Cad Estimator

Cad Estimator handles the documented tasks here and the page gives 20 real tasks for hands-on practice. Each example names the main beneficiaries and what a successful result feels like. Each one shows where we found it, and comes with an AI prompt you can copy and use straight away.

20evidenced tasks
20ready prompts
6tools of the trade
17-3013.00O*NET-SOC code
39,960hold this job (US, BLS 2025)
$71,550median pay/yr (US)
Open Cad Estimator in the interactive atlas →

What it pays

Government survey numbers — not estimates, not ads.

Half of all Mechanical Drafters in the U.S. earn more than $71,550 a year — the middle 80% land between $48,360 and $106,580. About 39,960 people in the U.S. do this work. Figures are for the U.S. occupation group “Mechanical Drafters”. (U.S. Bureau of Labor Statistics survey, published 2025.) In India, Professionals earn about ₹38,298 a month on average — around ₹4.6 lakh a year (government PLFS survey via ILOSTAT, occupation-family figure).
$71,550typical pay / year
39,960people in this work
$106,580+top 10% earn
₹4.6 lakha year in India (family avg)
Think you get this job?Six quick questions on how it really works — with a hint and the reason behind every answer.
Test yourself →

The work, task by task

These are the real jobs-to-be-done, not a wish list. Each task shows where we found it, and the prompt underneath is written for that exact task.

Analysing2

Use CAD or conventional drafting tools

+
Prepare detailed working drawings for the switchgear room showing single-line diagrams, panel elevations,…
Prepare detailed working drawings for the switchgear room showing single-line diagrams, panel elevations, conduit runs and cable schedules, dimensioned to field survey values and ready for tender issue by Thursday noon.
The tools that do the workAutodesk AutoCADjob descriptionsO*NETWikipedia

Design electrical and electronic systems

+
Produce design drawings for the lighting, power and control systems for Building B including load…
Produce design drawings for the lighting, power and control systems for Building B including load calculations, circuiting, conduit routing and device schedules so the MEP engineer can review next Wednesday.
The tools that do the workAutodesk Revitjob descriptionsO*NETWikipedia
Keeping the record2

Review drafts and measurements for compliance

+
Review the architect's floor plans and site survey against our as-built measurements, flag any noncompliant…
Review the architect's floor plans and site survey against our as-built measurements, flag any noncompliant runs or discrepancies greater than 10 millimetres, and produce a mark-up report for procurement by Friday.
The tools that do the workBentley MicroStationjob descriptionsWikipedia

Check drawings for errors and inconsistencies

+
Audit the set of construction drawings for missing dimensions, mismatched cable types, and inconsistent panel…
Audit the set of construction drawings for missing dimensions, mismatched cable types, and inconsistent panel schedules, list each error with drawing number and suggested correction, and send to design lead today afternoon.
The tools that do the workAutodesk AutoCADjob descriptionsWikipedia
Make2

Specify dimensions and materials for new products

+
Specify all conduit sizes, cable types, tray capacities and material finishes for the new control panels,…
Specify all conduit sizes, cable types, tray capacities and material finishes for the new control panels, include standard part numbers and gauge dimensions so purchasing can quote by Monday.
The tools that do the workDassault Systemes SolidWorksjob descriptionsO*NET

Draw and create blueprints

+
Produce full set of blueprints for the tender package: site plan, floor plans, wiring diagrams, panel…
Produce full set of blueprints for the tender package: site plan, floor plans, wiring diagrams, panel schedules and isometric risers, checked to the latest revisions and plotted at 1:50 scale by Friday.
The tools that do the workAutodesk AutoCADESCOO*NET
The daily work14

Work under supervision of engineers

+
Work under Engineers Mark Chen and Lucia Patel to check estimated quantities and assumptions on the panel…
Work under Engineers Mark Chen and Lucia Patel to check estimated quantities and assumptions on the panel schedule, flag conflicts in the single-line diagrams, and return annotated calculations by Wednesday for their sign-off.
The tools that do the workAutodesk AutoCADjob descriptionsWikipedia

Position instructions and comments onto drawings.

+
Place concise instruction bubbles and numbered comments onto the room layout and conduit plan so installers…
Place concise instruction bubbles and numbered comments onto the room layout and conduit plan so installers understand routing changes, tie each note to the drawing revision table, and circulate the annotated sheets to Site Foreman James by end of day Friday.
The tools that do the workAutodesk AutoCADO*NET

Shade or color drawings to clarify and emphasize details and dimensions or eliminate background, using ink, crayon, airbrush, and overlays.

+
Apply grey fills and hatch patterns to obscure background layers, hand-tone critical clearance zones with…
Apply grey fills and hatch patterns to obscure background layers, hand-tone critical clearance zones with transparent color overlays, and produce a print-ready shaded set highlighting clearance and dimension callouts for the procurement pack on Monday.
The tools that do the workAutodesk AutoCADO*NET

Create production molds

+
Update the drawing register and archive revised panel schedules with new revision codes, attach the updated…
Update the drawing register and archive revised panel schedules with new revision codes, attach the updated bill of materials, and push the revised PDFs to the project document folder so Project Controls can pull the new baseline tomorrow morning.
The tools that do the workMicrosoft OfficeAutodesk AutoCADjob descriptions

Update and maintain drawing records and documentation

+
Review the prototype layout with Manufacturing Lead Omar, mark manufacturability concerns on the parts…
Review the prototype layout with Manufacturing Lead Omar, mark manufacturability concerns on the parts drawing, suggest hole-size and tolerance tweaks, and send the annotated pack back to the shop for a quick feasibility mock-up by Thursday.
The tools that do the workDassault Systemes SolidWorksWikipedia

Electrical equipment regulations

+
Check the electrical equipment schedule against current UK wiring regulations, flag any noncompliant items…
Check the electrical equipment schedule against current UK wiring regulations, flag any noncompliant items with clause references, estimate required modifications and labor hours, then return a marked-up schedule and a one-page risk note for procurement by Thursday.
The tools that do the workAutodesk RevitESCOsee the evidence ↗

Model electromechanical systems

+
Create a coordinated model of the building's electromechanical systems showing cable routes, equipment…
Create a coordinated model of the building's electromechanical systems showing cable routes, equipment mounting clearances and panel connections, resolve clashes with structure, and export a labelled drawing set and material takeoff for costing by Monday.
The tools that do the workAutodesk AutoCADAutodesk RevitESCOsee the evidence ↗

Create technical plans

+
Produce full technical plans for the new electrical fit-out at 48 Westcombe Street showing cable routes,…
Produce full technical plans for the new electrical fit-out at 48 Westcombe Street showing cable routes, panel schedules, conduit sizes and dimensioned plan and section drawings ready for issue to site by next Wednesday after I review them.
The tools that do the workAutodesk AutoCADESCOsee the evidence ↗

Interpret electrical diagrams

+
Review the lighting and power schematics for the 3rd floor at 48 Westcombe Street, mark up any discrepancies…
Review the lighting and power schematics for the 3rd floor at 48 Westcombe Street, mark up any discrepancies between the single-line diagrams and the floor layout, produce an annotated sheet noting missing circuits and submit for engineer sign-off by Friday.
The tools that do the workAutodesk AutoCADESCOsee the evidence ↗

Use technical drawing software

+
Set up the project drawing file with correct layers, title blocks, scales and blocks for outlets, switches…
Set up the project drawing file with correct layers, title blocks, scales and blocks for outlets, switches and panels, then draft the floor electrical layout consistent with the schematic so quantities can be pulled for next Monday’s takeoff.
The tools that do the workAutodesk AutoCADESCOsee the evidence ↗

Design electromechanical systems

+
Design the electromechanical riser and plant room arrangement for the ground to roof services, coordinate…
Design the electromechanical riser and plant room arrangement for the ground to roof services, coordinate duct, cable containment and equipment clearances, and deliver a coordinated riser drawing and equipment schedule by close of business Thursday.
The tools that do the workAutodesk RevitESCOsee the evidence ↗

Design drawings

+
Produce detailed construction drawings for the lighting, power and small power layouts for Block B including…
Produce detailed construction drawings for the lighting, power and small power layouts for Block B including keynotes, circuit numbering and installation details so the contractor can price works before Wednesday’s tender close.
The tools that do the workAutodesk AutoCADESCOsee the evidence ↗

Electrical engineering

+
Prepare the electrical engineering calculations and schematic single-line for the new subdistribution to…
Prepare the electrical engineering calculations and schematic single-line for the new subdistribution to serve floors 1–5, include load schedules, fault level checks and cable sizing, and export a sign-off pack for the consulting engineer by Friday.
The tools that do the workMicrosoft ExcelAutodesk AutoCADESCOsee the evidence ↗

Collaborate with manufacturing teams to ensure design feasibility

+
Review the latest assembly drawings and bill of materials from production, flag any features that add machine…
Review the latest assembly drawings and bill of materials from production, flag any features that add machine time or require custom tooling, propose three design changes to cut cycle time or cost, and confirm feasibility with Marcus in fabrication by Thursday.
The tools that do the workDassault Systemes SolidWorksWikipedia

Says who?

These are the pages we read to build this. Open any of them and check us.

Activities this job lives in

The human activities behind the tasks — each with its honest AI ceiling.

The logs, files & records this job keeps

Shared with other careers — the same record means something different in each.

Related careers

Same family of work — each with its own tasks and prompts.

The LLOS Work Atlas is the world's largest evidenced task library — a map of human work, with a ready prompt behind every task. 1,774 careers · every task named by the sources that witnessed it — O*NET, ESCO, real job descriptions, Wikipedia — and the deepest tasks by several at once. And it is honest about limits: where AI cannot help, the map says so.

The rest of the map

Same library, five ways in.

Copyright © LLOS.ai · 2026 — original pedagogy, voice, and design — all rights reserved.
Built on public evidence: O*NET®, ESCO, Wikipedia, U.S. Bureau of Labor Statistics, ILOSTAT. All sources & licenses