Section 1001 Performance Related Specification

Comment Summation Sheet for Sec 401 & Sec 402 Team Leader: Mark Shelton Team Members: Rodney Honeycutt Jeff Bross Jerry Hall Tom Brown Gayle Davis Tim Hellebusch Dennis Bryant Joe Schroer

Attachmen t Commenter and Number Company Name Comment Action Taken If No Action Taken, Explain Why 1 Missouri Asphalt Object to change from current bidding None Asphalt content is determined by the Pav’t. Assoc.: by ton of mineral aggregate and contractor’s design. Payment by ton of asphalt cement to ton of mix. mixture encourages lowest asphalt content possible within mix design parameters, therefore, most economical mixture. 1A Anonymous, APAC- No other comments from above Central; Larry West, statement. NB West; Roy Burns, Pace; 1B Mike Bross, Bross Portable plants don’t know asphalt Approximate asphalt content can be Construction content in new areas or quarries. obtained from past experience or experimentation prior to the bid. 1C Dale Popejoy, Quarries vary in absorption, which Variances within aggregates for a Journagan causes asphalt content to vary. particular mix design are a quality control issue for the producer. 1D Dave Roling, APAC Mixture is adjusted by MoDOT, Contractor sets and adjusts asphalt content. Masters-Jackson otherwise, appropriate for performance spec.

Sec 401 Only 2 Troy Hughes, Editorial change for 401.5.3 Changed reference to binder MoDOT and mineral aggregate to mixture. Questioned reference to 2 foot strip in Removed sentence. Two foot Sec. 401.4.3 shoulder strip no longer in design manual. 3 Pat McDaniel, Deficient or excess mixture on full Add Sec 401.8.6 to reference MoDOT depth pavements not addressed. new section in Sec 403 4 Kirsten Munck, Editorial changes throughout Some changes made to Some changes not made that changed the MoDOT document. correct grammar and to agree context or were personal preferences. with standard wording. Sec 402 Only 5 Missouri Asphalt Disagree with compaction Ongoing study of cores from Method of specifying cutoff dates for hot Pav’t. Assoc.: requirement for surface leveling surface leveling projects to mix was eliminated. A test is needed to mixtures due to unevenness and lack check this requirement. specify a minimum level of quality when of structure in existing pavements. conditions are not optimum for compaction of the mixture. 5A Mike Bross, Bross Thin lifts and existing roadway Construction conditions may prevent meeting the density requirements. 6 Randall Glaser, Density requirement may raise cost MoDOT unnecessarily due to poor condition of underlying roadway. 7 Kirsten Munck, Editorial changes throughout Some changes made to Some changes not made that changed the MoDOT document. correct grammar and to agree context or were personal preferences. with standard wording. Refer to Sec 401.4 instead of Delete Sec 402.4 – 402.4.5 repeating mix design in Sec 402 and reference Sec 401.4 Add contractor reference in Sec 402.9 Contractor will not have testing as in Sec 401.6. responsibilities in Sec 402. Follow current procedures.