SFMTA-2027-01-FTA_-_Attachment_1-D_-_Niagara_San_Jose.pdf
PDF 293 KB Posted
- Solicitation number
- SFGOV-0000012037
- Issued by
- California
About this file
This is a structural drawing document prepared by Foley and Lardner Engineers for the San Francisco Municipal Transportation Agency (SFMTA) related to precast ADA accessible stop platforms for the Muni Metro System. The drawing, titled "Structural Sections - Markup for Precast San Jose Ave. at Niagara St.," provides detailed transverse and longitudinal sections of platform construction at a specific transit station location. The document depicts specifications for precast and cast-in-place concrete components, including mat foundations with minimum 6-inch thickness, platform dimensions, ADA ramp configurations with a 7.5 percent slope, curb walls measuring 9 inches wide by 8 inches high, and accessible stop platforms with required clearances. Key elevation markers and measurements are provided throughout the drawing, including platform running slopes of 5.8 percent and cross slopes of 0.1 percent to ensure ADA compliance. The drawing indicates that conceptual design is shown with provisions for contractor-proposed alternatives to be coordinated with the engineer.
The document serves as a technical attachment to the SFMTA-2027-01-FTA procurement solicitation for precast ADA platforms at multiple Muni line locations throughout the transit system. The drawing incorporates design markups and notations prepared by project team members including Krish Shah, Minhton Tran, Anh T Nguyen, and Peter Yu, with approval and revision tracking documented on the drawing. This technical specification document establishes the baseline structural and dimensional requirements that qualified bidders must reference and potentially expand upon when submitting bids for the precast platform procurement project.
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TRANSVERSE SECTION AT PLATFORM
MUNICIPAL TRANSPORTATION AGENCY
TRANSVERSE SECTION AT RAMPLONGITUDINAL SECTION
FOUNDATION MAT PLAN
NOTES:
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10'-0" SEE ST SERIES PLAN
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LAYOUT OF PLATFORM ABOVE
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RAIL
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6" MIN THICK C.I.P. MAT FOUNDATION (N.I.C. FOR PRECAST)
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PRECAST
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CAST-IN-PLACE
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PRECAST (RAMP)
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JOINT AS NEEDED
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JOINT AS NEEDED
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SUPPORT WALL AS NEEDED
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C.I.P. MAT FOUNDATION (N.I.C. FOR PRECAST) 6" MIN. OR PER DESIGN
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PRECAST (PRECAST)
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B.O. MAT FOUNDATION
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PRECAST
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CAST-IN-PLACE
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6" MIN THICK C.I.P. MAT FOUNDATION (N.I.C. FOR PRECAST)
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6"-THICK C.I.P. MAT FOUNDATION (N.I.C. FOR PRECAST)
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TOP MAT FOUNDATION
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PRECAST
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CAST-IN-PLACE
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TOP MAT FOUNDATION
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LINE C START OF PRECAST
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LINE B EDGE OF PLATFORM AT RAMP
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LINE A EDGE OF PLATFORM
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CURB WALL TBD
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ADA RAMP
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ACCESSIBLE STOP PLATFORM
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6" MIN
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TOP MAT FOUNDATION
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T.O. FINISHED SURFACE
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TOP RAIL
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16'-0" (COORDINATE WITH ENGINEER)
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LINE D END/BOTTOM OF RAMP
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CAST-IN-PLACE
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COMPLETED/EXISTING
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6'-0" RAMP KEY-IN TOE (COORDINATE WITH ENGINEER)
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2'-9 " 34" TO T/RAIL
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DEPRESSED SLAB
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2'-0", OR PER PLAN
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KRISH SHAH
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MINHTON TRAN
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ANH T NGUYEN
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PETER YU
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CL-#####
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STRUCTURAL SECTIONS - MARKUP FOR PRECAST SAN JOSE AVE. AT NIAGARA ST.
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DATE
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NO.
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CHECKED
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REVISIONS
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APPROVED
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REVISED
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DESCRIPTION
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J MUNI FORWARD: CHURCH & MARKET
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MUNI METRO SYSTEM
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BORDER D SIZE - REVISED 02/01/23
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CITY AND COUNTY OF SAN FRANCISCO
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REVISION
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CONTRACT
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DRAWING
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DATE
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APPROVED
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REVIEWED
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RECOMMENDED
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DRAWN
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CHECKED
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DESIGNED
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GRAPHIC SCALE
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EL. C 244.70
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EL. C' 244.69
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EL. A' 243.26
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EL. A 243.27
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EL. B' 243.84
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EL. B 243.85
AutoCAD SHX Text PLATFORM RUNNING SLOPE Sp, 5.8% (POSITIVE = LEFT TO RIGHT NEGATIVE = RIGHT TO LEFT)
AutoCAD SHX Text CROSS SLOPE Sc, 0.1% (POSITIVE = SLOPE TO RAIL NEGATIVE = SLOPE TO SIDEWALK)
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EL. D 245.02
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EL. D' 245.01
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7.5% RAMP SLOPE PER DESIGN
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1. CONCEPTUAL DESIGN SHOWN, OTHER ALTERNATIVES TO BE CONCEPTUAL DESIGN SHOWN, OTHER ALTERNATIVES TO BE PROPOSED BY THE CONTRACTOR.
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