Page:UK Traffic Signs Manual - Chapter 8 - Part 2- Traffic Safety Measures and Signs for Road Works and Temporary Situations) - Operations 2009.pdf/65

GENERAL VEHICLE ISSUES In addition to the overhang requirements of regulation 11, the vehicle must comply with all the other applicable requirements of the Construction and Use Regulations as well as those of the Road Vehicles Lighting Regulations 1989, also as amended.

A device which automatically activates the block vehicle’s brakes when any contact is made with the rear of a LMCC shall be fitted in order to minimise roll-forward and the risk of any secondary accident in the event of a collision. The device should conform to the specification provided in Appendix 4.2, and once fitted to the vehicle will be subject to a notifiable alteration with the Vehicle and Operator Services Agency (VOSA).

For notifiable alteration requirements in Northern Ireland, refer to the Department of the Environment – Driver and Vehicle Testing Agency.

Seat belts with a minimum of three points of anchorage to the vehicle shall be fitted for all occupants of block vehicles (e.g. IPV, MLC and MCC vehicles), and they should be worn at all times whilst operations are being carried out.

Head restraints shall be fitted and correctly adjusted (centre of restraint at eye level) for all the occupants of block vehicles and advance sign vehicles.

It is recommended that a safety survey of the block vehicle cab be undertaken whenever additional fittings or protruding items, such as two-way radios, are fitted.

Vehicles used for the installation, maintenance and removal of static traffic management on highspeed roads shall comply with the following specifications in paragraphs O5.5.2 to O5.5.5. Compliance with these specifications is also recommended for use on all types of highway irrespective of speed limit.


 * conspicuous colour (e.g. yellow or white – a non-reflective yellow colour, No. 355 (lemon) to Table 1 of BS 381C: 1996 "Specification for colours for identification, coding and special purposes" is recommended);
 * 70 mm capital letter height "HIGHWAY MAINTENANCE" sign to diagram 7404 (externally mounted on rear of vehicle) (see also paragraph );
 * roof-mounted amber light bar (visible 360°) with a minimum of two independent light sources;
 * "Class RA2” to BS EN 12899-1 or microprismatic reflective markings on the rear of the vehicle in accordance with paragraph O5.2.3 (c) or (d); and
 * company or client livery on side of vehicle.

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 * conspicuous colour (e.g. yellow or white – a non-reflective yellow is recommended (see paragraph O5.5.2));
 * 140 mm capital letter height "HIGHWAY MAINTENANCE" sign to diagram 7404 (externally on rear of vehicle) (see also paragraph O5.2.8);
 * "Class RA2" to BS EN 12899-1 or microprismatic reflective markings on the rear of the vehicle in accordance with paragraph O5.2.3;