#safety-stock

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記事（14）

Warehouse Safety Stock and Demand Variability: Stop Guessing and Price the Two Risks Separately

Warehouse safety stock and demand variability come down to two separate sums: how much demand swings, and how late deliveries run. Xiao Ma shares a small warehouse's spreadsheet method, ABC grading, and why ordering more often beats hoarding more.

2026-11-01

倉庫運営ノウハウ · 機能ゾーン計画

Warehouse Multi-Warehouse Network Design: How Many Warehouses, Where, and How to Split Orders

Let me tell you, after years on the road, the slowest part of a delivery is rarely the highway. This piece works through warehouse multi-warehouse network design: how many warehouses, where to put them, and how to split orders, before anyone signs a lease.

2026-10-30

倉庫運営ノウハウ · 在庫管理・棚卸

Seasonal Inventory Planning Warehouse Guide: How Much to Stock Before the Peak

Seasonal inventory planning warehouse decisions are won or lost on cash, not on gut feeling: a tiered stocking table, priced safety stock, and a hard post-season clearance timetable keep peak stock from becoming dead money.

2026-10-30

運営コンプライアンス · 輸入実務北米

Warehouse Equipment Spare Parts That Do Not Run Out: Wear Parts, Safety Stock, and Service Negotiation

Imported equipment fails when the replacement part is not on the shelf. This guide builds a warehouse equipment spare parts service network from real go-live experience: a wear-based parts list, three-tier safety stock, and local service contracts that promise response times, plus the mistakes to avoid before peak season.

2026-10-27

倉庫運営ノウハウ · 在庫管理・棚卸アジア

Chinese New Year Factory Shutdown: A Warehouse Inventory Planning Playbook for the Rush and the Shortage

Chinese New Year 2026 falls on February 17. Forget the freight forwarder's booking guide — a chinese new year factory shutdown warehouse inventory planning playbook written for warehouse operators: pre-holiday staffing, dock staging space, how many weeks of safety stock, the first post-holiday receiving wave, and tightening QC.

2026-10-19

倉庫運営ノウハウ · 海外倉庫アフリカ

Durban Port Congestion: When Ships Wait 10 Days at Anchor, How Importers Should Buffer Their Warehouses

Durban port congestion is still biting: the latest SAAFF/BUSA Cargo Movement Update (data through 15 October) shows 11 vessels at anchor off the Durban Gateway Terminal averaging 251 hours of waiting, with roughly 30,352 container moves still stuck on board. Trucking veteran Shifu Zhao breaks it down driver-style — the three bills a ten-day delay lands on the warehouse side, from port storage burning money by the day to idle trucks at the gate to the stockout bill nobody can calculate. Plus four practical tips: how many days of buffer stock importers should really hold, where to put it (hint: not next to the port), and how to read the weekly SAAFF/BUSA report yourself so you know exactly when to trim the buffer back.

2026-10-18

倉庫運営ノウハウ · 在庫管理・棚卸

How High Should Your Reorder Point Be? A Three-Parameter Formula That Settles the Safety Stock Bill

How high should your reorder point be? Lao Zhou breaks down the three-parameter formula — average daily demand × lead time + safety stock — with two real cost ledgers, a service-level Z table, and a counterintuitive verdict: an over-set reorder point saves stockouts but burns cash.

2026-10-17

倉庫運営ノウハウ · 在庫管理・棚卸

Inventory Stratification: Turning "a Pile of Stock" Into Three Layers, Each With Its Own Logic

Start with an observation. According to supply chain reports published by multiple research firms in recent years, average inventory days fo

2026-10-15

倉庫運営ノウハウ · 在庫管理・棚卸

Safety Stock Is Not Guesswork: The Math Behind 95% Service Level

How much safety stock do you really need? This article breaks down SS=Z×σd×√L into dollars and cents: moving service level from 95% to 99% adds 41% more safety stock — whether it's worth it comes down to one calculable formula.

2026-10-11

倉庫運営ノウハウ · 在庫管理・棚卸

How Much Safety Stock Do You Really Need? Run the Math Backward

One Ontario 3PL lost nearly $30,000 on a six-day stockout — while a year of safety stock on that SKU would have cost $1,715. A cost analyst's full teardown: the SS = Z × σd × √L formula with a worked example, marginal cost tables, ABC service tiers, and an Excel recipe for small warehouses.

2026-10-09

倉庫運営ノウハウ · 海外倉庫北米

Ocean Freight's 35-Day Pipeline: How Much Safety Stock Does Your Overseas Warehouse Really Need?

Run the numbers: what 35 days in transit really costs, and the formula that tells you exactly how much to stock.

2026-10-09

倉庫運営ノウハウ · 在庫管理・棚卸

In-Transit Inventory: How to Manage Stock That's Still on the Water

How do you account for stock that's still on the water? A 15-year trucking veteran breaks down in-transit inventory management: booking it from the FOB title-transfer date, tracking five arrival milestones, sizing safety stock against transit days — plus three practical rules each for shippers and warehouses.

2026-10-09

倉庫運営ノウハウ · 海外倉庫

Overseas Warehouse Safety Stock: How Much Buffer for a 35-Day Ocean Transit?

Ocean transit is 35 days — how much safety stock is "enough" without gambling? I put the stockout math and the overstock math side by side, unpack the safety stock formula in plain English, price out 95% vs 98% service levels, and hand you a per-SKU Excel method plus an ABC stocking playbook you can run next week.

2026-10-06

倉庫運営ノウハウ · 在庫管理・棚卸

Stop Guessing Your Safety Stock: Service Level, Demand Variability, Lead Time — Three Numbers, One Formula

Safety stock comes down to one line of math: the Z-score for your service level, times the standard deviation of demand, times the square root of lead time. Get those three numbers right and both stockouts and overstock get a lot rarer.

2026-10-05