SHC §31015: (a) Revenues generated from the surcharge shall not exceed nine hundred seven million dollars ($907,000,000), unless any of the following occurs: (1) After completing 30 percent of the design, and aft

(a) Revenues generated from the surcharge shall not exceed nine hundred seven million dollars ($907,000,000), unless any of the following occurs: (1) After completing 30 percent of the design, and after completion of a cost estimate by the department, the authority selects a design that costs more than the cost of a single tower cable suspension bridge selected by the department. (2) The authority requests funding for the replacement or relocation of the transbay bus terminal in the City and County of San Francisco. (3) The authority requests funding for a bicycle or pedestrian access that is to be added to either the new east span of the San Francisco-Oakland Bay Bridge or the retrofitted west span of that bridge, or both. (b) If the authority does any of the things listed in paragraphs (1) to (3), inclusive, of subdivision (a), the local share of the project costs shall be increased by an amount equal to any additional costs that are incurred as a result of the authority’s decision. (c) The department shall include the amenities requested by the authority only if sufficient funds generated by the seismic retrofit surcharge are made available to fully pay for those amenities.