Clients/Projects

Reitz & Jens, as the subconsultant to M3 Engineering Group, helped complete the Metropolitan St. Louis Sewer District’s pilot program to evaluate and design green infrastructure (GI) in the Bissell watershed.  Reitz & Jens’ primary role was to evaluate and measure the ability of existing site conditions to allow surface water infiltration, make recommendations for enhancing infiltration rates, and measure ...

SAPPINGTON CREEK – MEATH TO GRAVOIS PRELIMINARY DESIGN St. Louis County, Missouri  MSD retained a team lead by Reitz & Jens to complete the Sappington Creek – Meath to Gravois (GCXR-110) Preliminary Design. The purpose of this project was to evaluate alternatives and recommended solutions, along with design parameters, preliminary construction cost estimates, and design/construction phasing options for channel stabilization improvements within ...

  FOUNTAIN LAKES COMMERCE CENTER St. Charles County, Missouri In 1997, MB Properties retained Reitz & Jens to provide all geotechnical engineering and construction quality control services required for the development of the Fountain Lakes Commerce Center. The 540 acre development is in the 100-year floodplain of the Mississippi River, and was raised out of the 500-year floodplain by adding up to 15-feet ...

  WINGHAVEN DEVELOPMENT O’Fallon, Missouri Winghaven a 1100-acre mixed use development began in the mid 1990’s. The development is located in the City of O’Fallon in western St. Charles County, Missouri. In fall 1998, Reitz & Jens was retained by McEagle Corporation, subsidiary of Paric Corporation, to provide all geotechnical services during design and construction of the first two commercial buildings at Winghaven. These ...

  Meramec POWER PLANT Missouri  Reitz & Jens has provided geotechnical services to Ameren/UE since the mid-1970s. During this period, the firm has provided a wide range of geotechnical engineering and quality control services during design and construction of numerous generation plants and distribution systems throughout Missouri and Illinois.   The first design work at the Meramec Power Plant began in the 1970’s when the ...

  MISCELLANEOUS DAM SAFETY INSPECTIONS & EVALUATIONS Oklahoma, Kansas & Texas   Reitz & Jens team was selected by the Tulsa District for an indefinite delivery, indefinite quantity Architect-Engineering contract in March 2000. This contract was issued for a period of 1 year with 2 possible extension years. The District opted to renew this contract for both option years through March 23, 2003. Reitz ...

  METROLINK LIGHT RAIL SYSTEM St. Louis, Missouri   In 1992 and 1993 Reitz & Jens was retained by McCarthy, the general contractor, during construction of the Metrolink Rail System in downtown St. Louis, Missouri. As McCarthy’s construction engineer, Reitz & Jens designed nine separate temporary earth retention systems. Variations in subsurface conditions required several approaches to shoring at each retention system location. Two ...

  COLUMBIA BOTTOM – FISH & WILDLIFE MITIGATION PROJECT Missouri   Reitz & Jens prepared designs, plans, specifications, and construction cost estimates for creating approximately 808 acres of managed wetlands, and 300 acres of opportunistic wetland areas within the Columbia Bottom Conservation Area. The wetlands will be created within the levee-protected portion of the 4318-acre Area at the Confluence of the Missouri and Mississippi ...