DCMP 10 02 2016
Capital Rail Constructors has gotten A hell of a lot done this summer.
Right of way barriers are at various stages of completion between all the station along the Dulles Access Road.
Traction power substations are mostly at the ground work stage. The one that is the furthest along is #15 in the loop ramp from southbound Sully Road VA-28 to the eastbound Dulles Toll Road VA-267. The substation west of Loudoun Gateway are at the site clearing stage.
Reston Town Center has most of its mezzanine support columns in place and foundation wall for the ancillary areas. The site clearing for the north entrance I mentioned in a previous post was actually the clearing of the site for the Reston Town Center traction power substation.
Fairfax County and VDoT are paying for a change order. They have requested Capital Rail Constructors build a bridge for a future underpass west of the Reston Town Center that will connect Town Center Parkway to Sunrise Valley Drive.
Herndon now has its west ancillary area structure completed Platform and mezzanine have yet to be placed.
Innovation Center is structurally complete. The frame for the mezzanine canopy is in place. The south entrance pavilion has begun to come up out of the ground.Sub grade for track work is complete from just west of Innovation Center to the east abutment in the median of the Dulles Access Road west of Rudder Road.
Rail has been and is being delivered at two locations. Location one: east of the east abutment in the median of the Dulles Access Road west of Rudder Road and Location two: In the lot on the southwest corner of Autopolit Drive and Rudder Road. The mill mark on rail at Autopolit Drive and Rudder Road was rolled in November of 2015. Direct fixation track fasteners have also been delivered. They are staged at various location under the elevated from south of Rudder Road to north of Windshear Road. I expect to see track work to commence sometime before the end of 2016.
All of the columns from the east abutment in the median of the Dulles Access Road to the south Shoulder of the Dulles Greenway VA-267 are done with the exception of one. That last column that remains to be completed is the in eastbound column on the south side of Aviation Drive at the top of the eastbound ramp from Saarinen Circle. The 4 Straddle bents over the Dulles Access Road are done. The elegant design of the column caps transition to the more utilitarian design north of Aviation Drive.
At Airport station the trestle bents to support the platform girders have been cast only two remain to done. The west ancillary area is in the process of being closed in with the substation area totally closed in. The pedestrian tunnel has been daylighted. The tunnel was very carefully cut where the back face of the walls in the station mezzanine will connect to the pedestrian tunnel. A temporary box has been constructed to carry the cables in the ceiling of the tunnel that were not need to be relocated. The only thing that remains to be done is the demolition and removal of the existing floor slab.
Girders have been set from Package Court to the south Shoulder of the Dulles Greenway. The girders for leads have been set from the mainline yard lead 3 and from the south Shoulder of the Dulles Greenway yard leads 1 and 2 to the abutment west of Horsepen Lake. The deck slabs have been poured on all of girders with the exception of the last 4 spans north of Package Court. The deck parapets have been installed from just north of Rudder Road to the south Shoulder of the Dulles Greenway and 4th span of of yard lead 3.
The abutment wall for the mainline in the median of the Dulles Greenway is near completion. Columns between the abutment and the straddle bent columns are at various stages of completion. The straddle bents for the mainline have not been done as the forms were recently removed from the east straddle bent for yard leads 1 and 2. The straddle bents for yard leads 1 and 2 are done. The abutment wall for the yard leads is presently being completed, the columns between the abutment and the straddle bents are at various stages of completion.
Seems the the configuration of the junction between leads 1 and 2 and the mainline has been changed from what was shown in the preliminary engineering. The preliminary engineering configuration had yard lead 2 flying over both mainline tracks and connecting to track N2 on the right side. Configuration being built has both leads flying over only mainline track N1 and connecting to the mainline track from between. Both configurations are different then what was in the Final Environmental Impact Statement.
The shop building in the yard have had their basement slabs and inspection pits poured. Clearing of the rock by blasting to bring the rest of site to the desired grade is continues. The stone being removed from the site looks like it could be for track ballast or subgrade material.
The girders have been set on the new westbound span for Old Ox Road VA-606 over Horsepen Run for the widening of VA-606 to extend to the future connection of the Loudoun County Parkway. The rock out cropping between the entrance and exit at the eastbound Dulles Greenway on the north side of VA-606 is also being done to accommodate the road widening.
Clearing of the rock out cropping at the station site at Loudoun Gateway is nearly complete. The entrance site is being used to crush and store the spoil.
The deck for the bridge over Horsepen Run has been poured.
Clearing for the station site and the entrances at Ashburn has begun. Trenching has begun for the utility tunnels that will be bored under the Dulles Greenway.Dulles Access Road
Old Ox Road Widening:
Pictures at plus.google.com 10 02 2016
Dash camera video at youtube.com, Wiehle Avenue, Reston - west to Saarinen Circle.