We Are D&S Engineering Labs
Geotechnical Engineering
The Geotechnical Engineering Services are provided by Professional Engineers, Geologist and highly trained drill crews and lab technicians. Our staff has extensive experience allowing us to provide high quality engineering services enabling you to construct a useful, reliable and economical structure. Services provided involve geotechnical recommendations including bearing capacity, expansive soil movement, shallow and deep foundations, settlement studies, retaining wall analysis, slope stability, lateral earth pressures, earthwork and subgrade preparations, pavement design as well as advanced geotechnical testing.
Construction Materials Engineering Testing
Licensed professional engineers oversee D&S’ construction materials testing projects. Our technical staff has extensive experience working with our clients ensuring proper design criteria are referenced, quality materials are being used, and construction proceeds according to the project plans and specifications, in order to ultimately protect the owner and to keep the public safe. Licensed professional engineers oversee D&S’ construction materials testing projects and are available to trouble-shoot should issues arise during construction.
Geotechnical Drilling
D&S owns its own drilling rigs allowing us to perform field investigations without relying on sub-contractors. D&S’ fleet includes one CME-75, two mobile B-58s, one Moble B-47, an ATV-Mounted CME 550 and a rubber tracked skid mounted rig for unique cases. D&S can perform field investigations through drilling and sampling soils and rock strata using continuous flight augers, hollow-stem augers, and rock-coring equipment. Our ATV mounted rig allows D&S to negotiate soft ground conditions soon after inclement weather enabling additional schedule maintenance.
“This was the first time I had seen a geotechnical report from D&S and I was very pleased.
The report for the new Prosper Town Hall was well organized, clear and concise,
easy to understand, and contained all of the information I needed for my structural design.”
– Barry K. Krieger, P.E. { JQ Engineering }
Our Team
D&S Engineering Labs has compiled a team of individuals with a commitment to integrity and dedication to providing quality services. All of our team members are committed to the ideal of providing superior quality and exceptional responsiveness.
Amy Brothers, PE
President
Jason Brothers
Vice President
Jud Sherman, PE
Principal, Construction Materials Engineering Testing
Mark G. Thomas, P.E., P.G.
Principal, Geotechnical Engineering Testing
Brad King
CMET Operations Manager
Abigail Alford, P.E.
Sr. CMET Engineer
Bret Fischer, P.E.
CMET Engineer
Christy Hansel
Quality Assurance Coordinator
Jason Middleton
Drilling Superintendent/Fleet Manager
Luis Villamil, P.E.
Chief Estimator
Michael Taylor, P.E
Senior Geotechnical Engineer
Sandip Adhikari, P.E.
Geotechnical Engineer
Jennifer King
Business Development Coordinator
Mike Davis
Client Manager
Local Presence, Reliable Expertise, Dependable Service
Lake Murray Nature Center, Ok
Recreation![]()
Noble Stadium – Ardmore, OK
Education![]()
Collin County Regional Airport, Phase III – McKinney, Texas
Transportation![]()
I-35 Pedestrian Bridge at UNT
Transportation![]()
IH 30 New Retaining Walls for Texas Department of Transportation, Grand Prairie, TX
Transportation![]()
Custom Home Sites, Various Locations
Residential![]()
Robson Ranch, Denton, TX
Residential![]()
Urban Square at Unicorn Lake, Denton, TX
Residential![]()
East Fork Above Lake Lavon Watershed, McKinney, TX
Municipal![]()
Denton County Roads Term Project
Municipal![]()
Denton Municipal Electric CIP
Municipal![]()
Granite Hilton Hotel, Plano, TX
Hospitality![]()
Chickasaw Nation Ardmore Health Center, Ardmore, OK
Health Care![]()
New Frisco Indoor Soccer Facility
Commercial![]()
Granite V, Frisco, Texas
Commercial![]()
University Center Southern Oklahoma, Ardmore, OK
Education![]()
New Denison High School Complex, 2012-2014
Education![]()
Azle High School, New Competition Gym and Career Technology Center
Education![]()
FedEx Ground Facility, Wichita Falls, TX
Commercial![]()
Dr. Ray Braswell High School & Bill Carrico Athletic Complex and Fieldhouse, 2014-present
Education![]()
Denison Southside Fire Station, 2013-2014
Municipal![]()
Accreditations
“Accredited laboratories demonstrate that their testing services not only conform to specific national and international standards, but are also of the highest quality. Accreditation can enhance a customer’s confidence in the testing provided by the laboratory. Accredited laboratories have been subjected to vigorous on-site, third party assessments. During these assessments, each test method is demonstrated in its entirety by the laboratory’s technical staff, and the testing apparatus associated with each test is evaluated. The assessment also includes a thorough review of the laboratory’s quality management system, including records of technician training and competency evaluations as well as equipment calibration and check records. Additionally, a detailed review of all accreditation requirements, including participation in the AMRL and CCRL proficiency sample programs, is conducted for each accredited laboratory at least once per year.”
—AASHTO
Texas Board of Professional Engineers
D&S is registered with the Texas Board of Professional Engineers to provide Engineering Services in the State of Texas.
ACI
D&S Field and Lab Technicians are certified by the American Concrete Institute to provide quality service within Concrete Construction Industry.
Oklahoma Board of Professional Engineers
D&S is registered with the Oklahoma Board of Professional Engineers to provide Engineering Services in the State of Oklahoma.
HUB
D&S is now certified by the Texas Historically Underutilized Business (HUB) Program in order to support minority participation requirements.
CCRL/AMRL
D&S Services are completed in accordance with an approved AASTHO Accredited Quality Management program to assure equipment calibrations, maintenance and tests comply with national standards. Our laboratories participate in the Cement and Concrete Reference Laboratory (CCRL) and AASHTO Material Reference Laboratory (AMRL) proficiency sample programs.
TxDOT SBE
D&S is now certified by the Texas Department of Transportation as part of their Small Business Enterprise (SBE) Program.
ARMY CORPS OF ENGINEERS
On May 1, 2015, D&S received accreditation by The U.S. Army Corps of Engineers, to conduct materials testing.
BROWZ COMPLIANCE
Our good safety track record and our commitment to personnel training and safety awareness has placed D&S in compliance with BROWZ. Being compliant in safety allows us to work at companies that require BROWZ certification .
WBENC-CERTIFIED WBE
D&S Engineering Labs, LLC is certified as a Women’s Business Enterprise by the Women’s Business Enterprise National Council (WBENC).
News
Bridges Over Troubled Water
D&S Engineering Labs, LLC was featured in GeoDrilling International’s January/February 2017 edition. D&S was contracted by TxDOT to perform drilling services to collect data for restorative measures for two bridges damaged by flooding between 2014 – 2016: State Highway (SH) 63 over Sabine River into Louisiana and Farm to Marker Road (FM) 2626 over Quicksand Creek.
Full article: Bridges Over Troubled Water