by Sand Box John
"JDC"
I think it all depends on whether the station's design and construction takes into account changed environmental regulations, which sunk the opening of both the Silver Line phase I and now phase II. Stricter stormwater management regs came on line during construction of the Silver Line, which caught them unaware and required construction changes. Since those regs are now on the books, I would imagine that the Potomac Yard station's design takes those into account and so that should not be a snafu.
I don't think the storm water mitigation will be that big of an issue. The existing tracks in the area of the infill station are in a cut. The station will be at the same grade or slightly higher to the east of the existing tracks. The storm water runoff retention facility will likely be built where the mainline tracks are today. The area for retention facility will have a larger footprint compared to the footprint of the station.
I think it all depends on whether the station's design and construction takes into account changed environmental regulations, which sunk the opening of both the Silver Line phase I and now phase II. Stricter stormwater management regs came on line during construction of the Silver Line, which caught them unaware and required construction changes. Since those regs are now on the books, I would imagine that the Potomac Yard station's design takes those into account and so that should not be a snafu.
I don't think the storm water mitigation will be that big of an issue. The existing tracks in the area of the infill station are in a cut. The station will be at the same grade or slightly higher to the east of the existing tracks. The storm water runoff retention facility will likely be built where the mainline tracks are today. The area for retention facility will have a larger footprint compared to the footprint of the station.
John in the sand box of Maryland's eastern shore.