Dulles Corridor Metrorail Project · 2020. 11. 3. · COVID-19 Update •At Silver Line Project...
Transcript of Dulles Corridor Metrorail Project · 2020. 11. 3. · COVID-19 Update •At Silver Line Project...
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Dulles Corridor Metrorail Project
Phase 1 & Phase 2 Updates
DULLES CORRIDOR ADVISORY COMMITTEE
OCTOBER 2020
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COVID-19 Update • At Silver Line Project office, most employees are working offsite. Essential construction managers,
contractors and subcontractors working at construction sites. All are observing Airports
Authority guidelines for social distancing, wearing masks except when alone in private office and
wearing gloves and other protections.
• Procedures are in place for reporting temperatures when entering headquarters. Date has not been
set for return to offices.
• Everyone must follow guidelines put forth by Centers for Disease Control and Prevention, the
Commonwealth of Virginia and the Metropolitan Washington Airports Authority.
• All employees and contractors must wear masks and practice social distancing, keeping at least 6
feet apart at all work sites.
• All Airports Authority guidelines for employees, contractors and subcontractors are posted on project
website.
• Daily updates are posted as necessary to keep employees informed.
• Follow latest guidelines set by Virginia governor.
• Public tours and presentations are suspended.
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COVID has not slowed construction. Contractors are making up any lost time. The No. 1 Goal: Protection
of all employees, contractors and subcontractors.
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DCMP POSITIVE COVID-19 CASES AMONG STAFF AND CONTRACTORS
Report Date: 27-OCT-20
Category Positive Cases Open Notes
WMATA 1 0
Contractors & Subs 8 1 Phase 2 – 7
Phase 1 - 1
PMSS 2 1
MWAA Staff 0 0
Total Incidents Positive
Tests
Quarantined/
Contact Tracing
Add’l Staff
Quarantined
28 11 17 24
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Phase 1
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Quarter Expenditures (July, August, September)
$ 1.1 Million
Total Expenditures (Through September 30, 2020)
$ 2.929 Billion
Total Budget $ 2.982 Billion
Forecast at Completion $ 2.970 Billion
Phase 1 Cost Summary
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Phase 1 Quarterly Update
• Closeout of VDOT Comprehensive Agreement
There are two categories of work that must be performed: remediation of remaining
VDOT facility deficiency items and the Old Meadow Road intersection lane widening.
• Task Order Contract Status
Task Orders with Notice To Proceed or issued for proposal: 49 issued; 43 complete.
Completed work includes Americans with Disabilities Act (ADA) sidewalk repair,
underdrain remediation, and the swale to ditch conversion near West Falls Church Rail
Yard.
Upcoming activities include remaining structures repair and the Dulles Connector Road
left shoulder.
These items will be complete by Q2 2021
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Old Meadow Road Schedule • The final design is complete for the realignment.
• Utility relocation is complete.
• Phase 1 construction is complete including the storm drain work, sidewalk, and
new lane of the road.
• Phase 2 construction is almost complete. The median island is constructed.
• Plans Moving Forward:
Complete surface asphalt and striping. Paving scheduled for November.
Complete ADA ramp repairs on CityLine side of Old Meadow Road.
Finish signal changes.
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Installation of MCI Manhole in Median at Old Meadow Road
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Preparing for Underdrain Installation in Median at Old
Meadow Road
Median
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Grading at Median for Old Meadow Road
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Old Meadow Road Median Curb Complete
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Placing Sod in Old Meadow Road Median
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Phase 2
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September Expenditures $ 9.3 Million
Total Expenditures (Through September 30, 2020)
$ 2.380 Billion
Total Budget $ 2.778 Billion
Total Forecast $ 2.778 Billion
Phase 2 Cost Summary
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Phase 2 Contingency Allocation
Total Contingency $ 551.5 Million
Contingency Allocated through August 2020 $ 372.1 Million
Contingency Allocated in September 2020 $ 0.2 Million
Total Contingency Allocated through
September 2020
$ 372.3 Million
Remaining Contingency $ 179.2 Million 15
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Package A
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Guideway and Stations
Design-Build Activities
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Current
• 6 Requests for Information were reviewed and processed by the Project in
October and 2 Design Changes are under review; there are 3 Design Changes
in Progress and Unsubmitted.
• 14 Supplier Submittals were reviewed/processed in October.
• 8 Record Drawing Submittal Packages were processed in October.
• 0 of 11 open Non-Conformance Reports (NCRs) were resolved in October.
Three of the 11 are pending field work and verification, 2 are under review by
CRC Engineering and 6 are in the comment resolution phase.
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Package A Update • All ballasted Switches have undergone re-tamping and additional testing. WMATA has
agreed that the ties do not need to be replaced now. Escrow will be required to handle future
issues that might arise.
• The louvers on the north face of the station have been erected. The Glass Panels on the
south wall are installed. The lighting and Bird Preventative measures have been installed on
both north and south walls.
• The N06 Tie-in work started on June 19 and, with the full assistance of WMATA, the
contractor was successful in completing its initial phases of this work. There will be additional
weekend outages to complete all testing between Phase 2 and the existing WMATA
Automatic Train Control System before the end of 2020.
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What’s happening now
• Testing – Dynamic testing now 2/3 done, ongoing, anticipated
completion by end of the year. Dynamic and additional testing continues.
• Resolving Issues – Precast concrete panels, ballast at the rail yard,
concrete rail ties, cross bonds.
• Completion of stormwater ponds and Dulles Airport Windscreen.
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Garages—Ready and Waiting
Parking garages built by Fairfax and Loudoun
counties are virtually complete:
• Loudoun County has completed three parking
garages: – Ashburn North, Ashburn South and Loudoun Gateway.
– Total parking spaces – approximately 5,000.
– Special feature – electric charging stations.
• Fairfax County completed two new parking
garages: – Herndon and Innovation.
– Total parking spaces – 4,100.
– Innovation also served by pre-existing county-owned
garage connected by bridge to new garage.
– Special feature: rooftop snow melting machine.
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Loudoun Gateway Station Garage
Innovation Center Station Garage
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SCADA Testing to WMATA Operations and Control Center
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Installing Glass Panels at South Dulles Screen Wall
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Contractor Developing Storm Water Management
Ponds and Drainage Systems
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Package B
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September Contingency Allocation
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Total Contingency Allocated in September 2020 $0.2 Million
Package B – Hensel Phelps (HP) $0.1 Million
• Videographer for Training $142,000
Package K $0.1 Million
• SC-20-00024 WM Schlosser Reimbursement of Bond $78,359
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Rail Yard and Maintenance Facilities
Design-Build Activities Current
• All Design Submittal Packages completed and issued for construction.
• 42 Design and Field Changes In Process:
36 under comment resolution phase
6 received and reviewed by the Airports Authority in September
• 5 Construction Submittal Packages reviewed/processed and 19 Submittals were in comment
resolution phase in September 2020.
• 82 Discrepancy Reports to date:
7 currently open
1 resolved in September
• 79 Issues Requiring Resolution to date (September 2020):
– 12 open
– 0 resolved in September
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Rail Yard & Maintenance Facility Design-Build
Activities Current Activities - Buildings
• Punch list and minor design changes in office spaces.
• BBM Railway Equipment LLC (BBM) Dynamic testing essentially complete.
Some programming changes to Car Hoists are needed with follow up
confirmation testing of Main control panel operation.
• Wheel Boring Machine Still requires testing for repeatability accuracy.
• Train Wash Facility 95% tested, Requires minor retesting.
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Rail Yard & Maintenance Facility Design-
Build Activities Construction – Site and Yard
• Final signage on roadways has been installed.
• Sanitary sewer permitted by DEQ.
• Track and switch rework largely complete. Two switches continue to
have tight gauge issues.
• Airports Authority test lab performing QC testing of remediated
ballast, all results so far well within limits for fine particles.
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Wheel Press Testing
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Car Hoist Testing
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Truck Hoist Testing
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Underfloor Wheel Late Testing
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WMATA Office of Inspector General
Report Updates
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WMATA OIG Report Findings
on Concrete Panels – September 2020
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• OIG Inspection found 184 panels with 342 cracks.
• Silane Solution applied by contractor is sufficient if applied every 5 to 7 years.
• Cracks larger than 5 thousandths of an inch must be repaired before
acceptance.
• Cracks less than 5 thousandths of an inch must be monitored.
• The escrow amount to fund additional inspections and coatings must be
increased.
• The first inspection after repairs are completed should occur after one year.
• The rail yard sealant is acceptable but future application requirements and their
costs should be considered.
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