SR99 Bored Tunnel-Assessment of Settlement Impacts ... - SCATnow

3.8 Areawaysclassification noted on the forms utilized the rating system described in Table 2 ofSection 5.1. This classification was used for the qualitative analysis of the existingconditions of the buildings.The below grade footprint of a number of the buildings along the tunnel alignmentextends to approximately the gutter line of the street. The sidewalks at theselocations are designed as a structural element to span between below grade wall atthe gutter line to the exterior wall of the building. An areaway is the space beneaththese sidewalks between the building foundation and the wall at the street gutter line.In evaluating the condition of the buildings and the response of the buildings totunneling, the condition and behavior of the areaways adjacent to the buildings wasnot considered in the overall performance of the structures. However, the areawaycondition was observed during site visits to each of the buildings where access to theareaways was available. Observations are noted on each of the Building AssessmentForms for the areaways, where applicable.The Alaskan Way Viaduct & Seawall Replacement Program March 2010Proposed SR 99 Bored Tunnel - Assessment of Settlement Impacts to Buildings 14Public Disclosure Request 11-0123 for Elizabeth Campbell - 2nd installment