Compliance requires a systematic approach that addresses each part of Schedule 1. The following steps are grounded in the regulation text.
Step 1: Determine mass limits. Find the vehicle’s GVM from the manufacturer’s compliance plate or owner’s manual. Ensure the total mass of vehicle, occupants, fuel, and load does not exceed that figure. If the vehicle is towing, identify the maximum towing mass specified by the manufacturer, and also check the towing apparatus for a rated capacity (stamped on the tow bar or coupling). Use the lowest figure. If no manufacturer towing mass is provided, apply the formula: for a towed vehicle with brakes operable by the driver, the loaded mass of the towed vehicle must not exceed 1.5 times the unloaded mass of the towing vehicle; without brakes, it must not exceed the unloaded mass. Weigh the loaded towing vehicle and the loaded towed vehicle separately to verify. Keep records of manufacturer specifications.
Step 2: Check size limits. Obtain a copy of the Road Traffic (Light Vehicle Standards) Rules 2018. Measure the vehicle and its load: width must not exceed 2.5 metres (unless otherwise allowed for certain loads); height not over 4.3 metres; length for a single vehicle not over 12.5 metres; for combinations, not over 19 metres. Ensure the rear overhang (distance from rear overhang line to rear of load) does not exceed the allowed overhang under those Rules (typically 60% of wheelbase for a rigid vehicle, but specific calculations apply). Use the definitions in the dictionary to find the rear overhang line correctly.
Step 3: Check projections. Measure front projection of the load from the front of the vehicle (including bullbars) - must not exceed 1.2 metres. Side projection from the outermost part of the vehicle (including mirrors? The clause says ‘from the outermost part of either side of it’ - likely the widest part of the vehicle body, not including mirrors, but cautious interpretation would include them) must not exceed 150 millimetres. If the load projects to the rear, measure whether it exceeds 1.2 metres behind the vehicle. If so, attach a warning signal: in daytime, a brightly coloured flag or material at least 300mm on each side; at night, a red light visible for 200 metres. Also, if the end of the load cannot be seen easily from behind (e.g., because it is a long load fully obscured by the vehicle’s body), attach the signal regardless of the distance. Ensure the signal is securely attached.
Step 4: Assess dangerous projection. Walk around the vehicle and load and consider whether any part of the load, even if within dimensional limits, could strike a person or object, snag clothing, or otherwise cause harm. If there is any such risk, reposition or cover the load.
Step 5: Place the load properly. Distribute the load so that the vehicle remains stable and safe. Avoid top-heavy loading. Check that the vehicle’s centre of gravity is not adversely affected. Follow the vehicle manufacturer’s recommendations for load distribution.
Step 6: Secure the load. Use an appropriate restraint method. For a performance-based approach, design the restraint to withstand the forces in clause 7A: 0.8g forward deceleration, 0.5g rearward deceleration, 0.5g lateral acceleration, and if relying on friction or limited vertical displacement, also 0.2g vertical. This typically means using multiple tie-downs with appropriate working load limits such that the sum of the tie-down capacities, considering angles, is at least the design force. The Load Restraint Guide provides calculation methods. If the load is contained within the sides or enclosure and cannot move horizontally, vertical movement may be allowed (clause 7A(2) example 1). For loose bulk loads, ensure they are covered and the sides are high enough to prevent spillage. For bulk liquids, ensure the tank is properly baffled and the fill level allows for movement.
Step 7: Ensure the restraint method prevents the load from being dislodged and does not make the vehicle unstable. Clause 7(3) requires an ‘appropriate method’. Even if clause 7A forces are met, the method must also be appropriate for the type of load (e.g., use straps not ropes for heavy items).
Step 8: For trailers, check that the coupling is secure and that the components are compatible (e.g., the tow ball diameter matches the coupling). Connect safety chains where required by other regulations (not in these regulations). Ensure the trailer’s mass does not exceed the towing vehicle’s limits.
Step 9: Keep records. In case a load falls, you will need to prove compliance with clause 7(2). Photographs of the loaded vehicle before departure, records of tie-down types and ratings, and any weighbridge tickets for mass are useful. Note the date of loading and the edition of the Load Restraint Guide used. Remember that if the Guide is updated, you may need to adjust your methods.
Step 10: Review the Light Vehicle Standards Rules and the current Load Restraint Guide periodically. Subscribe to updates from SA legislation and the National Transport Commission.
No step is optional. Compliance is strict; ignorance of manufacturer specifications or the Guide is not a defence. If in doubt, seek professional advice from a vehicle compliance engineer or a transport consultant.