Protected demand adds absolute safety stock to lead-time demand.

highlighted = computed this step

Safety Stock

Safety stock is 60 units.

safety stock=60\text{safety stock}=60
Protected demand and cardsThe table shows protected demand and exact card count.base kanban cardsvaluelead demand480protected demand540cards18

Protected Demand

Protected demand is 540 units.

480+60=540480 + 60 = 540
Kanban cardsThe chart displays base and what-if protected demand and cards.kanban card countlead demand 240 x 2 = 480protected 480 + 60 = 540; container 30base protectedbase protected 540what-if protectedwhat-if protected 300base cardsbase cards 18what-if cardswhat-if cards 10caseleadlead demandsafetyprotectedcardsbase24806054018what-if12406030010deterministic kanban sizing arithmetic only