4G, Addendum to the Engineering Services Agreement with Bolton & Menk

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�.� EN HILLS MEMORANDUM DATE: October 12, 2009 TO: Honorable Mayor and City Council Members Ron Moorse, City Administrator FROM: Greg Hoag, Public Works Director SUBJECT: Addendum to the engineering services agreement for the Old City Hall trail erosion correction project. Back�round At the July 13, 2009 City Council meeting an engineering services agreement was approved with Bolton and Menk Inc. for work related to a trail erosion issue. To date survey work and preliminary cost estimates have been completed for three different solutions to the erosion issue. At the September 20, 2009 City Council work session staff, Bolton and Menk Inc., and resident Mr. Ron Nelson discussed the three possible solutions with the Council. The consensus of the Council was to continue forward with the option of building a retaining wall to correct the erosion issue. Under the original scope of services agreement, Bolton and Menk Inc. viewed this as a trail re-design proj ect. With the Council's direction to move forward with the retaining wall option, Bolton and Menk is requesting an addendum to the original scope of services in the amount of $3,800. Their request is primarily based on adding the design of the retaining wall and additional meetings to the original scope of services. See attached memorandum from Marcus Thomas of Bolton and Menk Inc. for a more detailed explanation. Recommendation It is recommended that Council approve the addendum with Bolton and Menk Inc. for the amount of $3,800 which will bring the costs for Engineering Services for this project to $8,700. Council Action Requested . Motion to approve an addendum with Bolton and Menk Inc. in the amount of $3,800 for Engineering Services related to the Old City Hall trail erosion proj ect.