№ files_lp_4_process_2_43694
Technical specification amendment defining temperature conditions, lift thickness limits, mixture types, compaction methods, and finishing tolerances for placement of hot mix asphalt in Class D and partial-depth pavement patches.
Effective Date: May 1, 2012
Revision Date: March 9, 2016
Document Section: Article 442.08(a)
Referenced Standard: Standard Specifications
Subject: Hot Mix Asphalt placement for pavement patching
Mixture Types: IL-9.5, 9.5FG, 9.5L, IL-19.0, 19.0L
Temperature Requirement: Minimum 40°F (5°C) in shade with rising forecast and unfrozen subgrade
Compacted Lift Thickness: 1¼–3 in. (32–75 mm) for IL-9.5 mixtures; 2¼–4½ in. (57–114 mm) for IL-19.0 mixtures
Maximum Thickness with Vibratory Roller: Up to 6 in. (150 mm) excluding the top lift when required density is achieved
Compaction Methods: Mechanical tamper, vibrating tamper, or self-propelled roller; trucks permitted for supplemental compaction
Surface Finishing Allowance: Completed patch may be finished up to ½ in. (13 mm) above existing pavement
Application Scope: Class D and partial-depth pavement patching
Price: 8 / 10 USD
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