Silver Line Dulles WMATA Metrorail progress/pictures

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JDC
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Re: Silver Line Dulles WMATA Metrorail progress/pictures

Post by JDC » Wed Feb 10, 2016 12:26 pm

wrivlin wrote:
Sand Box John wrote:
The only one I have issues with is ornamentation on the columns in the Dulles Airport station mezzanine. The rest works well as they become a part of the overall architecture of the stations, virtually all of the art at others stations can not make that claim.
I agree. It looks like the columns are being eaten by giant squids. I oppose the giant squid invasion of the Dulles station.
I actually think they sort of look like a forest - and I think the lighting would make it appear quite different in person vs a pdf image. My issue is all of the inlaid tiles planned for the westernmost stations...and Loudoun's seems pretty banal at that.
Living in Springfield, VA; Working at Half & L, DC.

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Re: Silver Line Dulles WMATA Metrorail progress/pictures

Post by Sand Box John » Sun Feb 21, 2016 10:01 am

WMATA: Dulles Corridor Metrorail Project progress update e-mail 02 19 2016

DC to Dulles and Beyond: Metrorail on Track

Image
Future track supports travel through the snow-covered woodlands at Dulles
Photo by Jennifer Alcott, Capital Rail Constructors.

The blizzard of 2016 and February's ice, rain and snow slowed construction of the second Phase of the Silver Line, but not very much.

While the blizzard piled up to 29 inches at Dulles Airport and 25 to 30 inches at points along the alignment, simply getting to the work site was the main problem for workers, project officials said.

Once onsite, workers spent many hours clearing the snow from construction sites, including the median of the Dulles International Airport Access Highway corridor, around cargo areas at Dulles Airport and near car rental agencies.

The snows turned the airport into a winter wonderland.

This photo, above, shows the girders that will support the future guideway for aerial tracks for the Silver Line west of the terminal and bound for the Ashburn area where the terminus station is being built. Actually not, those are the columns for the yard lead elevated that connects the mainline to Dulles Yard.

Construction of Phase 2 of the Silver Line from Reston to Ashburn has hit the 30 percent mark.

"We have continued to build momentum through good weather prior to the recent snow storm, and work is continuing," said Kevin Volbrecht, Project Director for Phase 2, Package A. "The storm didn't impact the critical underground hand-mining for future utilities in the Dulles airport highway corridor." Hand mining is required because of vast amounts of below-grade granite in the corridor.

At Dulles Airport, workers have recovered and removed the snow and are setting 84 and 72 inch girders, should read 84 and 72 foot girders, according to Volbrecht. However, the pouring of the giant concrete slab for the future Dulles Airport Metrorail Station was delayed to allow the snow to melt and drain.

During the first week of February, crews erected a large tower crane at the site of the future station to be located between Daily Garage One and Saarinen Circle and began pile driving necessary to support construction of the future Reston Parkway station. The project launched extensive public outreach to notify those who live, play and work in the Reston Town Center and other areas where the pile driving noise may be heard.

Noise from blasting to remove granite at the site of the future rail yard being built along Route 606 west of the terminal can be heard near Mercure Business Park. Alerts continue to warn drivers of temporary road closings caused by blasting.

Meanwhile, construction continues in the median of the Dulles International Airport Access Highway, at the future Herndon, Innovation, Dulles Airport and Loudoun Gateway stations. Project officials continue to be optimistic about the pace of construction. "We are expecting to make tremendous progress in 2016," Volbrecht said.

Image
A pile driver similar to the one shown is used to construct the supporting piers of the Silver Line's future Reston Town Center Station.
Photo, Capital Rail Constructors.

Pedestrian Bridge Closes to Make Way for the Silver Line
It should read pedestrian tunnel

Image
Construction of the Dulles Airport Station. Photo Courtesy of Capital Rail Constructors.

The pedestrian tunnel between the main terminal and Garage 1 at Washington Dulles International Airport has been closed to permit construction of the future Dulles Airport Metrorail Station along the Silver Line.

The tunnel will remain closed for approximately two years, during which shuttle buses will carry travelers between the terminal and the garage. Shuttles will run every five minutes during peak travel hours to minimize delays.

"Maintaining pedestrian access is a primary concern as we undertake these changes," said Charles Stark, the Rail Project's Executive Director.

Extensive signage is in place throughout the airport to direct travelers. The Jan. 4 closing required extensive coordination with airport staff. Rail officials and airport staff will continue to monitor travelers' experience and make changes to signage, if needed.

Walkway access between Garage 2 and the main terminal remains open. The construction work includes multiple utility and communication line installations and reconfigurations. In addition, moving walkways must be shortened and adjusted to accommodate the new rail station at the mezzanine level of the airport.

When Metrorail opens, the tunnel will connect the station, as well as the garage, to the terminal.

Silver Line Support Straddle Bents Will Total 8
Gee, I wonder where they picked the term "Straddle Bent"

Image
Photo, Capital Rail Constructors.

Crews working on the Dulles Corridor Metrorail Project successfully completed a significant operation on Jan. 8, by pouring 473 cubic yards of concrete needed to construct a large "straddle bent" over the Dulles International Airport Access Highway.

A straddle bent supports a structure that spans a particularly wide area where piers cannot be used directly beneath the span.

Massive concrete operations require significant coordination between project crews and the airport.

The work on Jan. 8 required 49 truckloads of concrete, and caused minimal interruptions to eastbound traffic along the Access Highway. The concrete pour took about 6.5 hours to complete, including preparation time.

To ensure structural integrity, several tests are conducted prior to pouring the concrete. Test cylinders are poured and post-tensioning cables are tested to confirm compliance.

As the project continues, it will require seven additional large straddle bents on or near airport property, including two more over the eastbound Access Highway lanes and one over the westbound lanes. This work is scheduled to be completed by the third quarter of 2016. Work on the four remaining straddle bents over the eastbound lanes of the Dulles Greenway is projected to begin in late 2016.

###

Link to PDF version at Dulles Corridor Metrorail Project web site.
John in the sand box of Maryland's eastern shore.

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Re: Silver Line Dulles WMATA Metrorail progress/pictures

Post by JDC » Mon Feb 22, 2016 11:17 am

I have to take 2 trips to the airport in early April by car - I am excited to see how much progress has been made since I was there many months ago.
Living in Springfield, VA; Working at Half & L, DC.

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Re: Silver Line Dulles WMATA Metrorail progress/pictures

Post by JackRussell » Wed Mar 09, 2016 10:41 am

Small text update. I was out there last weekend and noted a few things.

The girder installation has now proceeded north up to the point where they are next to the Greenway. They have not yet attempted to place any girders south of Rudder Road.

At Innovation center, concrete panels with the tan fake brick sides have been installed - it is starting to look like a real Metro station. They are still finishing a few of the support posts that will ultimately support the roof.

There is a tower crane at the airport now to assist with building the airport station. More piers have appeared to either side of the future station. I didn't stop to take a look in the hole to see what progress had been made there.

There is construction at the Reston and Herndon stations, although for the most part all of the work still all below ground. I didn't go out the Greenway, so I can't comment as to any work that might have taken place there.

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Re: Silver Line Dulles WMATA Metrorail progress/pictures

Post by Sand Box John » Wed Mar 09, 2016 10:57 pm

Will make the trip over the bridge on the 27th to photo document the progress and celebrate the 40th anniversary.
John in the sand box of Maryland's eastern shore.

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Re: Silver Line Dulles WMATA Metrorail progress/pictures

Post by mackievlzpro » Tue Mar 15, 2016 4:55 pm

The beams have reached the Greenway

Image

Also, a lot more site prep has started at the Old Ox Road Station site.

Full photo album here: Dulles Metrorail Phase II Album

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Re: Silver Line Dulles WMATA Metrorail progress/pictures

Post by JackRussell » Tue Mar 15, 2016 8:11 pm

mackievlzpro wrote: Full photo album here: Dulles Metrorail Phase II Album
Bad link...

The extra hour of daylight in the evening makes it a lot easier to see things during the evening commute..

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Re: Silver Line Dulles WMATA Metrorail progress/pictures

Post by Sand Box John » Fri Mar 18, 2016 7:17 am

"JackRussell"

Bad link...


8 pictures starting here.

All of his Dulles Phase II pictures here.

Looks like they have gone as far as the last column on the main line and are now continuing along the east lead to the yard.
John in the sand box of Maryland's eastern shore.

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Re: Silver Line Dulles WMATA Metrorail progress/pictures

Post by Sand Box John » Wed Mar 30, 2016 7:05 am

Dulles Corridor Metrorail Project Pictures 03 27 2016

Construction on all of the station along the Dulles Access Road is now taking place. Excavation and pile driving for the foundation at the Reston Town Center station is well underway. The trees and brush have been cleared from the site for the Sunset Hill Road entrance on the north side of the station.

The Herndon Station has begun to come up out of the ground. The foundations are mostly complete over the entire length of the station. Forms for the first section of wall on the inbound side is in place. The wells for the hydraulic pistons of the mezzanine to platform elevators are in place.

The Innovation Center station continues to lead the race to completion. All of the columns up the the mezzanine level are in place. The west ancillary has been topped out and has had its precast panels installed on both side and the east end, the west end is sill open. Land on the south side of Sunrise Valley Drive has been cleared for the station entrance and parking garage.

Construction of the right of way barrier walls are at various stages of completion between Herndon and the east elevated abutment west of Rudder Road.

Ground work continues for storm drainage in the areas where right of way barrier walls has not commenced construction.

Mining for the utilities and traction power tunnels under the road ways of the access and toll road continues at various locations. The 34.5 KV power feed bus along most of the length of the Dulles Access Road is being trenched under the eastbound shoulder of the Access Road. Portion of the shoulder along Rudder Road north of the Dulles Assess Road have been milled off to allow the trenching of 34.5 KV power feed bus between the Access Road and Autopilot Drive.

The west straddle bent that will carry the elevated over the eastbound Dulles Access Road north of Aviation Drive is done. The forms have been set for the east straddle bent. I doesn’t look like concrete has been poured yet. South of Aviation Drive the columns for the two straddle bents, one over the eastbound and westbound Access Road are done. None of the columns have come up out of the ground between Aviation Drive and the straddle bents south of Aviation Drive. Only one column between straddle bents south of Aviation Drive and the east end of Dulles Airport station have come up out of the ground.

At the Dulles Airport station, form have been placed for floor above of the mechanical room adjacent to the mezzanine to platform elevator pits. The first section of floor slab at the mezzanine level on the west end has been poured. Rebar for the second section is being placed. Rebar for the walls at the west end are also being placed. All of the column for the station outside of the foot print of the mezzanine are at various stages of completions. The pedestrian tunnel has not been daylighted yet to make the connection to the station entrance. I think we can safely assume that is being held off to accommodated the shortening of the moving side walks and the modification of the profile in the part of the tunnel south of the station entrance.

Again all columns west of the Dulles Airport station are at various stages of completion including the columns along Airfright Lane south of the columns where the first girders were set.

The the decks on girders along Autopilot Drive between Rudder Road and Materials Road are done. Forms for the deck on the girders north of Materials Road extend out to just short of the east yard lead junction. Girders have been set to the last mainline column before the flyover and have been set roughly halfway between the east yard lead junction and the west yard lead junction.

Work on blasting to grade the site for Dulles Yard continues. It looks like the area for the shop building is being prepared for ground work.

Construction on the abutments for the Broad Run bridge have still not been completed.

No construction has begun at the sites of the station west of Dulles Airport. However jersey barriers are being places at various location along both shoulders of the Dulles Greenway west of Ox Road VA-606.

I have now learned that the work being done west of the Ox Road VA-606 Dulles Greenway interchange is a VDOT project that will rebuild and upgrade the road to 4 land divided from west of the Dulles Greenway to west of the Loudoun Countey Parkway. At Horsepin Run a bridge is being built next the to the exiting road a higher elevation to eliminate the pipe culvert that drains Horsepin Lake into Broad Run.

###

Pictures at picasaweb.google.com/cambronj DCMP 03 27 2016.
This and previous posts in this series can be seen at cambronj.blogspot.com.
I should have the Companion dash cam video(s) up by the end of the week.
John in the sand box of Maryland's eastern shore.

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Re: Silver Line Dulles WMATA Metrorail progress/pictures

Post by Sand Box John » Thu Mar 31, 2016 10:56 pm

John in the sand box of Maryland's eastern shore.

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Re: Silver Line Dulles WMATA Metrorail progress/pictures

Post by Sand Box John » Fri Apr 15, 2016 7:17 am

WMATA: Dulles Corridor Metrorail Project progress update e-mail 04 13 2016

Major Work at Dulles Airport and All Stations Intensifying

The pace of construction of Phase 2 of the Silver Line, which will eventually connect Loudoun County, Dulles Airport, Reston and Herndon with downtown D.C. and the rest of the existing Metrorail System, is headed into a bustling construction period, according to Charles Stark, the Metropolitan Washington Airports Authority's executive director of the Dulles Corridor Metrorail Project (a.k.a the Silver Line).

"This is the biggest year so far for construction all along the Phase 2 alignment from Reston west to Ashburn," said Stark.The coming construction season is critical, he said. "There is a lot of work to be done."

A specific date has not been set for opening and it will be determined by the Washington Metropolitan Area Transit Authority after the Airports Authority finishes the line and transfers it to the regional agency.

Capital Rail Constructors (CRC), a joint venture of Clark Construction and Kiewit Infrastructure South, is the design-build contractor for all civil work, station and support facilities construction, bridges and aerial guideway structures, and train track and systems portions of Phase 2.

In recent months, CRC crews have made progress on the construction of the aerial guideway that will carry the Silver Line above Dulles Airport. Rail project officials have collaborated with airport executives and operations staff, airport users, employees and tenants such as cargo carriers and rental car agencies, to ensure construction does not interrupt critical traffic movements day or night.

The installation of 72" and 84" girders for the superstructure portion of the aerial guideway has progressed through the heavily treed areas of the northeast end of Dulles Airport toward the Dulles Greenway. Deck work to prepare the guideway for future track installation is taking place.

Two large straddle bents - each requiring between 380 and 489 cubic yards of concrete - have been constructed over particularly wide areas where piers cannot be used to support the spans. These aerial guideway elements are comprised of two vertical columns connected by a cap, also known as a "bent," and will support the girders and deck over the road crossings as trains enter and leave the airport. A total of four large straddle bents will be needed at Dulles, and an additional four will be built over the eastbound Dulles Greenway at night.

Image
Concrete is placed on the deck of the Silver Line's aerial guideway at Dulles International Airport to prepare the deck for track installation.
Photo by Capital Rail Constructors.

Image
Span 105 of the aerial guideway in the yard leads at the north end of Dulles International Airport marks the juncture where the Silver Line splits with the main line heading out to the median of the Dulles Greenway, and the secondary line heading to the rail yard.
Photo by Capital Rail Constructors.

All six stations-Reston Town Center, Herndon, Innovation Center, Dulles Airport, Loudoun Gateway and Ashburn-are currently in some stage of construction. In fact, Metrorail's distinctive exterior facade is already being installed at the Innovation Center Station. "You can easily tell that it is a station," project officials report.

This station, near the Center for Innovative Technology and Route 28, is a buzz of construction. Not only are station and access points coming along, Fairfax County is beginning work on the parking garage, and a private contractor is building a mixed-use complex nearby.

Here's what's happening at some of the other stations:
  • Reston Town Center: Pile driving and other preliminary station work will continue through April. This spring, the first tower crane at the Reston site will go up in the median of the Dulles International Airport Access Highway (DIAAH), to be followed shortly by a second tower crane at that location, and will bring the total number of tower cranes concurrently in use on the project to five.
  • Herndon: A tower crane has been in place for months to facilitate station construction. Preliminary road changes and bus re-routings at the Herndon-Monroe Park & Ride facility have taken place as utility and other prep work speeds up, especially along Sunrise Valley Drive. Work on a traction power substation near Herndon Station is starting. This is one of several sites where the hardness of below-ground rock is forcing crews to do hand-mining rather than use drills to break through.
Image
Low profile caps will support the girders and deck of the Silver Line where it will cross Autopilot Drive at Dulles International Airport.
Photo by Capital Rail Constructors.

Image
The Dulles Airport Station site is a hive of activity as DCMP crews backfill the elevator machine room perimeter walls perform waterproofing and install steel rebar in preparation for the mezzanine mat pour.
Photo by Capital Rail Constructors.

Bus ramps, turn lanes work coming in Tysons

As a part of close-out of Phase 1, Dulles Rail project contractors will soon be making some repairs for the bus ramps and turn lanes at the McLean and Spring Hill Metrorail Stations. Dates and times will be released in advance of the work.

Working together near future Herndon Station

Rail project and Fairfax County officials are working together to coordinate duct bank and other work near the future Herndon Rail Station. The rail team (Capital Rail Constructors) is building the rail line and station and the county is building the parking garage. Coordinating schedules is maximizing efficiencies as both teams work almost side by side.

###

A couple of the pictures are kind of old.
When I was out there on 03 27 2016 the girders had been set well past of the of the east yard lead junction:
Image

The forms were in place over the elevator machine room:
Image

Link to PDF version at Dulles Corridor Metrorail Project web site.
John in the sand box of Maryland's eastern shore.

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Re: Silver Line Dulles WMATA Metrorail progress/pictures

Post by JDC » Fri Apr 15, 2016 1:45 pm

I was out at the airport this month, and work is indeed progressing. I was especially surprised by Innovation Station's progress. I was reminded, however, how annoying it is to drive to/from airport via DAAR, which is uncomfortably narrow in places and very, very rough. Still, progress!
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Re: Silver Line Dulles WMATA Metrorail progress/pictures

Post by Sand Box John » Fri Apr 29, 2016 10:40 pm

This was at the Dulles Corridor Metrorail Project web site:

04 26 2016:

Loudoun Gateway Station Excavation Begins Tuesday, April 26

Construction Activities on the Dulles Greenway Continue to Build

Starting today, Tuesday, April 26, and continuing through the summer months, Dulles Corridor Metrorail Project crews began site clearing and excavation work for the Silver Line's future Loudoun Gateway Station in the median of the Dulles Greenway. The station will be located west of the Old Ox Road overpass.

The work at the Loudoun Gateway Station requires large, slow-moving vehicles and equipment to exit and enter the highway in the eastbound and westbound lanes at various times.

Please Drive Carefully!

Silver Line construction activity on the Dulles Greenway will continue to build. Following this site work, construction of the Loudoun Gateway Station will begin. Motorists will see an increase in the number of construction vehicles that will be sharing the road and lane and shoulder closures will occur at various locations and times. For your safety and the safety of construction workers, drivers are encouraged to slow down and drive carefully, giving full attention to the road and the possibility of changing conditions.

http://www.dullesmetro.com/silverline/a ... ic%201.jpg" onclick="window.open(this.href);return false;
The existing Wiehle-Reston East Station is the design prototype for each of the Silver Line Phase 2 stations that will be built on the DIAAH and the Dulles Greenway.

http://www.dullesmetro.com/silverline/a ... ic%202.jpg" onclick="window.open(this.href);return false;
The future Loudoun Gateway Station, located just west of the Old Ox Road overpass, is being constructed in the median of the Dulles Greenway.
John in the sand box of Maryland's eastern shore.

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Re: Silver Line Dulles WMATA Metrorail progress/pictures

Post by JDC » Sun May 01, 2016 3:17 pm

Sand Box John wrote:This was at the Dulles Corridor Metrorail Project web site:

http://www.dullesmetro.com/silverline/a ... ic%201.jpg" onclick="window.open(this.href);return false;
The existing Wiehle-Reston East Station is the design prototype for each of the Silver Line Phase 2 stations that will be built on the DIAAH and the Dulles Greenway.

http://www.dullesmetro.com/silverline/a ... ic%202.jpg" onclick="window.open(this.href);return false;
The future Loudoun Gateway Station, located just west of the Old Ox Road overpass, is being constructed in the median of the Dulles Greenway.
Nice shot of Wiehle. That Loudoun Gateway Station really is in the middle of nowhere from that shot. Highways and green fields.
Living in Springfield, VA; Working at Half & L, DC.

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Re: Silver Line Dulles WMATA Metrorail progress/pictures

Post by Sand Box John » Tue May 03, 2016 7:32 am

"JDC"
Nice shot of Wiehle. That Loudoun Gateway Station really is in the middle of nowhere from that shot. Highways and green fields.


AOL is a little more then a mile to the north. The station is within the originally procured land area for Dulles Airport.
John in the sand box of Maryland's eastern shore.

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