2201.01DESCRIPTION
Construct PCC base course to the dimensions shown in the contract documents.
2201.02MATERIALS
Apply Article 2301.02.
2201.03CONSTRUCTION
Apply Section 2301 with the following exceptions: A.
Use Class A or Class C concrete, or the mixture used in the mainline paving.
B.
The tolerance, when checked with a surface checker, shall be 0.25 inch in 10 feet.
C.
If an asphalt surface is a part of the contract, a dark colored curing compound may be used.
D.
The base may be opened to shouldering operations, traffic, or surfacing after it has attained an age of 72 hours and a flexural strength of 500 psi.
E.
Saw and seal joints according to Section 2122 when constructing PCC paved shoulder. Joints need not be sealed for a PCC base course.
2201.04METHOD OF MEASUREMENT
Measurement for Portland Cement Concrete Base will be according to Article
2301.04, A
2201.05BASIS OF PAYMENT
Payment for Portland Cement Concrete Base will be according to Article 2301.05, A.
2210.03
Macadam Stone Base