Resources

NZTA T09 Procedure for the Procedure for the Estimation of the Kerosene Content of Cutback Bitumen sets out a procedure by which the kerosene content of cutback bitumen is estimated from the kinematic viscosity of a sample.

This test method covers the procedure for sampling and for determination of percentage fines, average least dimension (ALD), average greatest dimension (AGD), distribution of least dimensions, and incidence of broken faces in grades 1–4 stone sealing…

This specification and guidance notes are to be appended to P/4 Resealing and shall apply where natural rubber latex is to be added to the bituminous binder for resealing purposes.

Specification for pre-coating sealing chips.

This specification sets out the material requirements for five size grades of sealing chip for use on state highways and other heavily trafficked roadways.

The NZ Transport Agency (NZTA) engaged MWH to conduct analysis of the attained life of certain chipseal resurfacing types.