WS 2015 07 27
CHANHASSEN CITY COUNCIL
WORK SESSION
JULY 27, 2015
Mayor Laufenburger called the work session to order at 5:30 p.m.
COUNCIL MEMBERS PRESENT:
Mayor Laufenburger, Councilman McDonald,
Councilwoman Tjornhom, Councilwoman Ryan, and Councilman Campion
STAFF PRESENT:
Todd Gerhardt, Chelsea Petersen, Paul Oehme, Kate Aanenson, Kevin
Crooks, Greg Sticha, and Chief Don Johnson
PUBLIC PRESENT:
None.
REVIEW FEASIBILITY STUDY, WEST WATER TREATMENT PLANT.
Paul Oehme provided background information, reviewed the scope of the feasibility study,
discuss findings, and reviewed the water distribution maps of the city. Kevin Crooks discussed
the system wide modeled water quality map. Mayor Laufenburger asked staff to clarify what
happens when residents call about bad smelling or colored water. Mr. Crooks noted that the City
has never failed a clean water test. Myles Jensen with SEH discussed the objectives of the pilot
study for removal of iron and manganese, and reviewed the chart showing raw water quality for
Wells 3, 7, 8 and 9. Paul Oehme reviewed the recommended design for the west water treatment
plant based on the results of the pilot study. Mayor Laufenburger asked for clarification on
using an aeration system. Paul Oehme discussed the option of using one large water treatment
plant versus several satellite plants with the recommendation to do one large plant which is
consistent with the Comprehensive Plan. Myles Jensen reviewed the preliminary building and
site layout for the west water treatment plant. Councilwoman Ryan asked how the site was
chosen for the West Water treatment plant. Councilman Campion asked if this plant could
handle the whole city. Paul Oehme explained that during low times in the winter the east plant
could be closed and the west could service the entire city. He then reviewed preliminary cost
estimates. Mayor Laufenburger asked about the next step. Paul Oehme stated the project is
slated for 2023 in the capital improvement program and explained how the project could be
funded. Greg Sticha explained the project will be bonded and that information will be
incorporated into the utility rate study which will be reviewed by council in October.
REVIEW FIRE DEPARTMENT RESPONSE TIMES AND DETERMINE
ACCEPTABLE RESPONSE TIMES BASED ON CURRENT DUTY CREW PROGRAM.
Todd Gerhardt asked Chief Don Johnson to review the baseline data that has been collected from
August 1, 2014 to June 30, 2015 and explain where the information comes from for response
time standards, and calls by district. Todd Gerhardt asked about the difference between urban
and suburban response times. Chief Johnson reviewed travel times, duty crew update, proposed
City Council Work Session – July 27, 2015
enhancements and concerns in the future. Mayor Laufenburger asked the Fire Chief to keep the
City Council informed.
Mayor Laufenburger adjourned the work session at 6:55 p.m.
Submitted by Todd Gerhardt
City Manager
Prepared by Nann Opheim
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