San Leandro Marina Alts Study_Final

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4. Alternatives Capital Improvement Costs Table 4-7 presents a range (30 percent variance) of capital improvement costs associated with each of the three alternatives. These costs include demolition of existing structures as appropriate. Attachments A-E present a detailed breakdown of how these costs were determined. TABLE 4-7 CAPITAL COSTS BY ALTERNATIVEa Cost Range Alternative Low High No Action Alternative $ 4,448,000.00 $ 5,782,400.00 Alternative #1: Marina Parka $ 25,086,000.00 $ 32,612,000.00 Alternative #2: Aquatic Park $ 14,058,000.00 $ 18,275,400.00 Alternative #3: Nature Park $ 17,079,000.00 $ 22,202,700.00 a Includes all dredging and permitting costs. SOURCE: 2M Associates Work identified is for improvements that might be considered interior to the existing perimeter Harbor Basin walkway and the walkway itself. Park and public amenity proposals identified in landside developer's Discussion Plan are not included. No major infrastructure upgrades are included in the cost analysis and are assumed to be integrated into overall Harbor Basin redevelopment costs. It should be noted that many features in the different alternatives are interchangeable. For example, a pedestrian bridge across the mouth of the Harbor Basin as illustrated in the Nature Park Alternative could be added to the Aquatic Park Alternative. Additionally, costs for some features, such as a Nature Center as represented in the Nature Park Alternative, could vary widely depending on the scale, style, types of materials and exhibitory used in the structure. Therefore many costs that enter into the calculations should be viewed as "reasonable" costs. Operational Costs Table 4-8 presents current annual operational costs for the Harbor Basin area and a projection of annual operations costs (excluding dredging costs, which are included in Table 4-9, below) that may be anticipated by the City for each alternative. Common to all alternatives, including the No Action Alternative, is the maintenance of the perimeter promenade and associated landscaping. These features are already accommodated in existing City staffing plans. Additional operational assumptions for each are described below. Marina Park: The Marina would operate essentially at the same levels as existed in 2010. Additional staffing would be needed to maintain the beach and program the event space. This is assumed to be approximately a 0.25 full-time equivalent (FTE) maintenance position. The Lagoon Paddle Rental is assumed to be a concession operation associated with the proposed Hotel / Conference Center and would not require City involvement. San Leandro Marina Harbor Basin 4-20 ESA / 210461 Alternatives Study March 2011