Within 5 days (excluding Saturdays, Sundays, and legal holidays) of receipt of an order of the Commissioner pursuant to § 19-6, any party affected by the decision may file with the Clerk to the Board of Estimates of Baltimore City a written request for a public hearing before the Board of Estimates. Upon the filing of such a request, the Clerk to the Board of Estimates shall set a time and place for the hearing and shall notify the parties thereof at least 5 days before the hearing date. The hearing shall be held within 30 days after the request is filed. The decision of the Board of Estimates shall be final in the absence of fraud or collusion. City Code, 1976/83, art. 15, §128 Ord. 86-859