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Site Investigation Works

Location : S72 (New)Chainage : CH 42+050 (From Ranau)Area of Failure : 210 sq. m

Brief Description of Road Failure

Pavement : Alligator, Edge Cracked & PotholesRoad Side Drain : OKCulvert / Sump : NoneEmbankment : OKSlope : OKCauses of Failure : Pavement improperly drained penetrated the surface and road

frequently used by heavy trucks.

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Site Investigation Works

Location : S73Chainage : CH 42+500 (From Ranau)Area of Failure : 3060 sq. m

Brief Description of Road Failure

Pavement : Alligator Cracked, Potholes & Collapsed (LHS)Road Side Drain : Damaged (RHS)Culvert / Sump : NoneEmbankment : Collapsed (LHS)Slope : Minor Collapsed (RHS)Causes of Failure : There is continuous flow of water from uphill on the right hand side of

the road. Pavement improperly drained penetrated the surface and roadfrequently used by heavy trucks. Other possible cause of failure isembankment movement.

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Site Investigation Works

Location : S74Chainage : CH 42+850 (From Ranau)Area of Failure : 2500 sq. m

Brief Description of Road Failure

Pavement : OKRoad Side Drain : Collapsed (LHS)Culvert / Sump : OKEmbankment : Collapsed & Mudflow (LHS)Slope : OKCauses of Failure : The main possible cause of failure is embankment movement.

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Site Investigation Works

Location : S75Chainage : CH 43+600 (From Ranau)Area of Failure : 1590 sq. m

Brief Description of Road Failure

Pavement : OKRoad Side Drain : OKCulvert / Sump : NoneEmbankment : Collapsed (LHS)Slope : OKCauses of Failure : The cause of failure is embankment movement.

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Site Investigation Works

Location : S76Chainage : CH 43+700 (From Ranau)Area of Failure : 1590 sq. m

Brief Description of Road Failure

Pavement : OKRoad Side Drain : Collapsed (LHS)Culvert / Sump : NoneEmbankment : Collapsed (LHS)Slope : OKCauses of Failure : The main cause of failure is embankment movement.

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Site Investigation Works

Location : S77 (New)Chainage : CH 44+100 (From Ranau)Area of Failure : 3000 sq. m

Brief Description of Road Failure

Pavement : Collapsed (LHS)Road Side Drain : OKCulvert / Sump : OKEmbankment : Collapsed (LHS)Slope : OKCauses of Failure : There is continuous flow of water from uphill on the right hand side of

the road to the embankment surface via a culvert across the road. Other possible cause of failure is embankment movement.

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Site Investigation Works

Location : S78Chainage : CH 44+330 (From Ranau)Area of Failure : 1500 sq. m

Brief Description of Road Failure

Pavement : OKRoad Side Drain : Collapsed (LHS)Culvert / Sump : NoneEmbankment : Collapsed (LHS)Slope : OKCauses of Failure : The main possible cause of failure is embankment movement.

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Site Investigation Works

Location : S79Chainage : CH 44+600 (From Ranau)Area of Failure : 5000 sq. m

Brief Description of Road Failure

Pavement : OKRoad Side Drain : OKCulvert / Sump : NoneEmbankment : OKSlope : Collapsed & Mudflow (RHS)Causes of Failure : There is continuous flow of water from uphill on the right hand side of

the road and going through on cut slope surface.

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Site Investigation Works

Location : S80 (New)Chainage : CH 44+880 (From Ranau)Area of Failure : 2250 sq. m

Brief Description of Road Failure

Pavement : OKRoad Side Drain : OKCulvert / Sump : NoneEmbankment : OKSlope : Collapsed & Mudflow (RHS)Causes of Failure : There is continuous flow of water from uphill on the right hand side of

the road and going through on cut slope surface.

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Site Investigation Works

Location : S81 (New)Chainage : CH 44+950 (From Ranau)Area of Failure : 5000 sq. m

Brief Description of Road Failure

Pavement : OKRoad Side Drain : OKCulvert / Sump : NoneEmbankment : OKSlope : Collapsed & Mudflow (RHS)Causes of Failure : There is continuous flow of water from uphill on the right hand side of

the road and going through on cut slope surface.

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Site Investigation Works

Location : S82Chainage : CH 45+050 (From Ranau)Area of Failure : 5000 sq. m

Brief Description of Road Failure

Pavement : OKRoad Side Drain : OKCulvert / Sump : NoneEmbankment : OKSlope : Collapsed & Mudflow (RHS)Causes of Failure : There is continuous flow of water from uphill on the right hand side of

the road and going through on cut slope surface.

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Site Investigation Works

Location : S84 (New)Chainage : CH 49+800 (From Ranau)Area of Failure : 5000 sq. m

Brief Description of Road Failure

Pavement : OKRoad Side Drain : OKCulvert / Sump : NoneEmbankment : OKSlope : Collapsed & Mudflow (RHS)Causes of Failure : There is continuous flow of water from uphill on the right hand side of

the road and going through on cut slope surface.

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Site Investigation Works

Location : S85 (New)Chainage : CH 51+050 (From Ranau)Area of Failure : 5000 sq. m

Brief Description of Road Failure

Pavement : Alligator Cracked, Potholes, Shovel, Settled & DepressedRoad Side Drain : CollapsedCulvert / Sump : OKEmbankment : Subsistence & SettledSlope : Collapsed (RHS)Causes of Failure : There is continuous flow of water from uphill on the right hand side of

the road to the cut slope surface. Pavement improperly drainedpenetrated the surface and road frequently used by heavy trucks. Other possible cause of failure is embankment movement.

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Site Investigation Works

Location : S86 (New)Chainage : CH 51+630 (From Ranau)Area of Failure : 10000 sq. m

Brief Description of Road Failure

Pavement : Depressed & Settled (RHS)Road Side Drain : OKCulvert / Sump : NoneEmbankment : OKSlope : Collapsed & Mudflow (RHS)Causes of Failure : There is continuous flow of water from uphill on the right hand side of

the road and going through on cut slope surface.

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Site Investigation Works

Location : S87 (New)Chainage : CH 51+680 (From Ranau)Area of Failure : 1500 sq. m

Brief Description of Road Failure

Pavement : OKRoad Side Drain : OKCulvert / Sump : NoneEmbankment : Collapsed (LHS)Slope : OKCauses of Failure : The main possible cause of failure is embankment movement.

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Site Investigation Works

Location : S88 (New)Chainage : CH 52+710 (From Ranau)Area of Failure : 2500 sq. m

Brief Description of Road Failure

Pavement : OKRoad Side Drain : OKCulvert / Sump : NoneEmbankment : OKSlope : Collapsed & Mudflow (RHS)Causes of Failure : There is continuous flow of water from uphill on the right hand side of

the road and going through on cut slope surface.

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