ITEM 704 – MASONRY UNITS
704.1
Clay or Shale Brick
Brick
shall conform to the requirements of one of the following specifications:
Sewer
Brick - AASHTO M 91, Grade SM
Sewer
Brick - ASTM C 32, Grade SM
Building
Brick - AASHTO M 114, Grade SW,
or
ASTM C 62,Grade SW
The
grade will be shown on the Plans or in the Special Provisions.
704.2
Concrete Brick
Concrete
brick shall conform to the requirements of ASTM C 55, Grade A.
704.3
Concrete Masonry Blocks
Concrete
masonry blocks may be rectangular or segmented and, when specified, shall have
ends shaped to provide interlock at vertical joints.
Solid
blocks shall conform with the requirements of ASTM C 139 or ASTM C 145, grade
as specified. Hollow blocks shall conform to the requirements of ASTM C 90, grade
as specified.
Dimensions
and tolerances shall be as individually specified on the Plans.
Post a Comment