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MOCCASIN WASH CULVERT REPLACEMENT
Presentation By:Tim Walsh from Mohave County Public Works
and Ricardo Aguirre from Coe & Van Loo Consultants Inc.
January 13, 2011
Coe & Van Loo Consultants, Inc.4550 North 12th Street
Phoenix, AZ 85014-4291
Phone: 602-264-6831
Fax: 602-264-0928
OVERVIEW
Location
Flood History
Existing Conditions
Basis of Design
Precast vs Cast In Place Culvert Timelines
Example Structures in the Phoenix Metro Area
Design Approach
Proposed Improvements
Construction Easements
LOCATION
FLOOD HISTORY
EXISTING CONDITIONS
BASIS OF DESIGN
Flows from Regression AnalysisQ100 = 3136 cfs
Q25 = 1779 cfs
Drainage Design Manual for Mohave County
PRECAST VS CAST IN PLACE TIMELINES
EXAMPLE STRUCTURES
DESIGN APPROACH SCENARIO 1
DESIGN APPROACH SCENARIO 2
PROTOTYPE DESIGN
UPSTREAM IMPROVEMENTS
DOWNSTREAM IMPROVEMENTS
PROPOSED STEPPED SPILLWAY AND CONTOURS
STILLING BASIN
PROPOSED TEMPORARY CONSTRUCTION EASEMENTS
QUESTIONS ? ? ?
THANK YOU
DESIGN SCHEDULE
COST ESTIMATES
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