The subdivider may be required to install improvements for the benefit of the subdivision which may contain supplemental size, capacity, number, or length for the benefit of property not within the subdivision and thereafter to dedicate such improvements to the public. The subdivider may be reimbursed for a portion of his costs as provided in Sections 66486 and 66487 of the Subdivision Map Act, or other reimbursement enabling acts. The subdivider’s engineer shall submit to the city engineer or other designated city official an engineer’s estimate for approval. (Ord. 617 §2 (Exh. A), 2011; Ord. 474, 2002).