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Specification E4.8 Photoluminescent Exit Signs

1. Scope

This Specification contains requirements for photoluminescent Open link in same pageexit signs.

2. Application

A photoluminescent Open link in same pageexit sign must comply with Section 6 and Appendix D of AS 2293.1, except where varied by this Specification.

3. Illumination

A photoluminescent Open link in same pageexit sign must—

(a)

be maintained in a continuously charged state by a minimum illumination of 100 lux at the face of the sign by a dedicated light source with a colour temperature not less than 4000 K; and

(b)

in the event of a power failure, continue to provide a minimum luminance of 30 mcd/m2 for not less than 90 minutes; and

(c)

have its performance verified by testing in accordance with ASTM E2073-10, except the activation illumination in clause 8.3 is replaced with 54 lux.

4. Pictorial elements

Pictorial elements on a photoluminescent Open link in same pageexit sign must—

(a)

where the colour white is used, be replaced with a photoluminescent material; and

(b)

be not less than 1.3 times larger than that specified in Table 6.1 of AS 2293.1; and

(c)

have a border of photoluminescent material that extends not less than 15 mm beyond the pictorial elements.

5. Viewing distance

The maximum viewing distance in clause 6.6 of AS 2293.1 must not be more than 24 m.

6. Smoke control systems

Smoke control systems required by clause 6.3 of AS 2293.1 do not apply to a photoluminescent Open link in same pageexit sign.