Materials and Tests Manual  

Q1. Where can I find information for sampling asphalt materials at the plant site, who is responsible and at what frequency?

A1. Detailed information may be found in Sec​tion 7​ of the Asphalt QMS Manual.

           

Q2. Where can I find information for testing asphalt related materials,  who is responsible and what test methods are used?

A2. This information may be found in the Lab Testing Services section of the Asphalt Materials and Services Group in this online Materials Manual.  

Also see the "QMS Plant Sampling Schedule"​  in Section 7 of the online QMS Manual.

Q3.  Who may I contact within my division with other Asphalt related questions?

A3.  Start with contacting the Regional Lab​ or Pavement Specialist within your division.  

              

Q4. What is required for Weighmaster Stamps on Asphalt Load Tickets? 

A4.  See letter dated April 2008 from the N.C. Dept. of Agricultural and Consumer Services​.  See also Section 106-7​ of the NCDOT Construction Manual.

Q1. Where can I find information on approved Anti-Strips?

A1. Refer to the "Approved Anti-Strip Products Link​".  

Q1. Where can I find information on Tack Coat application and inspection?

A1. Refer to the "Tack Coat - Best Practices Field Guide".  For a printed hard copy of this small pocket sized guide, contact the Pavement Specialists Supervisor.

 

Q2. When may a "Non-Tracking" Tack Coat be applied on a project?

A2. “Non-Tracking” asphalt tack coats may be used at the Contractor’s option based on a new special provision.  The Contractor can select from various non-tracking tack coat products from an approved list maintained by the Materials & Tests Unit.

Click for Approved List for "Non-Tracking" Tack Coats

Unless otherwise specified in the Project Special Provisions, the Contractor may select the grade of tack coat material he anticipates using.  Any approved grades may be used provided the material is accompanied by a certified delivery ticket in accordance with Article 1020 of the Standard Specifications.  The Contractor will advise the Roadway Technician of the actual brand and grade being used and the QA Technician will indicate same on the Asphalt Roadway Technician's Daily Report (M & T Form 605). 

See Section 9.3.1 HMA/QMS Manual (2020)​

Q1. What is the Asphalt Density Acceptance Process for Bridge Replacements? (i.e. Small Asphalt Quantities)

A1.  See "10.8.2 Small Quantities Density Acceptance Process" QMS Manual.  

 

Q2. Where could I find information regarding tests that are performed on the project site?  (i.e. Core Density, Nuclear Density, Smoothness Testing)

A2.  Section 9, Section 10 and Section 11 of the QMS manual deal with Asphalt Roadway testing and best paving practices at the project site.