Water Committee Agenda and Packet 2015 11 13

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City Council Water Committee Meeting Minutes Friday, July 10, 2015 Page 2of6 Staff attended a Windy Gap Participants' Committee Meeting on July 7t" A revised budget estimate was presented with a more formal estimate anticipated in the next couple of weeks. NCWCD is planning on soliciting for a design consultant later in the year with work expected to start in 2016. • Gross Reservoir Update Mr. Flack reiterated Denver Water's plans to expand the capacity of Gross Reservoir. As part of the environmental approval process, Denver Water was required to create an environmental pool, which is an amount of water that is stored in Gross and is released to South Boulder Creek to promote aquatic life. Denver Water has an existing agreement with Lafayette for the filling and use of this environmental pool. We have been engaged in discussions with Lafayette on a possible spilt of this space to expand the reliability of our water supply. Recent conversations have moved away from this concept of splitting space and now center around a trade of supplies. Staff will continue to evaluate the options available and provide an update as progress is made. As mentioned before, Gross Reservoir could become a realistic opportunity to increase Louisville's local basin water storage under the correct terms and conditions. VII. Update — CIP Projects (Cory Peterson /Kurt Kowar) • Wastewater Treatment Plant Upgrades i. Status: Under construction (contractor: MHW) ii. Contract Cost: $31.2 million. iii. Estimated completion: July 2017 Mr. Peterson mentioned that MHW has started the excavation portion of project which will consist of the majority of activity onsite for the next several weeks. Mr. Kowar discussed the recent incident of above average inflows to the plant theorized as a result of the high groundwater attributable to heavy precipitation over the last couple of months. Staff is assessing the situation to determine if this a short term issue that will be alleviated as groundwater levels return to normal or if further measures such as improvements to the collection system or modification to the plant rating are required. • Louisville /Lafayette Drainageway Improvements i. Status: final design, construction bid advertisement dependent on permitting. ii. Engineer's estimate: $9 million total cost before UDFCD & City of Lafayette contributions. Mr. Fleming spoke to a Right -of- Way(ROW) issue on Spruce that was included as part of the unsuccessful Lee Street Connection deal. The property owner is awaiting council action on the Highway 42 Plan prior to providing the ROW to the City. Mr.