Atch 35-APPENDIX 33 Desert Tortoise Temporary Fencing Guidelines.pdf
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- Nellis AFB Paving IDIQ
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- FA486125R0006
About this file
This document is a detailed guideline for temporary fencing requirements when conducting construction projects in desert tortoise habitats at Nellis Air Force Base. The guidelines specify that temporary fencing should be flush with the ground or up to 4 inches deep, standing 18-24 inches high, and can be constructed using fabric cloth or plastic mesh with gaps no larger than 2x2 inches. Fencing must be staked 6-12 inches into the ground and placed around work areas, with provisions for gates and ensuring complete coverage of exposed trenches.
The Nellis Natural Resource Program will provide clearance surveys for short-duration projects, requiring at least a couple weeks' notice to schedule an Authorized Biologist. The biologist will conduct a site survey and provide a mandatory 10-minute Awareness Training for contractors, as required under the Nellis AFB Programmatic Biological Opinion. Contact for these services is Anna Johnson, who can be reached at anna.johnson.18@us.af.mil or 702-652-4354, with an electronic copy of the Biological Opinion available upon request.
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Temporary Fencing for Desert Tortoise Projects
The requirements for temporary fencing for a construction project are less stringent than permanent tortoise proof fencing, and are as follows:
• The fencing should be flush with the ground (no gaps) or up to 4 inches deep, and height of fence 18-24 inches above the ground.
• The fencing can be staked with rebar or other stakes, with the stakes sunk 6-12 inches into the ground.
• The fencing can be fabric cloth fencing or plastic mesh fencing provided the gaps in the mesh are 2X2 inches or less in size.
• Place the fencing around the area to be trenched, include enough area within fencing to allow for needed workspace, equipment, etc.
• Enclosed area may have an opening for a gate (section that opens) to let people and equipment in and out, but gate should remain closed when not in use.
• A clearance survey the first day of the work prior to placing the fencing is needed.
• If a clearance survey were to identify an active tortoise burrow immediately adjacent to the work site, fencing can be placed around the burrow for the few days duration of work at that work site, and then removed when the work moves down the line.
• If a project is going to be completed in phases, then fencing can be placed in the section being worked.
• Trenches need to be fenced the entire length of exposed trench.
The Nellis Natural Resource Program can provide clearance surveys for short duration/small scale projects. We need to know the time work to be executed with a couple weeks’ notice, or as much as possible to schedule ‘Authorized Biologist’. The biologist shall provide contractor with Awareness Training at the site (~10 min); (required under the Nellis AFB Programmatic Biological Opinion, File No.
1-5-07-F-497).
Nellis Natural Resource Program points of contact:
Anna Johnson anna.johnson.18@us.af.mil 702-652-4354
Note: An electronic copy of the Nellis AFB Programmatic Biological Opinion, File No. 2022-0051434, can be provided upon request.
mailto:anna.johnson.18@us.af.mil
File details come from the government source that posted it. Updated .