Any site plan involving land development along a County road for commercial use, industrial use, multifamily structures containing five or more units, off-street parking area or any development producing surface runoff in excess of one cubic foot per second per acre shall be submitted to the County Planning Board for review and approval. The site plan shall contain such additional information and shall be accompanied by a check payable to the Sussex County Planning Department for an appropriate amount, all as required by the Land Development Standards of the County of Sussex, New Jersey. The Board shall not act on the site plan until receipt of the County Planning Board report or until 30 days have elapsed from the time of referral to said County Board.