IVA mirror requirements

[deadscoob]

Does anyone know if mirrors that extend outside the bodywork need to be able to fold back still?

There used to be a requirement that mirrors had to fold back with a 10kg force, but that has been removed.

There is still a requirement that mirrors need to be mounted as per typical manufacturers methods, but to me that is separate to a fold back mechanism. If they do need to fold, could someone point me to where it's stated please?

Thanks

[Dreamspeed]

As far as I can see, there’s no requirement for them to fold, but they must be adjustable from the driver’s seat, have a certain field of vision, be of a certain size, have the correct radius edges and be appropriately marked.

I got this from the IVA manual, Section 08; Indirect Vision. Hope it helps:

This inspection is to ensure that obligatory mirrors meet the appropriate safety standards and offer an acceptable standard of rearward vision
In the case of Armoured vehicles exemption from any requirement of this section is permitted if it can be demonstrated to the satisfaction of the Approval Authority that it is impossible for the vehicle to comply due to its special purpose.
Note 1: All obligatory mirrors fitted to the vehicle are as follows
1. One interior mirror of Class I
2. One exterior mirror on the offside of Class III or Class II.
Note 2: These dimensions are the minimum requirements of the reflective surface and not the overall size of the mirror assembly.
Note 3: The interior mirror must be positioned as far as is practical to afford the best possible view to the rear, if the interior rear-view mirror does not provide any rearward vision its presence shall not be required.
Note 4: All mirrors must be attached by a method normally used by a major manufacturer, mirrors attached by suction are not permitted.
Note 5: If the vehicle has a rear view window fitted which is less
then 70% light transmittance (marked with a V) a nearside exterior mirror is required.
Note 6: If fitted, an optional nearside mirror may supplement the field of view requirements of the obligatory mirrors
1.
The vehicle must have an offside exterior mirror fitted.
2.
An interior mirror must be fitted, (see note 3)
3.
The vehicle must have an nearside exterior mirror fitted (if the interior rear view mirror gives no view to the rear or the rear window is less than 70% light transmittance) (see note 3 & 5)
4.
All obligatory mirrors must be securely mounted to the vehicle, to ensure that the field of view does not change. (see note 4)
5.
All mirrors must be adjustable.
6.
Obligatory mirrors must be mounted so as to prevent the driver misinterpreting the image because of vibration.
7.
All mirrors must have an acceptable approval marking or have equivalent characteristics to a mirror approved for use on a vehicle of the same category as follows:
•
The reflective surface must be encased in a protective housing
•
surfaces contactable by a 165mm sphere (interior) or a 100mm sphere (exterior) must have a radius of curvature of at least 2.5mm – except for fixing holes or recesses less than 12mm wide, which must be blunted
8. An interior mirror must be a minimum of 40mm high by 80mm long
(see note 2 & figure 1)
9.
An exterior mirror must be a minimum of 40mm high and 70mm long, and be able to incorporate a measurement parallel to the height of the rectangle at least 70mm in length within the lens. (see note 2 & figure 1)
10.
The interior mirror must be adjustable from the normal driving position.
11.
The obligatory offside mirror fitted to a vehicle with a right hand or central driving position must be adjustable from the driving seat. Alternatively, if knocked out of alignment, it must be capable of being returned to its former position without the need for adjustment.
12.
An obligatory mirror must provide the required field of view (see Annex 1 and note 6).

[deadscoob]

Cheers