LCC SFHW

Question 1

What are the tolerances for surface course?

General

Adjacent to surface water channel

Answer 1

+6mm/-6mm (general)

+10mm/-0mm (adjacent to channel)

Question 2

What are the tolerances for binder course?

Answer 2

+/-6mm

Question 3

What are the tolerances for base course?

Answer 3

+/-15mm

Question 4

What are the tolerances for subbase layers?

Answer 4

+10mm/-30mm

Question 5

What are the Maximum mix temp, Min delivery temp and min rolling temp of the following materials?

HRA
AC20
AC6
Warm Mix

Answer 5

HRA: 200, 140, 100
AC20: 190, 130, 100
AC6: 180, 130, 100
Warm Mix: 150, spec by supplier, 90

Question 6

For dense binder course, what is the..

Material size (mm)?
Absolute minimum thickness (mm)?
Target minimum thickness (mm)?
Target maximum thickness (mm)?
Absolute maximum thickness (mm)?

Answer 6

20mm
50mm
60mm
110mm
120mm