Pennsylvania Statutes Title 16 P.S. Counties § 4002. Duties

(1) prepare plans, specifications and estimates of all engineering work undertaken by the county, and whenever required shall furnish the commissioners with reports, information or estimates on any such work, and, in general, shall perform all such duties with reference to any county engineering work as the county commissioners may from time to time prescribe;

(2) perform all duties relating to surveying as may be assigned to him by the county commissioners or by law; and

(3) perform all duties heretofore imposed on county surveyors.