Summary: Warehouse Distribution Science
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8 Layout of a piece-pick-from-carton area
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What is the most labor intensive activity in a warehouse?
Piecepicking -
8.1 What is a fast-pick area?
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What is a more detailed layout of the warehouse called?
Slotting -
Where does the cost of restocking depends on?
- Number of times of restocking
- Number of storage unites to be replenished
- When restocking occurs
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What are the two assumptions of the fluid model?
- Pick quantity never exceeds the full allocation of a SKU
- If a restock is triggered for a SKU, the entered restock quantity for a SKU can be carried in one trip.
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8.3.1 Minimizing labor to maintain a forward pick area
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What is the goal of allocating space among n SKUs
To minimize annual restocks -
How to calculate the volume of each SKU in the forward pick area in such a way to minimize labor?
Vi = sqrt(fi)/sum(j, sqrt(fj)) -
8.3.2 Two commonly-used storage strategies
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What two storage policys are there?
- Every SKU the same amount of space
- Equal time to supply each SKU
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What does the equal space allocations policy ignores?
All differences in SKU popularity and size -
What is folk wisdom but is actually wrong
Equal time allocations reduces restocks -
Which policy, equal time or equal space, require more restocks
Both policies require the same amount of restocks
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Topics related to Summary: Warehouse Distribution Science
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Layout of a piece-pick-from-carton area - How much of each SKU to store in the fast-pick area - Comparison with optimal
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Layout of a piece-pick-from-carton area - How much of each SKU to store in the fast-pick area - Reorder points and safety stock
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Layout of a piece-pick-from-carton area - Which SKUs go into the fast-pick area