Site Investigation Works 3

Site Investigation Works Location Chainage Area of Failure

: S55 (New) : CH 34+800 (From Ranau) : 129 sq. m

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

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

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Site Investigation Works Location Chainage Area of Failure

: S56 : CH 35+200 (From Ranau) : 9500 sq. m

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

: Cracked & Collapsed : Damaged (RHS) : OK (Junction) : Collapsed (LHS) : Collapsed (RHS) : There is continuous flow of water from uphill on the right hand side of the road and a huge river on the left hand side. River flooding during rainy season might hit directly to the embankment surface, which might trigger landslip. Other possible cause of failure is embankment movement.

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Site Investigation Works Location Chainage Area of Failure

: S57 (New) : CH 36+700 (From Ranau) : 2931 sq. m

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

: Alligator Cracked, Potholes & Depressed : OK : OK : OK : Collapsed & Mudflow : 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.

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Site Investigation Works Location Chainage Area of Failure

: S58 : CH 37+820 (From Ranau) : 1650 sq. m

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

: Cracked & Collapsed : Collapsed (LHS) : None : Collapsed : OK : The cause of failure is embankment movement.

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Site Investigation Works Location Chainage Area of Failure

: S59 (New) : CH 38+050 (From Ranau) : 11500 sq. m

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

: Collapsed (LHS) : Collapsed (LHS) : Collapsed (LHS) : Collapsed (LHS) : OK : The main cause of failure is high embankment movement. There is continuous flow of water from uphill on the right hand side of the road going through the embankment.

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Site Investigation Works Location Chainage Area of Failure

: S60 : CH 38+650 (From Ranau) : 5100 sq. m

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

: Edge Cracked & Collapsed : Collapsed (LHS) : OK : 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 across the road. Other possible cause of failure is embankment movement.

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Site Investigation Works Location Chainage Area of Failure

: S61 : CH 39+020 (From Ranau) : 4050 sq. m

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

: Edge cracked & Collapsed : OK : Collapsed (LHS) : Collapsed (RHS) : 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.

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Site Investigation Works Location Chainage Area of Failure

: S62 : CH 39+560 (From Ranau) : 7000 sq. m

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

: Depressed & Collapsed : Collapsed (RHS) : None : Subsistence & Settled : Collapsed (RHS) : The main cause of failure is embankment movement. There is continuous flow of water from uphill on the right hand side of the road and going through on pavement surface.

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Site Investigation Works Location Chainage Area of Failure

: S63 : CH 39+880 (From Ranau) : 2250 sq. m

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

: Collapsed : Collapsed (LHS) : None : Collapsed (LHS) : OK : There is continuous flow of water from uphill on the right hand side of the road going through the embankment. Other possible cause of failure is embankment movement.

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Site Investigation Works Location Chainage Area of Failure

: S64 : CH 40+050 (From Ranau) : 2580 sq. m

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

: Edge Cracked & Collapsed (LHS) : OK : OK : Collapsed (LHS) : OK : The main possible cause of failure is embankment movement.

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Site Investigation Works Location Chainage Area of Failure

: S65 : CH 40+230 (From Ranau) : 160 sq. m

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

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

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Site Investigation Works Location Chainage Area of Failure

: S66 (New) : CH 40+300 (From Ranau) : 900 sq. m

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

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

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Site Investigation Works Location Chainage Area of Failure

: S67 (New) : CH 40+550 (From Ranau) : 11000 sq. m

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

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

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Site Investigation Works Location Chainage Area of Failure

: S68 (New) : CH 40+800 (From Ranau) : 299 sq. m

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

: Alligator Cracked, Potholes & Depressed : OK : None : OK : Minor Collapsed (LHS) : There is continuous flow of water from uphill on the left hand side of the road to the cut slope surface. Pavement improperly drained penetrated the surface and road frequently used by heavy trucks.

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Site Investigation Works Location Chainage Area of Failure

: S69 (New) : CH 41+250 (From Ranau) : 460 sq. m

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

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

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Site Investigation Works Location Chainage Area of Failure

: S70 (New) : CH 41+850 (From Ranau) : 225 sq. m

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

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

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Site Investigation Works Location Chainage Area of Failure

: S71 : CH 41+950 (From Ranau) : 1570 sq. m

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

: Alligator Cracked, Potholes & Damaged : Collapsed (LHS) : None : Collapsed (LHS) : OK : Pavement improperly drained penetrated the surface and road frequently used by heavy trucks. Other possible cause of failure is embankment movement.

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