAME IN 2013)

SOUTHERN MOST 10m OF CRACK ON SHOULDER

EROSION RILLING WORSE

0.45m DEEP x 0.8m WIDE

CRACKS 20-40mm

WIDE x 20mm DEEP

(SAME IN 2013)

SPRING

2m WIDE

SEEPAGE AREA

SI/P

20m

SP

SI

SLOPE INCLINOMETER

STANDPIPE PIEZOMETER

BOREHOLE / INSTRUMENTATION LOCATIONS

LEGEND

3. SLIDE WAS REMEDIATED IN 2003 BY PLACING A TOE BERM.

2. SITE SURVEY WAS COMPLETED ON SEPTEMBER 13, 2001.

(FIGURE 3 - AMEC PROJECT NO. EG08628.20 DATED SEP. 2002)

1. DRAWING REFERENCE : AMEC EARTH & ENVIRONMENTAL LIMITED

NOTES

60m5040302010

SCALE 1:1000

0

4. JUNE 6, 2013 OBSERVATIONS SHOWN IN RED

PROPOSED INSTRUMENTATION

SI/P

10mPROPOSED DEPTH

SI = INCLINOMETER, P = PIEZOMETER

CRACK

GENERAL 2013 NOTES:

1. 2008 OVERLAY IS STILL INTACT AND IN GOOD SHAPE.

2. SOME SUBSIDENCE OVER 65m DISTANCE ALONG NORTH

SHOULDER BEHIND SLIDE SCARP.

3. SOME ONGOING - SLOW CREEP AS NOTED BY MORE

PRONOUNCED DIP IN ROAD AND SPREADING OF 2011

SEALED CRACKS.

4. MAJOR RILLING ON GRAVELED SHOULDER / SIDESLOPE.

KLW

BDM

DWP

1:1000

JUNE 6, 2012

15-16-283

2013 PH21 INSPECTION PLAN

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-2

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H2

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6-2

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9, 2

01

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FIGURE PH21_SITE #6-2

Transportation

SCALE

DESIGNED BY

DRAWN BY

DATE

APPROVED BY

FILE No.

W

E

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8

8

9

10

11

14

13

DIRECTION AND NUMBER OF PHOTO

12