environmental assessment for the hog lake road improvement project

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Ramona Hog Lake Road Improvement Project August 2011 proposed project was requested by the Sovereign Nation of the Ramona Tribe and the RTA. It would cross Federal Forest System lands and is funded by Tribal government. One comment additionally requested information be more available in the local Anza publications. The project mailing list has been updated with the local contacts requested. Chapter 2 – Alternatives This chapter describes and compares the alternatives considered for the Hog Lake Road Improvement Project EA. It describes both alternatives considered in detail and those eliminated from detailed study. The end of this chapter presents the alternatives in a table so that the alternatives and their environmental impacts can be readily compared. The Proposed Action Alternative The existing Hog Lake Road, within the Project area, will be paved and reconstructed with the installation of asphalt-concrete berms, downdrains, a box culvert, and rip-rap for the box culvert under the road. Approximately 800 lineal feet of the proposed improvements are located on the Ramona Reservation and 6,700 feet are on National Forest System lands. The paved road specifications will be: 22 feet in width with 2 foot shoulders, within a right-of-way width of 50 feet, except for “pop outs” for some drainage structures. As illustrated below in Figure 4, a 2% cross-slope section approach is proposed which would enable natural drainage courses and patterns to be maintained, as the present road is generally at cross-slopes of approximately 2%. Figure 4: Typical Section With 2% Road Cross-Slope Frank Springer & Associates, Inc. Page 13 of 79 Environmental Assessment
Ramona Hog Lake Road Improvement Project August 2011 As illustrated in Figure 5, a 10’ x 5’ double box culvert is proposed at the crossing of the existing road with the intermittent blue-line stream to provide all-weather access. This culvert is designed to BIA requirements for a 25 year flood event. The design will require a site specific Forest Plan amendment in order to accommodate the smaller BIA design, as the Forest LMP calls for culverts designed to accommodate 50 year events (page 19 and 20 of 33). The amendment will apply only to this area of this project. Only very minor road cuts and fills will be required except at the box culvert structure. Paving and re-designing of road structures will occur in such a way as to minimize environmental, economic, and social impacts on the surrounding area, and meet the requirements of NEPA. National Forest Road 6S18 (Hog Lake Road) is the only potentially year round System road with a direct connection from the Reservation to a dedicated year round County Road (Bautista) outside the Forest boundary. The great majority of paving would occur on encumbered land which is already in use as the existing unpaved road. Hog Lake Road has an average width of approximately 30 feet, and the proposed paved road would be 22 feet in width with 2 foot shoulders. Except in the relatively small area where the 10’ x 5’ double box culvert structure would be installed, no road widening and very minimal grading would be required. Figure 5: 10’ x 5’ Double Box Culvert New easements will be granted by and to the BIA, Ramona Tribe, Forest Service, and the owner of APN 572-050-048, which is a parcel of land located between the Ramona Tribe’s privately held parcel of land and National Forest Land. Newly created easements that fall within the Project area include the following (see Figure 3): A non-exclusive public road easement over those parts of Hog Lake Road passing over National Forest Land will be granted by the Forest Service to Frank Springer & Associates, Inc. Page 14 of 79 Environmental Assessment
Page 1 and 2: FINAL FRANK SPRINGER & ASSOCIATES,
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