In addition to the fees required by regulation 1602—
(a) in the case of a request made under section 147 of the Act the additional prescribed fee for the purposes of section 147(3)(b) of the Act is $160 per hour; and
(b) in the case of any matter where an inspection of the site is made by a member or members of the Building Appeals Board hearing the matter, an additional fee of $160 per hour may, at the discretion of the Board, be required from the person requesting the matter to be heard.