Key Personnel
 

Jose Somera
Project Manager, Griffin Dewatering Ontario, California

909.986.4498

30 Years Dewatering Experience
20 Years with Griffin

Key Projects:
The Long Beach Convention Center in Long Beach, California
The Pacific Northwest Baseball Park in Seattle, Washington
The Arctic Exhibit at Sea World in San Diego, California

Jose functions as both a designer and project manager for dewatering and extraction systems. And also designs by-pass pumping applications. Jose specialized in Construction Technology while in College. Jose has eperience with design work and installation of dewatering systems for various types of bridges, high rise buildings, sewage treatment plants and other structures.

   

Dave Handy
Project Manager, Griffin Dewatering South Florida, L.L.C.

954.969.8854

24 Years Dewatering/Pump Experience
20 Years with Griffin

Key Projects:
Four Seasons Hotel & Tower on Brickell Avenue in Downtown Miami, Florida
Barclay’s Financial Center in Miami, Florida
Santa Maria on Brickell Avenue in the Coral Way neighborhood of Miami, Florida
Miami International Airport in Miami, Florida

Dave is a U.S. Navy Veteran, (Shipboard Engineering Division, assigned to Aircraft Carrier U.S.S. Nimitz) Studied Business Administration & Mechanical Engineering Principles at The University of Louisville. Dave’s has the unique ability to determine the, right approach for creating the best dewatering solution for Griffin’s clients. Dave’s number one priority is generating more satisfied Griffin clients.

   

Harry Bagherzadeh
Senior Project Manager, Griffin Dewatering Southwest/Southeast, L.L.C.

713.671.7026

17 Years Ground Water/Dewatering Experience
15 Years with Griffin

Key Projects:
River Walk expansion in San Antonio, Texas
Saluda Dam remediation project in Lexington, South Carolina
North Georgia Recreation Center in Dahlongea, Georgia

Harry is a civil and agricultural engineer, with experience in areas of environmental engineering, ground water hydrogeology, hydraulics, soil physics, and mapping. In addition, Harry has extensive experience in subsurface straigraphic analysis of soils, hydrogeologic investigations, groundwater dewatering design, aquifer testing, pumping test design, relief well design and installation. Since joining the Griffin team, Harry has conducted continuous monitoring field service for aquifer characterization. Harry is active with the Soil Water Conservation Society, the American Society of Agricultural Engineering and the American Water Resources Association. Harry is a Graduate of Penn State with a PHD in Agricultural Engineering.

   

Tom Minihan
Vice President, Griffin Dewatering Midwest, L.L.C.

800.505.0809

33 Years Dewatering Experience
14 Years with Griffin

Key Projects:
Soldier Field Renovations, Chicago, Illinois
Elm Road Power Generating Plant, Oak Creek, Wisconsin
BP Whiting Refinery Canadian Crude Operations Expansion, Whiting, Indiana
Potawatomi Casino Expansion, Milwaukee, Wisconsin

Tom entered the business of groundwater control and industrial effluent handling after finishing military service in 1975. A graduate of the University of Florida, he has designed and manufactured dewatering equipment. His ground water control expertise includes horizontal wells installed by horizontal directional drilling, slurry cutoff walls, eductor systems, geotextile wick drain systems, vacuumized deep wells, vacuum wellpoint systems, dewatering system winterizing methods and conventional deep wells, multi-stage efffluent bypass systems for the petro-chemical, and construction industries.

   

Larry Duhaime
Project Manager, Griffin Dewatering Mid Atlantic, L.L.C.

800.423.3959

44 Years Dewatering Experience
34 Years with Griffin

Key Projects:
Smithsonian Museum of African Art, Washington, D.C.
Surry Nuclear Power Plant, Surry County, Virginia
D.C. Subway New Hampshire Avenue Tunnels, Washington, D.C.

Larry has over 40 years experience in all phases of groundwater control. He started with Clark Dewatering and became a part of the Griffin team when Clark Dewatering became a part of Griffin in the mid 1970s. Larry has done projects on the east coast from Maine to Georgia with many projects in the D.C. metro area.

   

Jack Ward
Vice President, Griffin Dewatering

713.539.4915

25 Years Dewatering Experience
20 Years with Griffin

Key Projects:
Power Plant Coal Handling Structure in Sikeston, Missouri
Trident Submarine Drydock in St. Mary’s, Georgia
Boeing Aircraft Building in Renton, Washington

Jack started in construction dewatering in 1978 with Stang Dewatering in NE and OK offices.Griffin purchased assets of Stang in 1988, and Jack became an employee of Griffin. Jack has worked for Griffin since then in the CA, VA, and TX offices. Jack has a B.S. in Geology from Arizona State University.

   

Mike Sherraden
Vice President, Griffin Dewatering

713.671.7030

37 Years Dewatering Experience
37 Years with Griffin

Key Projects:
Vehicle Assembly Building (VAB) at the Kennedy Space Center, Brevard County, Florida
Port St. Lucie Nuclear Power Plant, St. Lucie County, Florida
Shamu’s Pools at SeaWorld in Orlando, Florida

Mike has over 30 years experience in all phases of groundwater control including methods application, design, estimating, bidding and project management. Mike currently directs operations of a diverse rental and contracting corporation that specializes in dewatering projects in the southeastern United States.

   

Steve Seliga
Project Manager, Griffin Dewatering North Central, L.L.C.

713-539-5820

27 Years Dewatering Experience
23 Years with Griffin

Key Projects:
Lock & Dam 10 – Major Maintenance and Repair, Guttenberg, Iowa
Nearman Power Plant - Cooling Tower Basin Construction, Kansas City, Kansas
Wastewater Treatment Plant – Temporary and Permanent Dewatering System, Kearney, Nebraska

Steve is a graduate of Iowa State University with a B.S. in Civil Engineering. He has spent most of his time working out of the Griffin office in Omaha, Nebraska. He now covers the North Central Region and other areas of the country from the Corporate Office in Houston.

 
 
 
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