1. Anaerobic Digestion to Renewable Natural Gas Project Development

    An energy client was looking to develop multiple renewable natural gas (RNG) projects to meet their corporate sustainability goal of reducing the carbon footprint of the natural gas grid through RNG. These projects will generate biogas that can be upgraded to RNG on site. The feedstocks for this program are agricultural wastes such as dairy…

  2. Conewago Township Park Master Plan

    RETTEW developed a master site plan for Conewago Township’s community park for an undeveloped tract of approximately 103 acres to include both passive and active recreation facilities. Key facilities included pavilions and restrooms; tot lots; a parking lot; a 60-foot softball and Little League baseball field; two U10 soccer fields; a paved multipurpose/exercise trail; basketball,…

  3. Piedmont Lake Boat Launch Ramp Parking Area

    RETTEW was selected by the Muskingum Watershed Conservancy District (MWCD) to design a parking lot and boat launch expansion project at Piedmont Lake. The goal of the project is to provide 50 parking spaces for trailers and additional regular vehicle spaces, handicap-accessible parking, restroom facilities, ADA-compliant ramps and access, bioretention areas, lighting design, and a…

  4. Murry Ridge Park Green Infrastructure Improvements

    RETTEW worked with West Hempfield Township to develop a comprehensive, cost-effective strategy to achieve required sediment reduction loads in compliance with their 2018-2023 MS4 Permit requirements. This strategy included a variety of green infrastructure best management practices to reduce stormwater rates and volumes, increase groundwater supplies, filter stormwater pollutants, increase biodiversity and habitat for native…

  5. Ashmead Road Bridge Replacement

    This existing 58-foot-long steel I-beam bridge in Cheltenham Township was structurally deficient and needed to be replaced because of excessive deterioration. In fact, throughout the course of designing the new bridge, numerous emergency repairs were needed to keep the bridge in service. The bridge is in a high-traffic area prone to flooding, so extra caution…

  6. Asylum Run Sewer Interceptor Replacement

    Penbrook Borough’s existing 12-inch vitrified clay pipe (VCP) gravity sewer line was constructed in the 1930s and conveyed sewage flow from both Penbrook Borough and Susquehanna Township to the Capital Region Water sanitary sewer collection and conveyance system, a National Pollutant Discharge Elimination System (NPDES)-permitted system. Lack of maintenance and known structural inadequacies of the…

  7. Hermitage Municipal Authority Low-Pressure Sewer System

    Sanitary surveys revealed that more than 40 percent of surveyed on-lot disposal systems on North Neshannock Road, North Darby Road, and South Darby Road in the City of Hermitage were classified as suspected or confirmed malfunctions according to Pennsylvania Department of Environmental Protection regulations. These results suggested untreated sewage was being discharged into “Waters of…

  8. Stehli Silk Mill Mixed-Use Community Development

    Built in 1897, the Stehli Silk Mill was once a productive, lively place to work for hundreds of employees. But with the loss of manufacturing in the region, the building has laid vacant and deteriorating for decades. The site is ideally located across the street from a 1920s era residential community and within walking distance…

  9. Mill Road and Horseshoe Trail Road Bridges Rehabilitation

    Two small bridges in West Cocalico Township, one over Little Cocalico Creek and one over a tributary to Cocalico Creek, were deteriorating and needed repairs. Horseshoe Trail Road Bridge was previously closed because of collapsed abutments, and Mill Road Bridge was restricted by a steel plate over a portion of the failed deck. These failing…

  10. SR 0056 Bridges and Roadway Rehabilitation

    SR 0056, a four-lane limited-access highway that winds through the heart of the City of Johnstown, required rehabilitation. The project included multiple repairs to concrete and bituminous roadway, three bridges, and two retaining walls, and it needed to be completed in an aggressive timeframe. A rockslide at the north end of the project closed the…

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Community Support

RETTEW Charitable Foundation Awards Grant to Good Karma Garage

RETTEW is excited to announce Good Karma Garage is the recipient of a $7,000 grant from the RETTEW…

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Services

Evolving With Our Clients and Technology

For the last decade, RETTEW has been providing North America’s largest flat-rolled steel producer with visual structural inspections…

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