Chipseal Materials

Program Overview

This program introduces the materials and specifications used in chipseals and asphalt in New Zealand, focusing on the properties and performance of bituminous binders, additives, and mineral aggregates. It provides essential knowledge for chipseal design and helps participants understand the requirements of NZTA M1 and M6, as well as the tests used for road surfacing materials and their interpretation. This knowledge is crucial for those supervising chipseal construction or involved in chipseal design.

Program Outline

Degree Overview:

This course provides an introduction to the materials and specifications used in chipseals and asphalt in NZ. It is intended for those who have not previously acquired the knowledge or had formal detailed training in this subject. It is essential knowledge for those wishing to attend the NZIHT 'Chipseal Design' course and is intended to give a good understanding of the basic properties, NZTA specifications and performance of the component materials – bituminous binders, binder additives and mineral aggregates. Knowledge of the subject matter in this course is essential for those wishing to gain chipseal design skills. Who should attend: All those, whether contractor or client, who supervise chipseal construction or who are involved in chipseal design. Changes for new learners: WITT and this programme are part of Te Pūkenga – New Zealand Institute of Skills and Technology.