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Home My WebLink About15.C.2. Extension Agreement for Surveying and Engineering Services for Dominion Hills Area IS, C . :L~ CITY OF SHAKO PEE Memorandum TO: Mayor & City Council CONSE\i~~;! ,"'." . "~N ~J Mark McNeill, City Administrator ,< .,.... '.. '\\ ~ FROM: Jeff Weyandt, Assistant City Engineer SUBJECT: Authorize the Appropriate City Officials to Execute an Extension Agreement for Engineering Services Associated with the Design of Outlet Structures for the Dominion Hills Area DATE: August 17, 2004 INTRODUCTION: Attached is an extension agreement from WSB & Associates, Inc. to provide construction surveying and engineering services associated with the design of outlet structures for the Dominion Hills Development. BACKGROUND: The Dominion Hills storm sewer improvements have been identified in the City's Storm Water Management Plan and are included in the Capital Improvement Plan. These structures will control runoff rates from the bluff areas south of Valley View Road into the Pheasant Run drainage system. Staff is recommending that WSB & Associates be authorized to provide construction surveying and engineering services associated with the design of outlet structures for the Dominion Hills Development. AL TERNATIVES: 1. Authorize the appropriate City officials to execute an extension agreement with WSB & Associates, Inc. to provide construction surveying and engineering services associated with the design of outlet structures for the Dominion Hills Development. 2. Do not enter into an extension agreement with WSB & Associates, Inc. 3. Table for additional information. RECOMMENDATION: Staff recommends Alternative No.1. ACTION REQUESTED: Offer a motion authorizing the appropriate City officials to execute an extension agreement with WSB & Associates, Inc. to provide construction surveying and engineering services associated with the design of outlet structures for the Dominion Hills Development. ~.~~ Jeff Weyandt Assistant City Engineer JW/pmp BNGRlEMPLOYEBFOLDERlPPBNNlNGTON/COUNClUDOMlNIUMIllLLS .f A' ~,.WSB rn! iJ1 & Associates, /11(:, July 27,2004 Mr. Bruce Loney, P.E. Public Works Director/City Engineer City of Shakopee 129 Holmes Street South Shakopee, MN 55379-1376 Re: Extension Agreement to Provide Construction Surveying and Engineering Services Associated with the Design of Outlet Structures for the Dominium Hills Development WSB Project No. 1281-30 Dear Mr. Loney: According to our Agreement for Professional Services with the City of Shakopee and Section I-C-2 (Major Projects), this extension agreement is written to provide for construction surveying and engineering services for the above-referenced project. Weare pleased to submit to you this proposal to provide professional services associated with providing outlet recommendations for the ponding areas located within the Dominium Hills Development. The proposed project area is shown on the attached figure, along with the ponding areas proposed to be included into this proposal. The tasks anticipated to be completed and the project schedule is proposed as follows: I. Collect Background Information We anticipate utilizing the newly developed 2-foot topographic mapping from Scott County to determine: the available storm water storage within each ofthe basins located within the Dominium Hills Development. In addition, WSB & Associates, Inc. will use GPS survey equipment to establish the adjacent low-building elevations of adjacent structures and the existing overflow elevations and potential future overflow elevations for each of the ponding areas. This survey work will also include the establishment of benchmarks. within the project area to facilitate future construction of the proposed outlet improvements. We anticipate mailing a letter to each of the property owners within the Dominium Hills Development notifying them of the presence of the survey crews and the activities anticipated to be undertaken within the development over the next several months. Anticipated cost to complete this task: $4,480 II. Prepare Outlet Recommendations WSB & Associates, Inc. proposes to prepare recommendations for each pond outlet based 4150 Olson on the existing available storage, the adjacent low building elevations, and the possible Memorial Highway run-out elevations from each pond. Furthermore, WSB & Associates, Inc. will modify the existing hydrologic model for the area to include the proposed improvements to the outlets Suite 300 from the ponding areas within the Dominium Hills Development area. As part of this task, Minneapolis we anticipate holding on~ neighborhood meeting and one presentation to the City Council Minnesota in regard to the improvements to the Dominium Hills ponding areas. This task will include details for each of the proposed outlets and their locations. 55422 Anticipated cost to complete this task: $4,260 763,541-4800 763,541-1700 FAX Minneapolis. St. Cloud. Equal Opportunity Emplt'r.jWPWIN\1281-30\072704 blltr.doc Mr. Bruce Loney, P,E. Public Works Director/City Engineer City of Shakopee July 27,2004 Page 2 of2 III. Prepare Final Plans and Specifications WSB & Associates, Inc. proposes to prepare construction plans, specifications, and bid documents for the recommended outlet structures. In addition, this task also includes providing construction plans for the construction of debris catchers proposed to be placed upstream of the existing culvert crossings at Valley View Road. These.structures will catch large items of debris prior to the culvert inlets. They will help to reduce the potential for these culverts to be plugged during large rainfall events. Anticipated cost to complete this task: $3,450 IV. Construction Services WSB & Associates, Inc. proposes to provide construction survey and on-site inspection as necessary to complete the installation of the proposed recommended outlets into each of the ponding areas within the Dominium Hills Development. Anticipated cost to complete this task: $4,810 We anticipate the total cost of this project to not exceed $17,000. The City of Shakopee agrees to reimburse WSB & Associates, Inc. for these services in . accordance with Section IV ofthe Agreement for Professional Services. If this agreement meets with your approval, please sign below and return one copy to our office. Sincerely, WSB & Associates, Inc. /,..v~ Todd E. Hubmer, P.E. Associate City Administrator Attachment City Clerk cc: Steve Ische, WSB & Associates, Inc. Bret Weiss, WSB.& Associates, Inc. Mayor Date F:\WPWIN\1281-30\072704 blltr.doc PROJECT SCHEDULE I. Collect Background Information ............ ................................. ................... August 2004 II. Prepare Outlet Recommendations . Neighborhood Meeting......................................... ...... ........... ........ September 2004 III. Prepare Construction Plans & Specs........................................................... October 2004 . Receive Bids............... .......... .......... ..................... .......................... November 2004 IV. Begin Construction ............................................................................. ........ December 2004 V. Final Restoration............................................................... .......................... June 2005 F:\WPWIN\1281-30\072704 blltr,doc ~ ~r .' . DESIGN FOR :::~ ... " '9: - , RECOMMEND o \...... "8..'; DEBRIS CATCHERS ,..... . , ;- ...."... .-.. -- i Q'I i .\ .j <' Oi! I \ ~', 1m i " > , " ~, i \~= ~ ~- U r/l ~ 'Il'il < ~ 1[, ;b )f K( f.) ~ ~~~;"i ,_.~ LEGEND ~. Ponding areas r-' . .i': ~, ~ III included in Proposal '.r- I \ 1"~ i 0 300 GOO Dominion Hills WSB Project No, 1281-30 Dale: July 9, 2004 A. 4150 Olson Memorial Highway __.~...___~_ ___ ______H. _______ ___ ____ - - -- _..n...___'__ ~~ Suite 300 WSB Minneapolis, MN 55422 Proposal 763-541-4800 FAX 763-541-1700 Shakopee, Minnesota SHAKO PEE & Associates. 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