Factors affecting the design and the field performance of chipseal surfacings are complex. Local conditions can significantly influence the way a seal is designed to get the best performance. read more

This course provides an introduction to the materials and specifications used in chipseals in NZ. It is intended for those who have not previously acquired the knowledge or had formal detailed training in this subject. read more

High quality pavements, along with the correct selection of pavement surfacing materials are critical to the safety, longevity and condition of New Zealand roads. read more

Asphalt paving mix design requires a clear understanding of design standards and specification requirements. Design also demands close attention to the details of testing procedures to ensure an economical blend and gradation of aggregates. Durable… read more

Asphalt paving construction productivity depends on the smooth and safe running of laying operations and effective contractual relationships. It also depends on understanding the materials being dealt with. read more

It is absolutely essential that all those involved in any way with bituminous materials fully understand the significant hazards presented and the procedures used to ensure safety. read more

This is an essential risk awareness course targeted at managers, engineers and supervisors involved in managing businesses or operations that include the storage, production and transport of bituminous materials; and road surfacing works. A separate… read more

The operation of bulk bitumen and emulsion handling and transport equipment (tankers, storage and blending plants) demands a basic knowledge of the properties of bitumen and associated products and adherence to strict safety procedures. read more

Precise and competent operation of the bitumen sprayer is essential to successful chipsealing operations. Sprayer performance is improved if operators have detailed knowledge of the principles of the chipsealing process and the appropriate knowledge… read more

Bridges and Other Significant Highway Structures are critical high value components of the New Zealand Roading Network. Failure to inspect and identify any defects correctly could potentially result in dramatic damage and/or loss of life. At best… read more