Author Archive

Planning to meet the customer demand

Geoff Relph

Do you consider the Sales and Operations Planning to be a Value Add process or a necessary evil? In truth, the Sales and Operations Planning must be a value add process, as they mastermind the total supply chain.  Sales planning…

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Who Murdered MRP?

An Industrial Mystery! Case studies of common problems in Materials Requirements Planning and Business Systems – as told by hard-boiled detective Conrad Sultant. These tongue-in-cheek stories by Geoff Relph and Robert Irwin first appeared in Control, the journal of the…

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Professional Inventory Management

Geoff Relph

Authors: Geoff Relph; Witek Brzeski, Gail Bradbear It can be difficult to determine when stock is at the optimum level as this is influenced by numerous factors including batching policies, the work centre capability, safety policies and production methods.  The…

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The First Steps to Inventory Management

Authors: Geoff Relph, Witek Brzeski, Gail Bradbear Holding inventory is often interpreted as carrying an asset but also means carrying risk in terms of obsolescence, deterioration and quality faults. In financial terms inventory impacts the balance sheet, cash flow and…

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Overage Inventory – How does it occur and why is it important?

Authors: Geoff Relph and Peter Barrar Abstract Well planned inventory is important to the successful operation of most healthy businesses.  What this means is that planning needs to be carried out to deal with three conditions; the possibility of too…

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Multi-item Inventory Control: the K-Curve Methodology

Geoff Relph

Author: Maike Schwarz Abstract: This article deals with the problem of optimally coordinating the replenishment in a multi-item stock-keeping environment.  The K-Curve Methodology represents a way to classify all items into a given number of classes with a common order…

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