Percent Passing
_________________
Sieve
Bedding Sand
Jointing Sand
(ASTM E 11)
_______________________
______________
_______________
3/8
in.
100
100
No.
4
80-100
100
No.
8
60-90
95-100
No.
16
25-70
70-100
No.
30
10-35
40-75
No.
50
5-20
10-40
No.
100
0-10
2-25
No.
200
0-5
0-10
2.1.2
Concrete Paving Block
**************************************************************************
NOTE: Color and shape of block may be specified.
Check local availability of specific colors or
shapes before specifying. Organic pigments should
not be used, since they are unstable in the alkaline
concrete environment and subject to weathering.
Shape is generally rectangular or interlocking.
**************************************************************************
The concrete paving block shall conform to ASTM C 936, and shall be [_____]
thick, [_____] in color, and [_____] in shape. Pigmentation shall conform
to ASTM C 979.
2.1.3
Edge Restraints
2.1.3.1
Treated Wood
**************************************************************************
NOTE: Treated wood edge restraint is only
acceptable for walkways and residential driveways.
Delete this paragraph when this option is not
retained.
**************************************************************************
The edge restraint shall be wood treated in accordance with ASTM D 1760and
of dimensions shown on the plans.
2.1.3.2
Precast Concrete
**************************************************************************
NOTE: Minimum compressive strength of precast
concrete should be 21 MPa (3,000 psi) unless
analysis requires some other value. Entrained air
content of the fresh concrete should be 6 percent
plus or minus 1.5 percent in areas where freezing
and thawing coverage is a design consideration.
Delete this paragraph when this option is not
retained.
**************************************************************************
The edge restraint shall be precast portland cement concrete elements with
SECTION 02780
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