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Water
Resources |
Higley Road 16-Inch
Water Transmission Main and Baseline Road 10-Inch
Sanitary Sewer
Gilbert,
Arizona
Dibble provided comprehensive
engineering design and construction phase
services for approximately 7,500 linear feet
of new 16-inch water transmission main and
4,500 linear feet of 10-inch sanitary sewer
for the Town of Gilbert. The water pipeline,
installed between Inverness Avenue and Guadalupe
Road, completes an important link in the Town's
infrastructure system and provides additional
supply capacity to support development north
of Baseline Road. It also provides additional
fire protection capacity to the Banner Gateway
hospital complex, allowing for future expansion
of the medical campus. The new sanitary sewer,
located between Claiborne Avenue and Greenfield
Road, serves as a relief sewer, conveying
existing flow peaks and future flows from
the medical campus and relieving a potential
surcharge condition in the existing collection
system.
In addition to complete
design engineering, including survey/base
mapping, preparation of construction plans
and specifications, and opinions of probable
cost; Dibble addressed unique project design
and coordination features. The water transmission
main route was analyzed as part of the design
concept phase to determine optimum points
of connectivity with the existing and future
water distribution network; a numeric model
was developed to evaluate system performance
under planning conditions. The pipeline alignment
was selected to minimize impacts to recently
improved roadways and minimize traffic control
requirements and construction costs.
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