From The Oregon Daily EmeraldOct. 1, 1993
| Explanation I was on the phone with a friend during two earthquakes that hit Oregon on Sept. 22, 1993. She happened to live on an upper floor of the University Inn, the tallest building on the University of Oregon campus, which vibrated but suffered no damage during the quakes. I was in a ground-floor apartment and didn't feel a thing.
Earthquakes jolt safety officials into action
By the morning of Sept. 22 most University students had
heard about the two earthquakes that rocked the Klamath Falls area, and
many were disappointed they didn't notice the ground shaking in Eugene.
But newly moved-in residents at the University Inn dormitory crowded
into the ground-floor lobby, frightened after the two sister shocks that
measured a magnitude of 5.9 and 6 on the Richter Scale and an aftershock
rattled the upper floors of the building. University Inn Resident
Director Cessa Heard-Johnson said there was no damage to the building,
and that she took steps the following morning to reassure residents that
the building was only vibrating with the earth movement as it was
designed to do. "I told them it was like shaking a rule at one end.
All the vibrations are at the other end," she said.
Several University officials agreed that the quakes underscored a need
to upgrade campus buildings to withstand a potentially devastating quake
that geologists are now saying is possible in the region. Nancy
Wright, University Housing facilities director, said that since early
1992 all new construction projects on campus have been required to meet
tougher new structural standards, but that building improvements are
needed to bring older buildings up to meet those new codes. Wright said
that this has become a problem statewide following recent discoveries
that Oregon is in a zone where severe earthquakes strike every 500 years
or so. Wright said that University Housing has requested money to
study ways to make dormitory buildings more earthquake-resistant, and
that those improvements will be completed alongside changes required by
the Americans With Disabilities Act. "The redundant inner structure
of the dorms makes them pretty safe on the inside," Wright said. "What
we're worried about is breaking glass and falling bricks and concrete."
Wright said the Bean Complex dormitories would probably be the first
in line to receive the improvements and that other dorm complexes will
follow on a yearly basis. She said that University Housing is ahead of
the rest of the University and the state in general when it comes to
addressing earthquake needs. "The problem is that you don't design
buildings to withstand something that occurs every 500 years," she said.
"You plan for earthquakes if they tend to happen in the area every 100
years or so. In our case, we have to plan to spend our dollars wisely
and efficiently."
University Physical Plant Director George Hecht said that although there
is a growing recognition statewide of the need to improve buildings, the
University is in a fairly safe area. "We're about as prepared as we
could be," he said. "As you walk around campus, there's no building that
you could point to that you could say is unsafe." Hecht said the
newest campus buildings, such as the science buildings Willamette,
Deschutes, Streisinger and Cascade, are built to resist earthquakes.
Several campus buildings, including older buildings like Deady and
Villard, are built over large areas of underground bedrock, he said.
"I'd be very surprised to see a tremendous amount of damage," he said.
Fred Tepfer, an architect with the University Planning Office, has
advised the University on construction projects. He agreed with Hecht
that the rock beneath the campus is helpful, but said it's not as
helpful as sound construction. At least half of all earthquake danger
comes from falling debris, both inside and out, and that in the case of
many older buildings, the University is not ready for a serious quake.
Tepfer used Chapman and Condon halls as examples of the difference
between structural and non-structural damage.
"Chapman is mainly a concrete shell surrounded by bricks," he said.
"Most of the danger there is from bricks falling on your head. "In
the case of Condon, you've got un-reinforced bricks. With buildings like
that it's really difficult to predict what might happen," he said.
Tepfer said that in the case of older buildings made of un-reinforced
bricks, the possibility of a total building collapse should be
considered, but that doesn't necessarily mean the building will crumble
in the event of a large quake. "There are so many details to
consider in an earthquake," he said. "You've got then length, location
and intensity of the quake to consider. With some of these older
buildings, the engineers are just scratching their heads." Tepfer
applauded the housing department for taking steps to address the
problem. "They're way ahead of the rest of the University and
probably most of the other state agencies," he said. "They're doing a
tremendous job."
University Housing has an important edge over the rest of the
University. As a self-supporting department, housing has more money for
renovations and capital improvement. But in the wake of tight
budgets caused by 1990's Ballot Measure 5, the money to improve
buildings campus-wide is in short supply, if available at all.
Associate Vice Chancellor George Pernsteiner visited the campus of the
Oregon Institute of Technology in Klamath Falls Wednesday, and said that
campuses statewide are looking there for lessons on how to prepare for
earthquakes in the future. At the OIT campus, housing staff members
evacuated the dormitories after both large quakes and one of the
aftershocks. The campus suffered some extensive damage to several of its
buildings, particularly the library and student union. "They're
really lucky that no one was in either one of those buildings when the
quake happened," Pernsteiner said. Pernsteiner said a recent study
of buildings at Oregon State University showed that to bring existing
buildings up to current building codes is an expensive undertaking and
unlikely because of the current shortage of money. Construction costs
alone on any one building can easily reach into the millions, he said.
Physical plant directors from campuses around the state will meet on
Oct. 8 to discuss cheap ways of minimizing earthquake damage.
"We have a number of safety concerns, but we just don't have a pot of
money to deal with them all right now," Pernsteiner said. "So we're
trying to determine what we can do operationally to minimize the damage
without major reconstruction projects. Right now we have to ask how many
class sections do we cancel to take care of these problems." One
example of this kind of preparation might be to widen bookshelves in the
library and link them all together across the top, he said.
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