A. The subdivider shall improve or agree to improve all streets; pedestrian ways or easements in the subdivision and adjacent thereto required to serve the subdivision. No permanent improvement work shall be commenced until improvement plans and profiles have been approved by the city engineer and a subdivision improvement contract has been executed in writing between the subdivider and the city. Improvements shall be installed to permanent line and grade and to the satisfaction of the city engineer; and in accordance with the standard subdivision specifications adopted by the city council; a copy of which shall be on file in the office of the city engineer.

B. Costs of inspection shall be paid by the subdivider; except that where the subdivider and owner of a low and moderate income senior citizens housing project is a charitable nonprofit organization recognized as such by the United States Internal Revenue Service and State of California Franchise Tax Board; the inspections shall be made by the city without charge. The minimum improvements which the subdivider normally shall make; or agree to make; at the cost of the subdivider; prior to acceptance and approval of the final subdivision map by the city shall be as follows in Section 20.36.020 through 20.36.150.