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Home > Applications > Wildlife Exclusion Fence - Special-Status-Species Protection
Wildlife Exclusion Fence - Special-Status-Species Protection
 
ERTEC E-Fence™ is the world leader by far in volume, number of projects, configuration types and in product innovation of special-status small vertebrate exclusion & directional barrers (ERTEC E-Fence™ Brochure).  E-Fence is a patented, highly reliable, cost effective, and ZERO Waste Wildlife Exclusion Fence (special-status species barrier) used to prevent special-status-small-vertebrates from entering construction sites where they can be killed or isolated. The system is highly configurable to address the behaviors and capabilities of individual species for exclusion or directional control.  ERTEC offers a comprehensive set of accessories such as Temporary Gates, Exclusionary Gate Panels, No-Trench Systems, Integrated Sediment Control, One-Way Gates, Funnels and Detour Systems, Climber Barrier Systems, Livestock Control Systems, etc.  ERTEC provides rapid-response full turn-key service with a rental option available.  Ask about Triple Function:  with E-Fence it is possible to perform wildlife exclusion, high visibility safety and sediment control in the same fence-line, significantly reducing total project costs.
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E-Fence™ delivers very high uptime (negligible maintenance). Unlike solid barriers (such as silt fence, plywood fence or other solid plastic barriers), this technology allows wind and water flow-through which prevents sudden wind knock-downs and storm water wash-outs at the base. And unlike hardware cloth or metal screen, it will not corrode.  Monitoring and maintenance costs are substantially reduced.  Available in Black and High Visibility Orange.  Different configurations are availalble for different species:  Options such as trench depth, ground-seal, climbing barrier, post spacing and depth vary depending on animal behavior and barrier location.  Integrated Sediment Control panels (eliminates silt fence or wattles), one-way animal gates and personnel and equipment gates are available accessories.
One-way escape gateways are available in various sizes to allow movement away from construction sites and prevent their return.  Photo with snake exiting gateway by Melissa Murphy, Gallaway Consulting (left).  Detour Wings are an option to help guide animals such as snakes and salamanders to the escape funnel.
Sometimes livestock fences are present in areas where small vertebrates are to be excluded.  E-Fence can be trenched and hung against various types of  fences.  Livestock Management:  To keep livestock away from the barrier while excluding small vertebrates, an electric hot-wire can be installed above E-Fence. CA American Water Company - San Clemente Dam Removal, Carmel Valley, CA - CA Red legged frog
A climbing barrier lip can be formed at the top of E-Fence. A 5" climber barrier lip is most common for climbers.  8" is often specified for mammals such as squirrels, rats and mice. A smooth belly band is an option for climbing mammals such as squirrels, mice and rats.  Both types of climbing barriers can be combined.
   
Temporary Swing Gates: ERTEC fabricates temporary gates to any size entrace (4, 6, 12, 16, 20' wide), with E-Fence integrated exclusion panels.   This gate includes a dual climber barrier system to com- plement the perimeter system. ERTEC fabricates gate exclusion panels, which by themselves, can be attached to existing swing gates. These keep the job-site entrances protected and looking organized! San Francisco PUC - Sheep Camp Creek Land Restoration - CA Red legged frog, CA tiger salamander
     
  No-Trench-Ground-Seal - two different systems are available as excellent options for areas that cannot be trenched such as:  across creek areas with ephemeral flows, areas with no storm water permit, slopes, rough terrain, remote areas difficult to reach with trenching equipment, and areas where there is a preference to avoid disturbing the soil.    (patetnt(  
 
Partial list of approved configurations (please contact ERTEC for recommended configuration and installation diagram - available for each of the following animals and others):  Alameda whip snake (Masticophis lateralis euryxanthus), Arroyo toad (Bufo microscaphus californicus), Blunt-nosed leopard lizard (Gambelia sila), Butler’s garter snake (Thamnophis butleri), California red legged frog (Rana draytonii), California tiger salamander (Ambystoma californiense), Chiricahua leopard frog (Rana chiricahuensis), Coachella Valley fringe-toed lizard (Uma inornata), Desert tortoise (Gopherus agassizii), Foothill yellow legged frog (Rana boylii), Giant garter snake (Thamnophis gigas), Giant kangaroo rat (Dipodomys ingens), Mojave ground squirrel (Xerospermophilus mohavensis), Northern cricket frog (Acris crepitans), Ornate Box Turtle (Terrapene ornata ornata), Pacific tree frog (Pseudacris regilla), Riparian brush rabbit (Sylvilagus bachmani riparius), Salt marsh harvest mouse (Reithrodontomys raviventris), San Bernardino kangaroo rat (Dipodomys merriami parvus), San Francisco garter snake (Thamnophis sirtalis tetrataenia), San Joaquin antelope squirrel (Ammosphermophilus nelson), San Joaquin kit fox (Vulpes mutica mutica), San Joaquin whip snake (Masticophis flagellum ruddocki), Santa Cruz long-toed salamander (Ambystoma macrodactylum croceum), Stephens' kangaroo rate (Dipodomys stephensi), Texas horned lizard (Phrynosoma cornutum), Tipton kangaroo rat (Dipodomys nitratoides nitratoides), Western Hognose Snake (Heterodon nasicus), Western pond turtle (Actinemys marmorata), Yellow Mud Turtle (Kinosternon flavescens), Yosemite toad (Anaxyrus canorus), rattlesnake (all species)
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