HVIA requests tipper stability calculation removal

The HVIA has asked the NHVR to remove a calculation measure in its VSB6 changes

HVIA requests tipper stability calculation removal
The HVIA is asking the NHVR to remove a tipper stability measure

The Heavy Vehicle Industry Australia (HVIA) has asked the National Heavy Vehicle Regulator (NHVR) to remove a contentious tipper stability calculation.

As the HVIA progresses key VSB6 changes with the NHVR, it has asked them to remove this calculation from the upcoming VSB6 update.

HVIA says the request follows extensive consultation with members, including at the most recent round of HVIA state committee meetings.

"The calculation has proven to be contentious for several reasons, which include its complexity, level of detail and the need for a unique data set that covers tyre stiffness, suspension characteristics and chassis torsional stiffness, which is difficult to obtain," the HVIA says.

"HVIA supports initiatives to improve the safety of specific sectors of the industry through design requirements, but the chosen pathways must be workable."

The stability calculation appears in Part 12 of Section J of the updated VSB6 that’s set to be enforced from February 1 next year.

HVIA chief technical officer Adam Ritzinger is working with NHVR representatives on alternatives and will reach out to affected members to seek feedback on a specific alternative option proposed by the NHVR.

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