Description

This training is for experienced roadway technician, private consultant or contractor employee who is knowledgeable in the specification requirements, paver and roller operations, balancing of the paving operation, uniformity of the mat and components of hot mix asphalt placement.

This class emphasizes the need for uniformity and consistency of the mix, placement and compaction operations in achieving the specification requirements for texture, smoothness, density, cross slope and thickness. Equipment operation of pavers and rollers are presented. Balancing of delivery, milling, paving and compaction operations are demonstrated. Proper pavers operation for smoothness is emphasized. Proper roller operation is emphasized in order to achieve specific density. Department specifications for acceptance of mix on the roadway are reviewed. The basics of the statistical approach behind the specifications are presented in order to input data. The trainee will understand and be able to recognize problems and make suggestions for corrections in the paving operation. Random number table for sampling for density and thickness is explained. Identification and possible causes of pavement problems and the solutions are presented. The need for uniformity and consistency is explained.