303Requirements for relevant vehicles in hazardous areas

303 Requirements for relevant vehicles in hazardous areas A person must not use a relevant vehicle in a hazardous area unless the vehicle has— (a) a full dual circuit service braking system; and (b) adequate demisting and saloon heating systems; and (c) a spare wheel, a jack and a wheel brace; and (d) wheel chains of a design approved by the Secretary that are in good condition and that are capable of being attached to the outer drive wheels of the vehicle; and (e) wheel chocks; and (f) a torch or portable lead light; and (g) a shovel. Approved wheel chains are diamond pattern or a similar design. Ladder design chains are not approved wheel chains.