Land Mangement

Carter Distribution Center Permittee Responsible Mitigation

IES acquired an Individual Permit that authorized the creation of 5.25 acres of emergent marsh wetland compensatory mitigation for the unavoidable impacts to waters of the United States.  IES designed and created the wetland to have various microtopographic elevations to create heterogenous habitats.  After rough grading, IES utilized a GPS-unit capable of sub-meter accuracy on a compact track-loader to create the macro and microtopography within the wetland cell.  IES coordinated the 80 thousand plugs of contract grown nursery stock and planting crews to install the materials in community specific plantings based on each species’ tolerance for inundation and saturation.  Through this integrative approach from permitting through design and construction, the client saved a significant amount of time and money.

Sunnyvale Survey Corridor Brush Clearing

As part of land planning and permitting processes, topographic, waters of the United States, and tree surveys are completed.  IES provided survey corridor land clearing to provide access throughout 200 acres of heavily wooded property.  Prior to undertaking the project, IES prepared a 100-foot grid of the property, which was provided to the surveyors and the city officials for approval.  The city approval was authorized after a detailed memorandum was prepared documenting our procedures that ensured no protected trees would be removed.  IES operated a compact track-loader with a 6-foot hydroaxe mulching head guided by a real-time GPS-unit capable of sub-meter accuracy to stay on the survey corridors.  IES’ equipment operator was a biologist that was able to perform tree surveys and wetland delineations to ensure compliance with city ordinances and federal regulations.  The 4 days of corridor clearing saved over 30 days of survey time because of the increased access and site mobility.

Meadowbrook Wetland Management

IES conducted a waters of the United States delineation on a Master Planned Community in 2007, which subsequently did not develop due to the economic conditions at that time.  In the 2007 delineation, IES only located a single water feature partially on the site – an impoundment to a tributary.  In 2015, a new land developer retained IES to update the delineation.  IES found that in the 8 years, a new stormwater outfall was installed into the site and a population of beavers had colonized the site.  This addition of surface water in combination with the beaver dams, created 1.45 acres of black willow dominated wetlands and 0.27 acre of ponds.  Through actions that did not result in a regulated activity, IES individually cut and treated with herbicide the black willow trees, treated with herbicide all cattails, removed all beaver dams, and coordinated a trapper to remove the beavers.  Through a year of monitoring and maintenance, the wetlands and ponds reduced in size, allowing for the property owner to develop the site under a NWP with only minimal compensatory mitigation.  Through these simple land management activities, the property owner was allowed to develop the site, which would have been much more difficult as an Individual Permit.

Pipeline Restoration

IES has assisted with pipeline restoration on numerous projects in Texas and Oklahoma.  Some projects require the pipelines to be vegetated with either 70 percent ground cover or at least to the cover condition that was present before the pipeline was constructed.  In these instances, IES creates individual restoration prescriptions for each area, because the common adage that “one size fits all” does not apply in restoration ecology.  We evaluate the soils first, because in most pipeline construction, the subsoil is usually left on the surface, to develop a restoration prescription.  In nearly all cases, IES evaluates and capitalizes upon the success from previous restoration efforts – for example utilizing a no-till drill to add seeds to an existing stand of vegetation.  These restoration efforts have allowed pipeline companies to close out regulatory permits and get back to their business!