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Technical bulletins

15 Documents required for presentation to an inspecting organisation following heavy vehicle specialist inspection and certification

This technical bulletin replaces the 31 series of memos.

The tables below set out the minimum requirements for documentation to be presented and retained by CoF and entry inspecting organisations before the first CoF can be issued (following heavy vehicle specialist inspection and certification). Where there  is insufficient space on the LT400 to record all the applicable information, the heavy vehicle specialist inspectors or inspecting organisations may issue additional supporting documents.

Certification category

Description

Documentation required by CoF inspecting organisation

HVEC, HVCD

Chassis, suspension, steering

LT400

HVEC, HVCD

PSV roll over strength

LT400

HVEC, HVCD

PSV stability

LT400

HVET, HVTD

Towing connections

LT400

HVEA, HVAD

Load anchorages

LT400

HVEL, HVLD

Log Bolster Attachment Code

LT400

HVEK, HVKD

Brake modifications including the New Zealand Heavy vehicle Brake Specification (Schedule 5)

LT400 and copy of brake data/parameters and calculations as applicable

HVP1

Swept path certification

LT400

HVP2

Performance-based standards

LT400

HVS1, HVS2

Static roll threshold (SRT)

LT400 and SRT compliance certificate
Separate LT400 for each Land Transport Rule section or clause, code or standard

An LT400 can only be used for compliance to one Land Transport Rule, standard, or code. A separate LT400 is required for each Land Transport Rule section or clause, code or standard which is applicable to the vehicle in question. That is, the 'Code/Standard/Rule certified to' box must contain only one section or clause of a Land Transport Rule or refer to only one code or standard.

Examples
  • A semi-trailer (first trailer of a B-train) that is fitted with a fifth wheel, king pin/skid plate, load anchorages, and log bolsters requires four separate heavy vehicle specialist certificates as in the table below:

Component

Certification category

Code/standard certified to

Fifth wheel

HVET or HVTD

NZS 5450

King pin

HVET or HVTD

NZS 5451

Load anchorages

HVEA or HVAD

NZS 5444

Log bolsters

HVEL or HVLD

Bolster Attachment Code

  • A 4 x 2 truck that has the chassis lengthened, a tag axle fitted, new load anchorages, and a draw beam requires four separate heavy cehicle specialist certificates as in the table below.

Component

Certification category

Code/standard certified to

Chassis or suspension

HVEC or HVCD

Heavy Vehicles Rule (Note 1)

Brakes

HVEK or HVKD

Heavy Vehicle Brakes Rule (Schedule 5)

Load anchorages

HVEA or HVAD

NZS 5444

Drawbeam

HVET or HVTD

NZS 5446

Note 1

Suspension and chassis modifications can only be included on the one LT400 when completed by the same engineer at the same time as part of the same job.

  • A bus or coach is manufactured in New Zealand with standards-compliant brakes from the chassis manufacturer, and is fitted with a towbar, passenger seatbelts and a stressed seat with integral seatbelts for the driver then three to five heavy vehicle specialist certifications will be required.

Component

Certification category

Code/standard certified to

Stability or Rollover Strength

HVEC or HVCD

Passenger Service Vehicles Rule (Note 2)

Towbar

HVET or HVTD

NZS5467

Seatbelt anchorages or Seat mounts for seat with integral seatbelt

HVEC or HVCD

Seatbelt and Seatbelt Anchorages Rule (Note 3)

Note 2

Stability and rollover certifications can only be included on the one LT400 when completed by the same engineer at the same time as part of the same job.

Note 3

Seatbelt anchorages or seat mounts for seat with integral seatbelt certifications can only be included on the one LT400 when completed by the same engineer at the same time as part of the same job.

Note 4

Additional certification will be required if the vehicle is fitted with a tow bar, roof rack, a wheelchair hoist, powered ramp or wheelchair/wheelchair occupant restraints.

Page added 9 April 2018 (see amendment details)