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MOUNTAIN HOUSE NEIGHBORHOOD"F"PROJECT INITIAL STUDY conducted prior to any ground disturbance or tree removal to confirm that no new nests have been established which could be affected by development. The following conditions of approval are recommended to mitigate potential less-than-significant impacts on special-status species: Condition ofApproval BIO-1: The applicant shall be required to participated in the SJCMSCP,or alternatively if the SJMSCP is not adopted within three years of the date of the approval of the tentative map,the fees collected will be used to administer the Mountain House Swainson Hawk HMP,and appropriate mitigation shall be acquired consistent with HMP criteria contained in the MasterPlan. In either case,all applicable Incidental Take Avoidance Measures described in Section 5.2 of the.SJMSCP shall be incorporated as conditions of project approval. Issuance of grading and construction permits shall be contingent on providing evidence of compliance with the SJCMSCP or acceptance of a fnal Habitat Management Plan in agreements with the USFWS and CDFG. Condition ofAmproval BIO-2: San Joaquin kit fox pre-construction and construction protocol of the USFWS(1997)shall be followed to ensure that there is no inadvertent take of this endangered species not specifically addressed under the SJCMSCP. Condition of Approval BIO-3: Preconstruction surveys shall be conducted for possible nesting activity by raptor species of concern no more than 30 days prior to initiation ofground disturbance on the site The pre-construction surveys shall be conducted by a qualified biologist,focusing on potential nesting by burrowing owl,Swainson's hawk,and other raptors If any active nests are encountered,appropriate construction restrictions shall be developed in consultation with the CDFG to prevent take or abandonment of the active nest until young have fledged b) Have a substantial adverse effect on any riparian habitat or other sensitive natural community identified in local or regional plans,policies, regulations or by the California Department of Fish and Game or U.S. Fish and Wildlife Service? No sensitive natural community types occur within the Neighborhood"F"site,and no adverse impacts on riparian or other sensitive natural community types are anticipated. The six willow trees in the center of the site are associated with a drainage ditch,and are not considered part of a natural riparian system. Modifications proposed along the Mountain House Creek corridor have been sited to avoid freshwater marsh and riparian habitat,as discussed below under jurisdictional wetlands(see discussion under[c]below). c) Have a substantial adverse effect on federally protected wetlands as defined by Section 404 of the Clean Water Act(including, but not limited to, marsh, vernal pool, coastal, etc.) Through direct removal,filling, hydrological interruption, or other means? No jurisdictional wetlands would be directly affected as a result of development on the Neighborhood"F"site, and off-site improvements have been designed to avoid or minimize modifications to wetlands. Secondary effects of grading and erosion could contribute to sedimentation in Mountain House Creek,unless protective measures are taken. Similarly,development could contribute to degradation of water quality in the creek as a result of urban pollutants on the developed site,and measures will be required to minimize non-point pollution as discussed in the Hydrology and Water Quality section of this Initial Study. A detailed sedimentation and erosion control plan shall be prepared and implemented as called for in the Hydrology section of this Initial Study. Proposed off-site modifications associated with Neighborhood"F"improvements include the following: 1) C:V0B=C\FNInAL SR)DY\FMALINRIALS=Y-PAR72.D0C(720/00) 110 V.L. BIOLOGICAL RESOURCES