Form AER21 Preliminary Bituminous Mix Design - Illinois

What Is Form AER21?

This is a legal form that was released by the Illinois Department of Transportation - a government authority operating within Illinois. As of today, no separate filing guidelines for the form are provided by the issuing department.

FAQ

Q: What is the purpose of Form AER21?
A: The purpose of Form AER21 is to provide a preliminary bituminous mix design for Illinois.

Q: What is a bituminous mix design?
A: A bituminous mix design is the process of determining the proportions of various materials needed to produce a desired asphalt mixture.

Q: Who requires the use of Form AER21?
A: The use of Form AER21 is required by the Illinois Department of Transportation (IDOT) for bituminous mix designs.

Q: What information is included in Form AER21?
A: Form AER21 includes information such as project details, aggregate properties, asphalt binder properties, and mix design calculations.

Q: When should Form AER21 be submitted?
A: Form AER21 should be submitted prior to the start of production of the asphalt mixture.

Q: What happens after Form AER21 is submitted?
A: After Form AER21 is submitted, it will be reviewed by the IDOT to ensure compliance with specifications and requirements.

Q: Can changes be made to the bituminous mix design after submission?
A: Changes to the bituminous mix design may be made after submission, but they must be approved by the IDOT.

Q: Is Form AER21 specific to Illinois?
A: Yes, Form AER21 is specific to Illinois and is not used in other states or jurisdictions.