Introduction
Pre-works roost structure
- Photos or annotated figures of roost structure
Pre-works roost description
- Roost material(s)
-
- Photos or annotated figures of roost
Proposed works
- Relevant annotated figures
Proposed mitigations
- Type of mitigation
- Avoidance
- Specific technical detail of measure
- Retention of all existing ceilings and false ceilings via insertion of living accommodation beneath the existing features thus enabling the bats to remain mostly undisturbed by the works. Please refer to previous section for figures illustrating how this has been achieved.
- Roost location
- In Roof Void
- Aspect of roost
- Various
- Roost material(s)
-
- Nearest commuting feature
- Treeline
- Type of mitigation
- Avoidance
- Specific technical detail of measure
- Lighting, the floodlights were removed and replaced with low level down lighters. All lights were set on motion activation, with a timer to limit duration of lighting events. Lights were set at a low height to show doors to accommodation and to light pathways only. Refer to the lighting plan attached.
- Roost location
- In Roof Void
- Aspect of roost
- Various
- Roost material(s)
-
- Nearest commuting feature
- Treeline
Monitoring data
- Type of monitoring
- Roost Inspection
- Date and time
- 13th February 2023 13:00
- Evidence recorded
- 54 Lesser horseshoe bats
- Internal temperature and humidity recorded
- 16.3 C Rh75%
- External temperature and humidity recorded
- 9.6 C
- Interventions made
- Commitment to place temperature and humidity monitors in the roof space for winter 2023/24
- Type of monitoring
- Dusk and Dawn Survey
- Date and time
- 24th July 2022 01:00
- Evidence recorded
- 80 Lesser horseshoe emerging
- External temperature and humidity recorded
- 18 C 54% rh
- Interventions made
- None
- Type of monitoring
- Dusk and Dawn Survey
- Date and time
- 27th August 2022 23:50
- Evidence recorded
- 91 emergent Lesser horseshoe bats
- External temperature and humidity recorded
- 16 C 60% rh
- Interventions made
- none
- Type of monitoring
- Roost Inspection
