Project timeline, cost<\/strong><\/p>\nThe current schedule is to begin construction by about 2024; Sound Transit expects the facility could be open for operation between 2029 and 2034, depending on the alternative selected to be built. Depending on the outcome of realignment (a potential delay due to a financial shortfall), this schedule could change, resulting in a delayed opening or the construction of the facility in phases to reach full operational capacity over time.<\/p>\n
It would take much longer to build the facility at Midway due to construction on a landfill. The estimate is between six to eight years. The facility could be built at either Federal Way site in about four years.<\/p>\n
The Midway alternative has a construction estimate of $2.2 to $2.8 billion for the platform construction option, $1.8 to $2.3 billion for the hybrid construction option, and $1.7 to $2.1 billion for the full excavation construction option. Cost estimates are about $1.2 billion for each of the Federal Way sites.<\/p>\n
Sound Transit developed the three subsurface construction design options for building a facility on the landfill: platform, hybrid and full excavation. Under the platform subsurface construction design option, the facility would be built on a 3.5-foot-thick concrete slab platform supported on approximately 700 concrete-filled drilled shafts.<\/p>\n
“There is potential increased construction cost risk for the Midway Landfill Alternative due to the low level of design completed at this phase and the uncertain nature of underground conditions at the landfill,” according to the draft report.<\/p>\n
The Midway alternative has an annual operating estimate of $11 million. The South 336th Street and South 344th Street alternatives both have an annual operating estimate of $10 million.<\/p>\n
The site would include the Operations and Maintenance Facility building, the Maintenance of Way building, the Link System-Wide Storage building, storage tracks, training track, parking and yard areas. There would be approximately 450 parking spaces, including spaces for employees, visitors, accessible parking, and non-revenue Sound Transit vehicles. The yard area encompasses approximately 8.5 acres.<\/p>\n
The Midway alternative has no residential displacements. The South 336th Street alternative has 14 residential displacements from the site and 47 to 59 from the additional track impacts. The South 344th Street alternative has 20 residential displacements from the site and 47 to 59 from the additional track impacts.<\/p>\n
The Midway alternative has four business displacements and the South 336th Street has two. The South 344th Street alternative would have 11 business displacements from the site and one from the additional track impacts.<\/p>\n
Forty-three employees would be displaced by the Midway site; 96 at South 336th Street and 138 at South 344th Street.<\/p>\n
One church (Christian Faith Center) would be displaced at South 336th Street and three churches would be impacted at South 344th Street. Midway doesn’t impact any churches.<\/p>\n
Another advantage of Midway, it has no wetland impacts, according to the report. South 336th Street would impact 3.5 acres of wetland and South 344th would impact 1.5 acres. Both Federal Way sites also would impact streams.<\/p>\n
About 4 aces of forest would be impacted by building the facility at Midway. That impact would be 15 acres at South 336th and 12 acres at South 344th streets.<\/p>\n","protected":false},"excerpt":{"rendered":"
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