Design Tolerances

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Description and Tags

Layer thickness, Level of Surface, Surface Irregularity, Cross fall/Camber, Longitudinal Grade

5 Terms

1
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Subgrade Preparation

Layer thickness: -

Level of Surface: +20, -30mm

Surface Irregularity: 30mm

Cross fall/Camber: ±0.5%

Longitudinal Grade: ±0.1%

2
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Aggregate Subbase Course

Layer thickness: ±20mm

Level of Surface: +10, -20mm

Surface Irregularity: 20mm

Cross fall/Camber: ±0.3%

Longitudinal Grade: ±0.1%

3
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Aggregate Base Course

Layer thickness: ±10mm

Level of Surface: +5, -10mm

Surface Irregularity: 5mm

Cross fall/Camber: ±0.2%

Longitudinal Grade: ±0.1%

4
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Crushed Aggregate Base Course

Layer thickness: ±10mm

Level of Surface: +5, -10mm

Surface Irregularity: 5mm

Cross fall/Camber: ±0.2%

Longitudinal Grade: ±0.1%

5
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Aggregate Surface Course

Layer thickness: +15, -5mm

Level of Surface: +15, -5mm

Surface Irregularity: 5mm

Cross fall/Camber: ±0.2%

Longitudinal Grade: ±0.1%