02-05-2018 Council Work Session Packet

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35CNH ARCHITECTS Low Cost Public Works Facility Sanitary Sewer and Water 9,707,342 360,000 10,067,342 (2017 Dollars)Total $ $ $ Option A1 Remodel & Expansion Phase 1 Option A2 New Facility at Existing Site Phase 1 Cost estimate Option B1 New Facility at Fire Station Site Phase 1 *Inflation not taken into account in this estimate High Cost Public Works Facility Sanitary Sewer and Water 12,195,113 360,000 12,555,113(2017 Dollars)Total $ $ $ Low Cost Public Works Facility 10,040,359 $ $ *Inflation not taken into account in this estimate High Cost Public Works Facility 12,458,171$ Low Cost Public Works Facility 9,922,715 9,922,715 (2017 Dollars)Total $ $ *Inflation not taken into account in this estimate High Cost Public Works Facility 12,380,093 12,380,093 (2017 Dollars)Total $ $ Sanitary Sewer and Water 360,000 10,400,359 (2017 Dollars)Total $Sanitary Sewer and Water 360,000 12,818,171(2017 Dollars)Total $ Cost Estimate Summary The cost estimates shown above represent our teams professional opinion of probable construction cost based on the uses proposed, and typical construction costs for similar facilities within the greater metropolitan area. The low cost to high cost range represents the preliminary level of the designs done within this study, as well as the range in quality, life-cycle, and aesthetic choices that would be reviewed and selected by the city during the design process. The costs, as indicated are current construction costs and an inflation factor would need to be applied when a specific time line is developed. The prices shown represent the estimated hard costs of the site and building construction shown in each option layout and vary only about $500,000 when comparing the Low Cost for each option or 5% of the total cost. However, there are other cost factors not indicated that should also be taken into consideration when comparing options that would create a greater final cost differential between options. A partial list of these items include: • Operational cost to move Public Works functions off-site during construction for Site A options • Loss of use of ball field and hockey rink at Site A if expansion occurs there • Additional maintenance costs for reused portions of the existing structure under Option A1, compared to an all-new facility in the other options • Ability to continue to use one existing cold storage building under Option A2 and two existing cold storage buildings under Option B1, thus postponing the date when Phase 2 of the Public Works storage shown in each option layout would be needed