Design Development Standards January 2019 Revision History Revision Revision date Details 1.0 2.25.2019 DRAFT Design Development Standards 2019 Version 1.0 Contents 1.0 General ........................................................................................................................................................6 1.1 Purpose and Scope ........................................................................................................................................................... 6 1.2 Climate and Environmental Conditions .................................................................................................................... 7 1.3 System Technology Description ................................................................................................................................. 8 1.4 Codes and Standards ...................................................................................................................................................... 8 2.0 Operations............................................................................................................................................... 11 2.1 General .................................................................................................................................................................................11 2.2 Safety & Security .............................................................................................................................................................11 3.0 Track Alignment and Clearance ........................................................................................................ 12 3.1 Track Alignment ................................................................................................................................................................12 3.2 Clearance Requirements ..............................................................................................................................................13 4.0 Urban Design - Streetcar Stops ....................................................................................................... 14 4.1 Preferred Siting Criteria ................................................................................................................................................14 4.2 Streetcar Platforms ........................................................................................................................................................15 4.3 Streetcar Platform Design Parameters ..................................................................................................................15 4.4 Streetcar Platform Amenities .....................................................................................................................................16 4.5 Integration of Public Art ................................................................................................................................................18 4.6 Portland Streetcar Sponsorship Program ............................................................................................................19 5.0 Civil Work ................................................................................................................................................. 20 5.1 Survey Control System ..................................................................................................................................................20 5.2 Drainage ..............................................................................................................................................................................20 5.3 Right-of-Way ......................................................................................................................................................................21 5.4 Roadways ............................................................................................................................................................................21 6.0 Urban Design - R.O.W. and Alignment ............................................................................................. 22 6.1 Integrating Related Improvements ...........................................................................................................................22 6.2 Streetscape Development Strategies ....................................................................................................................22 6.3 Bicycle/Pedestrian/Streetcar Interfaces ..............................................................................................................23 7.0 Utilities ...................................................................................................................................................... 24 7.1 Preconstruction ................................................................................................................................................................24 7.2 Private Utilities ..................................................................................................................................................................25 7.3 Public Utilities ....................................................................................................................................................................25 7.4 Street Lights and Tra c Signals ................................................................................................................................26 7.5 Parking Meters ..................................................................................................................................................................26 7.6 Vaults and Basement Encroachments ....................................................................................................................27 7.7 Overhead Utility Lines ....................................................................................................................................................28 7.8 Temporary Support of Track Slab .............................................................................................................................28 8.0 TraƱ c ........................................................................................................................................................ 29 8.1 Applicable Codes .............................................................................................................................................................29 8.2 General Design Criteria .................................................................................................................................................29 8.3 Control of Streetcar-Tra c Interface..................................................................................................................... 30 8.4 Signage Design ................................................................................................................................................................ 30 8.5 Pavement Marking Design ...........................................................................................................................................31 8.6 General Operations.........................................................................................................................................................31 8.7 Tra c Control Through Work Zones .......................................................................................................................32 9.0 Trackwork ................................................................................................................................................33 9.1 General Trackway & Trackwork ..................................................................................................................................33 10.0 Structural .............................................................................................................................................. 35 10.1 General ...............................................................................................................................................................................35 10.2 Applicable Codes and Standards ...........................................................................................................................35 10.3 Loads and Forces ..........................................................................................................................................................36 11.0 Vehicles .................................................................................................................................................. 37 11.1 Vehicle Type .....................................................................................................................................................................37 11.2 Accessibility & ADA Compliance .............................................................................................................................37 11.3 Operating Environment .............................................................................................................................................. 38 11.4 Traction Power Supply Voltages .............................................................................................................................39 Portland Streetcar | Development Design Standards Page 4 11.5