Site Investigation Works 2

Site Investigation Works Location Chainage Area of Failure

: S38 : CH 29+900 (From Ranau) : 6200 sq. m

Brief Description of Road Failure Pavement Road Side Drain Culvert / Sump Embankment Slope Causes of Failure

: Cracked, Potholes & Collapsed : OK : Collapsed together with cascade drain (RHS) : Collapsed (RHS) : None : There is continuous flow of water from uphill on the left hand side of the road to the embankment via a culvert across the road. Water from outlet of culvert (RHS) discharged directly to the embankment surface. Other possible cause of failure is embankment movement.

Photos

1

2

3

4

18 | P a g e

Site Investigation Works Location Chainage Area of Failure

: S39 (New) : CH 30+850 (From Ranau) : 1500 sq. m

Brief Description of Road Failure Pavement Road Side Drain Culvert / Sump Embankment Slope Causes of Failure

: OK : OK : Hidden in the Bushes : Collapsed (RHS) : OK : There is continuous flow of water from uphill on the left hand side of the road to the embankment via a culvert across the road. Water from outlet of culvert discharged directly to the embankment surface, which might trigger landslip. Other possible cause of failure is embankment movement.

Photos

1

2

3

4

19 | P a g e

Site Investigation Works Location Chainage Area of Failure

: S40 : CH 30+980 (From Ranau) : 95 sq. m

Brief Description of Road Failure Pavement Road Side Drain Culvert / Sump Embankment Slope Causes of Failure

: Cracked & Depressed : OK : None : OK : OK : Pavement improperly drained penetrated the surface and road frequently used by heavy trucks.

Photos

1

2

3

4

20 | P a g e

Site Investigation Works Location Chainage Area of Failure

: S41 : CH 31+045 (From Ranau) : 99 sq. m

Brief Description of Road Failure Pavement Road Side Drain Culvert / Sump Embankment Slope Causes of Failure

: Cracked & Depressed : Cracked (RHS) : OK : Depressed : OK : The cause of failure is embankment movement.

Photos

1

2

3

4

21 | P a g e

Site Investigation Works Location Chainage Area of Failure

: S42 : CH 31+200 (From Ranau) : 625 sq. m

Brief Description of Road Failure Pavement Road Side Drain Culvert / Sump Embankment Slope Causes of Failure

: Cracked, Depressed & Settled : Cracked : None : Depressed & Settled : OK : The main cause of failure is high embankment movement. There is continuous flow of water from uphill on the left hand side of the road.

Photos

1

2

3

4

22 | P a g e

Site Investigation Works Location Chainage Area of Failure

: S43 (New) : CH 31+700 (From Ranau) : 15000 sq. m

Brief Description of Road Failure Pavement Road Side Drain Culvert / Sump Embankment Slope Causes of Failure

: Collapsed : Collapsed : Collapsed : Collapsed (RHS) : OK : There is continuous flow of water from uphill on the left hand side of the road to the embankment via a culvert across the road. Loose and soft soil in high embankment slope. Other possible cause of failure is embankment movement.

Photos

1

2

3

4

23 | P a g e

Site Investigation Works Location Chainage Area of Failure

: S44 : CH 32+030 (From Ranau) : 3000 sq. m

Brief Description of Road Failure Pavement Road Side Drain Culvert / Sump Embankment Slope Causes of Failure

: OK : Settled & Collapsed (RHS) : OK : Collapsed (RHS) : OK : There is continuous flow of water from uphill on the left hand side of the road to the embankment via a culvert across the road. Other possible cause of failure is embankment movement.

Photos

1

2

3

4

24 | P a g e

Site Investigation Works Location Chainage Area of Failure

: S45 (New) : CH 32+900 (From Ranau) : 1810 sq. m

Brief Description of Road Failure Pavement Road Side Drain Culvert / Sump Embankment Slope Causes of Failure

: Alligator Cracked & Depressed : OK : None : None : Collapsed (RHS) : Pavement improperly drained penetrated the surface and road frequently used by heavy trucks. There is continuous flow of water from uphill on the right hand side of the road.

Photos

1

2

3

4

25 | P a g e

Site Investigation Works Location Chainage Area of Failure

: S46 (New) : CH 33+060 (From Ranau) : 1290 sq. m

Brief Description of Road Failure Pavement Road Side Drain Culvert / Sump Embankment Slope Causes of Failure

: OK : Collapsed (LHS) : Hidden in the Bushes : Collapsed (LHS) : OK : There is continuous flow of water from uphill on the right hand side of the road to the embankment via a culvert cross the road. Other possible cause of failure is embankment movement.

Photos

1

2

3

4

26 | P a g e

Site Investigation Works Location Chainage Area of Failure

: S47 (New) : CH 33+150 (From Ranau) : 2550 sq. m

Brief Description of Road Failure Pavement Road Side Drain Culvert / Sump Embankment Slope Causes of Failure

: OK : OK : None : Collapsed (LHS) : OK : The main possible cause of failure is embankment movement.

Photos

1

2

3

4

27 | P a g e

Site Investigation Works Location Chainage Area of Failure

: S48 : CH 33+250 (From Ranau) : 3600 sq. m

Brief Description of Road Failure Pavement Road Side Drain Culvert / Sump Embankment Slope Causes of Failure

: Collapsed : Collapsed : Hidden in the Bushes : Collapsed : OK : There is continuous flow of water from uphill on the right hand side of the road to the embankment via a culvert across the road. Other possible cause of failure is embankment movement.

Photos

1

2

3

4

28 | P a g e

Site Investigation Works Location Chainage Area of Failure

: S49 : CH 33+480 (From Ranau) : 2550 sq. m

Brief Description of Road Failure Pavement Road Side Drain Culvert / Sump Embankment Slope Causes of Failure

: Depressed : Collapsed (LHS) : None : Collapsed (LHS) : OK : The main possible cause of failure is embankment movement.

Photos

1

2

3

4

29 | P a g e

Site Investigation Works Location Chainage Area of Failure

: S50 (New) : CH 33+600 (From Ranau) : 450 sq. m

Brief Description of Road Failure Pavement Road Side Drain Culvert / Sump Embankment Slope Causes of Failure

: OK : OK : None : OK : Collapsed (RHS) : There is continuous flow of water from uphill on the right hand side of the road.

Photos

2

1

3

30 | P a g e

Site Investigation Works Location Chainage Area of Failure

: S51 (New) : CH 34+050 (From Ranau) : 260 sq. m

Brief Description of Road Failure Pavement Road Side Drain Culvert / Sump Embankment Slope Causes of Failure

: Cracked & Potholes : Collapsed : None : Settled : Collapsed : There is continuous flow of water from uphill on the right hand side of the road to the embankment and on surface of the road. Other possible cause of failure is embankment movement.

Photos

1

2

3

4

31 | P a g e

Site Investigation Works Location Chainage Area of Failure

: S52 : CH 34+150 (From Ranau) : 115 sq. m

Brief Description of Road Failure Pavement Road Side Drain Culvert / Sump Embankment Slope Causes of Failure

: Depressed : Cracked : None : Settled : Minor Collapsed : There is continuous flow of water from uphill on the right hand side of the road. Other possible cause of failure is embankment movement.

Photos

1

2

3

4

32 | P a g e

Site Investigation Works Location Chainage Area of Failure

: S53 (New) : CH 34+200 (From Ranau) : 1525 sq. m

Brief Description of Road Failure Pavement Road Side Drain Culvert / Sump Embankment Slope Causes of Failure

: Cracked, Potholes & Settled : OK : None : OK : Collapsed (RHS) : There is continuous flow of water from uphill on the right hand side of the road. Other possible cause of failure is embankment movement.

Photos

1

2

3

4

33 | P a g e

Site Investigation Works Location Chainage Area of Failure

: S54 : CH 34+500 (From Ranau) : 9100 sq. m

Brief Description of Road Failure Pavement Road Side Drain Culvert / Sump Embankment Slope Causes of Failure

: Damaged : Damaged : Collapsed (LHS) : Collapsed (LHS) : Collapsed (RHS) : There is continuous flow of water from uphill on the right hand side of the road. Other possible cause of failure is embankment movement.

Photos

1

2

3

4

34 | P a g e