Agenda - Council Work Session - 09/13/2022

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10.4 10.4.1 10.5 Vacant City Property Site The City owns a vacant 4.1-acre parcel located on the east side of Ramsey Blvd NW, west of the Public Works Site shown on Figure 1 in Appendix I. The 4.1-acre parcel would be sufficient to construct Ramsey's water treatment plant. A water treatment plant layout for the Vacant City Property Site is shown on Figure 7 in Appendix I. Raw and Finished Watermain Costs — Vacant City Property Site The raw and finished watermain required to construct a water treatment plant at the Vacant City Property Site is shown on Figure 3 in Appendix I. The water main and garage costs are included in Table 15. Because the Vacant City Property Site is not on or adjacent to the new Public Works Site, it is assumed that a garage is needed. Table 15 — Vacant City Property Site Costs tem • it Est. Quantity Unit Price • 24" Raw Watermain LF 9288 $230 $2,136,240 24" Road Crossing (Ramsey Blvd and Bunker Lake Blvd) - Jacked Casing LF 400 $525 $210000 24" Finished Watermain LF 3800 $230 $874,000 20" Raw Watermain LF 1300 $185 $240,500 16" Raw Watermain LF 1750 $165 $288,750 16" Raw Watermain (Armstrong Blvd) - Jacked Casing LF 100 $425 $42 500 Well 8 Meter Vault LS 1 $90,000 $90,000 Garage LS 1 $1,450,000 $1,450,000 Total $5,331,990 1 Costs are for comparison of alternatives and are not meant to represent the full project costs. Water Treatment Plant Site Evaluation and Recommendation The City had previously planned to locate a surface water treatment plant at the Fire Station site. Some of the raw watermain is in place and it is convenient for metering Well 8. However, the Fire Station site is remote from other Public Works facilities, would have operational inefficiencies, and would require building a garage. The Fire Station site would also require the City to purchase land. Due to the construction of the garage and purchasing land, the Fire Station site is more expensive than the Public Works site. The Public Works site requires more new raw and finished watermain than the Fire Station site, but because it is on the site of the Public Works Facility that is currently under construction it would not require a garage and could share an emergency generator and security infrastructure with the Public Works Facility. Having multiple public works facilities on the same site also increases operational efficiencies. The Public Works Site is already owned by the City and doesn't require the purchase of private property. If a garage is not included with the water treatment plant, the Public Works Site is the least expensive option. FEASIBILITY STUDY RAMSY 154354 Page 38