City of Frisco Engineering Standards

PART 3 - EXECUTION
3.01 PREPARATION
roller shall be drawn by either an approved crawler type, a pneumatic tread tractor, or a
truck of adequate tractive effort; and the roller when drawn by either type of equipment
shall be considered a pneumatic tire roller unit. Power equipment for rolling on asphalt
shall be equipped with pneumatic tires.
A. The embankment or base course shall start longitudinally at the sides and proceed toward the
center, overlapping on successive trips at least one-half (l/2) of the width of the pneumatic
tire roller unit. Alternate trips of the roller unit shall begin at the low sides and progress
toward the high sides.
B. The speed of the power roller and the tamping roller unit, unless otherwise directed by the
City, shall be between two (2) and three (3) miles per hour. The speed of the pneumatic tire
unit, unless otherwise directed by the City, shall be between four (4) and twelve (12) miles
per hour for asphalt surfacing work and between two (2) and six (6) miles per hour for all
other compaction work.
PART 4 - MEASUREMENT AND PAYMENT
4.01 MEASUREMENT
A. This Item shall not be measured as a separate contract Item.
4.02 PAYMENT
A. The work performed and materials furnished in accordance with this Item will not be paid for
directly but will be subsidiary to pertinent Items.
END OF SECTION
City of Frisco May 2012
Standard Technical Specification Rolling 321314-2