444.1 General Description
This work includes sawing joints in existing Portland cement concrete pavements such as roadway pavements, intersections, driveways, parking areas, and sidewalks when removing existing pavements is shown on the plans or required by the Engineer.
444.1.01 Definitions
General Provisions 101 through 150.
444.1.02 Related References
A. Standard Specifications General Provisions 101 through 150. B. Referenced Documents General Provisions 101 through 150.
444.1.03 Submittals
General Provisions 101 through 150.
444.2 Materials
General Provisions 101 through 150.
444.2.01 Delivery, Storage, and Handling
General Provisions 101 through 150.
444.3 Construction Requirements
444.3.01 Personnel
General Provisions 101 through 150.
444.3.02 Equipment
A. Mechanical Saw • Use an adequately powered, water-cooled, mechanical saw with a diamond-edge blade or an abrasive wheel that will cut a straight joint to the required depth. • The Engineer may require that a guide be used with the saw to produce a satisfactory joint.
444.3.03 Preparation
General Provisions 101 through 150.
444.3.04 Fabrication
General Provisions 101 through 150.
444.3.05 Construction
A. Joints • Saw joints true to the lines designated by the Engineer. • Saw the joints at least 2 in. (50 mm) deep, or deeper if the Engineer directs, to remove pavement along true lines and to prevent spalling or over breaking of pavement that will remain in place. • Saw with diamond blades. Do not dry saw with abrasive blades. B. Removal of Pavement After joints have been sawed to completely isolate a pavement to be removed: 1. Begin removing the pavement. 2. Protect the edges of the pavement that will remain. Do not use removal methods that may damage these edges. C. Traffic Control After removing the pavement, do not allow traffic or other equipment to cross the exposed edges of the remaining pavement until new pavement is constructed in its place.
444.3.06 Quality Acceptance
General Provisions 101 through 150.
444.3.07 Contractor Warranty and Maintenance
General Provisions 101 through 150.
444.4 Measurement
The length of sawed joints measured for payment is the actual linear feet (meters) of joints acceptably sawed.
444.4.01 Limits
General Provisions 101 through 150.
444.5 Payment
Sawed joints as described above will be paid for at the Contract Unit Price per linear foot (meter). Payment will be made under: Item No. 444 Sawed joints in existing pavements Per linear foot (meter)
444.5.01 Adjustments
General Provisions 101 through 150.
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