Delaware Code Title 26. Public Utilities § 805. Duties of designers

(1) To contact the approved notification center and obtain the identity of operators whose facilities are listed, as required by § 803 of this title, in the area of the proposed excavation or demolition;

(2) To obtain the information prescribed in § 803(6) or (7) of this title from each operator identified as required by § 803(2) of this title;

(3) To show upon the drawing the type of each line, derived pursuant to the request made as required in paragraph (2) of this section, the name of the operator and telephone number of the approved notification center, and instructions to “notify the approved notification center not less than 2 working days, but no more than 10 working days, prior to the excavation or demolition activities.”