Agendas and Minutes

Ashland Water Advisory Ad-Hoc Committee (View All)

Ashland Water Advisory Ad-Hoc Committee Meeting

Minutes
Tuesday, June 27, 2017

ASHLAND WATER ADVISORY COMMITTEE

June 27th, 2017

 

CALL TO ORDER

Scott Fleury called the meeting to order at 4:05 PM

Committee Members Present: Darrell Boldt, Joe Graf, Rich Miller, Donna Rhee, Pat Acklin, Alex Amarotico, Kate Jackson,

Committee Members Absent: Don Morris, John Williams (chair), Michael Morris (council liaison),

Staff present: Emily Matlock, Scott Fleury, Steve Walker, Michael Morrison, Greg Hunter, Kevin Caldwell

Staff absent: Mike Faught, Julie Smitherman

Consultants: Jeff Ballard (RH2), and from Keller Associates: James Bledsoe (Project Manager), Bryan Black (Water Treatment Lead), and Pierre Kwan (HDR water treatment team)

 

ANNOUNCEMENTS

None

 

Public forum

None

 

New 2.5 MGD Water Treatment Plant/Crowson II Reservoir Project Update

Due to the loss of the Vice Chair, the committee elected Joe Graf as the new vice chair. Minutes from April 25th 2017 minutes were approved. Fleury introduced the Keller Associates team and what they would be discussing. James Bledsoe and Bryan Black went over the slideshow they prepared for the group (see attached). The different Water Treatment Plant and Reservoir Siting areas were discussed. The attached slideshow details the potential sites. There are five sites that are being evaluated, the Concrete High, Concrete Low, Granite High, Granite Low, and the Asphalt Pit.

 

Each site was evaluated and the pros and cons for each of them were listed out. The Concrete, High Plant has challenging topographical constraints, poorer access and expandability. This site does provide possible gravity flow. The option of the Concrete Site, Low Plant has better site access but higher developmental costs. There are also previous environmental concerns that were investigated and appear to be okay. This site is too low to accommodate gravity flow conditions.

 

At the Granite, High Plant, the plant would sit on top of a shaved down knoll which would make gravity flow possible. At this site, there is less expandability potential and higher developmental costs. It would also be recommended to replace the Ashland Creek Culvert to resist flood events.

 

At the Granite, Low Plant gravity flow is possible. This site is more accommodating for alternative treatment technologies, expansion, access, and support structures. A culvert replacement for Ashland Creek is also recommended to resist flood events and there are lower development costs.

 

The Asphalt Pit site has the best access, but the site is tight requiring significant retaining walls, and poor expansion capability. With this site the nearby Crowson II tank site is not available and gravity flow is not a viable option. The Asphalt Pit has the highest developmental and O&M costs as well.

 

The Granite, Low Plant and the Concrete, High Plant have the lowest life-cycle costs and offer smaller carbon footprint potential. The Granite, Low Plant offers better access, expandability and flexibility. 

 

Treatment goals, treatment train options and primary treatment processes were considered. All of these are discussed in the slideshow that is attached. The next steps are to move forward with pilot tests this summer and fall and to finish the treatment and site selection reports. This will be presented to council and then we’ll move on to equipment procurement, design, construction and finally start up.

 

Meeting adjourned at 5:42pm

Respectfully submitted,

Emily Matlock

Public Works Administrative Assistant

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