vUBC 1994 Seismic Zone IV standard which exceeded Oregon
State Building Code
requirements for Seismic Zone III at Tillamook.
performance even under the worst of three Zone 4-scaled earthquake time histories demand of 0.25
vMinimum intrusion into
vUse of dampers prevented the closure of fifteen patient rooms as required by conventional shear wall addition seismic
upgrade. Upgrade cost was
$5.60/sq.ft. In 1998 Tillamook County
received the Western States Seismic Policy
Council's "Award of Excellence: New Technology" for this innovative seismic upgrade.