Section 5880 Of Article 2. Performing The Work From California Streets And Highways Code >> Division 7. >> Part 3. >> Chapter 27. >> Article 2.

. If the construction is not commenced and prosecuted to completion with due diligence, as required by the notice or by the legislative body after the hearing required by Section 5878.1 of this chapter, the superintendent of streets shall forthwith construct the sidewalks or curbs.