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Lean and Green

Using Value Stream Mapping to Identify Green Opportunities in your Process

How can your company reduce its energy related costs, reduce the impact of energy production on our environment and improve your profitability? 

Value stream mapping is a Lean process-mapping method for understanding the sequence of activities used to produce a product. During a Green and Lean technical review, you  use value stream mapping to identify sources of non-value added time or materials; identify opportunities to increase efficiency; and develop a plan for implementing improvements. Value stream maps serve as a critical tool during the review process and can reveal substantial opportunities to reduce costs, improve production flow, save time, reduce inventory, and improve environmental performance. Conventional value stream mapping can overlook environmental wastes, such as:

• Energy, water, or raw materials used in excess of what is needed to meet consumer needs
• Pollutants and material wastes released into the environment, such as air emissions, wastewater
discharges, hazardous wastes, and solid wastes (trash or discarded scrap)
• Hazardous substances that adversely affect human health or the environment during their use in
production or presence in products.

A Green and Lean Assessment  incorporates both “lean and clean” elements into its mapping techniques to help you:

• Recognize where environmental impacts occur in a product line.
• Quantify raw materials used by processes and compare it to materials actually needed to produce the product.
• Identify pollution and wastes generated by the production activities.
• Identify root causes of wastes and inefficiencies.

 Measuring Green Business

Tracking environmental data will allow you to perform a detailed cost benefit analysis of lean and clean opportunities. Clean improvements are a harder sell to decision makers without knowing the estimated environmental benefits of a proposed project.  The Green Calculator is an Excel-based tool that will shows you your current baselie, eztimates projected savings, and tracks actual reductions.

Metrics include:
Reduction in hazardous materials used
Reduction in non-hazardous materials used
Energy use reduced
Water use reduced
Reduction in waste (solid and Hazardous) generated
Wastewater discharged
Water polution discharged
Avoided purchasing and disposal costs
Total cost savings

And a way to calulcate your carbon footprint.
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