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Table 1: Parking Supply Increase Necessary to Maintain 85% Occupancy Across Varying Growth Scenarios Scenario Low Medium High Commercial Up to 60 spaces Up to 190 spaces Up to 330 spaces Residential Up to 45 spaces Up to 230 spaces Up to 800 spaces Mixed -Use Up to 185 spaces Up to 465 spaces Up to 1,020 spaces Supply Management Strategies The Downtown Specific Plan currently identifies two sites as potential locations for parking garages: within the parking lot of the City Library (400 Old Bernal Avenue), and a portion of the San Francisco Public Utilities Commission (SFPUC) property located adjacent to the City Library. The City is currently exploring the feasibility of developing parking facilities at these locations as part of the Civic Center Master Plan preparation process and in ongoing discussions with SFPUC. In an effort to more broadly explore the feasibility of developing a Downtown parking garage, the Parking Plan identifies three additional sites for a three- to four -level parking structure: the Workbench True Value site (636 Main Street), the Bank of America parking lot (west of 337 -349 Main Street), and the Inklings Coffee and Tea surface parking lot (530 Main Street). Each of these is described in further detail below (and associated costs are summarized in Table 2). Staff notes that these sites represent just a sample of potential parking structure development sites in Downtown, and are intended to illustrate representative structure configurations, capacities, and costs. • Workbench True Value Site — The Workbench True Value site is located at 636 Main Street, and is currently used as a surface parking lot with approximately 53 spaces. An existing driveway provides access to an area of the site where there are 30 additional parking spaces. These 83 spaces would need to be removed should a parking garage be constructed on this site, and vehicular access from Main Street would be prohibited to maintain a comfortable pedestrian environment on Main Street. A parking structure could yield a total of approximately 135 parking spaces, resulting in a net increase of 50 spaces beyond existing conditions. • Bank of America Site — The Bank of America parking lot is located on the southeast corner of W. Angela Street and Peters Avenue (west of 337 -349 Main Street), and consists of approximately 89 surface parking spaces. Depending on the size and number of levels of a parking structure at this location, up to 465 spaces could be constructed. Of the three options, a parking structure at this site could be optimal from a cost and locational perspective. Page 4 of 9