Week 3 — RO/DI Build + Maintenance (Lesson)

Build outcome

A leak-free RO/DI system with a known flow path and a known TDS output.

Build SOP

Maintenance habits

• check TDS before jobs
• service carbon/membrane/resin based on performance
• store out of sun; protect from freezing

Do this next (assignment)

• Run this lesson on a real job or a mock walkaround.
• Capture a Proof Pack for the scenario.
• Do the Final Walk.

References (SOPs + checklists)

• Proof Pack SOP: 04_sops/proof-pack/proof-pack-sop-v1.md
• Final Walk checklist: 04_sops/universal/final-walk-checklist-v1.md

Printables

• Operator Checklist Pack (truck copy): 03_curriculum/printables/operator-checklist-pack-v1.md

Gear Box (Amazon)

Gear Box links (Amazon): Coming soon.

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