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Mr. Bruce Westby, P.E. <br /> April 7, 2023 <br /> Page 2of5 <br /> • The construction of the regional storm water retention pond will allow for complete <br /> development of The COR.This construction will then allow for construction of The Waterfront <br /> amenity, and <br /> • The material generated from the regional storm water retention pond can be used as fill for the <br /> remaining undeveloped portion of The COR.This should serve to lower development costs, <br /> making the area more attractive to potential businesses. <br /> CONSTRUCTION COST ESTIMATES <br /> The COR report update, completed in 2023, presented project costs associated with the street and <br /> public utility related improvements.Those amounts were based on 2023 construction costs, and <br /> included a 30 percent allowance for contingencies and project development. Project costs were also <br /> included in The COR report for the regional storm water retention pond, mass grading,tree <br /> preservation, and park amenities. <br /> Based on The COR analysis,the following construction cost estimates, including a 10% contingency, <br /> were considered when preparing our fee estimate: <br /> Ramsey Zeolite Center <br /> Improvement Parkway Street Street TOTAL <br /> Roadway $1,2591100 $709,100 $555,900 $2,524,100 <br /> Parking $0 $0 $15 8,400 $15 8,400 <br /> Trails/Sidewalks $249,600 $199,700 $1661700 $6161000 <br /> Storm Sewer $6751200 $1131400 $1451500 $9341100 <br /> Trunk Storm Sewer $221000 $681500 $0 $901500 <br /> Watermain $3541500 $2331500 $0 $5881000 <br /> Sanitary Sewer $1701100 $1517500 $0 $3211600 <br /> Trunk Sanitary Sewer $248,800 $0 $0 $248,800 <br /> Total Costs $299799300 $194759700 $190269500 $594819500 <br /> Construction costs associated with the regional storm water retention pond include the following: <br /> dewatering, muck excavation, wetland mitigation, clay liner, and rough grading of the storm water pond <br /> area. Additionally, material will be placed on adjacent lots within The COR area and compacted to allow <br /> for building pads. Construction costs associated with these items are estimated at$5,066,800. <br /> Tree removal and preservation construction costs are estimated at$135,400 within the regional pond <br /> area and at$671,800 for the remaining areas. <br /> Total estimated construction costs for the described improvements are estimated at$11,355,500. <br /> SCOPE OF SERVICES <br /> PRELIMINARY DESIGN <br /> Prior to initiating design, we will meet with the City to discuss the initial project scope. Items to discuss <br /> include: <br /> • Topographic Survey of The COR, <br /> • Geotechnical and Environment Evaluations, <br /> C:\Users\kevinki\Desktop\COR Design 2023\New folder\Ramsey COR Area Design 04072023.docx <br /> Bolton&Menk is an equal.opportunity employer. <br />