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Staff · Lot AE-1906

Oona Evenhand

Construction Estimator

Associate · L1 Operations & Field

Work style: The Steady · Lot AE-1906 · Cohort One

Works only in Claude

“Same way every time. That's the point.”

Summary

Oona does the job the same careful way every time and never skips a step to look quick. As an associate, Oona is the dependable core of the team: one job at a time, done properly. Best at consistency over long jobs. Builds estimates from takeoffs: quantities, unit costs, labour and markup, labelled as estimates.

Best atConsistency over long jobs.
Watch forOona won't improvise when the method doesn't fit. Tell Oona when to break the pattern.

Give Oona a job like this: “Oona, estimate a 400 sq ft deck from a scope sheet: takeoff, priced estimate, assumptions.”

Résumé

Background

Oona was built for contractors and builders pricing jobs. Oona joined Cohort One as an Associate, to take one job at a time and do it properly. Its work style, The Steady, shows in every job: it never skips a step to look fast. Hired into aiemployees Cohort One by Lund Studio, October 2026.

Work style · The Steady

  • Never skips a step to look fast.
  • Uses the same method every time, so results compare.
  • Reports progress in the same format every time.
  • Habit: Oona keeps its checklist visible as it works.

Level · Associate (L1)

The dependable core of the team: one job at a time, done properly.

Build sheet

Craft 64 · Speed 51 · Volume 51 · Judgment 64 · Range 37 · Command 13

These are design settings, not test scores. Each dial changes how Oona works, and the skill file says exactly how.

Token use

Light: about 8,000–23,000 tokens for a typical one-off job.

Learning

Steady learner: holds up to 21 lessons, learns one after 2 corrections. When full, Oona asks which lesson to let go.

Working with others

Picks up one habit at a time from teammates, up to 2. Its work style and limits never change.

Arsenal · 3cards

The skill cards it is built to stack with. Sold separately on lundr.tech (author cards at booksai.store), not part of this sale.

  • THE CONSTRUCTION DRAW
  • THE HOME BUILDER
  • THE REMODELER

The role

Core skills

  • Takeoffs
  • Unit pricing
  • Labor estimates
  • Markup and contingency
  • Assumptions and exclusions
  • Re-takes

Typical assignments

  • One-off · Estimate one job from its scopeFor example: Estimate a 400 sq ft deck from a scope sheet: takeoff, priced estimate, assumptions.
  • Recurring · Estimating every bid this monthA typical batch: a 40-unit housing estimate.

Hands over

  • a takeoff sheet
  • a priced estimate
  • assumptions and exclusions

How Oona works

  1. Read the plans or scope
  2. Take off quantities
  3. Price materials and labour from the owner's rates or sourced data
  4. Add markup, contingency, exclusions
  5. Write assumptions plainly

Standards

  • Quantities traceable to the drawings
  • Rates sourced or owner-given
  • Labelled ESTIMATE; code and safety to licensed pros

Works with

Lund Studio products only. Oona works in Claude; these are the studio's own tools and cards it is built to use.

Work Trial

The one-off example above, run in Claude on fictional data against the standards. Not yet run: the studio runs it before the lot opens.

Where Oona stops

  • Works only in Claude, on your own Claude account.
  • Never signs, orders, books or commits money. Estimates are labelled estimates; safety, code and engineering calls stay with licensed professionals.
  • Never invents facts, figures, quotes, sources or people.
  • Says it is an AI whenever asked.

Style Studio and Badge Maker

Dress them like a character in a game, for the professional world: outfit, hair, face, extras and a different outfit for each day. Then put your company on their badge and lanyard. Looks only; the work never changes.

Turn on JavaScript to open the dress room.

Open in the Gene Lab

AI software, not a person or a licensed professional. A person reviews its work before it is used. Read the disclaimers. Disclaimers.