2009-210 - Laserfiche WebLink

Home Browse Search

Asphaltic Concrete Prime and Tack Coats: Prime and tack coats shall be applied to the prepared baserock. Prime coat shall be cutback asphalt, Grade RC -70, MC -30, or MC -70, complying with FDOT Specifications, Articles 300-1 through 300-7, applied at the average rate of 0.15 gallons per square yard. Tack coat shall be emulsified asphalt, Grade RS -2, complying with FDOT Specifications, Articles 300- 1 through 300-7 respectively, applied at the average rate of 0.10 gallons per square yard. The bituminous quantities are considered as average and are subject to some variation at the discretion of the Engineer and at no additional cost. Plant Mix Wearing Surface: A plant mix wearing surface course shall be constructed on the prepared limerock base. Materials and construction shall conform with the requirements of FDOT Standard Specifications for Type S-1 Asphaltic Concrete, Section 331, and Articles 331-1 through 331-4. The finished pavement replacement shall be smooth and even with, of slightly above, the existing abutting pavement, but shall not have any appreciable bump due to this slight elevation. Rock, Gravel, or Marl Replacement: Roads, streets, or driveways constructed of rock, gravel, or rnarl shall be restored to a condition equal to or better than prior to construction using the same material unless directed otherwise. Temporary Cold Patch: Temporary cold patch for temporary surface as required by Code Section 312.08 (c) (d) 1, shall be a commercially available mix approved by the Engineer. Concrete Mix, Design, And Testing Comply with requirements of applicable FDOT Section 345 for concrete mix design, sampling and testing, and quality control, and as herein specified. Design the mix to produce standard weight concrete consisting of Portland cement, aggregate, air- entrairing admixture and water to produce the following properties. 1. Compressive Strength - Class I, 3,000 psi. 2. Air Content: 3% to 6% Concrete piacerrlent slump shall riot exceed plus or minus one inch from approved design slump. EXECUTION Pavement Replacement Replace pavement in accordance with the details shown on drawings. The baserock shall be placed and compacted in accordance with FDOT Specifications, Section 200. Application of the tack coat shall follow the application of the prime coat immediately prior to the placing of the wearing surface course. Edge Trim Trim edges of the existing pavement with a concrete saw or other approved method to provide a clean, straight edge. 02576-3 DADIVISION M2576 Pavement Sidewalk and Driveway Retracement doc