Section 510 - Powers of viewers(a) Proceedings.--(1) The viewers may adjourn the proceedings from time to time. Upon request of the viewers or a party, the court which appointed the viewers shall issue a subpoena to testify or to produce books and documents.(2) All the viewers shall act unless prevented by sickness or other unavoidable cause, but a majority of the viewers may hear, determine, act upon and report all matters relating to the view for which they were appointed.(b) Construction.--The provisions of this section shall not be affected by the appointment of an alternate viewer as provided for in section 504 (relating to appointment of viewers).2006, May 4, P.L. 112, No. 34, §1, effective in 120 days [ 9/1/2006].