Value Engineering Structural Steel: 12 Real Ideas
Value engineering structural steel means lowering the installed cost of the frame without losing function, and in steel the biggest savings usually come from fewer pieces and simpler connections, not fewer pounds. AISC notes that fabrication and erection are often 70 percent or more of a steel package's cost. Cut labor first.
That one fact changes how you should approach every VE request. When an owner or GC asks the fabricator for "VE options," the instinct is to look for lighter sections. But dropping a W18X40 to a W18X35 saves 5 lb/ft of material, and the shop still has to cut, drill, fit, weld and paint the same piece. Eliminating a stiffener pair, or a whole piece, takes out labor.
Below are 12 ideas, sorted by which cost bucket they hit, plus how to price a VE alternate quickly and how to pitch it to the engineer of record without starting a fight.
Engineering note: every idea here needs the engineer of record's review and approval. These are estimating and constructability suggestions, not design changes you can make on your own.
What is value engineering in structural steel?
VE is a structured look at cost versus function. In steel, it usually happens at one of three points:
- During design, when a fabricator is brought in early for budget pricing. This is where VE does the most good.
- On bid day, as voluntary alternates the fabricator offers alongside a base bid.
- After award, when the budget comes in high and the GC asks every trade for cuts.
AISC's page on steel construction costs makes the point directly: most of the package cost is fabrication and erection, and an experienced fabricator can suggest savings such as eliminating doubler and stiffener plates in favor of heavier members or reducing the number of pieces. Both are labor ideas.
If you want to price VE alternates without redoing the whole takeoff, run the drawings through SteelFlo: swap sizes in review, re-export, and compare against base bid. The first 3 takeoffs are free.
Why do fewer pieces beat fewer pounds?
A rough way to see it: break a member's installed cost into material (priced per pound) and labor (mostly priced per piece and per connection).
Example inputs (placeholders, use your own rates):
- Material: $0.75 per lb
- Shop labor: 2.5 hours per simple beam with two shear connections, at $75 per hour burdened
- Erection: 1 hour per beam at $120 per hour crew-hour share
For a W18X35 at 30 ft:
- Material: 35 x 30 = 1,050 lb x $0.75 = $788
- Shop: 2.5 x $75 = $188
- Erection: $120
- Total: about $1,096
Now two VE moves:
- Lighter section: W18X35 down to a W16X31 if it works. Saves 4 lb/ft x 30 ft = 120 lb, or $90 in material. Labor doesn't change.
- Remove the piece: if a re-spaced layout drops one infill beam per bay, you save the whole $1,096 plus two connections on the girder.
The numbers will differ for your shop, but the shape of the answer doesn't. Weight cuts save a fraction of material. Piece cuts save material, shop time, erection and connection hardware all at once. Our post on fabrication man-hours per ton explains why light, piece-heavy jobs carry more hours per ton than heavy, simple ones.
Which steel VE ideas save the most?
Here are 12 ideas grouped by the cost bucket they mainly hit. The ranking is by the bucket, because labor savings tend to be bigger than material savings on most building frames. Your actual savings depend on the job.
| # | VE idea | Main cost hit | Typical impact |
|---|---|---|---|
| 1 | Use heavier members to drop stiffeners and doublers | Shop labor | High on moment connections |
| 2 | Reduce piece count (wider beam spacing, fewer infills) | Shop + erection | High |
| 3 | Standardize sizes (fewer distinct sections) | Shop + purchasing | Medium to high |
| 4 | Standardize connections (repeat the same detail) | Shop + engineering | Medium to high |
| 5 | Shop-bolted or shop-welded, field-bolted connections | Erection | High on field-weld-heavy jobs |
| 6 | Braced frames instead of moment frames where possible | Shop + erection | High (needs design change) |
| 7 | Simple shear tabs over double-angle clips where suitable | Shop labor | Medium |
| 8 | Reduce camber pieces (or heavier beams instead of camber) | Shop labor | Low to medium |
| 9 | Galvanize or paint only where needed | Finish | Medium |
| 10 | Order to stock lengths and splice locations that nest well | Material drops | Low to medium |
| 11 | Rationalize misc metals (repeat lintel and embed types) | Shop labor | Medium on misc-heavy jobs |
| 12 | Avoid unnecessary HSS where W shapes work (or the reverse) | Material + connections | Varies |
1. Use heavier members to eliminate stiffeners and doublers
A column web doubler plate plus a pair of stiffeners can take hours of fitting and full-penetration welding. Going up a column size or two often removes the need for them. You add some pounds of steel and take out a lot of shop hours. AISC calls this out as a classic fabricator suggestion.
2. Reduce piece count
Wider beam spacing with a deeper deck, fewer infill beams, or combining two short pieces into one longer member. Every piece you remove saves handling, cutting, connections and a crane pick.
3. Standardize member sizes
A floor with nine different beam sizes, each 1 or 2 lb/ft apart, costs more to buy, sort, track and fabricate than one with three sizes. Rounding a few sizes up adds a little material and saves purchasing and shop time. It also cuts drop waste because you're ordering more of fewer sizes.
4. Standardize connections
If every W16 to girder connection uses the same shear tab and bolt pattern, the shop can set up once and repeat it. Detailers and connection engineers work faster too. This pairs well with delegated connection design, where the fabricator's engineer can choose repetitive details.
5. Move welding to the shop
Field welding is slow, weather-dependent and needs inspection on site. Shop welding with field bolting is usually cheaper. See bolted vs welded connection cost for the trade-off in detail.
6. Braced frames instead of moment frames
Moment connections are expensive to fabricate and erect. Where the architecture allows a braced bay, the lateral system can cost much less. This is a real design change, so it belongs early in design, not on bid day. Our moment frame vs braced frame cost post breaks down where the money goes.
Which connection VE ideas actually save money?
Connections are where most steel VE lives, because they're labor dense.
7. Shear tabs vs clip angles
Single-plate shear tabs are welded to the supporting member in the shop and bolted in the field. Double-angle clips can be shop bolted or welded to the beam. Which is cheaper depends on your shop's equipment and the erection sequence. Our clip angle vs end plate connections post compares the options.
The VE move is often not "tabs instead of angles" but "pick one and use it everywhere."
Other connection checks
- Bolt size and grade. One bolt diameter across the job means fewer drill setups and less risk of the wrong bolt in the wrong hole.
- Slip-critical vs snug-tight. Slip-critical bolts need surface prep and more inspection. Use them only where the design calls for them.
- Full-pen vs fillet welds. CJP welds cost far more than fillets. Ask whether each one is needed.
8. Camber
Camber is priced per piece. On short beams it can be impractical. A heavier beam without camber sometimes costs less than a lighter cambered one. Ask the engineer.
9. Finish only what needs it
Interior steel that will be fireproofed or concealed often doesn't need shop primer, and some fireproofing products don't want it. Galvanize only exterior and exposed members. Read the spec carefully; this one is often a free win.
10. Stock lengths and splices
If a column splice moves a few feet so pieces come out of standard stock lengths, drops shrink. Small win, but cheap to suggest.
11. Misc metals repetition
Ten different lintel sizes for ten openings can usually be two or three. Same for embed plates.
12. HSS vs wide flange
HSS columns can save on connections and fireproofing in some cases, and cost more per pound in others. It goes both ways. See HSS vs wide flange cost before proposing either direction.
How do you price a VE alternate on a live bid?
Speed matters. You usually have a day, sometimes an hour. The cleanest way:
- Start from your base takeoff. You need a member list by size and count.
- Make the change on a copy. Swap sizes, remove pieces or change connection counts for the affected area only.
- Re-price material by weight. Changed pounds x your $/lb.
- Re-price labor by piece and connection. Removed pieces x hours per piece; removed stiffeners x hours each.
- Show the delta, not two totals. Owners want "VE-3: standardize floor beams to three sizes, deduct $18,400." Not two full bids to compare.
Here's how one alternate might look on paper (example figures):
| VE alternate | Change | Material delta | Labor delta | Net |
|---|---|---|---|---|
| VE-1 | Upsize 12 columns, delete 24 stiffener pairs + 6 doublers | +$4,200 | -$11,700 | -$7,500 |
| VE-2 | Standardize 2nd floor beams from 7 sizes to 3 | +$2,100 | -$3,800 | -$1,700 |
| VE-3 | Field-welded moment connections to shop-welded, field-bolted | $0 | -$9,600 | -$9,600 |
Each line is traceable to a change in the member list, which makes it easy to defend.
With SteelFlo's steel estimating software, you can swap member sizes during review, re-export the BOM, and use Price This with your own material, fab and erection rates to see the dollar difference against your base. It doesn't decide what's structurally acceptable; that's the engineer's job. It does make the math fast.
How do you present VE without insulting the engineer?
Engineers hear "VE" and often brace for a list of ways to make their design worse. A few habits help:
- Lead with constructability, not cost. "We can drop the doublers if columns go to W14X90" is a design question the engineer can answer. "Your design is expensive" isn't.
- Offer, don't demand. Put VE ideas as alternates with clear deducts. Let the owner and engineer choose.
- Bring the numbers. Show the deduct and what changes. Vague ideas get vague answers.
- Respect the schedule. A VE idea that triggers a full redesign of the lateral system three weeks before steel release isn't saving anyone money.
- Use the Code of Standard Practice. The AISC Code of Standard Practice lays out responsibilities between the owner's designer and the fabricator. Knowing it keeps your suggestions inside your lane.
The 16th edition AISC Steel Construction Manual added new and revamped design tables for simple connections, per AISC's release notes. If you're proposing a standard connection, showing it comes from current Manual tables makes approval easier.
Frequently Asked Questions
What is the biggest cost driver in structural steel?
Usually labor. AISC states that fabrication and erection are often 70 percent or more of the steel package cost. That's why piece count and connection complexity matter more than raw tonnage for VE.
Does using lighter beams save money?
Sometimes, but less than people expect. A lighter section saves only the material difference, while shop and erection labor stay about the same. Removing stiffeners or whole pieces usually saves more.
When should a fabricator be involved in value engineering?
As early as possible, ideally during design development. Ideas like braced frames instead of moment frames need design time. On bid day, stick to alternates that don't need a redesign.
Can a fabricator change member sizes as VE without approval?
No. Any change to member sizes, connections or the structural system needs the engineer of record's approval. Offer VE as priced alternates and let the design team accept or reject them.
How do you show VE savings to an owner?
List each idea as a separate alternate with a clear description and a deduct amount. Keep each one traceable to a change in the member list so the owner can accept some and reject others.
Bottom line
The best steel VE ideas take labor out: fewer pieces, fewer stiffeners, repeated connections, less field welding. Price them as clear deducts from a member list the engineer can check. If re-running the takeoff is what slows your VE pricing down, try it in SteelFlo on your next bid and compare the alternate against base in the same session.