1. Millersville University Campus Improvements

    Millersville University was in need of a single firm to supply services for various campus projects to enhance campus amenities and create safe, inviting spaces for the school’s students, faculty, and visitors. Under an open-end contract, RETTEW performed various services including: Pucillo Drive: Provided the redesign and relocation of parking areas, sidewalks, and an existing…

  2. Iroquois National Wildlife Refuge GPS Control Survey and LiDAR Mapping

    The U.S. Fish and Wildlife Service (USFWS) requested updated topographic mapping of 11,000 acres for future land planning and management. The widely varied terrain and density of vegetation across this large project area required the use of aerial LiDAR because it is the best solution to achieve the appropriate level of detail and accuracy. The…

  3. Lancaster County Engineer

    Located in South Central Pennsylvania along the Susquehanna River, Lancaster County is more than 950 square miles, with a population of more than 507,000 residents throughout 60 municipalities. The County touts a diverse population with rich agricultural roots, a large Amish community, and a strong sense of history. In this role, RETTEW is responsible for…

  4. Casper PCE Plumes Orphan Site Investigation

    A tetrachloroethylene (PCE) plume is present in the groundwater beneath the northern portion of downtown Casper, the extents of which had been assessed throughout nearly 20 years of site characterization and data gathering. However, the exact source(s) of the groundwater impacts had not been identified. RETTEW collaboratively assisted the Wyoming Department of Environmental Quality (WDEQ)…

  5. Catskill Watershed Land Acquisition and Conservation Easement Programs

    New York City depends on the Catskill Watershed for the majority of its potable water supply. In 1997, the U.S. Environmental Protection Agency issued a filtration avoidance determination to New York City, which required implementing programs such as the Land Acquisition Program and Conservation Easement Program. Under these programs, the City needed to acquire thousands…

  6. WDEQ Phase I ESAs for Wyoming Communities

    Many Wyoming communities have brownfield properties that are abandoned or underutilized because of known or suspected environmental contamination. The Wyoming Department of Environmental Quality (WDEQ) has established the Brownfields Assistance (BA) program to support these communities by helping local governments investigate, clean up, and reuse brownfield properties. The BA program provides technical assistance through Phase…

  7. Worlds End State Park Day Use Area

    The Pennsylvania Department of Conservation and Natural Resources (PA DCNR) needed a day use facility for visitors to its 780-acre Worlds End State Park, one of PA DCNR’s premier recreational facilities. RETTEW provided engineering services for the construction of four new comfort stations, three new bath houses, one new beach house, new wastewater disposal systems,…

  8. Tobyhanna Army Depot Design-Build Radome

    Tobyhanna Army Depot is the designated site for repairing and testing Marine Corps radars. To accommodate upcoming work on an AN/TPS-59 long-range air surveillance radar antenna, Tobyhanna needed to complete a series of multi-million dollar construction renovations. For this particular project, the government budgeted to equip the depot’s industrial complex with a new radome used…

  9. Stadium High-Angle Rescue Support

    This University client wanted to set off fireworks from their scoreboards, approximately 200 feet off the ground. While this would certainly be a crowd pleaser, they wanted to put safety first with fall protection for the pyrotechnicians working the show. One option presented to our client was a custom railing system. However, the time, expense,…

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Project Update

From the Oldest to the Newest

The oldest covered bridge in Lancaster County, PA is now revitalized and open to traffic. Pequea No. 7,…

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Industry News

Decorate and Celebrate Safely

Stay cozy, but stay safe!  During this special time of the year, make sure you’re being as safe…

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