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- Pre-Cast Concrete Transition Fittings
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- Pond & Detention Basin Outlet Works
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- Levees, Jetties, Erosion Protection, & Spillways
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- Rock and Concrete Drop Structures
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WEI has performed many hydrology and hydraulic studies and performed follow-up hydraulic structure designs. Facilities include large combination inlet and MH vault structures, inverted siphons up to 96 inches in diameter, precast concrete transitional fittings, sophisticated outlet works for ponds and detention basins, levees, jetties and other river embankment erosion protection, both rock and concrete drop structures for rivers and channels, state engineer regulated reservoir spillways, and energy dissipation devices of many types. Designs have also included culvert structures of all types with aprons, wing walls, and headwalls, with special inlet improvements and outlet erosion control and energy dissipation, and bridge design.
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West Lake Detention & Water Quality
Outlet Structure, Grand Junction, CO
Designed outlet facility for the City of
Grand Junction and Grand Junction
Drainage District to allow a fish pond
to use maximum capacity as either water
quality volume or detention basin,
depending upon the rate of inflow,
using sophisticated controls &
monitoring system, automated gate,
and backup power. Subsequent
regional drainage plan changes
resulted in completed design not
being used. The revised design was
for a much smaller amount of inflow,
resulting in a combined fish, water
quality, and detention pond. The
structure was designed for ADA
acceptability as a fishing dock, with
special attention also provided for
obscuring hydraulic function and
vandalism control.
Pack Creek, Moab, UT
Design of erosion control drop
structure to protect UDOT bridge.
Fruita Reservoir #3, Fruita, CO
Design of reservoir dam improvements
and new spillway on State Engineer
regulated dam, including energy
dissipater at outlet. Remote mountain
location necessitated use of
Prefabricated and pre-cast materials.
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Mill Creek Flood Control Parkway
Project (Phase 2, 4, & 5), Moab, UT
Metric design of concrete bike &
pedestrian paths along Mill Creek
Design included jetties, channel
improvements, erosion control, creek
crossings, and an arterial underpass
that doubled as a flood control
structure. Project also included a
sloping concrete approach and floor
at a crossing under UDOT bridges,
and permitting.
Mill Creek & 500 West drop
structure, Moab, UT
Design a rock drop structure
downstream of a Utah Department
of Transportation bridge.
Northgate & Ranchman, Grand
Jct., CO
Designed a box culvert for an
improved roadway crossing of the
Ranchman's Ditch/Horizon Channel.
Fruita Reservoir #2, Fruita, CO
Advised City on spillway improvements.
Purdy Mesa Reservoir, Grand Jct., CO
Hydrologic & hydraulic-analyses for
routing through 2 reservoirs & designed
spillway down steep slope. Required
state dam engineer approval.
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