53 Pa. Stat. § 2621
The said viewers, having been duly sworn or affirmed justly and impartially to decide and true report to make concerning all matters and things to be submitted to them, and in relation to which they are authorized to inquire, in pursuance of the provisions of this act, and having viewed the said bridge, together with the approaches and appurtenances thereto, shall hear all parties interested and their witnesses; and shall estimate and determine the damages for the property taken, and to whom the same is payable; and prepare a schedule thereof, and give notice to all parties interested of a time, not less than ten days thereafter, and of a place where they will meet and exhibit said schedule, and hear all objections thereto and evidence. Notice of the time and place of said meeting shall be given by personal service upon all parties in interest, or their attorneys of record. After making whatever changes are deemed necessary, the said viewers shall make report to the court, showing the damages allowed and to whom the same is payable, and file therewith a plan showing the bridge, together with the approaches and appurtenances thereto.
53 P.S. § 2621