I’m going to start a series of posts on the type of observations that can be useful in Lean work, and on the forms that are often used to collect and display the information. In advance of that, I want to write about observation etiquette. In an ideal state, everyone in a work area knows…
This blog is written in WordPress, and on the WordPress dashboard, you can see a list of search terms people used to reach the site. One recent search term caught my attention – ‘RPIW improvement conflict‘. I don’t know the context in which term was used, or where in the world it was typed, but…
Lean in health care focuses on value to patients. It seeks to reduce waste, and to improve flow, quality and safety. The series of processes that link together to deliver a service to a patient or to an internal customer are termed a ‘Value Stream’. Thomas Jackson’s book ‘Mapping Clinical Value Streams‘ is a good…
‘Learning to See‘, by Mike Rother and John Shook, was published two decades ago. As far as I know it was the first book to discuss Value Streams. A Value Stream in Lean is the series of operations that, together with the skilled staff, required equipment and materials, combine to deliver the required product or…
Supermarkets turn up in Lean descriptions from time to time. Taiichi Ohno is often said to have come up with the idea for kanbans after seeing an American supermarket. Other authors suggest that Ohno had not been to the US at that time, and had the idea after reading about supermarkets, rather than seeing one.…
Flow is a key issue in Lean services. Moving away from batching and towards one piece flow is a good place to start. This is often combined with levelling. In levelling you smooth flow and even out the peaks and troughs in demand. In effect you convert uneven demand in to level operations. This can…
Takt time is the beat of a service – the overall rate at which it needs to function to keep up with demand. Calculating takt time can be tricky if you haven’t done it before. This post describes how to work it out, step by step. Step One: Work out the service demand What is…
