SECTION 611 - BRICK MASONRY
611.01 Description. This work consists of constructing brick masonry structures in
accordance with these specifications and in r easonably close confor mity with the lines, grades, dimensions, and details shown on the plans or as directed.
611.02 Materials. Masonry brick shall be new, whole brick of standard commercial size
with straight and parallel edges and square corners. They shall be Grade SW or Grade SM as specified and shall meet the requirements of Subsection 706.01. Unless otherwise specified, the following use requirements shall govern:
a.Grade SW brick shall be used in exposed masonry.
b.Grade SM brick shall be used in catch basins, inlets, manholes, and other sewer or drainage structures. Mortar for brick masonry shall conform to the applicable requirements of Subsection 714.11.
611.03 Construction Requirements.
611.03.1 Excavation. Excavation for brick masonry sh all be performed in accordance
with the provisions of Subsection 604.03.7.
611.03.2 Laying Brick. Brick masonry shall not be co nstructed in freezing weather or
when bricks contain frost except by written permission of the Engineer and subject to the conditions set forth. Brick for exposed surfaces, corners, etc. shall be selected for color and uniformity. Mortar shall be mixed only in quantities required for immediate use. See Subsection
714.11.5 for more information on masonry mortar.
Brick shall be laid upon prepared foundations in accordance with the design indicated on the plans or as directed. All brick shall be thoroughly cleaned and saturated with water immediately prior to laying. They shall be laid in courses and in a manner that will thoroughly bond them into the fresh mortar by means of the "shove joint" method. "Buttered" or plastered joints will not be permitted. The arrangement of headers and stretchers shall be that which will thoroughly bond the mass. Unless otherwise specified, brick work shall be of alternate headers and stretchers with consecutive courses breaking joints. Other types of bonding, such as for ornamental work, will be specified on the plans. All joints shall be completely filled with mort ar. They shall not be less than 1/4 inch nor more than 1/2 inch in thickness, and the thickness shall be uniform throughout. All joints shall be finished properly as the work progresses, and on exposed walls they shall be neatly struck using the "weather" joint. Bats or spalls shall not be used except fo r shaping around irregular openings or when unavoidable to finish out a course. When used to finish out a course, full bricks shall be placed at the corners and the bats placed in th e interior course. Filling materials for the interior of the walls shall be the same quality as used in the face of the unit unless otherwise
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Source: Standard Specifications for Road and Bridge Construction, 2017 Edition. Pages 440–440 of 1,113. View official source ↗