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F. Contractors and Work Performed
On August 4, 1987, Norwest Nebraska hired Hawkins Construction
Co. (Hawkins), as general contractor, to perform the remodeling
work at the Douglas Street building. On November 30, 1987, Norwest
Nebraska hired Waste Environmental Technology (WET) to remove the
asbestos-containing materials from the building. Norwest Nebraska
also hired ATC Environmental, Inc., to perform on-site air
monitoring during all asbestos-abatement activities at the
building.
WET declared bankruptcy in 1988 and could not complete the
project. On December 5, 1988, Norwest Nebraska hired Michael T.
Robinson Associates, Inc. (Robinson), to replace WET and complete
removal of the asbestos-containing materials from the Douglas
Street building. At that time, Norwest Nebraska also replaced ATC
Environmental, Inc., with Chart Services, Ltd.
The asbestos removal and remodeling were basically performed
in 13 phases; each phase involved a defined area of the Douglas
Street building. For each phase, the asbestos-removal contractor
removed the asbestos-containing materials before the general
contractor began remodeling. After setting up a containment area,
the asbestos removal contractor physically removed the walls,
floors, ceilings, and light fixtures, where necessary, to reach and
remove the asbestos-containing materials. Once all the asbestos-
containing materials had been removed from an area, the air was
tested for airborne-fiber concentration before the containment
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