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May 26, 2015 Presentation to Council and School Board
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May 26, 2015 Presentation to Council and School Board Page 1 of 24 - - PowerPoint PPT Presentation
May 26, 2015 Presentation to Council and School Board Page 1 of 24 - - PowerPoint PPT Presentation
May 26, 2015 Presentation to Council and School Board Page 1 of 24 Page 2 of 24 Page 3 of 24 Page 4 of 24 Page 5 of 24 Two homes and a mesquite thicket were razed. Page 6 of 24 The gym was constructed. Page 7 of 24 Page 8 of 24 Page 9 of
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Two homes and a mesquite thicket were razed.
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The gym was constructed.
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This item was first before you at a combined Council/Board meeting on January 29, 2013
Council/Board entered into an IGA in November of 2014. Term of the IGA was to contract with W.C Scoutten (Town’s Engineer) to address the below items:
Town:
- Access to Kerkes Trailhead
- Mitigate drainage issues in the area – originates @ Yavapai/Washington
- Creativity in seeing if two projects can overlap saving our residents $
School District:
- Mitigate drainage affecting the school site/parking lot
- Creativity in seeing if two projects can overlap saving our residents $
W.C. Scoutten, Inc. (now EPS Group)
- Study existing drainage conditions
- Investigate alternatives to address drainage issues
- Prepare report with recommended alternative
- Prepare cost estimate
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No LEFT TURN
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Based on 100-yr, 6-hour rainfall
52 cfs 107 cfs 173 cfs 192 cfs 213 cfs
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52 cfs enters school site from southwest 107 cfs enters from Valentine and Coconino
Streets
Combines as 173 cfs along north side of
school
Additional flow from Kerkes Street combines
for a total of 192 cfs
Discharges to River at 213 cfs Very little slope from Kerkes Street to River
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Resolves flooding at Kerkes Trailhead area Protects school site from flooding* Provides additional access to Kerkes Trailhead Combines access road with drainage channel Low-water crossing of Kerkes Street New access and traffic circulation for school
parking lot
Relocate school bus entry to staging area Additional one-way exit from parking lot to bus
staging and Kerkes Street
* Up to 100-year, 6-hour rainfall
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Proposed Storm Drain Pipes
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Low-Water Crossing
Channel
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[Insert cross-section diagram here]
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Preliminary Project Cost Estimate = $1.9 million
(not including property acquisition and permitting)
Sanitary sewer relocation Possible waterline and electrical relocation Channel must be closed during wet weather with
appropriate signage
Design channel for major stormwater flows and
heavy vehicles
Property ownership/acquisition Floodplain Use/Corps 404 permitting
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Partnership Considerations
- Decision should be made soon to enable both parties to
move forward on respective key projects (Kerkes Trailhead and Hassayampa parking lot)
- Funding options
WUSD has adopted adjacent ways tax to fund this and other projects. Short-term financing (loan or bond) could be considered. Possible grants (one in progress).
- Value engineering and phasing options
- Final design process
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