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. Farmdale-Ferndale Storm Sewer Improvements

    West Hempfield Township was looking to pave the streets in one of its neighborhoods as part of a capital improvement project. The neighborhood was built in the 1970s and the existing stormwater infrastructure was also in need of repair and/or replacement. RETTEW worked with the Township to analyze the existing pavement, curbing, and stormwater facilities…

  3. University Area Joint Authority Biosolids Processing Facility Upgrade

    The University Area Joint Authority’s (UAJA) Spring Creek Pollution Control Facility provides wastewater treatment, solids handling, and reuse water to the Centre Region and comprises an advanced wastewater treatment facility with tertiary effluent standards and advanced water reclamation. The facility is currently rated for 10.56 mgd hydraulically (MMAF) and 50,000 pounds/day of biochemical oxygen demand….

  4. 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,…

  5. 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…

  6. University Area Joint Authority Ozone Disinfection System Design

    The University Area Joint Authority’s (UAJA) Spring Creek Pollution Control Facility previously disinfected its wastewater discharge using an ultraviolet (UV) system. While the UV system was effective at removing viruses and bacteria, it could not remove pharmaceutical products in the wastewater effluent. UAJA desired a new system that combines disinfection and advanced oxidation to remove…

  7. 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…

  8. Manor Township Detention Basin Retrofit

    As an MS4 Permittee, Manor Township is required to reduce stormwater pollutants to maintain compliance with their MS4 Permit requirements and to improve water quality in local streams and the Chesapeake Bay. The Township owns six dry detention basins that will provide significant pollutant reductions after being retrofitted into bioretention basins. Two of the existing…

  9. 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…

  10. Bank Branch Site Redevelopment

    One of the largest banking institutions in the United States was looking to expand its presence in the Pittsburgh region. Because of our existing relationship with the commercial real estate services and investment firm that oversees the development and expansion projects for the banking institution, RETTEW was asked to assist in redeveloping multiple sites for…

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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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