Chapter 4 Station Platforms
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CHAPTER 4 STATION PLATFORMS Chapter 4 Station Platforms TABLE OF CONTENTS TABLE OF CONTENTS i I.A ALLOW CUSTOMERS TO WAIT IN SAFETY AND COMFORT 1 I.B SHOW CUSTOMERS THE MOST CONVENIENT MEANS OF ENTRY AND EXIT 1 I.C HAVE AN APPEARANCE WHICH CONVEYS A COHERENT SYSTEMWIDE IDENTITY 1 I.D PROVIDE FURNISHINGS AND ACCOUTERMENTS WHICH ENHANCE CUSTOMER SAFETY AND COMFORT 1 I. DESIGN INTENT 1 II.A PLANNING AND DESIGN 2 II.A.1 Platform Configurations 2 II.A.2 Platform Area 2 II. PLATFORMS 2 II.A.4 Queuing Space 3 II.A.5 Support Areas 3 II.A.6 Platform Water Supply 3 II.B TICKET VENDING MACHINES (TVM’S) 4 II.B.1 TVM Enclosure 4 II.B.2 Vending Machine Area 4 II.C CONSTRUCTION 4 II.C.2 Tactile Warning Surfaces 5 II.C.3 Materials 5 III.A STAIRS 7 III.A.1 General Considerations 7 III.A.2 Materials and Performance 7 III.B LOCKDOWN CONTROLS 7 II.B.1 Lockdown Controls 7 III. PLATFORM ACCESS 7 III.C. RAMPS 8 III.C.1 Program and Design Guidelines 8 III.C.2 Materials and Performance 9 III.C.3 Handicapped Ramp (Mini‐High Platform) 9 III.D OVERPASSES 9 III.D.1 Program Design Guidelines 9 III.D.2 Materials and Performance 10 III.E. AT‐GRADE CROSSINGS 10 III.E.1 General 10 III.E.2 Warning Devices 11 III.E.3 Crossing Gates 11 III.E.4 Median Barriers 12 III.E.5 Crossing Surfaces 12 III.E.6 Drainage 13 III.E.7 Emergency Grade Crossings with Gates 13 IV.A. CANOPIES 15 IV.A.1 Appearance 15 IV. PLATFORM ELEMENTS 15 IV.A.2 Materials and Performance 16 IV.B. WINDSCREENS 16 FIGURE 4.5 TYPICAL PLATFORM CANOPIES 16 IV.B.1 Appearance 17 SFRTA / Tri‐Rail i Station Design Guidelines Second Edition AUGUST 2012 Chapter 4 Station Platforms IV.B.2 Materials and Performance 17 IV.C TICKET AGENT OFFICE 17 IV.C.1 Program and Design Guidelines 17 IV.C.2 Materials and Performance 17 IV.D. RAILINGS 17 IV.D.1 Program and Design Guidelines 17 IV.D.2. Materials and Performance 18 VI.E SECURITY SYSTEM PROVISIONS 18 VI.E.1 Program and Design Guidelines 18 FIGURE 4.6 18 TYPICAL PLATFORM FENCE 18 IV.F PLATFORM FENCE 19 V.A SUSTAINABLE SITES (SS) 20 I.A.1 SS Credit 7.2: Heat Island Effect – Roof 20 V.B WATER EFFICIENCY (WE) 20 V.B.1 WE Prerequisite 1: Water Use Reduction 20 V.B.2 WE Credit 2: Innovative Wastewater Technologies 20 V.B.3 WE Credit 3: Water Use Reduction 20 V.C ENERGY & ATMOSPHERE (EA) 20 V.C.1 EA Credit 1: Optimize Energy Performance 20 V.C.2 EA Credit 2: On‐site Renewable Energy 20 V.C.3 EZ Credit 4: Enhanced Refrigerant Management 20 V.C.4 EA Credit 5: Measurement and Verification 20 V.C.5 EA Credit 6: Green Power 20 V.D MATERIALS & RESOURCES (MR) 20 V.D.1 MR Credit 4: Recycled Content 20 V.D.2 MR Credit 5: Regional Materials 20 V. GREEN DESIGN 20 V.D.3 MR Credit 6: Rapidly Renewable Materials 21 V.E INDOOR ENVIRONMENTAL QUALITY (IEQ) 21 V.E.1 IEQ Credit 4.1: Low‐Emitting Materials – Adhesives and Sealants 21 V.E.2 IEQ Credit 4.2: Low‐Emitting Materials – Paints and Coatings 21 V.E.3 IEQ Credit 4.3: Low‐Emitting Materials – Flooring Systems 21 V.E.4 IEQ Credit 4.4: Low‐Emitting Materials – Composite Wood and Agrifiber Products 21 V.E.5 IEQ Credit 5: Indoor Chemical and Pollutant Source Control 21 V.E.6 IEQ Credit 6.1: Controllability of Systems ‐ Lighting 21 V.E.7 IEQ Credit 6.2: Controllability of Systems – Thermal Comfort 21 V.E.8 IEQ Credit 7.1: Thermal Comfort ‐ Design 21 V.E.9 IEQ Credit 7.2: Thermal Comfort ‐ Verification 21 V.E.10 IEQ Credit 8.1: Daylight and Views ‐ Daylight 21 V.E.11 IEQ Credit 8.2: Daylight and Views ‐ Views 21 V.E.12 MR Credit 7: Certified Wood 22 SFRTA / Tri‐Rail ii Station Design Guidelines Second Edition AUGUST 2012 Chapter 4 Station Platforms I.B SHOW CUSTOMERS THE MOST I. DESIGN INTENT CONVENIENT MEANS OF ENTRY AND EXIT a. Platform layouts and signage should Large numbers of people will utilize TRI‐RAIL be representative of circulation stations as part of their daily routine. The patterns within the Station. majority of this experience will result from b. All points and means of access to the time passengers spend waiting for trains platforms shall also permit egress at the platform. from platforms. Platforms at TRI‐RAIL stations shall be c. Stairways, ramps, elevators, and designed to achieve the objectives outlined escalators, where used, shall be below. located to facilitate convenient I.A ALLOW CUSTOMERS TO WAIT IN access to, and swift egress from SAFETY AND COMFORT platforms. a. Platforms should be clearly visible I.C HAVE AN APPEARANCE WHICH from all parts of the Station; no CONVEYS A COHERENT SYSTEMWIDE portion of any platform should seem IDENTITY isolated or remote from the rest of a. Use of consistent design elements, the Station, or from the surrounding colors and finishes to enhance community. systemwide identity is encouraged. b. Platform lighting shall be in b. Platforms and canopies that are to accordance with the guidelines be added to existing Stations shall promulgated in Chapter 6 of these match the architectural image, Guidelines. color, finishes and construction c. Platforms shall be provided with components of the existing Station. full‐length canopies and adequate windscreens to ensure reasonable I.D PROVIDE FURNISHINGS AND passenger comfort under severe ACCOUTERMENTS WHICH ENHANCE weather conditions. CUSTOMER SAFETY AND COMFORT d. Passenger information systems and a. Platform fixtures and furnishings public address systems shall be in shall be provided in sufficient accordance with the guidelines quantity to provide for anticipated promulgated in Chapter 5 of these loading. Guidelines. b. Fixtures and furnishings such as e. Ancillary facilities such as Station seating, trash receptacles, Buildings (where provided), TVM windscreens, and the like shall be enclosures, and overpass structures adequately distributed to prevent shall be clearly visible from the overcrowding, and facilitate even platform, and convenient to use. loading of incoming trains. SFRTA / Tri‐Rail Page 4‐1 Station Design Guidelines Second Edition AUGUST 2012 Chapter 4 Station Platforms iv. Slope & Curvature: Essentially level and flat, except as follows: II. PLATFORMS a. Drainage: Maximum grade on the platform shall be 2%; minimum grade on the platform shall be 1%. Tolerances shall be maintained to II.A PLANNING AND DESIGN eliminate “bird baths” on the The location and configuration of platforms finished platform surface. Platform for TRI‐RAIL stations will generally be grades shall correspond to the track determined by existing track alignments, grade and be sloped to drain away and the right‐of‐way boundaries of the rail from tracks. corridor. The guidelines delineated in this b. Longitudinal Slope: Slope of Chapter must be applied within those platforms in the direction parallel to constraints. the tracks shall match slope of the Several TRI‐RAIL stations are shared with adjacent track, except at those other train providers, most notably Amtrak. location that must be ADA At these stations, certain design criteria, compliant. such as platform length, may be modified to c. Vertical Curvature: When tracks suit the service requirements of these other experience vertical curvature within providers. the limits of the station platforms, II.A.1 Platform Configurations the edge of each platform shall have vertical curvature applied to The following guidelines apply to side match the adjacent track. platforms, which are the preferred configuration. In the event an island v. Horizontal Track Clearance: The platform is required, additional elements required distance from centerline of the and clearances will be required. These near track to the platform edge shall be additional elements and clearances will 5’‐1 1/8”. The minimum clearance from significantly affect platform widths, end edge of platform to face of layouts and drainage requirements. For elevator/stair tower structure shall be island platform configuration requirements, 20’‐0”. The minimum clearance from please refer to Section II.A.3 centerline of nearest outside track to canopy column or post shall be 12’‐0”. i. Length: Platforms shall be 400 ft. (nominal) in length. Tri‐Rail/AMTRAK II.A.2 Platform Area stations shall have a minimum platform The minimum net area of each platform length of 1,000 feet. shall be no less than 83.3% of the total ii. Width: 25’‐0” minimum, with square footage of the platform, exclusive of additional width as necessary to meet platform edge “clear zones”, structural the “Platform Area” criteria under elements, vertical circulation elements, II.A.2. queuing spaces for designated station elements, and any restricted or otherwise iii. Alignment: Platforms should be unusable areas. located along tangent track. Where this is not possible, the total track curvature i. A 2’‐0” wide platform edge clear zone along the entire length of the platform shall extend the entire length of each shall not exceed 1°40’. platform. SFRTA / Tri‐Rail Page 4‐2 Station Design Guidelines Second Edition AUGUST 2012 Chapter 4 Station Platforms ii. The minimum platform width II.A.5 Support Areas delineated herein shall be increased as Equipment rooms and support areas shall necessary to meet this requirement. not be located within platform areas, nor iii. Should property lines or other should access to such areas directly from geometric restrictions limit the platform platform areas.