16 Pa. Stat. § 5613
The 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 and having viewed the premises and examined the land, property or material to be appropriated, injured or destroyed, shall hear all parties interested and their witnesses, and, having a due regard to and making just allowance for the advantages which may have resulted or which may seem likely to result to the owner or owners of said lands or materials in consequence of the proposed improvement, shall estimate, determine and assess the damages for the land, property or material taken, injured or destroyed, and to whom the same is payable, and the benefits, if any, in connection therewith. Having so estimated, determined and assessed the damages and benefits, they shall prepare a schedule thereof, and give notice to all parties to whom damages are allowed or against whom benefits are assessed of a time, not less than ten days thereafter, and of a place, where said viewers shall meet and exhibit said schedule and hear all exceptions thereto and evidence.
16 P.S. § 5613