DRAFT HISTORICAL RESOURCES INVENTORY REPORT FOR THE BART PHASE II CANOPY AND ESCALATOR MODERNIZATION PROJECT, MARKET STREET, SAN FRANCISCO, CALIFORNIA P REPARED FOR: San Francisco Bay Area Rapid Transit (BART) District P.O. Box 12688 (Mail Stop LKS ‐ 22) Oakland, CA 94604‐2688 Contact: Janie Layton (510) 874‐7423 P REPARED BY: ICF 630 K Street, Suite 400 Sacramento, California 95814 Contact: Susan Lassell (916) 737‐3000 August 2017 ICF International. 2017. Historical Resources Inventory Report for the BART Phase II Canopy and Escalator Modernization Project, Market Street, San Francisco, California. DRAFT. August. (ICF 00203.17.) Sacramento, California. Prepared for BART, Oakland, California. San Francisco Bay Area Rapid Transit (BART) District Contents Contents List of Tables ........................................................................................................................................... ii List of Exhibits ......................................................................................................................................... ii List of Figures .......................................................................................................................................... ii List of Acronyms and Abbreviations ...................................................................................................... iii Chapter 1 Introduction ...................................................................................................................... 1‐1 Purpose and Need ............................................................................................................................... 1‐1 Project Description .............................................................................................................................. 1‐1 Chapter 2 Regulatory Context ........................................................................................................... 2‐1 California Environmental Quality Act .................................................................................................. 2‐1 CEQA Historical Resources and the City of San Francisco ............................................................ 2‐2 Chapter 3 Methods ........................................................................................................................... 3‐1 Chapter 4 Results of Identification .................................................................................................... 4‐1 CEQA Resource Identification at BART Station Entrances................................................................. 4‐12 Embarcadero Station Entrances ................................................................................................. 4‐12 Montgomery Station Entrances .................................................................................................. 4‐13 Powell Station Entrances ............................................................................................................ 4‐14 Civic Center Station Entrances .................................................................................................... 4‐15 Resource Identification Conclusions ................................................................................................. 4‐16 Chapter 5 References ........................................................................................................................ 5‐1 Appendix A Character Defining Features of Market Street Landscape and United Nations Plaza Historical Resources Inventory Report for the BART Phase II August 2017 Canopy and Escalator Modernization Project, Market Street, i ICF 00203.17 San Francisco, California San Francisco Bay Area Rapid Transit (BART) District Contents List of Tables Table Page 1 Station Entrance/Exit Canopy Count ............................................................................................ 1‐2 2 Summary of Results ...................................................................................................................... 4‐2 3 Historical Resources in the Embarcadero Station Project Area .................................................. 4‐12 4 Historical Resources in the Montgomery Station Project Area .................................................. 4‐13 5 Historical Resources in the Powell Station Project Area ............................................................ 4‐14 6 Historical Resources in the Civic Center Station Project Area .................................................... 4‐15 List of Figures Figure Follows Page 1 Historical Resources Within the Project Area. .............................................................................. 4‐1 Historical Resources Inventory Report for the BART Phase II August 2017 Canopy and Escalator Modernization Project, Market Street, ii ICF 00203.17 San Francisco, California San Francisco Bay Area Rapid Transit (BART) District Contents Acronyms and Abbreviations AWSS San Francisco Fire Department Auxiliary Water Supply System BART Bay Area Rapid Transit CCR California Code of Regulations CEQA California Environmental Quality Act CLE Cultural Landscape Evaluation, Better Market Street Project, Market Street, San Francisco, CA CRHR California Register of Historical Resources DPR Department of Parks and Recreation DPW City of San Francisco Department of Public Works Muni San Francisco Municipal Railway NRHP National Register of Historic Places PIM City of San Francisco Planning Department Property Information Map Planning Department City of San Francisco Planning Department PRC Public Resources Code proposed project BART Phase II Canopy and Escalator Modernization Plan Historical Resources Inventory Report for the BART Phase II August 2017 Canopy and Escalator Modernization Project, Market Street, iii ICF 00203.17 San Francisco, California Chapter 1 Introduction Purpose and Need The San Francisco Bay Area Rapid Transit (BART) District Phase II Canopy and Escalator Modernization Plan project (proposed project) would install vertical canopy structures at 21 BART entrances along Market Street in San Francisco. ICF is providing assistance to BART with identifying the appropriate level of California Environmental Quality Act (CEQA) documentation based, in part, on the potential for the proposed project to impact CEQA historical resources. BART has requested that ICF prepare a Historical Resources Inventory report that identifies known CEQA historical resources and the potential for not‐yet‐documented CEQA historical resources to be located in the project area. Based on the conclusions of this Historical Resources Inventory report, BART will determine the appropriate CEQA document for meeting BART’s CEQA requirements. Project Description The Bay Area Rapid Transit (BART) District, in cooperation with the City and County of San Francisco, proposes to expand its escalator replacement/station canopy project to four Downtown San Francisco BART stations along Market Street—specifically, 21 entrances/exits at the Embarcadero, Montgomery Street Powell Street, and Civic Center/United Nations Plaza stations. A list by station of the escalators/stairways included in the proposed project is provided in Table 1. The proposed improvements would include removal and replacement/refurbishment of existing escalators, and installation of canopies over the entrances/exits. These improvements would be constructed in accordance with the American Society of Mechanical Engineers A17.1, Section 6.1.8, which states that all new or replaced escalator units must be covered in order to protect existing escalators from weather‐related damage. Each canopy would include three glass walls, which would be installed in approximately the same footprint as the existing masonry parapet walls, and would allow clear sight lines on all sides while the stations are open. Removable artwork may be periodically displayed on the interior of the canopy roofs. This artwork for the most part would be visible only from inside the canopy structure. The canopies, at an approximate height of 14 feet, would overhang the front of the entry to the escalators and stairs by a length of approximately 10.7 feet, and would provide further protection from the weather for the equipment and to patrons as they enter and exit the station. The structures would also provide wayfinding capabilities and transit information for BART and San Francisco Municipal Railway (Muni) patrons. Each protective canopy would also be equipped with a motorized station security grille that will lock at the top of the entrance at night when the stations are closed. This security feature would improve safety conditions for BART employees tasked with opening the stations in the mornings. Construction of the canopies would be phased so that station access would be maintained at all times throughout construction. While multiple entrances may be closed simultaneously at the various stations along Market Street, only one or two station entrances/exits would be closed at any one station at any time. Historical Resources Inventory Report for the BART Phase II August 2017 Canopy and Escalator Modernization Project, Market Street, 1‐1 ICF 00203.17 San Francisco, California Table 1. Station Entrance/Exit Canopy Count Station Escalator Replacement/ Canopy Refurbishment (Escalator Number) Embarcadero S1 Yes S2 Yes S4 Yes S5 Yes S6 Yes S7 Yes Montgomery Street S1 Yes S3 Yes S4 Yes S5 Yes S7 N/A, escalator indoor S8 Yes S9 N/A, escalator indoor Powell Street S1 Yes