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HomeMy WebLinkAbout32-1614-Precast-Concrete-Curbs_Rev_1Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 32 1614 Precast Concrete Curbs 1 of 2 32 1614 Precast Concrete Curbs PART 1 - GENERAL 1.1 RELATED WORK SPECIFIED ELSEWHERE. The following description of work is for reference only and shall not be presumed to be complete: A. Earthwork: Section 31 0000 B . Provision of waste management: Section 01 7419, Construction of Waste Management Plan. C. Provision of General LEED requirements and forms: 01 8113 Sustainable Design Requirements. . 1.2 SUBMITTALS A. Product Data: Catalog sheets, specifications, and installation instructions for precast curbs. B. Quality Control Submittals: 1. Test Reports: Random freeze thaw tests shall be conducted by the manufacturer. Test specimens shall retain 60 percent of its initial modulus of elasticity after 300 cycles. Test results shall be made available to the Director upon request. PART 2 - PRODUCTS 2.1 MATERIALS A. Provide precast concrete curbs with a minimum compression strength of 5000 pounds per square inch. Castings shall have plane smooth surfaces, true to line and face, free from defects, sharp arises, and with curved surfaces accurately reproduced. Overall dimensions for each casting shall not vary more than 1/16 inch from those indicated. B. Curb units shall be cast at the manufacturers plant. Job site castings will not be permitted. C. Curbing to be set on a radius of 100 feet or less shall be cast to the curve required. Ends shall be formed or sawed on radial lines. D. Curb Foundation: One-part Portland cement to six parts No. 1A coarse aggregate dry mix. PART 3 - EXECUTION 3.1 INSTALLATION A. Set curb true to line and grade on a foundation of one cubic foot of dry concrete for each linear foot of curb installed. Ram all spaces under the curb so that it is completely supported throughout the entire length. Dennis Yarmouth Intermediate Middle School January 19, 2021 Dennis Yarmouth Regional School District 100% Construction Documents Perkins Eastman DPC, project #71011 32 1614 Precast Concrete Curbs 2 of 2 B. Butt joint curb sections together. C. Install joint sealer where curb abuts existing walls, posts, buildings, and fixed structures or appurtenances. 3.2 RESETTING EXISTING CURBS A. Remove mortar and concrete from existing curbs to be reused. Replace units damaged by the contractor’s negligence. B. Reset existing curbs approved for reuse by the Town of Yarmouth. 3.3 FIELD QUALITY CONTROL A. The Town of Yarmouth may conduct additional tests at their discretion. Replace curb units taken for testing, not to exceed 10 linear feet for each 1000 feet or fraction thereof delivered to the project. END SECTION