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    LEAN CONSTRUCTION

    The Two-Bin Kanban: Never Run Out of Consumables Again

    The Two-Bin Kanban: Never Run Out of Consumables Again

    02.05.26 12:00 AM/
    By Luke Davies

    How much time does your team waste chasing consumables? Gloves. Screws. Pens. Drill bits. Tape. Small stuff. But the frustration is massive.

    A coastal engineering business in Tasmania solved this with a dead-simple system: two-bin Kanban.

    How It Works

    1. Every consumable has two bins
    2. When the front bin empties, you pull it out
    3. Behind it is a second bin with more stock AND a card
    4. The card goes to the "on order" board
    5. Once a week, the apprentice walks the boards, collects the cards, fills out a tick sheet, and places the order
    6. When stock arrives, cards come off the board, product goes back in the bins

    5+ Years Running

    That's it. Running for over five years. No more chasing. No more "who used the last drill bit and didn't tell anyone."

    The discipline: when you see a card, it goes on the board. No exceptions.

    Set It Up This Week

    You could set this up on your building site with containers, labels, and a whiteboard. Apprentice does the run every Friday. How much time would that save you?

    About the Author

    Luke Davies

    Luke is the founder of Davies Design & Construction and author of Dream Home. He writes about home design philosophy, lean construction, and building businesses that put people first.

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