When Experience Isn’t Enough: Why Current Civil Engineering Standards Matter More Than Years of Practice

What did we find on that California plan set?

A cover sheet that did not meet current California requirements. During a routine plan review on a California water infrastructure project, my team pulled the set and stopped.

It mixed hand-drawn elements with CAD work. The formatting was inconsistent from sheet to sheet. Most important, the earthquake design data was missing entirely.

A quick license lookup showed the stamping engineer had been licensed since the mid-1980s. I am keeping the engineer and the project anonymous on purpose. The point is the practice, not the person.

What does California actually require on the drawings?

For buildings and structures, the design loads go on the construction documents. Section 1603 of the California Building Code requires the structural design data to be shown in the set, including wind design data and earthquake design data.

The earthquake data must be shown even when seismic loads do not govern the lateral design. It includes:

• Risk category and seismic importance factor
• Mapped and design spectral response parameters
• Site class
• Seismic design category
• The basic seismic force-resisting system
• Design base shear and the seismic response coefficients

Where the block sits, on the cover sheet or the general structural notes, is a firm standard. That it is in the set is the code. If your template still says "Seismic Use Group" or "occupancy category," it is older than the risk category language the code uses now.

The code also keeps moving. California's Building Standards Commission publishes a new edition every three years, and the 2025 California Building Standards Code took effect January 1, 2026.

Why does the license date matter at all?

Because the exam that tests California seismic knowledge came after many senior engineers were licensed. California's engineering board says state law requires civil engineering applicants to pass the state-specific Civil Seismic Principles and Civil Engineering Surveying exams.

Business and Professions Code §6755.1 ties that requirement to licenses issued from 1988 on, and confirms the board's authority for licenses issued earlier without it. An engineer licensed before 1988 is fully licensed. They just never had to prove what the newer exam tests, so keeping current is entirely on them.

What does falling behind cost?

Firms pay in rework, and owners pay in schedule. A set that is missing required information comes back. Every review round adds fees, carrying costs and strain with the client.

For the owner, a delayed approval can hold up the whole development. A set that looks dated also costs the firm credibility before anyone reads the engineering.

Why do experienced engineers fall behind?

Experience builds routines, and routines do not read code updates. I see three reasons.

• The experience trap. Decades of practice run on muscle memory. That is a strength in the field and a weakness when the code changed last cycle.
• Codes change on a schedule. An engineer licensed in the 1980s has lived through many building code editions. Each one moved something.
• Technology gaps. Engineers trained on drafting boards sometimes adopt CAD halfway. The result is a hybrid set that meets neither the old standard nor the new one.

How can you spot outdated practice in a plan set?

Here is the checklist I use. Answer each item yes or no. Two or more yeses means the set needs a hard look before it goes out.

1. Are hand-drawn elements mixed with CAD work?
2. Are line weights, text and sheet layouts inconsistent?
3. Is the title block missing information or incomplete?
4. Is required design data, such as the earthquake design data, missing?
5. Does the set cite superseded codes or old terminology?
6. Do the calculations use criteria from a previous code cycle?
7. Does the engineer resist electronic files or current CAD standards?

How do firms stay current?

With systems, not good intentions. The firms that stay current build it into how they work:

• Ongoing training on code updates and board requirements for every level of staff, not one conference a year.
• Templates that carry the required blocks by default, so nobody has to remember them.
• Peer review and a QC checklist before anything leaves the office.
• Current CAD standards and automated checks, with AI-assisted QC as one more layer. Less admin, more engineering.

When we found the problems on that California set, we did not just mark them up. We brought the plans to current standards, added the required information, and resubmitted. It passed review without comment.

Is experience still worth paying for?

Yes. It just is not enough on its own anymore. Experience is how you read a site, anticipate a contractor's problem and steer a messy project home. Nothing replaces that.

The engineers worth hiring combine that judgment with today's code. Before your next submittal, ask: when did we last audit our templates against current requirements, and who checks that our senior people are current?

Limits: this is one project, told from my side and kept anonymous. Which code sections apply depends on what is in the set, and your local building official has the final word.

Frequently asked questions

Does the California Building Code require seismic data on the cover sheet?

It requires earthquake design data on the construction documents for buildings and structures, under Section 1603. The code does not fix the sheet. Many firms put it on the cover or the general structural notes.

What is a risk category?

It is the building code's way of sorting buildings and structures by the risk if they perform badly, and it sets the importance factors used in seismic and other load calculations. It replaced the older term occupancy category, which had itself replaced Seismic Use Group.

Do engineers licensed before 1988 have to take California's seismic exam?

No. Section 6755.1 applies the requirement to licenses issued on or after January 1, 1988, and confirms licenses the board issued earlier on exams without those questions. Staying current is up to the engineer.

I run a small civil firm and one of our senior PEs still stamps sets from a 15-year-old template. How do I bring it current without insulting anyone?

Make it about the template, not the engineer. Audit the template against the current code edition, update the required blocks, and run every set through the same QC checklist, theirs included. Ask the senior PE to review the updated version.

I'm a developer in California, and my engineer has been practicing for 40 years. How can I tell whether his plans meet current standards?

Ask which code edition the set is designed to, and check for the design data block on the drawings. A recent rejection for missing information is also a signal. A second-opinion review before submittal catches gaps before the reviewer does.

Related resources

• Why Our Senior Engineers Are Not Expensive CAD Operators
• The Rejection That Costs You Three Weeks Is Almost Never an Engineering Mistake
• Your Most Expensive Engineer Spends the First Hour of Every Review on Work That Doesn't Need a License
• The Future of Civil Engineering

Worried your plan sets are behind current code?

We pair senior judgment with current standards on every set, from our offices in McKinney, Texas, Golden, Colorado and San Jose, California.

We specialize in:

• Water engineering
• Wastewater engineering
• Site civil engineering for land development
• Construction administration
• Specialty scope and overflow production for engineering firms

Modern Engineering Solutions, McKinney, Texas. Contact: (214) 833-6748 or mod-eng.com