elizabeth johntier of planning staff. the project before you is a certificate of appropriateness for work at washington square park. the park is under the jurisdiction of the san francisco recreation and park department. the site is bounded by columbus avenue, fillbert, stockton, union, and powell street in the north beach neighborhood. in a p zoning and open space height involved district. washington square was locally designated as landmark number 226 in 1999. the square was established in 1850 and redesigned in 1958 according to to master plan by douglas bayliss and frances joseph mccarthy who were prominent designers of the mid century modern period. the city park includes a large central lawn affected by concrete walking paths, benches, monuments and a playground and large trees and smaller shrub. a certificate of appropriateness was approved by the h.p.c. in march of 2017. rec and parks washington square water conservation project seeks to reduce the park's existing irrigation water use. it entails removal and repla