Reasonable costs incurred by the Planning Commission for private consultation fees or other extraordinary expense in connection with the review of a special use permit application shall be changed to the applicant. Such reimbursable costs shall be in addition to the required application fee. Maximum amounts for such reimbursable costs by project type and size shall be in accordance with the fee schedule established by the City Council. Said fee schedule shall include the requirement that an escrow account be established upon the Planning Department's receipt of the application to cover the anticipated costs of such consultant review and other expenses.