Sec. 178.1. 

(a)  The board may lease to the highest responsible bidder subsurface space under any public park or public grounds under its control subject to following conditions:

(1)  when such use will not breach the conditions, if any, under which the land has been deeded to the City; and

(2)  when the board shall find that the works to be constructed, and the necessary approaches, ramps, ventilators and appurtenances when completed will not be in any material respect or degree detrimental to the original purpose for which said land was dedicated; or set aside by the City. Such finding, when approved by ordinance adopted by the City Council shall be final and conclusive; and

(3)  no such lease shall be for a term exceeding fifty years; and

(4)  when such lease is for the purpose of constructing and operating a public automobile parking station, or subway, or subway station. The operation of a public automobile parking station shall include facilities and functions incidental thereto, such as the sale of gasoline, oil, and accessories, and providing service to vehicles; and

(5)  the board shall prescribe the terms and conditions of any such lease; and the proceeds from any such lease and any sums required to be paid to the City on account of the operations conducted thereunder shall be paid into the revenue fund under the jurisdiction of the board; and

(6)  any lease shall be approved by the Council by ordinance.

(b)  The board itself may design, construct and operate subsurface automobile parking stations under lands under its control, subject to Subdivisions (1) and (2) of Paragraph (a) of this section; and the revenue derived therefrom shall be paid into the revenue fund under the jurisdiction of the board.  (Sec. Added, 1947.)

An underground parking garage may properly be constructed in a park.

City and County of San Francisco v. Linares, 16 Cal. (2d) 441.