2022 Contract Street Maintenance - High Density Mineral Bond

High Density Mineral Bond (HDMB) as a preventative maintenance tool to be utilized on residential streets within the City of Grand Junction. The areas selected for HDMB application range from recently constructed or overlain to older chip-sealed areas. The PCI values for the selected streets are generally 70+. The selected sites are located across the city limits. 1. Section Includes : A. Application of an asphalt-aggregate bond seal coat as a high-density roadway surface preservation treatment 2. References: A. AASHTO Standards: T 59 Standard Method of Test for Emulsified Asphalts. T 111 Standard Method of Test for Mineral Matter or Ash in Asphalt Materials. B. ANSI Standards: B74.8 Ball Mill Test for Friability of Abrasive Grain. C. ASTM Standards: C 128 Density, Relative Density (Specific Gravity), and Absorption of Fine Aggregate. C 170 Compressive Strength of Dimension Stone. C 1326 Knoop Indentation Hardness of Advanced Ceramics. D 1644 Nonvolatile Content (Solids by weight). D 2196 Rheological Properties of Non-Newtonian Materials by Rotational (Brookfield type) Viscometer. D 2486 Determining Wear Resistance in Cycles. D 2939 Emulsified Bitumens Used as Protective Coatings. D 3740 Evaluation of Agencies Engaged in Testing and/or Inspection of Soil and Rock as Used in Engineering Design and Construction. D 6937 Determining Density of Emulsified Asphalt. D 3960 Determining Volatile Organic Compound Content of Paints and Related Coatings. E 70 pH of Aqueous Solutions with the Glass Electrode

Division 01 -	General Requirements, Vehicular Access and Parking, Traffic Control, Temporary Barriers and Enclosures.
Division 32 -	Exterior Improvements, Flexible Paving, Asphalt Paving, Rigid Paving, Concrete Paving, Paving Specialties, Pavement Markings.
Division 33 -	Utilities, Storm Drainage Utilities, Storm Drainage Structures.