Value Stream Mapping

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Value Stream Mapping Prof. N.Raghavan Value Stream Mapping (VSM) Definitions • Value: What the Client wants from the process • Value stream: Includes all the processes and activities used to design, produce and deliver the product or service to the Client. --- All the steps – both value added and non value added – required to take a product or service from its raw materials state into the waiting arms of a happy customer. • Value Stream Map: Special type of flow chart that uses symbols from the “Language of Lean” to depict and improve the flow of inventory and information. Typ. VSM Value Stream • “Whenever there is a product for a customer, there is a value stream. The challenge lies in seeing it.” -Learning…show more content…
Create a Future State Value Stream Map • Now that we have a better understanding of the current state of affairs, we are ready to draw a picture of how we would like things to look in the future. • Typically, as an example, we aim to make things flow and reduce the amount of inventory or waiting in between steps. • It’s at this point that we can create an ideal work process. Create an Action Plan • Now that we know how things are working today and how we would like to see them working in the future it’s time to form a plan. • There are a variety of templates available for this. We should know exactly what needs to happen and when it needs to happen. • In short, we form the plan… then execute the plan! • VSM procedures For making the improvements, some examples: – Use Work (Time, Motion, ..) studies to identify NVAs & eliminate them – Modularisation / Standardisation – Design changes to improve Constructability – Off-site fabrication and assembly – Reducing Batch size – E.g., going in for multiple smaller batching plants in the site to enhance flexibility in delivery of concrete mix. – Bringing closely interconnected operations (E.g. Formwork, reinforcement and concreting) under supervision of one agency – Implementing pull system through Kanban Cards (E.g. Block work, formwork etc) for better control on inventory management at the central storage yard, smooth logistics within site and for avoiding
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