Notwithstanding the provisions of § 56-257.1, any plastic or other nonmetallic utility lines installed underground on and after July 1, 2002, shall be installed in such a manner as to be locatable by the operator for the purposes of this chapter.
Locating nonmetallic underground utility lines
Va. Code Ann. § 56-265.20:1, under Underground Utility Damage Prevention Act..
Va. Code Ann. § 56-265.20:1