20 Builder Trades

About

There are roughly 20 trades. If you count other required skills and integrated building practice - this list for OSE totals 31.

• See list of subcontractors - [1]

OSE Case - 31

General

These are 3 general skills, which are useful in all of the 28 other specific skills)

• Reading blueprints (OSE requires proficiency in exporting blueprints and BOM data from CAD files)
• General tool use and technique (about 30 power tools and about 30 other hand tools)
• Measuring, marking, squaring, aligning, design for tolerancing, trigonometry, and assembly concepts - as applied to modular design.

Site and Exterior

• Foundation and concrete
• Framing
• Grading and site prep
• Excavation - plumbing, electrical, water
• Roofing
• Gutters
• Doors and windows
• Siding
• PV
• Deck, Terrace, Carpeting
• Landscape
• Hardscape
• Garage Door and Opener
• Welding

Utilities

• Electrical
• HVAC - heat pump, vents
• Heat Exchange and thermal batteries
• Plumbing
• Technical (CAT 5, Automation, fire alarms)
• Lighting (interior and exterior)

Finishing

• Insulation
• Drywall
• Interior doors
• Interior trim
• Painting
• Kitchen countertops and cabinets
• Bathroom
• Tile
• Flooring

Links

• RLF Microskills
• 17 Trades
• Trades Statistics
• Coordination Between the Trades