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X I I Notification#1600-2013-0356-R3 Streambed Alteration Agreement Page 8 of 23 monitor or qualified biologist shall monitor the behavior of the birds (adults and young, when present) at the nest site to ensure that they are not disturbed by project-related activities. Nest monitoring shall continue during project-related construction work until the young have fully fledged, are no longer being fed by the parents and have left the nest site, as determined by a biological monitor. 2.10 Nestinq Habitat Removal or Modification. No trees, shrubs or wetland habitat shall be disturbed that contain active bird nests until all eggs have hatched, and young have fully fledged (are no longer being fed by the adults, and have completed left the nest site). To avoid potential impact to tree or shrub-nesting birds, any trimming or pruning of trees or shrubs shall be conducted during the time period of September 16 to February 14. No habitat removal or modification shall occur within the ESA fenced nest zone even if the nest continues to be active beyond the typical nesting season for the species (refer to Measure 2.7), until the young have fully fledged and will no longer be adversely affected by the project. 2.11 Bat Survevs. The quali�ed biologist shall survey the bridges for bats within a minimum of 30 days prior to the beginning of Project construction work planned either on or within 50 feet of the Bridge. The biologist shall make an effort to identify the bat species and its use of the bridge (maternity, bachelor, day roosting), but shall avoid disturbing bats during surveys. The pallid bat forms maternity or bachelor colonies from spring (March to May) until October, and although the young are weaned at 6 to 8 weeks of age, they are not self-sufficient until the fall. Bats may hibernate in the same structure as the spring/summer roost or in another nearby location. Permittee or qualified biologist shall notify CDFW within 24 hours if bats are found during surveys. CDFW may submit additional written avoidance, minimization and mitigation measures if bats are found in the project area. Those additional measures shall be considered part of this Agreement. 2.12 Bat Protection. Bats shall not be disturbed by any project-related activities without specific notice to and consultation with CDFW. Project activities shall not start under the bridges, or within 50 feet of the bridges, if bats are found nesting/roosting within them. If bats are documented using the bridge or bridges, the qualified biologist shall conduct weekly surveys until the bats have left the area for the fall/winter season. 2.13 Stream Diversion. If water is present in the channel during project activities, the water shall be diverted around the work area to isolate it. To isolate the work area, water tight coffer dams shall be Page 14 of 30