Management

Ed Snodgrass, P.E.

Background

Prior to forming Benchmark Design Group (Benchmark) in 2003, Mr. Snodgrass was an owner of another private engineering practice. He began his time with that firm in 1992 in the capacity of Project Manager. At the end of his career there he was Sr. Vice President-Engineering in charge of the corporate office. He has an extremely strong background in State and Municipal work. Prior to that endeavor, Mr. Snodgrass worked for the Texas Department of Transportation (TxDOT) as an engineer with the Greenville, Texas Area Engineer’s office. His primary function at this position was a design engineer. He later moved from this position to become an engineer with the City of Tyler-Engineering Department. While with the City of Tyler, his primary function, other than the design of public works projects, was the administration of all Capital Improvements Projects (CIP) contracts during construction which were bid through the City.

He has been a Project Manager in charge of a variety of Civil Engineering projects.

He has also been responsible for numerous hydraulic issues which needed direct design or a registered engineer's opinion. Throughout his career, Mr. Snodgrass has been a key member in the planning, design and construction process of numerous high profile projects in both the private and public sectors. He has attended numerous continuing education courses; most notably: Wetlands and 404 Permitting – 1998 and 2004 (Dallas, TX and Cincinnati, OH), Urban Stormwater Management Workshop (Tampa, FL. and Nashville, TN.), Industrial Pretreatment (Houston, TX.), HEC-2 school (Austin, TX.), Underground Detention Design for Stormwater Management (Dallas, TX) and Project Designer Accreditation Training (Tyler, TX) as required by AHERA 40 CFR 763.

PrOJect Experience

  • Design of six bridges and bridge size culverts on numerous F.M. roads throughout Hunt County while at TxDOT.
  • Residential, collector and arterial streets design, with all associated hydrologic and hydraulic analysis and design.
  • Pounds Field Airport: Repairing and/or overlaying every runway and taxiway, design entrance road, and parking lot improvements.
  • Contract Administration of Capital Improvement Projects.
  • Supervision of Survey Field Crew and Construction Inspectors.
  • Numerous commercial development sites.
  • Wastewater treatment plants for Smith County WCID No. 1.
  • Sanitary sewer lift stations.
  • Hydraulic and Hydrologic studies as well as detention pond designs.
  • Computer modeling (HEC-1, HEC-2, THYSYS, HY-8, HYDRAIN, TR-55, POND2, etc.).
  • Wastewater permits.
  • Stormwater Pollution Prevention Plan (SWPPP) preparation.
  • Construction management.
  • Subdivision designs (including cost analysis, land planning and coordination with owner & contractor(s), paving design, utilities, etc.).
  • Project feasibility studies.
  • East Texas Medical Center, West Campus, 8-story building and parking garage complex.
  • East Texas Medical Center Hospital Facilities, Tyler, Athens, Jacksonville, Crockett, Pittsburg, etc..
  • Mother Frances Hospital, Tyler, Orneles Tower.
  • Trinity Mother Frances Hospital Facilities, Tyler, Athens, Jacksonville.
  • Kilgore Economic Development Council, complete civil design, park master planning.
  • Patriot Place Subdivision; Tyler, Texas.
  • Lowe’s Home Improvement Warehouse; multiple locations, complete civil design packages.
  • Lowe’s Distribution Centers; various locations, complete civil design packages.
  • Lindsey Park; Tyler, Texas.
  • Broadway Crossing Shopping Center; Tyler, Texas.
  • U. S. 79 Utilities relocation; Jacksonville, Texas.
  • Hollywood Theaters; Tyler, Texas.
  • Projects at U.T. Tyler including: Engineering, Science and Technology Building, Braithewaite Nursing Building, and Cowen Center Parking Lot.
  • U.S.A.C.O.E. Permitting ~ Nationwide Permits and Individual Permits

EDUCATION

Bachelor of Science, Texas A & M University, 1987

REGISTRATION

Registered Professional Engineer, Texas No. 72447
Registered Environmental Professional, Texas No. 585

MEMBERSHIPS

Member of American Public Works Association
Member of National Society of Civil Engineers
Member of American Society of Civil Engineers
Member of Texas Society of Professional Engineers

ADDITIONAL REGISTRATIONS

Registered Professional Engineer in the States of:

  • Arkansas
  • Arizona
  • Colorado
  • Kansas
  • Louisiana
  • Oklahoma
  • Ohio
  • Nebraska
  • New Mexico
  • Nevada
  • North Carolina
  • South Carolina
  • Tennessee
  • Texas
  • Utah
  • Virginia

Greg Mitchell, P.E.

BACKGROUND

Mr. Mitchell joined Benchmark Design Group (Benchmark) in February 2004 as a Project Manager. Currently he is the lead design engineer on a variety of civil and municipal projects.

Prior to joining Benchmark, Mr. Mitchell worked for Adams Consulting Engineers, Inc. (ACEI) as a Design Engineer. His experience there included a variety of projects from schematic layouts to final civil construction drawings and specifications with a focus on roadway and stormwater design.

Mr. Mitchell’s past experience also includes working 2 ½ years for Baskerville-Donovan, Inc. (BDI) in Tallahassee, Florida. While working for BDI, he worked on numerous roadway projects, focusing on the design of stormwater conveyance systems and stormwater management facilities. The projects include work for the Florida Department of Transportation and various municipalities.

While at Benchmark, he has prepared numerous subdivision layouts, subdivision designs, and infrastructure designs for water, sewer and stormsewer. He has also designed multiple site developments for commercial, retail, office and mixed use developments. Additionally, he has designed some transportation projects that this office has produced. Mr. Mitchell has a vast knowledge in hydraulics and hydrology. He has analyzed and designed many systems, both large and small. He has prepared flood studies with accompanying reports. Greg is in charge of the design staff and monitoring quality control.

PROJECT EXPERIENCE

  • Numerous commercial development sites
  • Hydraulic and Hydrologic studies
  • Detention pond designs
  • Computer modeling (TR-55, PONDPACK, Hydraflow’s Hydrographs, Hydraflow’s Storm Sewers, etc.)
  • Subdivision designs (including cost analysis, land planning and coordination with owner & contractor(s), paving design, utilities, etc.)
  • Project feasibility studies

EDUCATION

Bachelor of Science, Auburn University, 1999

REGISTRATION

Registered Professional Engineer, Texas No. 92699

MEMBERSHIPS

Texas Society of Professional Engineers 
National Society of Professional Engineers 
American Society of Civil Engineers

ADDITIONAL REGISTRATIONS

Registered Professional Engineer in the States of:

  • Alabama
  • Arkansas
  • Louisiana
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