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0015~3 Fish Ladder responsibilities. Construction would not begin on the project until operation, maintenance, and replacement funding mechanisms were agreed upon and the operating agreement was signed. Permission would also be obtained from all affected land owners for perpetual access and use of the site for operation and maintenance. Long-term operation and maintenance cost is estimated at $15,000 to $25,000 per year, depending on whether a fish trap is included in the ladder. The Recovery Program or the Service would fund all activities for the fish ladder, with no costs to local water users. Water Supply for Fish Passage About 25 cfs of Colorado River flow would be needed to operate the fish ladder. The hydropower project developer would be required to supply this flow. Tailrace flows from the power plant would attract fish to the entrance of the ladder. Fish Ladder without Hydropower Plant I This alternative is similar to the "Fish Ladder with Hydropower Plant" alternative discussed in the previous section, but assumes a privately-developed hydropower facility would not be constructed. This alternative could be implemented only if FERC terminated the existing hydropower license or the licensee chose not to develop hydropower, Design Conceptual designs place the channel of the ladder in nearly the same location as the "with Hydropower Plant" alternative (shown previously in Figure 2). The upstream end of the ladder would likely be moved 10 to 20 feet farther away from the railroad track to allow more room for construction activities. The physical characteristics of the ladder would be very similar to the "with Hydropower Plant" design. As in that design, about 25 cfs of streamflow would be diverted into the channel for the ladder. An additional 75 cfs would need to be diverted into a pipeline that would run underground to the downstream entrance of the ladder. This additional water would help fish find the entrance to the fish ladder. Baffle and fish trap design would be as described in the "with Hydropower Plant" alternative, but no bridge to the hydropower plant would be needed. Construction Construction contracts, agreements, easements, permits, access and protective measures would be the same as discussed in the "with Hydropower Plant" alternative, but coordination with the hydropower developer would not be required. Costs would be comparable to the "with Hydropower Plant" alternative, with additional costs for constructing a pipeline to deliver the 75 cfs fish attraction flows to the fish ladder entrance. The estimated $1,900,000 cost of this alternative includes all preconstruction activities, permitting, 11