Vehicle Standard (Australian Design Rule 62/02 – Mechanical Connections Between Vehicles) 2007 Amendment 1
I, ANTHONY NORMAN ALBANESE, Minister for Infrastructure, Transport, Regional Development and Local Government, determine this vehicle standard under section 7 of the Motor Vehicle Standards Act 1989.
Dated 28 January 2010
[Signed]
Anthony Norman Albanese
Minister for Infrastructure, Transport, Regional Development and Local Government
CONTENTS
1. legislative provisions.............................................3
2. amendment of vehicle standard.....................................3
Schedule 1............................................................4
[1] Clause 13.3.1.1.2 amend to read “For vehicles towing trailers over 23.5 tonnes ‘ATM’, and ‘Converter Dollies’ the lesser of 350 kN; or”
[2] Clause 13.4.2.1 amend to read “Longitudinal tension (N) = 9.81 x ‘ATM’ (kg); and”
[3] Clause 13.4.2.2 amend to read “vertical tension (N) = 0.5 x 9.81 x ‘ATM’ (kg).”
[4] Clause 14.2.1.1.2 amend to read “For trailers over 23.5 tonnes ‘ATM’ and all ‘Converter Dollies’, the lesser of 350 kN or 2.25 x ‘Coupling’ ‘D-value’ (kN) for the ‘Coupling’ ‘D-value’ at which the ‘Drawbar’ is rated.”
[5] Clause 14.3.1.3 amend to read “For trailers over 3.5 tonnes ‘ATM’, the safety chain must be made from steel of a minimum 800 MPa breaking stress, conforming to the mechanical properties of Grade T chain as specified in AS 2321 - 2001 Short Link Chain for Lifting Purposes and must be of a size such that the minimum breaking load exceeds the ‘ATM’, or a size as shown in Table 1.”
[6] Following clause 14.3.1.3 insert table as shown:
‘Aggregate Trailer Mass’ (tonnes) | Chain Size (millimetres) | Minimum Chain Breaking Load (tonnes) |
Over 3 .5 and up to 5.0 | 6 | 5.1 |
Over 5.0 and up to 8.0 | 8 | 8.2 |
Over 8.0 and up to 12.5 | 10 | 12.8 |
Over 12.5 and up to 21.5 | 13 | 21.7 |
Over 21.5 and up to 32.5 | 16 | 32.8 |
Over 32.5 | 19 | 46.5 |
Table 1: Safety Chain Size Selection
[7] Clause 14.4.2.1 amend to read “Longitudinal tension (N) = 9.81 x ‘ATM’ (kg); and”
[8] Clause 14.4.2.2 amend to read “vertical tension (N) = 0.5 x 9.81 x ‘ATM’ (kg).”
[9] Insert new clause 5.2 “The ‘Tow Coupling Overhang’ must not exceed, in the case of an NC vehicle designed for use in ‘Road Trains’, 2.7m.”