How an Engineering Express Design Calculator Saved
Real Money On A Pergola Quote - And Won The Job
A Practical Case Study For Contractors
When contractors quote pergolas, canopies, or other aluminum structures, it’s common to oversize beams and columns early in the process just to stay safe.
While that reduces engineering risk, it often inflates material costs and can make an otherwise competitive quote too expensive to close.
This case study shows how an Engineering Express design calculator helped right-size a pergola during the quoting phase, resulting in meaningful material savings and an easier installation.
“It’s best to have this information before engineers get involved to help win a project.”
Case Study - A Simple 12' X 12' Pergola
Project Overview
-
Structure: Aluminum Pergola
-
Footprint: 12’ x 12’
-
Overall height: 8’
-
Columns: (4) Perimeter Columns
-
Terrain: Medium Snow, low wind
-
Design phase: Pre-Engineering / Quoting Phase
The contractor’s goal was to verify the minimum code-compliant structural sizes early—rather than relying on worst-case assumptions or waiting on an engineer to review, reply (and charge for it).
Before vs. After: Calculator‑Driven Optimization
Beams (48′ Perimeter)
| Oversized Guess | Calculator‑Optimized | |
| Size | 2″ × 8″ × 1/4″ | 2″ × 8″ × 1/8″ |
| Cost (per 24′) | $804 | $601 |
| Savings | $-406 |
Columns (4 @ 8′ Tall)
| Oversized Guess | Calculator‑Optimized | |
|---|---|---|
| Size | 8″ × 8″ | 6″ × 6″ |
| Cost | $60 / LF | $33 / LF |
| Savings | $-864 |
Total Material Savings On Only One Small Project
$1,270 Saved
These savings were achieved without changing the design intent,
only by validating structural requirements earlier in the process.
Even More Savings
Downsizing structural components has a direct impact in the field:
•Lighter beams are easier to lift and set
•Smaller columns simplify anchoring and alignment, more aesthetically pleasing
•Reduced handling fatigue
•Faster installation with fewer crew members
Most Importantly: Odds are better at winning a job
But Wait, There's More
Our Design Calculators are getting better every day – helping optimize footings, connections, and highly custom conditions, leading to much more savings than just beams & columns.
You can easily create calculator templates for fast estimating, and results can be shared directly with Engineering Express to greatly speed up engineering and reduce engineering plan costs.
Let's Talk Options
Engineering Express is happy to explore options to bring these amazing tools to your company.
We offer options such as:
– Manufacturer-sponsored tools for their dealers and/or the general public.
–Subscription-based fees paid by participating dealers with no manufacturer support.
–Licensing & token-based options.
Click here to learn more about our subscription details.
Money-Saving ROI Example
Consider the calculator cost versus real-world savings.
Calculator subscription: $250 per month (includes engineer support time)
If the contractor achieves similar optimization on just five small projects per year:
Annual material savings is 5 × $1,270 = $6,350
Net gain after calculator cost
= $3,350++
And this doesn’t consider these additional benefits:
+ Improved close rates from sharper pricing
+ Fewer redesigns during engineering
+ Reduced quoting back-and-forth
+ Installation labor efficiencies
+ Quicker, less expensive site-specific engineering plans for permit
When repeated across multiple projects per year, the calculator doesn’t just pay for itself—it becomes a competitive advantage. Instead of guessing oversized components, contractors can quote leaner, faster, and with confidence, knowing the structure can still be engineered to code.