Fire Safety : The photo shows the underside of a recently renovated floor containing offices and reception area.This void area is proposed to be converted to archive storage. What would be the classification of the archive?

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Fire Safety.

Q1) The photo shows the underside of a recently renovated floor containing offices and reception area.This void area is proposed to be converted to archive storage. What would be the classification of the archive?
Q2) Following the renovations explained in the previous question, the entrance to the renovated floor is proposed to change per the following drawings. The existing and proposed details are provided in the drawing on the next two pages. Focusing only on the renovated floor (not the storage or floors on higher elevations), what is the aggregate widths of the exits required for the renovated office
described in Q1?