RES 2026023 - Laserfiche WebLink

Sequoia Ecological Consulting, Inc. CalVTP Project-Specific Analysis and Addendum Augustin Bernal Community Park Fuel Reduction November 2025 4-51 4.6.1.1. Impact GEO-1 The proposed project would include prescribed burning, manual and mechanical treatments, prescribed herbivory, and applied herbicide, as well as biomass disposal. These activities would create soil disturbance and vegetation removal, which have the potential to create erosion and the loss of topsoil. The potential impacts fall within the scope of the PEIR because the proposed work activities are similar to those analyzed in the PEIR. The PEIR identified the potential for project treatments to cause a substantial erosion or loss of topsoil as less than significant. Implementation of SPRs AD-3, GEO-1 through GEO-8, HYD-3, HYD-4, AQ-3, and AQ-4 would further minimize the risk of soil disturbance and the removal of topsoil caused by project treatments. SPR GEO-1 would require that soil-disturbing activities be put on hold during precipitation; SPR GEO-2 would limit the use of vehicles with high ground pressure that could lead to soil disturbance or compaction on wet or saturated soils; SPR GEO -3 would require disturbed soil areas to be stabilized during treatment activities; SPR GEO-4 would require treatment areas be inspected for correct erosion control measures prior to the start of the rainy season and following the first large rain event; SPR GEO-5 would require that stormwater be drained using water breaks to decrease the potential for channelized erosion down linear treatment areas; SPR GEO-6 would require that the size of burn piles be minimized in order to limit the spatial extent of damage done to soil; SPR GEO-7 would minimize erosion resulting from the use of heavy equipment and herbivory that is prescribed on slopes; SPR-8 would require an RPF or licensed geologist to evaluate treatment areas with slopes greater than 50 percent for unstable areas (areas with potential for landslide) and unstable soils (soil with moderate to high erosion hazard); SPR HYD-3 would require that environmentally sensitive areas be identified and excluded from all prescribed herbivory; SPR HYD-4 would require the establishment of WLPZs in order to reduce erosion near streams; SPR AQ-3 would require the creation of a Burn Plan and minimize the severity of soil burn to reduce the potential for runoff and soil erosion; and SPR AQ-4 would require that unpaved dirt roads be wetted in order to control dust. The proposed treatment area includes land that is outside of the CalVTP treatable landscape. While this constitutes as a change to the geographic extent that is outlined in the PEIR, the slopes and soil characteristics of the project area are equivalent within and outside the treatable landscape. However, SPRs would be implemented as described above, which would limit the potential for erosion to occur. For that reason, the potential impact related to soil erosion is also the same, as described above. This determination is therefore consistent with the PEIR and would not constitute a substantially more severe significant impact than what was covered in the PEIR.