53 Pa. Stat. § 2805
Said viewers, having been duly sworn or affirmed faithfully, 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 to the provisions of this act, and having viewed the premises or examined the property, shall hear all parties interested and their witnesses, and shall estimate and determine the costs and expenses and the damages for property taken, injured or destroyed, to whom the same is payable; and having so estimated and determined the damages, together with the benefits as hereinafter mentioned, they shall prepare a schedule thereof, and give notice to all parties to whom damages are allowed, or upon whom assessments for benefits are made, of a time, not less than ten days thereafter, and of a place where said viewers will meet and exhibit said schedule and hear all exceptions thereto and evidence. Notice of the time and place of said meeting shall be given, by personal service, upon all parties allowed damages or assessed benefits, as shown upon such schedule.
53 P.S. § 2805