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Administered by: Infrastructure and Regional Development
Published Date 06 Feb 2014

HEAVY VEHICLE NATIONAL LAW

 

NATIONAL CLASS 3 HEAVY VEHICLE 19m TRUCK AND DOG TRAILER COMBINATION MASS EXEMPTION (NOTICE) 2014 (No.1)

 

Purpose

 

1.       The purpose of this notice is to exempt class 3 Truck and Dog heavy vehicles from stated prescribed mass requirements in Schedule 1 of the Heavy Vehicle (Mass, Dimension and Loading) National Regulation (the Regulation).

 

Authorising Provision

 

2.       This notice is made under Section 117 of the Heavy Vehicle National Law as in force in each participating jurisdiction (HVNL), and section 69(1)(a) of the Heavy Vehicle (General) National Regulation.

Title

 

3.       This notice may be cited as the National Class 3 Heavy Vehicle 19m Truck and Dog Trailer Combination Mass Exemption (Notice) 2014 (No. 1).

 

Commencement

 

4.       This notice commences on 10 February 2014.

 

Expiry

 

5.       This notice expires on 9 February 2019.

 

Definitions

6.       Unless otherwise stated, words and expressions used in this notice have the same meanings as those defined in the HVNL.

7.       In this notice—

Truck and Dog heavy vehicle’ means a combination consisting of a rigid truck with 3 or 4 axles towing a dog trailer with 3 or 4 axles.

Note - ‘Axle spacing” means the greatest distance between centres of axles in any two axle groups.

 

Application

8.       This notice applies to a Truck and Dog heavy vehicle where—

(a)    the combination does not exceed 19m in length; and

(b)   the truck has a single steer axle or a twin steer axle group at the front, and a dual-drive tandem axle group at the rear; and

(c)    the dog trailer has either a single axle or a tandem axle group at the front, and a tandem axle group at the rear.

 

9.       This notice applies in all participating jurisdictions except the Australian Capital Territory and Tasmania.

Exemption from prescribed mass requirements

10.   This notice exempts Truck and Dog heavy vehicles from the following general mass limits specified in Schedule 1 of the Regulation —

(a)                Section 2(1)(a)(iv); and

(b)               Section 2(4); and

(c)                Section 5(1)

Condition - Maximum permissible mass

 

11.   The mass of a Truck and Dog heavy vehicle must not exceed a mass requirement for the vehicle specified in the Schedules to this Notice.

 

Note: This notice does not authorise a Truck and Dog heavy vehicle to operate under the concessional mass limits. Under Schedule 2 of the Regulation, a combination consisting of a rigid truck towing a dog trailer may operate at the concessional mass limits if the operator of the vehicle holds mass management accreditation for the vehicle. A Truck and Dog heavy vehicle with a mass not more than 42.5t does not need to operate under this notice and therefore may operate under the concessional mass limits, if the operator holds mass management accreditation.

 

Note: Under Schedule 5 of the Regulation, a combination consisting of a rigid truck towing a dog trailer is not permitted to operate under the higher mass limits.

 

Condition - Axle spacing mass limits

 

12.   The mass of a Truck and Dog heavy vehicle relating to an axle spacing of the combination, where the combination is more than 42.5t, must not be more than the mass limit stated in—

(a)                Table 2 (Axle spacing mass limits general table) of Schedule 1 of the Regulation, where the length of the axle spacing is not more than 10m; and

(b)               Table 1 of this notice, where the length of the axle spacing is more than 10m.

 

13.   The mass limit stated in clause 12(a) or (b) is increased by 0.5t if the axle spacing includes a steer axle to which the steer axle mass exception limits apply.

 

Note: Section 5(4)-(6) of Schedule 1 of the Regulation specify how to determine axle spacing mass limit requirements.

 

Table 1 – Extension of axle spacing mass limits general table for axle spacing exceeding 10m

 

Length of axle spacing (m)

Mass limit (t)

Length of axle spacing (m)

Mass limit (t)

at least

less than

 

at least

less than

 

10.00

10.50

42.50

14.00

14.50

46.50

10.50

11.00

43.00

14.50

15.00

47.00

11.00

11.50

43.50

15.00

15.50

47.50

11.50

12.00

44.00

15.50

16.00

48.00

12.00

12.50

44.50

16.00

16.50

48.50

12.50

13.00

45.00

16.50

17.00

49.00

13.00

13.50

45.50

17.00

17.50

49.50

13.50

14.00

46.00

17.50

 

50.00

 

Condition - Mass ratio

 

14.   The mass of a dog trailer with 4 axles must not exceed by more than 25 per cent the loaded mass of the towing vehicle. 

 

Condition - Suspension

 

15.   The drive axle group of the truck and all axles of the dog trailer must be fitted with air suspension with effective dampers.

 

Other conditions

 

16.   The driver and operator of the vehicle must comply with all conditions set out in the Schedule for a participating jurisdiction when the vehicle is being used in the jurisdiction to which that Schedule applies.

 

Note - Nothing in this notice exempts the driver or operator of the vehicle from complying with legislation regulating the use of heavy vehicles, including but not limited to:

a.        compliance with mass and dimension requirements in the HVNL;

b.        compliance with traffic signs, including those indicating mass limits or dimension limits;

c.        compliance with vehicle standards in the HVNL; and

d.        compliance with lawful directions of authorised officers.

 

DECLARATION

I, Richard Hancock, delegate of the National Heavy Vehicle Regulator exempt a Truck and Dog heavy vehicle from the mass limits stated in this notice, provided the vehicle complies with the conditions set out in this notice and the attached Schedules.

 

Dated: 5 February 2014

 

Richard Hancock

Chief Executive Officer

National Heavy Vehicle Regulator

 


SCHEDULES

 

SCHEDULE 1 – NEW SOUTH WALES

 

Mass Requirements

 

Mass limits – general mass limits
 

1.       The mass of a Truck and Dog heavy vehicle operating under the general mass limits must not be more than—

(a)      in the case of a combination consisting of a rigid truck with 3 or 4 axles towing a dog trailer with 3 axles – 48t;

(b)      in the case of a combination consisting of a rigid truck with 3 or 4 axles towing a dog trailer with 4 axles – 50t.

 

Mass limits – general mass limits, and steer axle mass exception limits

2.       The mass of a Truck and Dog heavy vehicle operating under this notice and the steer axle mass exception limits must not be more than—

(a)    in the case of a combination consisting of a rigid truck with 3 or 4 axles towing a dog trailer with 3 axles – 48.5t;

(b)   in the case of a combination consisting of a rigid truck with 3 or 4 axles towing a dog trailer with 4 axles – 50.5t

 

Other mass requirements

 

3.       The loaded mass of a 3 Axle dog trailer may not exceed by more than 25% the loaded mass of the truck.

 

Note: Clause 14 of this Notice permits a dog trailer with 4 axles to have a mass that is 25 per cent of the loaded mass of the towing vehicle.

 

Other conditions

4.       The extreme axle spacing for a dog trailer with 3 axles must be at least 4.3m.

 

5.       The height of the load on a dog trailer with 3 axles must not exceed 3.5m.

 

6.       The Truck and Dog heavy vehicle must be capable of starting on a 10 percent gradient and maintaining 70km/h on a one percent gradient.

 

Explanatory Note: The approximate power to weight ratio required to meet this requirement is 6.4 hp/tonne or 4.8 kW/tonne.  For example, an engine with an output of approximately 320hp is required for a combination operating at 50 tonnes (6.4 x 50 = 320hp)

 

Areas or routes

 

7.       The exemption applies to all areas or routes in New South Wales.

 

 

 

 

SCHEDULE 2 – QUEENSLAND

 

Mass requirements

 

Mass limits condition – general mass limits

 

1.       The mass of a Truck and Dog heavy vehicle operating under the general mass limits must not be more than:

(a)    in the case of a combination consisting of a rigid truck with 3 or 4 axles towing a dog trailer with 3 axles – 45t;

 

(b)   in the case of a combination consisting of a rigid truck with 3 or 4 axles towing a dog trailer with 4 axles – 50t.

 

Mass limits condition – general mass limits and steer axle mass exception limits

 

2.       The mass of a Truck and Dog heavy vehicle operating under the general mass limits and the steer axle mass exception limits must not be more than—

(a)    in the case of a combination consisting of a rigid truck with 3 or 4 axles towing a dog trailer with 3 axles – 45.5t;

 

(b)   in the case of a combination consisting of a rigid truck with 3 or 4 axles towing a dog trailer with 4 axles – 50.5t.

 

Condition - Vehicle and combination axle spacings

3.       Mass limits relating to individual axle spacings shall not exceed the limits shown in Table 1.

Note - Individual axle spacing in a combination vehicle is—

(a)    The distance from the centre of any single axle to the centre of the furthest axle in any axle group; or

(b)   The greatest distance between the centres of axles in any two axle groups.

4.       The mass limits in Table 1 apply to the sum of the masses on each axle group or single axle within the distance in the table, including the axles between which the distance is measured, as shown in Figure 1.

Figure 1 - Example of the calculation of minimum axle group spacing

Figure 1 - Example of the calculation of minimum axle group spacing

 

 

Other conditions

 

5.       The extreme axle spacing for a dog trailer with 3 axles must be a minimum of 3.8m.

 

6.       The Truck and Dog heavy vehicle must be capable of starting on a 10 percent gradient and maintaining 70km/h on a one percent gradient.

 

7.       The power to mass ratio for a Truck and Dog heavy vehicle consisting of a rigid truck with 3 or 4 axles towing a dog trailer with 4 axles must not be less than 6.4 brake horse power per tonne or 4.8 kilowatts per tonne.

Note: For example, an engine with a 320 brake horsepower rating is required for a Truck and Dog heavy vehicle operating at 50 tonne.

 

Areas or routes

 

8.       The exemption applies to all areas or routes in Queensland.

 

 


 

SCHEDULE 3 – SOUTH AUSTRALIA

 

Mass requirements

 

Mass limits – general mass limits

 

1.       The mass of a Truck and Dog heavy vehicle operating under the general mass limits must not be more than—

(a)    in the case of a combination consisting of a rigid truck with 3 or 4 axles towing a dog trailer with 3 axles – 45t;

 

(b)   in the case of a combination consisting of a rigid truck with 3 or 4 axles towing a dog trailer with 4 axles – 50t.

 

Mass limits – general mass limits and steer axle mass exception limits

 

2.       The mass of a Truck and Dog heavy vehicle operating under the general mass limits and the steer axle mass exception limits must not be more than—

(a)    in the case of a combination consisting of a rigid truck with 3 or 4 axles towing a dog trailer with 3 axles – 45.5t;

 

(b)   in the case of a combination consisting of a rigid truck with 3or 4 axles towing a dog trailer with 4 axles– 50.5t.

 

Other mass requirements

 

3.       The mass of a 3 axle dog trailer in the combination must not be more than 22.5t.

 

4.       The mass of a dog trailer with 3 axles in the combination must not be more than the mass of the towing vehicle

 

5.       The mass of a 4 axle dog trailer in the combination must not be more than 27.5t.

 

Other dimension requirements

 

6.       The truck and dog heavy vehicle must comply with the axle spacing limits shown in the vehicle configuration figures (1-4) below for the respective rigid truck and dog trailer combinations.

 

Note: Except where stated otherwise, all dimensions must be equal to or greater than those specified.


 

Figures 1-4: Axle spacing dimensions for particular vehicle configurations

 

 


                                                                                                               

 

                                                                                                               

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

                                                                                                               

 

 

 

 

 

 

 

 

 

 

 

 

 

*The gross mass of the combination reduces by 0.5t for each 0.5 metres reduction in extreme axle spacing

 

Other Conditions

 

7.       The power to mass ratio for a Truck and Dog heavy vehicle must not be less than 6.4 brake horse power per tonne or 4.8 kilowatts per tonne.

 

Note: For example, an engine with a 320 brake horsepower rating is required for a Truck and Dog heavy vehicle operating at 50 tonne.

 

8.       The operator must hold maintenance management accreditation for the vehicle combination.

 

9.       The length of the dog trailer drawbar when measured from the centreline of the towing pivot to the centreline of the leading axle or axle group of the trailer must be longer than 3m but not longer than 5m.

 

Areas or routes

 

10.   A Truck and Dog heavy vehicle may use all roads in South Australia, except—

(a)    in the case of a combination which has a total of six axles, travel is not permitted on the following bridge structures—

(i)                  Gumeracha Bridge – Over River Torrens at Gumeracha

(ii)                Chain of Ponds Creek Bridge – Near Chain of Ponds on the Tea Tree Gully to Gumeracha Road

(iii)               Murray Bridge – Over the River Murray at Murray Bridge (old bridge)

(iv)              Spring Creek Bridge – 8.7km south of Wilmington on Main North Road

(v)                Birkenhead Bridge – Over Port Road at Port Adelaide (the lifting bridge)

(vi)              Onkaparinga River Bridge – Saltfleet Street, Port Noarlunga

(vii)             Railway Bridge at Gawler – On Overway Bridge Road, Gawler

(viii)           Bakewell Bridge – Over railway on Henley Beach Road, Mile End; and

(b)   in the case of a combination which has seven or eight axles, travel is not permitted on—

a.    the bridge structures listed in subparagraphs (i) to viii) above; and

b.    the Paringa Bridge – over the River Murray on the Sturt Highway (National Route 20) at Paringa.

 

 

 

 


SCHEDULE 4 - VICTORIA

 

Mass requirements

 

Mass limits – general mass limits

 

1.       The mass of a Truck and Dog heavy vehicle operating under the general mass limits must not be more than:

(a)    in the case of a combination consisting of a rigid truck with 3 or 4 axles towing a dog trailer with 3 axles – 45t;

(b)   in the case of a combination consisting of a rigid truck with 3 or 4 axles towing a dog trailer with 4 axles – 50t.

 

Mass limits – general mass limits and steer axle mass exception limits

 

2.       The mass of a Truck and Dog heavy vehicle operating under the general mass limits and the steer axle mass exception limits must not be more than:

(a)    in the case of a combination consisting of a rigid truck with 3 or 4 axles towing a dog trailer with 3 axles – 45.5t;

(b)   in the case of a combination consisting of a rigid truck with 3 or 4 axles towing a dog trailer with 4 axles – 50.5t.

 

Other mass requirements

 

3.       The mass of a 3 axle dog trailer in the combination must not be more than 22.5t.

4.       The mass of a 4 axle dog trailer in the combination must not be more than 27.5t.

5.       In the case of a combination consisting of a rigid truck with 3 or 4 axles towing a dog trailer with 3 axles:

(a)    the wheelbase of the motor vehicle must be a minimum of 4.3m; and

(b)   the distance from the centre of the front axle of the dog trailer to the centre of the rear axle of the dog trailer must be a minimum of 3.8m.

6.       In the case of a combination consisting of a rigid truck with 3 or 4 axles towing a dog trailer with 4 axles:

(a)    the wheelbase of the truck must be a minimum of 4·5m and the wheelbase of the dog trailer must be a minimum of 5m; or

(b)   the wheelbase of the truck must be a minimum of 4·9m and the wheelbase of the dog trailer must be a minimum of 4·5m.

 

Other conditions

 

7.       The power to mass ratio for a Truck and Dog heavy vehicle consisting of a rigid truck with 3 or 4 axles towing a dog trailer with 4 axles must not be less than 6 kilowatts per tonne.

 

In this clause, power to mass ratio means the power of the truck’s engine compared to the mass of the combination

 

Areas or routes

 

8.       The exemption applies to all areas or routes in Victoria.