Western Australian Current Regulations

WORK HEALTH AND SAFETY (MINES) REGULATIONS 2022 - REG 50C

50C .         Assessment of notional vertical surface area

        (1)         The notional vertical surface area of a workplace must be assessed by multiplying the following —

            (a)         the length of the perimeter of the roof, or the part of a roof, covering the workplace;

            (b)         the average height of the roof, or the part of a roof, covering the workplace.

        (2)         The notional vertical surface area of a part of a workplace must be assessed by multiplying the following —

            (a)         the length of the perimeter of the roof, or the part of a roof, covering the part of the workplace;

            (b)         the average height of the roof, or the part of a roof, covering the part of the workplace.