Minimum Standards in Materials (Reviewer for Materials)

The mass percent passing for 50mm (2 in.) Sieve for the Grading Requirement of Item 200

• 100%

• 0%

• 55-85%

• 0-10%

The mass percent retained for 50mm (2 in.) Sieve for the Grading Requirement of Item 200

• 100%

• 0%

• 55-85%

• 0-10%

The mass percent passing for No. 200 (0.075 mm) Sieve for the Grading Requirement of Item 200

• 100%

• 0%

• 55-85%

• 0-10%

For Item 200 the fraction passing 0.425 mm (No.40) sieve shall have a Liquid Limit not greater than __ and Plasticity Index not greater than __ as determined by AASTHO T89 and T90 respectively.

• 35 & 6

• 25 & 12

• 35 & 12

• 25&6

For Item 200 the coarse portion, retained on a 2.00 mm (No. 10) sieve shall have a mass percent of wear not exceeding __ by the Los Angeles Abrasion Test as determined by AASTHO T96.

• 30

• 40

• 50

• 60

The materials for Item 200 shall have a soaked CBR value of not less than __% as determined by AASTHO T 193.

• 30

• 40

• 50

• 60

Compaction of each layer for item 200 shall continue until a field density of at least __% of the maximum dry density determined in accordance with AASTHO T 180 method “D” has been achieved.

• 80

• 90

• 100

• 105

The permitted variation from design with regards to the Thickness of Layer for Item 200.

• ±15 mm

• ±20 mm

• ±10 mm

• ±5 mm

The permitted variation from design with regards to the Level of Surface for Item 200.

• +10 mm

  -20 mm

• +5 mm

  -10 mm

• +20 mm

  -10 mm

• +10 mm

  -5 mm

The permitted SURFACE IRREGULARITY when measured by a 3-m straight edge for Item 200.

• 20 mm

• 10mm

• 5 mm

• 15 mm