Why Doesn't the Metal Building Manufacturer Include Foundation Engineering?
You ordered a 12,000 SF metal building. The manufacturer's quote covered the steel package, the trim, the doors, the delivery — and at the very end, in small type, you found a note: "Foundation design is not included. Anchor bolt plan provided for engineer's reference."
This trips up first-time PEMB contractors all the time. The question is reasonable: if the manufacturer engineers the steel, why not the foundation that carries it?
The honest answer is a mix of liability, licensing, and site-specificity. Here's the full picture.
The Manufacturer's Scope Stops at the Anchor Bolt
A pre-engineered metal building (PEMB) manufacturer designs the superstructure — the columns, rafters, purlins, girts, bracing, roof and wall panels, and the connections between them. They size the structural members to the loads of the building's roof and the wind/seismic/snow loads of the geographic location.
What they deliver to you, in addition to the steel itself, is:
- A set of reaction tables — the loads that each column base imposes on the foundation (axial, shear, moment, uplift).
- An anchor bolt plan showing column locations and recommended anchor bolt sizes.
- General notes about the steel design and the codes it was designed against.
What they explicitly do not deliver:
- A foundation plan.
- A calculation package for the foundation.
- A PE stamp on anything below the column base plate.
Everything from the top of the foundation down — concrete, rebar, footing depth, anchor embedment, slab-on-grade design, soil interaction — is the contractor's responsibility, designed by a separate engineer of record.
Why? Three Real Reasons.
1. Site-Specific Conditions
A PEMB manufacturer engineers thousands of buildings a year and ships them all over the country. The same model goes to a site in Houston, a site in Anchorage, and a site in Wisconsin.
The steel is the same. The foundation that carries it is radically different:
- Houston: expansive clay, high water table, hurricane wind uplift.
- Anchorage: permafrost-aware design, very high seismic.
- Wisconsin: heavy snow, deep frost depth, low seismic.
The manufacturer doesn't know your site. They don't have your geotech. They don't know your local frost depth. They can't sensibly engineer your foundation from a desk in another state.
2. Liability and Licensing
Foundation design has to be stamped by a Professional Engineer licensed in the state where the building is constructed. Every state has its own PE board. Every state requires the engineer to be physically licensed in that state to take responsibility for site-specific structural work.
A PEMB manufacturer based in, say, Mississippi can stamp steel shipped to all 50 states because the steel design is location- agnostic. A foundation can't be — it's bonded to a site, a soil, a code jurisdiction, and a building official.
For the manufacturer to include foundation engineering, they'd need PEs licensed in every state, geotech reports from every project, and acceptance of liability for everything below the base plate. The economics don't work, and they'd rather not own that risk anyway.
3. The Manufacturer's Quote Stays Competitive
Excluding foundation engineering keeps the manufacturer's headline price lower. It's a real cost — somewhere between $1,000 and $15,000 depending on building size — and putting it on the contractor's plate keeps the steel quote attractive.
Some manufacturers offer "approved engineer" referrals, but the foundation contract is between you and the engineer, not the manufacturer.
What This Means for You
When you're pricing out a PEMB project, you have to budget foundation engineering as a separate line item. The manufacturer gives you the loads; you take those loads to a structural engineer who designs the foundation around them.
Three things to plan for:
- Cost. Foundation engineering ranges from about $1,000–$3,000 for small buildings to $5,000–$15,000+ for larger commercial buildings from traditional firms. SteelReady publishes fixed pricing per square foot. Either way, build it into your project budget — don't get surprised at permit time.
- Time. Traditional firms run 2–4 weeks. Faster shops (including us) deliver in days. See how long foundation engineering takes.
- Revisions. Manufacturers update reaction loads on roughly half of all PEMB projects. Some engineers charge for each revision; others (like us) include unlimited revisions in the base price.
What's Actually in the Foundation Package
A complete foundation engineering package includes a PE-stamped foundation plan, structural details, general notes, anchor bolt design per ACI 318, and a calculation package documenting every load combination and check. See what's included in a foundation engineering package for the full breakdown.
The Workflow That Works
- Manufacturer designs the steel, sends you the reaction tables and anchor bolt plan.
- You (or your engineer) review your geotech report, if you have one. If you don't, the engineer designs to IBC presumptive values.
- Foundation engineer takes the reaction tables, the geotech, the local code, and produces a PE-stamped foundation package.
- You pull the permit with the foundation package.
- You build the foundation.
- The manufacturer's steel arrives, sets on your anchor bolts, and you're done.
The disconnect between the steel and the foundation is just how this industry works. Plan for it from day one and you won't get stuck waiting on engineering at permit time.
Ready to Get a Price?
Send us your reaction tables and anchor bolt plan from the manufacturer. We'll send back a fixed-price quote within an hour and a PE-stamped foundation package within days.
Get a Quote · info@steelready.com · (435) 851-1522