Level 2 BIM - RPW1

Level 2 BIM - RPWLevel 2 BIM Scour Survey

RPW Inspection Case Study

Level 2 BIM - RPW2

Scour Survey

Level 2 BIM - RPW3

Scour Survey

Level 2 BIM - RPW4

Scour Survey

Level 2 BIM - RPW5

Scour Survey

Level 2 BIM - RPW6

Scour Survey

0

5

10

15

20

25

30

35

40

1959

1961

1963

1965

1967

1969

1971

1973

1975

1977

1979

1981

1983

1985

1987

1989

1991

1993

1995

1997

1999

2001

2003

2005

2007

No

. S

cou

r S

urv

eys

Profile

Contour

Level 2 BIM - RPW7

Scour Survey

Priority Initial Latest

1 60 38

2 68 70

3 41 65

Number Of Structures

Level 2 BIM - RPW8

Scour Survey

Level 2 BIM - RPW9

Scour Survey

Level 2 BIM - RPW10

RPW InspectionEmbankment

Spurs

Guidebank

Dyke

Grade ControlStructure

Spurs

EmbankmentSpurs

EmbankmentSpurs

GuidebankGuidebank

DykeDyke

Grade ControlStructure

Grade ControlStructure

SpursSpurs

1

2

3a

3b

4

5

Relative StabilityHigh Low

Rel

ativ

e S

tab

ilit

yH

igh

Lo

w

11

22

3a3a

3b3b

44

55

Relative StabilityHigh Low

Rel

ativ

e S

tab

ilit

yH

igh

Lo

w

Relative StabilityHigh Low

Rel

ativ

e S

tab

ilit

yH

igh

Lo

w

Level 2 BIM - RPW11

RPW InspectionPriority Description No. Sites

1 Multi-channel Gravel Bed 93

2 Active Gravel Bed 48

3 Active Meander 66

Level 2 BIM - RPW12

RPW Inspection

Level 2 BIM - RPW13

RPW Inspection

Level 2 BIM - RPW14

RPW Inspection

Level 2 BIM - RPW15

Case StudyTable 1 Recent Key Findings of the Scour Monitoring Program

File Stream Location Highway Type Observations Action

315 St. Mary's River Cardston M5 Contour Significant local scour at one pier Consider river protection measuresAngle of attack > 50°

1153 Oldman River Lundbreck M22 Contour Stream to Bottom of Footing = 1.0 m Check competency of bedrockTop of Footings Exposed Consider protective rock apron

1741 Highwood River Longview M22 Contour North abutment under attack River protection system designedSlope stability affected

1843 Fallentimber Creek Bergen Local Handrail River protection works required

1963 James River Sundre Local Handrail Scour due to channel alignment changes River protection works required

7447 Bow River Bow City SH539 Contour Stream to Bottom of Footing = 3.2 m Scour protection measures requiredPier concrete deteriorating Review condition of piers

71663 Little Smoky River High Prairie Local Contour Channel lowered due to 1996 flood Determine depth of foundationAssess need for protection measures

75194 Simonette River Goodwin SH734 Contour Slope failure of upstream bank Evaluate and repair upstream bank

78104 McLeod River Peers M32 Contour Stream to Bottom of Footing = 2.1 m Protective measures requiredAngle of attack is 60° Consider apron and guidebanks

70247 McLeod River Edson Local Handrail Stream to Bottom of Footing = 1.2 m Conduct detailed survey

71429 Elbow River Bragg Creek M66 Handrail Top of Footing exposed Conduct detailed survey

74381 North Saskatchewan River Drayton Valley M22 Contour Severe scour at piers, spur River protection works being designed

74710 Berland River Entrance M40 Handrail Stream 0.75 m below pile cap Protection measures required

Level 2 BIM - RPW16

Case Study

BF78104

McLeod River near Peers

Hwy 32

Level 2 BIM - RPW17

Case Study

Level 2 BIM - RPW18

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Level 2 BIM - RPW19

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Level 2 BIM - RPW20

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Level 2 BIM - RPW21

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Level 2 BIM - RPW22

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Level 2 BIM - RPW23

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Level 2 BIM - RPW24

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Level 2 BIM - RPW25

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Level 2 BIM - RPW26

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Level 2 BIM - RPW27

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Level 2 BIM - RPW28

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Level 2 BIM - RPW29

Case Study