Coverage region
Engineering Services Across West Texas
Fifty five counties spanning nearly six hundred miles. Low plasticity soils that make foundations simpler, collapsible and gypsum bearing soils that make them harder, and distances that make how a firm is organized matter as much as what it knows.

Wind
What the wind here asks of a structure
What the wind environment requires of a structure in West Texas, the Permian Basin, and the Trans-Pecos.
West Texas carries no windstorm certification requirement and sees very little hurricane influence. Sustained wind and blowing dust are the ordinary condition rather than an event, and open terrain means exposure category C applies far more often than it does in the eastern half of the state.
The Permian Basin and the Concho Valley see significant hail, and the Abilene and Big Spring corridors are struck often enough that roof condition work is a steady requirement.
For the large metal buildings common across this region, wind is usually the governing lateral load, and the connection details at the base and the eave are where that load is resolved.
Soil
What the ground does, and what it does to a foundation
What the ground does here, and what a foundation has to be designed against because of it.
Much of West Texas is a relief after the clays of the east. Sandy soils, caliche, and shallow rock produce low plasticity and stable bearing across large areas, and foundations are correspondingly simpler.
The exceptions are the ones worth engineering for. Gypsiferous soils across parts of the Permian Basin and the Trans-Pecos can dissolve under sustained wetting, and collapsible soils, including the alluvial fan deposits around El Paso and the loess derived soils on parts of the plains, can lose volume abruptly when they are first saturated. Both fail on wetting rather than on load, which is why drainage and utility leak control are structural considerations here and not just maintenance.
Localized expansive clays do occur, particularly in the Concho Valley and through the West Central counties around Abilene, and they are easy to miss on a site chosen by regional assumption rather than by boring.
Permitting
Who has authority, and what they ask for
Who has authority over the work, and what they ask for before they issue.
El Paso, Midland, Odessa, San Angelo, Abilene, and the larger incorporated cities operate building departments and require sealed documents in the usual circumstances. Outside them, a great many of these counties have no building code adoption and no permitting in unincorporated areas at all.
Where there is no plan reviewer, the requirement comes from somewhere else: a lender, an insurer, a utility interconnection, or a landowner. That is the ordinary situation across much of this region and it changes who the engineering deliverable is addressed to.
Distance is the operational constraint that defines working here. A single county in the Trans-Pecos can be larger than several eastern states, and a firm that cannot get a qualified technician to a site without a full day of travel cannot serve this region on any reasonable schedule.
Service emphasis
What this region asks for most
All 8 service lines are available across the state. These are the ones the conditions above push to the front here.
Manufactured Home Foundation Certifications
Manufactured housing is common across the rural counties.
Solar Structural Letters
The region carries a large share of the state's solar buildout.
Residential and Light Commercial Design
Metal buildings and light commercial construction across the basin.
Foundation Inspections and Certifications
Collapsible and gypsum bearing soils fail on wetting rather than on load.
Counties
The 55 counties in this region
Population centers include El Paso, Midland, Odessa, San Angelo, Abilene, Big Spring. Coverage is the whole list, not the centers.
- Andrews
- Borden
- Brewster
- Brown
- Callahan
- Coke
- Coleman
- Comanche
- Concho
- Crane
- Crockett
- Culberson
- Dawson
- Eastland
- Ector
- El Paso
- Fisher
- Gaines
- Glasscock
- Haskell
- Howard
- Hudspeth
- Irion
- Jeff Davis
- Jones
- Kent
- Kimble
- Knox
- Loving
- Martin
- Mason
- McCulloch
- Menard
- Midland
- Mitchell
- Nolan
- Pecos
- Presidio
- Reagan
- Reeves
- Runnels
- Schleicher
- Scurry
- Shackelford
- Sterling
- Stephens
- Stonewall
- Sutton
- Taylor
- Terrell
- Throckmorton
- Tom Green
- Upton
- Ward
- Winkler
Elsewhere in Texas
The other seven regions
Start a job
Tell us what the letter is for and we will tell you yes or no
Send the address, what the document is for, and the date it has to be in hand. Some jobs this firm cannot take, and you will hear that in the first conversation rather than after you have paid and waited.
