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

Table of Contents1.0 EXECUTIVE SUMMARY ................................................................................................................ 12.0 PROGRAM DESCRIPTION & BACKGROUND ...................................................................... 52.1 Background ............................................................................................................................... 52.2 Tunnel Project Description .................................................................................................... 72.2.1 South Access Project Description ............................................................................ 72.2.2 Design Build Tunnel Project Description ............................................................... 72.2.3 North Access Project Description ........................................................................... 92.3 Description of Other Program Elements ............................................................................. 93.0 BUILDING ASSESSMENT ............................................................................................................ 113.1 Establish Database ................................................................................................................. 113.2 Obtain Records and Construction Documents ................................................................. 113.3 Site Visits ................................................................................................................................. 113.4 Building Assessment Forms ................................................................................................. 113.5 Analytical Assessment ........................................................................................................... 123.6 Qualitative Assessment ......................................................................................................... 123.7 Existing Conditions ............................................................................................................... 133.8 Areaways .................................................................................................................................. 144.0 SETTLEMENT AND GROUND MOVEMENT ..................................................................... 154.1 Empirical Settlement Analysis .............................................................................................. 155.0 BUILDING RESPONSE TO EXCAVATION-INDUCED GROUNDMOVEMENTS .................................................................................................................................. 195.1 Damage Prediction for Buildings ........................................................................................ 195.2 Building Response to Construction ..................................................................................... 216.0 RESULTS OF STRUCTURAL ANALYSES ................................................................................ 256.1 General .................................................................................................................................... 256.2 Building Function ................................................................................................................... 256.3 Unreinforced Masonry Buildings ......................................................................................... 266.4 Tilt of Tall Buildings .............................................................................................................. 26The Alaskan Way Viaduct & Seawall Replacement Program March 2010Proposed SR 99 Bored Tunnel - Assessment of Settlement Impacts to BuildingsiiPublic Disclosure Request 11-0123 for Elizabeth Campbell - 2nd installment