Harrison Engineering Inc.
Engineering for Public Works
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Home Harrison Engineering Inc. Corporate Office 399 Taylor Blvd., Suite 100 Marin Office 801 D Street San Rafael, CA 94901 (415) 524-4994
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Highway Projects
Route 4
(West) Gap Closure Project - Segment 1: $8.0 million highway improvement
project in the Hercules area. Work included modifications to the Interstate
80/Route 4 Interchange, 1.7 miles of widening and new construction on Route 4
to accommodate 2 new lanes for westbound traffic. Project included endangered
species impacts, wetland mitigation, utility and railroad coordination.
Significant staging and traffic handling plans were required to minimize
public inconvenience during construction and maintain a safe worksite.
Caltrans
Storm Damage Restoration (1997 and 1998): Emergency storm damage repairs for over
$23 million in highway restoration of damage that resulted from floods in
January 1997 and El Nino storms in 1998. The projects included major
retaining walls, bank shoring and protection in major rivers (Sacramento
River, N. Fork Yuba River, N. Fork Feather River, N. Fork Feather River),
bridge replacement and repairs, slide repairs, slope stabilization, culvert
replacements, and highway reconstruction. The work was on Routes 20, 49, 70,
89, 99, and 147, in
Routes
50/89/128 Rehabilitation: The project involved the design of roadway reconstruction
and drainage improvements. Route 128 in downtown Winters included
reconstruction of existing roadway cross slope and longitudinal grades to
provide positive drainage, construction of wheelchair ramps to current
standards, adjustment and relocation of existing utilities, reconstruction of
waterlines. Route 50 Rehabilitation included construction of median barrier
and modifications/repairs to existing drainage facilities. |
