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4.0-1b: Pre-Construction Bat Surveys. Conditions of approval for building and grading permits issued for demolition and construction on Sites 8, 8, 9, 10, 13, 20, and 21 shall include a requirement for pre-construction special-status bat surveys when large trees are to be removed or underutilized ar vacant buildings are to be demolished. If active day or night roosts are found, the bat biologist shall take actions to make such roosts unsuitable habitat prior to tree removal or building demolition. A no-disturbance buffer of 100 feet shall be created around active bat roosts being used for maternity or hibernation purposes. Bat roosts initiated during construction are presumed to be unaffected, arid no buffer would be necessary. Site(s) affected: Sites 6, 8, 9, 10, 13, 20, 21 4.0-1c: Burrowing Owl Surveys. Conditions of approval for building and grading permits at Site 18 and Site 20 shall require the project applicant to implement the following measures prior to construction initiation. A qualified biologist shall conduct a combined Phase I and Phase II burrowing owl habitat assessment and burrow survey according to accepted guidelines developed by the Burrowing Owl Consortium and accepted by CDFG. If suitable habitat, i.e. grasslands with short cover and burrows of a size usable by owls and/or owl sign, is not present at a site then the qualified biologist shall prepare a written report to be submitted to CDFG stating the reasons why the site is not considered to be burrowing owl habitat and no further survey., or mitigation are necessary. If the Phase I and II surveys find that suitable habitat and burrows are present at a site the qualified biologist will conduct Phase III surveys to determine presence or absence of burrowing owls. A minimum of four surveys will be conducted during the breeding season (April 15 to July 15). If owls are not observed then a minimum of four surveys will be conducted during the wintering season. If owls are not observed during either Phase III survey then no further mitigation is generally required, although CDFG may require pre-construction surveys. In either case a Phase IV survey report shall be prepared and submitted to CDFG. If required, pre-construction surveys for burrowing owl shall be conducted as follows: A qualified biologist shall conduct a pre-construction survey for burrowing owl if construction occurs during the breeding season (February 1 through August 31). Surveyors shall walk transects no more than 100 feet apart to attain 100 percent visual coverage of all grassland habitats within the project site. Where possible, agricultural or grassland habitats within 300 feet of the project site shall also be surveyed. If owls are not detected during this survey, project work can move forward as proposed. If owls are detected during this survey, no project activities shall occur within 250 feet of occupied burrows until the breeding season is over, unless owls have not begun laying eggs or juveniles are capable of independent survival.