MD 355 CROSSING UPDATE · MD 355 CROSSING –UPDATE OCTOBER 4, 2016. Title: MD 355 Crossing – BIC...
Transcript of MD 355 CROSSING UPDATE · MD 355 CROSSING –UPDATE OCTOBER 4, 2016. Title: MD 355 Crossing – BIC...
![Page 1: MD 355 CROSSING UPDATE · MD 355 CROSSING –UPDATE OCTOBER 4, 2016. Title: MD 355 Crossing – BIC Update 10-04-16 Author: Cupples, Tim Created Date: 10/5/2016 11:48:35 AM ...](https://reader030.fdocuments.us/reader030/viewer/2022011823/5ecf9e3386a5313a9b752603/html5/thumbnails/1.jpg)
MD 355 CROSSING – UPDATEOCTOBER 4, 2016
![Page 2: MD 355 CROSSING UPDATE · MD 355 CROSSING –UPDATE OCTOBER 4, 2016. Title: MD 355 Crossing – BIC Update 10-04-16 Author: Cupples, Tim Created Date: 10/5/2016 11:48:35 AM ...](https://reader030.fdocuments.us/reader030/viewer/2022011823/5ecf9e3386a5313a9b752603/html5/thumbnails/2.jpg)
PURPOSE AND
NEED
Enhance Access to Mass
Transit
Improve Mobility and Safety
of Pedestrians and Bicyclists
Crossing MD 355
Improve Traffic Operations
at the Existing Intersection
of South Wood Road, South
Drive and MD 355
![Page 3: MD 355 CROSSING UPDATE · MD 355 CROSSING –UPDATE OCTOBER 4, 2016. Title: MD 355 Crossing – BIC Update 10-04-16 Author: Cupples, Tim Created Date: 10/5/2016 11:48:35 AM ...](https://reader030.fdocuments.us/reader030/viewer/2022011823/5ecf9e3386a5313a9b752603/html5/thumbnails/3.jpg)
CONCEPTUAL
SOLUTION
Shallow Underpass
Surface Transit Users
Pedestrians
Cyclists
Community
Deep Elevator Shaft
WMATA Red Line
Patrons
PRELIMINARY RENDERING FROM RFP – FINAL DESIGN WILL VARY
![Page 4: MD 355 CROSSING UPDATE · MD 355 CROSSING –UPDATE OCTOBER 4, 2016. Title: MD 355 Crossing – BIC Update 10-04-16 Author: Cupples, Tim Created Date: 10/5/2016 11:48:35 AM ...](https://reader030.fdocuments.us/reader030/viewer/2022011823/5ecf9e3386a5313a9b752603/html5/thumbnails/4.jpg)
PROJECT SCOPE
SHA Intersection Improvement
MD 355 and Jones Bridge Road
![Page 5: MD 355 CROSSING UPDATE · MD 355 CROSSING –UPDATE OCTOBER 4, 2016. Title: MD 355 Crossing – BIC Update 10-04-16 Author: Cupples, Tim Created Date: 10/5/2016 11:48:35 AM ...](https://reader030.fdocuments.us/reader030/viewer/2022011823/5ecf9e3386a5313a9b752603/html5/thumbnails/5.jpg)
ORIGINAL PROJECT FUNDING
Source Funding
DOD Office of Economic Adjustment –
355 Crossing
$40 million
DOD Office of Economic Adjustment –
Jones Bridge Road
$5 million
DOD Defense Access Roads Program $28 million
Total $73 million
ROUNDED TO NEAREST MILLION
![Page 6: MD 355 CROSSING UPDATE · MD 355 CROSSING –UPDATE OCTOBER 4, 2016. Title: MD 355 Crossing – BIC Update 10-04-16 Author: Cupples, Tim Created Date: 10/5/2016 11:48:35 AM ...](https://reader030.fdocuments.us/reader030/viewer/2022011823/5ecf9e3386a5313a9b752603/html5/thumbnails/6.jpg)
PROPOSALS
Challenge
Two Proposals Received on 7/17/15
Both Exceeded Available Funding
$46 Million Funding Shortfall
Solution
Secure Additional Funds
Negotiated Cost Savings
![Page 7: MD 355 CROSSING UPDATE · MD 355 CROSSING –UPDATE OCTOBER 4, 2016. Title: MD 355 Crossing – BIC Update 10-04-16 Author: Cupples, Tim Created Date: 10/5/2016 11:48:35 AM ...](https://reader030.fdocuments.us/reader030/viewer/2022011823/5ecf9e3386a5313a9b752603/html5/thumbnails/7.jpg)
ADDITIONAL PROJECT FUNDING
Source Funding
DOD Office of Economic Adjustment –Additional
Funding
$34 million
Repurposed Earmark – Federal funds via SHA $2 million
Total $110 million
Approximate Remaining Shortfall $11 million
ROUNDED TO NEAREST MILLION
![Page 8: MD 355 CROSSING UPDATE · MD 355 CROSSING –UPDATE OCTOBER 4, 2016. Title: MD 355 Crossing – BIC Update 10-04-16 Author: Cupples, Tim Created Date: 10/5/2016 11:48:35 AM ...](https://reader030.fdocuments.us/reader030/viewer/2022011823/5ecf9e3386a5313a9b752603/html5/thumbnails/8.jpg)
DELETE GRANITE FROM UNDERPASS
USE ARCHITECTURAL CONCRETE
Consistent with South Gate
No Impact to Historic View Sheds
Saves $230,000
PRELIMINARY RENDERING FROM RFP – FINAL DESIGN WILL VARY
![Page 9: MD 355 CROSSING UPDATE · MD 355 CROSSING –UPDATE OCTOBER 4, 2016. Title: MD 355 Crossing – BIC Update 10-04-16 Author: Cupples, Tim Created Date: 10/5/2016 11:48:35 AM ...](https://reader030.fdocuments.us/reader030/viewer/2022011823/5ecf9e3386a5313a9b752603/html5/thumbnails/9.jpg)
REDUCE UNDERPASS WIDTH
Reduces Traffic Impacts (shorter construction)
Less Rock Excavation
Less Concrete
Delete WMATA Tile Floor
No Impact on Capacity to Move Pedestrians
Saves $700,000
![Page 10: MD 355 CROSSING UPDATE · MD 355 CROSSING –UPDATE OCTOBER 4, 2016. Title: MD 355 Crossing – BIC Update 10-04-16 Author: Cupples, Tim Created Date: 10/5/2016 11:48:35 AM ...](https://reader030.fdocuments.us/reader030/viewer/2022011823/5ecf9e3386a5313a9b752603/html5/thumbnails/10.jpg)
REDUCE UNDERPASS WIDTH
Reduces Traffic Impacts (shorter construction)
Less Rock Excavation
Less Concrete
Delete WMATA Tile Floor
No Impact on Capacity to Move Pedestrians
Saves $700,000
![Page 11: MD 355 CROSSING UPDATE · MD 355 CROSSING –UPDATE OCTOBER 4, 2016. Title: MD 355 Crossing – BIC Update 10-04-16 Author: Cupples, Tim Created Date: 10/5/2016 11:48:35 AM ...](https://reader030.fdocuments.us/reader030/viewer/2022011823/5ecf9e3386a5313a9b752603/html5/thumbnails/11.jpg)
DELETE UNDERPASS ESCALATORS
RFP Contemplated One @ Each End (Up Only)
No Impact on ADA Access
ADA Access via Two Elevators @ Each End
No Impact on Capacity to Move Pedestrians
Saves $900,000
PRELIMINARY RENDERING FROM RFP – FINAL DESIGN WILL VARY
![Page 12: MD 355 CROSSING UPDATE · MD 355 CROSSING –UPDATE OCTOBER 4, 2016. Title: MD 355 Crossing – BIC Update 10-04-16 Author: Cupples, Tim Created Date: 10/5/2016 11:48:35 AM ...](https://reader030.fdocuments.us/reader030/viewer/2022011823/5ecf9e3386a5313a9b752603/html5/thumbnails/12.jpg)
DELETE UNDERPASS CANOPIES
Not Necessary if Escalators are Deleted
County Will Remove Snow
Reduces Impacts to Historic Viewsheds
Saves $1.5 Million
PRELIMINARY RENDERING FROM RFP – FINAL DESIGN WILL VARY
![Page 13: MD 355 CROSSING UPDATE · MD 355 CROSSING –UPDATE OCTOBER 4, 2016. Title: MD 355 Crossing – BIC Update 10-04-16 Author: Cupples, Tim Created Date: 10/5/2016 11:48:35 AM ...](https://reader030.fdocuments.us/reader030/viewer/2022011823/5ecf9e3386a5313a9b752603/html5/thumbnails/13.jpg)
MODIFY CONSTRUCTION METHOD TO ELIMINATE OVERHEAD
UTILITY RELOCATION
Innovative Construction Techniques
Under Power Lines
Greatly Reduces Impacts to NIH
Adds $500,000 to Construction Contract
Saves $3.5 Million in Utility Relocation Costs
Net Savings of $3 Million
![Page 14: MD 355 CROSSING UPDATE · MD 355 CROSSING –UPDATE OCTOBER 4, 2016. Title: MD 355 Crossing – BIC Update 10-04-16 Author: Cupples, Tim Created Date: 10/5/2016 11:48:35 AM ...](https://reader030.fdocuments.us/reader030/viewer/2022011823/5ecf9e3386a5313a9b752603/html5/thumbnails/14.jpg)
CHANGE DEEP SHAFT ELEVATOR LOBBY FINAL LINER
Existing Mezzanine Ceiling is Drop Spline
RFP Contemplates Precast Barrel with Ribs &
Acoustic Panels
Provide CIP Concrete with Acoustic Panels
Saves $450,000
PRELIMINARY RENDERING FROM RFP – FINAL DESIGN WILL VARY
![Page 15: MD 355 CROSSING UPDATE · MD 355 CROSSING –UPDATE OCTOBER 4, 2016. Title: MD 355 Crossing – BIC Update 10-04-16 Author: Cupples, Tim Created Date: 10/5/2016 11:48:35 AM ...](https://reader030.fdocuments.us/reader030/viewer/2022011823/5ecf9e3386a5313a9b752603/html5/thumbnails/15.jpg)
REDUCE DEEP SHAFT DIAMETER
Reduces Rock Excavation and Concrete
Delete One Elevator
Two Elevators Provide 2.8x Required Vertical
Circulation Capacity
No Impact on Safety
Saves $4 Million
PRELIMINARY RENDERING FROM RFP – FINAL DESIGN WILL VARY
![Page 16: MD 355 CROSSING UPDATE · MD 355 CROSSING –UPDATE OCTOBER 4, 2016. Title: MD 355 Crossing – BIC Update 10-04-16 Author: Cupples, Tim Created Date: 10/5/2016 11:48:35 AM ...](https://reader030.fdocuments.us/reader030/viewer/2022011823/5ecf9e3386a5313a9b752603/html5/thumbnails/16.jpg)
CURRENT ACTIVITY
Surveying
Soil Borings
Design
![Page 17: MD 355 CROSSING UPDATE · MD 355 CROSSING –UPDATE OCTOBER 4, 2016. Title: MD 355 Crossing – BIC Update 10-04-16 Author: Cupples, Tim Created Date: 10/5/2016 11:48:35 AM ...](https://reader030.fdocuments.us/reader030/viewer/2022011823/5ecf9e3386a5313a9b752603/html5/thumbnails/17.jpg)
UPCOMING CONSTRUCTION
Early 2017
Work Inside NSAB Fence
Utility Relocation
Mid 2017
Start Deep Shaft
Late 2017
Start Underpass
Final Completion – Mid 2020
SCHEDULE SUBJECT TO CHANGE
![Page 18: MD 355 CROSSING UPDATE · MD 355 CROSSING –UPDATE OCTOBER 4, 2016. Title: MD 355 Crossing – BIC Update 10-04-16 Author: Cupples, Tim Created Date: 10/5/2016 11:48:35 AM ...](https://reader030.fdocuments.us/reader030/viewer/2022011823/5ecf9e3386a5313a9b752603/html5/thumbnails/18.jpg)
MD 355 CROSSING – UPDATEOCTOBER 4, 2016