525-1 Description.
Construct an asphalt concrete curb on a previously laid pavement at the locations shown in the Plans.
525-2 Materials.
Use a Type SP-12.5 (Traffic Level B or C) asphalt concrete mixture.
525-3 Construction Methods.
Sufficiently roughen the surface of the roadway pavement at the locations where the curb will be constructed to provide suitable bonding of the pavement and the curb. Lay the curb by a machine or by other methods to provide the requ ired cross -section. The Engineer may allow variation in the Plan cross-section for using the particular machine, provided the Contractor obtains the equivalent cross -sectional area and the specified height of curb. Provide appropriate compaction as directe d by the Engineer.
525-4 Method of Measurement.
The quantity to be paid for will be the length plan quantity, in feet, completed and accepted. Any additions or deletions thereto as authorized by the Engineer will be determined by plan dimensions, station -to-station dimensions, final measurement, or any combination thereof, as measured along the face of the completed and accepted curb.
525-5 Basis of Payment.
Price and payment will be full compensation for all work specified in this Section, including all materials and incidentals necessary to complete the work. Payment will be made under: Item No. 525 - 1- Asphaltic Concrete Curb - per foot. FY 2023-24 Return to Table of Contents SECTION 526 ARCHITECTURAL PAVERS
526-1 Description.
Furnish and install architectural pavers in accordance with this Section.
526-2 Materials.
526-2.1 General: Architectural pavers shall meet the following requirements:
Table 526-1 Architectural Paver Requirements Proposed Use ASTM C902 (Brick Paver) ASTM C1272 (Brick Paver) ASTM C936 (Concrete Paver) Local Side Streets ( ≤ 35 mph Design Speed) Do Not Use X X Commercial Driveways Do Not Use X X Sidewalks and Medians X Do Not Use X Residential Driveways X Do Not Use X Ensure that the pavers are consistent in color, size, and appearance. Architectural paver type, pattern, shape and/or color will be in accordance with plan details, when specified.
526-2.2 Architectural Pavers - Roadway: For installations on roadways and
commercial driveways, p rovide architectural pavers having a minimum thickness of 3 -1/8 inch.
526-2.3 Architectural Pavers - Sidewalk: For installations on sidewalks, medians and
residential driveways, p rovide architectural pavers having a minimum thicknes s of 2-3/8 inch.
526-2.4 Bedding and Joint Sands: Provide clean, non -plastic bedding and joint sand,
free from deleterious or foreign matter, natural or manufactured from crushed rock. Ensure the bedding sand meets the grading requirements of ASTM C33 Standard Specification for Concrete Aggregate. Ensure the joint sand meets the grading requirements of ASTM C144 Standard Specification for Aggregate for Masonry Mortar. Bedding sand may be used for joint sand. Do not use joint sand for bedding sand.
526-2.5 Bedding and Joint Grouts: A suitable grout, in thickness specified by the
manufacturer and approved for use by the architectural paver manufacturer, may be substituted for either bedding sand, joint sand or both when specified in the Plans and appro ved by the Engineer.
526-3 Construction Methods.
526-3.1 General:
526-3.1 1 Submittals: For Architectural Pavers – Roadway, furnish full size
samples to the Engineer for approval prior to beginning placement. For Architectural Pavers - Sidewalk, submit to the Engineer a certification that the architectural pavers meet the requirements of this Section. In addition, for all architectural pavers , submit a certified sieve analysis for gradation comparing results of the bedding sand and joint sand with the requirements of ASTM C33 or ASTM C144 as applicable. FY 2023-24 Return to Table of Contents
ASPHALT CONCRETE CURB in other states
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