A.
Concrete.
All curbs and gutters and valley gutters shall be constructed of Class D concrete unless specifically noted otherwise on the plans. Refer to specification Section 03300, “Cast-In-Place Concrete” for information on the requirements related to Class D concrete.
B.
Expansion Joints.
Expansion joints shall consist of three-fourths (3/4) inch premolded bituminous expansion joint filler per ASTM D-1751. Seal with joint sealing compound meeting ASTM C920, Type S, Grade P or NS.
C.
Expansion Joint Dowels.
Plain steel bars conforming to ASTM A-306, grade 70. Cut dowels to length at shop or mill before delivery to the site. Dowels must be straight and clean, free of loose flaky rust and loose scale. Dowels may be sheared to length provided deformation from true shape caused by shearing does not exceed 0.04-inches from the end. Provide an approved rigid dowel sleeve with inside diameter 1/16" larger than dowel to provide free movement of dowel for a distance of 150 percent of the joint width. Grease dowel in sleeve with approved lubricant.
D.
Asphalt and Base Material:
Where asphalt and base material removal and replacement is necessary for construction of new curb and gutter and like structures, the asphalt and base material shall be of equal or better quality than the existing asphalt and base material.
(Ordinance 2007-106, App. B, adopted 3/20/07)