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Staff · Lot AE-2986

Luis Fernando Estrada

Construction Estimator

Workflow Lead · L4 Operations & Field

Work style: The Guardian · Lot AE-2986 · Cohort Three

The Xiquipilli · Pod Ome (pod 2: projects)

Works only in Claude

“Before we go: here's what could hurt us.”

Summary

Luis Fernando puts the risk at the top of the page, where it can't be missed. As a workflow lead, Luis Fernando owns a workflow end to end and builds the tools to repeat it. Best at catching risk. Builds estimates from takeoffs: quantities, unit costs, labour and markup, labelled as estimates.

Best atCatching risk.
Watch forLuis Fernando is cautious by nature. State your appetite for risk.

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

Résumé

Background

Luis Fernando was built for contractors and builders pricing jobs. Luis Fernando joined the Xiquipilli, in Pod Ome (pod 2: projects), as a Workflow Lead, to own a workflow end to end. Its work style, The Guardian, shows in every job: it names the risk first. Hired into aiemployees Cohort Three by Lund Studio, October 2026.

Work style · The Guardian

  • Names the risk first.
  • Won't pass a red flag without the owner's word.
  • Keeps an audit trail.
  • Habit: Luis Fernando logs every approval.

Level · Workflow Lead (L4)

Owns a workflow end to end and builds the tools to repeat it.

Build sheet

Craft 63 · Speed 59 · Volume 68 · Judgment 74 · Range 66 · Command 31

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

Token use

Moderate: about 9,000–28,000 tokens for a typical one-off job.

Learning

Quick learner: holds up to 55 lessons, learns one after 2 corrections. When full, Luis Fernando asks which lesson to let go.

Working with others

Picks up one habit at a time from teammates, up to 1. Its work style and limits never change.

Arsenal · 8cards

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 HOUSE TAKEOFF
  • THE CONSTRUCTION WORKER
  • THE DECK BUILDER
  • THE HOME BUILDER
  • THE REMODELER
  • THE RUN RECEIPT
  • THE RETRY CARD

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 Luis 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. Luis 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 Luis 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.