2016.09.13 CC Combined - Laserfiche WebLink

Home Browse Search

August 23, 2016 Page 4 of 7 AOP Technology. City Manager Lotter indicated since being authorized in June 2015, Barr has been engaged in evaluating and screening the broad range of potential technologies that may be applicable for treatment of 1,4-dioxane. That work has included literature reviews, collection and evaluation of information from technology vendors, evaluation of operating facilities, and bench scale testing. That screening process identified two specific technologies that warranted detailed treatability testing in a pilot scale setting at the City’s Water Treatment Plant number 1 (WTP1). He reported Greg Kiel with Barr Engineering had a presentation for the City Council. Greg Kiel, Barr Engineering, discussed the background and phases of the project noting there were multiple contract packages. He stated the purpose of the treatability testing was to provide the scientific and engineering data required to support Barr’s professional evaluation, analysis, and recommendation of the preferred technology for full scale implementation to treat 1,4-dioxane at WTP1. The testing provided information that is critical to the design of the full-scale modifications to WTP1. Mr. Kiel reported the pilot testing began in October 2015 and continued through June of 2016, during which time WTP1 was off-line. A report provided to the Council summarized the results and provided a recommendation for the preferred technology which is a Low Pressure UV/Peroxide AOP system. Further discussion ensued regarding the advanced oxidation processes that were being used to remove the 1,4-dioxane. The Bromate residual impacts were discussed and he recommended the Council pursue the Low Pressure UV/Peroxide AOP system. The Trojan organizational structure was reviewed with the Council. The estimated schedule to implement the new technology was as follows: Design: June 2016 through January 2017 (approximately 8 months) Procurement and Contracting: February 2017 through April 2017 (approximately 3 months) Equipment Fabrication and Construction: May 2017 through July 2018 (approximately 14 months, target substantial completion and availability of water early 2018 summer season)” Mr. Kiel requested the Council accept the Treatability Study Results and Advanced Oxidation Process Technology Recommendation Report; authorize Barr Engineering to Prepare the Solicitation Documents Required to Procure the Recommended Low-Pressure UV/Peroxide AOP Technology; and authorize City Staff to take any and all actions necessary to procure the Low-Pressure UV/Peroxide AOP Technology. The next steps for Barr Engineering were discussed with the Council noting a bid opening would take place after he received City approval. City Manager Lotter introduced Josh Peterson, Scott Boehler and Jesse Hartman to the City Council stating these gentlemen have been working diligently at the water treatment plant and were being trained on the new system. He explained the seamless transfer of water to the City of Minneapolis system was conducted by these three individuals. Mayor Johnson thanked these gentlemen for their great work on behalf of the New Brighton residents. The Council then offered up a round of applause. Councilmember Bauman appreciated their diligent work and was pleased these gentlemen were being further educated on the City’s water treatment system. City Manager Lotter introduced Rick Snyder to the City Council noting he has served on the DX team as a litigator.