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, ' . . PRECONSTRUCTION AND CONSTRUCTION SCHEDULE The initia.l construction activity, after the fil ing of the final environmental statement and the execution of repayment contracts, will be the purchase of lands (rights-of-way) required for construction of the Union Pacific Railroad relocation and for dam borrow material. Fi rst award of a major contracti s schedul ed in September 1977 for relocation of the Union Pacific Railroad. As shown on the attached Project Control Schedule, exhibit.3, this initial construction contract will be followed by contracts to construct (1) recreation facilities at ,Jackson Lake, (2) State highway and county road relocations. (3) the dam and appurtenant works, (4) fish and wildlife facilities including the fish hatchery and rearing ponds, and finally (5) reservoir clearing; Additional recreation facilities will be constructed periodically throughout the term of project development. The anticipated period to acquire necessary lands and build all facil ities for the NarroHs Unit is expected to cover 7 years, as shown. Initial reservoir storage is scheduled to begin in January 1983 with initial project water deliveries predicated upon attaining adequate storage in the reservoir before declaring project water available. AGRICULTURAL ECONOMY General Agricultural conditions have significantly changed since the previous studies were made, and the data collected at that time are not ~seful for a current evaluation. The size and organization of a typical farm has changed materially. Yields have increased beyond those previously projected for the 1980's. Labor efficiencies and capital intensification have far exceeded previous projections. L ive- stock production has increased significantly in the area over the past 10 years. Farm size has increased from 530 acres in the previous analysis for both repayment and benefit analyses to 580 acres for repayment and 880 acres for benefit evaluation. The previous analysis used a supplemental approach with a ~imilar size farm representing the ':Iith and without project conditions. The present analysis uses a new land equivalent method and has a 2,200-acre nonirrigated farm to represent the typical without condition for the benefit analysis. The livestock program on the current without farm is a cow-calf operation which is typical for the large, nonirrigated farm, and a feeder operation for the with condition farm. The previous analysis used only a feeder-calf operation on all budgets. The current plan will provide a supplemental water supply to irrigable lands within the Lower South Platte Water Conservancy District (166,370 acres) and the Central Colorado Water Conservancy District (120,700 acres). The Central Colorado Water Conservancy District is located upstream from the Narrows Reservoir site and will be served __ through an exchange arrangement. Approximately 12~ percent of the new water supply will be committed to this upstream exchange area. 13