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Survey/GIS |
Florence Retarding
Dam - Design of Emergency Spillway
Sky
Harbor International Airport, Phoenix, Arizona
Dibble provided survey
controls and topographic check for the as-built
drawings, developed cross-sections for hydraulic
analysis, conducted sediment storage evaluation,
and calculated reservoir volume loss due to
dam realignment. A model to evaluate the hydrology
of the 62.5 square mile watershed upstream
of the five-mile dam was facilitated by the
use of GIS. The GIS-based hydrologic model
was used to generate peak flows for 100-year
flood events involving 6-hour and 24-hour
duration storms, and for the probable maximum
flood (PMF) required for the design of the
emergency spillway.
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