Riverside Overpass Master Planning

1. Riverside Overpass Master Planning Riverside Elementary School West Contra Costa Unified School District Presenters: Sally Swanson & Magdy Abdalla June 11, 2013 SALLY SWANSON ARCHITECTS, INC. 220 Sansome Street, Suite 1100, San Francisco CA 94104 | T: 415-445-3045 | www.swanarch.com

2. Agenda • Existing School Site • Master Plan Objectives • Caltrans Proposed Solution • Alternative Locations • Desired District Outcomes • Conclusion • Questions and Answers

3. Existing School Site

4. Master Plan Objectives The School’s Master Plan focuses on three elements

5. Master Plan Objectives • Open Space • Designate open spaces and create policies to ensure preservation and maintenance • Identify safe areas and pleasant open spaces • Landscape elements • Incorporate accessibility • Design standards that will increase safety and comfort

6. Master Plan Objectives Transportation & Circulation • Minimal conflicts between pedestrians and vehicles • Increase parking facilities- visitor and disabled parking • Clearly identify entries into school- including signage and security 2

7. 3 Master Plan Objectives • Buildings • High quality architecture and open space • In harmony with immediate surroundings • Facilitate accessibility and pedestrian circulation • Environmentally sustainable landscape • Economically feasible and functional • Support green and sustainable techniques

8. Master Plan Limitations

9. Caltrans Proposed Solution

10. Caltrans Proposed Solution at I-80 and San Pablo Dam Road

11. Caltrans Proposed Solution Parking Lots and Spaces • Design not to ADA codes: • Path of Travel • In vehicular way • No designated path • Location to Administrative Entrance – 380 feet • Accessible space not compliant • Not Van accessible • Aisle not on passenger side • Reconfiguration of parking necessary

12. Caltrans Proposed Solution Design Security Concerns • 4- story structure • Creates danger zone • Parking - Pedestrian movement in conflict • Location hides parking Danger Zone Fire Lane

13. Caltrans Proposed Solution Space Concerns • Four- story structure • reduces site square footage • Reduces available parking The scale of the overpass is not compatible with the height and design of Riverside Elementary

14. Caltrans Proposed Solution Compromised Community • Cars, copper piping, & Computers • Disabled access in conflict with vehicular traffic • Lack of site control

15. Caltrans Proposed Solution Noise Concerns • Landscaping removed • Does not improve site acoustics • Overpass traffic on school site cannot be controlled

16. Caltrans Solution Analysis Caltrans Design

17. ALTERNATIVE LOCATIONS

18. Alternative Locations Alternative #1: West side of Amador on Caltrans property

19. Conceptual Alternative Analysis Alternate #1

20. Alternative Locations Alternative #2: Corner property at Riverside Avenue

21. Conceptual Alternative Analysis Alternate #2

22. Desired District Outcomes

23. Conclusion • Decision needs to be made due to cost constraints • Save Overpass Funding • Construct Overpass • Finalize Master Plan • Provide Best Development Outcomes

24. QUESTIONS AND ANSWERS

25. Alternate 3 Alternative #3: Acoustic barrier adjacent to Amador Street

26. Alternate 4 Alternative #4: Acoustic barrier adjacent to Amador Street