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1b TH 212 Work Hours CITY OF CHANHASSEN 7700 Market Boulevard PO Box 147 Chanhassen, MN 55317 Administration Phone: 952.227.1100 Fax: 952.227.1110 Building Inspections Phone: 952.227.1180 Fax: 952.227.1190 Engineering Phone: 952.227.1160 Fax: 952.227.1170 Finance Phone: 952.227.1140 Fax: 952.227.1110 Park & Recreation Phone: 952.227.1120 Fax: 952.227.1110 Recreation Center 2310 Coulter Boulevard Phone: 952.227.1400 Fax: 952.227.1404 Planning & Natural Resources Phone: 952.227.1130 Fax: 952.227.1110 Public Works 1591 Park Road Phone: 952.227.1300 Fax: 952.227.1310 Senior Center Phone: 952.227.1125 Fax: 952.227.1110 Web Site www.ci.chanhassen.mn.us :1-6 MEMORANDUM TO: Todd Gerhardt, City Manager FROM: '-'? CJ. Paul Oehme, City Engineer/Dir. of Public Works ,. 'Olt/ --(& December 12, 2005 DATE: SUBJ: TH 212: Approve Extending Work Hours, Project No. 03-09 REQUESTED ACTION Approve extending work hours for the TH 212 contractor. BACKGROUND The contractor for the TH 212 project (ZRC) is requesting the City Council extend the working hours of the TH 212 project to allow a for a second shift for removal of muck within the city limits at the new TH 101ITH 212interchange. It is estimated that 480,000 cubic yards of muck material is located at this intersection and is as deep as 60'. The muckwilLberemoved andreplacedwithgranularbackfill., The muck will be truckedtoShakopee and land filled. Winteristhebesttime forremoval of muck because the material is easier to handle. in cold weatherconditions.The estimated quantitypfmaterial cannot be removed during,the winter months under the current contract working hours. City staff has reviewed this request and supports the request for a second work shift for the removal of the muck at this time. It is anticipated that evening working hours will be limited because of snow or precipitation. The State of Minnesota limits truck hauling during snow events. Staff has discussed this issue with MnDOT and ZRC and have requested ZRC notify the surrounding residents of the work hour change and hold a public informational meeting. Most of the muck is located in a field well away from any residential unit. The night working limits will be limited to 300' away from any residential unit and should cause minimal disruption. The change in the working hours is anticipated to help reduce the truck traffic during morning and evening rush hour because shift changes are scheduled around these times. Also, adding another shift will shorten the time for construction and minimized the length of the construction work for the residents. Staff will monitoftl1eworkand mayrecommendchangesto the workinghoursjf problems with the current proposal arise. The City will still have the right to discontinue the second shift operations if continuing problems arise. Attachments c: Jon Chiglo, MnDOT Tim O'Dell, Zumbro River Contractors The City of Chanhassen . A growing community with clean lakes, quality schools, a charming downtown, thriving businesses, winding trails, and beautiful parks. A great place to live, work, and play. G:\ENG\TH 312\Coullcil item\bkgd 12 1205 exl of work hours.doc 12-06-05:02:40PM: ;ZRC # 2/ 3 ~ Zumbro' ~ "M't.ClIUl'tld:1'OOl 312 Lake Hazeltine Drive Chaska, MN 55318 (952-368-5600) November 30th, 2005 Paul Oehme, P .E. Director of Public Works ICity Engineer City of Chanhassen 7700 Market Boulevard P.O. Box 147 Chnnhassen. MN 55317 Subject: Request for Working Hours Variance TH 101 Muck I Unsuitable Material Removal TH 212 Design Build Project S.P.1017-12 Letter No. :ZR-CHNOO~ Mr. Oehme: Based on our Maintenance of Traffic Task Force Meeting November 23, 2005. Zumbro River Constructors, liC (ZRC), is requesting a variance to the current Contract working hours which IS Monday through Saturday from 7:00 a.m. to 7:00 p.m. for operations relating to excavation of the future TH 101 Interchange in the City of Chanhassen. ZRC is requesting to add a second shift during the nighttime to remove wetJ unsuitable materials that currently surround the area of the Interchange. Due to the characteristics of this material being removed it is advantageous that this material is removed during the cold months of the year. The estimated quantity of material can not be removed during the cold months of the year under the current Contractual working hours. It is ZRC's intentions to utilize a second shift which will increase the likelihood that this material will be completely removed during the winter months and in addition a shorter overall time frame. The area is along the east side of existing TH 101 to approximately 3000 feet to the east and from Lyman Blvd to a point approximately 500 feet south of 86th Street. ZRC understands the sensitivity of the areas surrounding the work site. As such, ZRC is committed to mitigating the potential impacts to the areas surrounding the work site. mitigating traffic impacts associated with traveled ways to and from the work site, and infonning the affected residents and the community at large in the City of Chanhassen. ZRC is requesting a variance to the allowable Contract w'orking hours to allow a second shift for the removal of unsuitable material at TH 101. This operation. if allowed, would start approximately December 21 S\ 2005 and be completed by April 21 sl 2005. The proposed second shift would set on a schedule starting on Monday night at 7:00 pm through 6:00 am nightly through and including Friday night into Saturday moming. The 12-06-05:02:40PM; ;ZRC # 3/ 3 day shift would also start on Monday at 7:00 am and run until 4:30 pm Saturday afternoon. No overnight operations will be planned on Saturday and Sunday nights. ZRC has weighed many factors prior to requesting this vanonce. As a result of our analysis it is our opinion that a second shift starting in mid December running through April will afford the least amount of impact to surrounding residents, by the mere fact that during this period most of the residents time is spent indoors the with the windows closed, as is not the case during the other periods of the year thus minimizing potential noise complaints. The timing of the second shift allows a break on the weekends to preserve quality of life issues. The breaks between the day shift and night shift will minimize the impacts to the traveling public during peak. flows on collector and arterial streets. Lastly. the second shift allows the duration of the impact to be shortened, and insures that a second season of this activity will not be endured. Upon approval of this request, ZRC commits that a press release will be immediately distributed and their will be weekly progress updates. ZRC will also send out a mass mailer informing the adjacent residents of planned activities including a hot line number to address individual concerns. ZRC will schedule prior to commencement and at least once during the operation a neighborhood meeting to inform and again address any individual concerns. For the purpose of this variance daytime operations will include both import and export activities, whereas night time operations will be limited to solely to export activities. In addition. work zones within 300 feet of reliidences will be limited to daytime operations only. ZRC will list this operation as an agenda item to be reviewed each week in the Maintenance of Traffic Task Force meeting, with an evaluation of the previous weeks activities. and will continually strive to mitigate impacts to surrounding neighborhoods and the resident of the City of Chanhassen. ZRC does not take lightly this request, or the responsibilities that it bestows. Zumbro River Constructors is committed to being a good neighbor and creating the least amount of inconvenience to the areas surrounding the TH212 corridor. Your consideration of this request is greatly appreciated. Sincerely, CC: Jon Chiglo, Minnesota Department of Transportation Scott Risley, Zumbro River Constructors