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Zero waste, zero rubbish, exceptional sustainability. This reduces the principle of living with ‘zero waste’ into its simplest terms. It is a term that we want to add to our personal vocabulary, to guide us towards change and to guide our decisions within the company. We have already talked about how the word sustainability is the compass directing our choices in our day-to-day work, and now we will explain why zero waste is also so important to us.
Those who decide to live according to this theory try to eliminate, or at least minimise, the production of waste in their daily lives, plastic in particular. The ‘zero waste’ philosophy is based on the 5Rs of Bea Johnson, pioneer of the Zero Waste movement and blogger of the Zero Waste Home. There are five words, or concepts, which are the cornerstones of the Zero Waste philosophy. These are the 5Rs:
The community that has grown up around the Zero Waste philosophy has added a sixth R to these five principles: repair.
If, in everyday life, you can live without waste by following the 5Rs, in our company we adopt the 7 mudas of the lean system, which divides waste into seven categories.
The first is overproduction, i.e., generating more output than is needed for the next step in the process. The second is inventory, i.e., the accumulation of resources to be transformed, being transformed or already transformed. Having a large quantity of stock is, firstly, a cost for the company and, secondly, an obstacle to improvement because it contributes to concealing the production problems within the process. The third category is waiting, or rather, the periods of inactivity of the resources being processed or the transforming resources. This may be due to multiple factors, such as, for example, the depletion of materials, equipment failures, delays due to production batches, lack of expertise within the process and so on. The fourth category is transportation, specifically related to the movement of resources during processing. The fifth category is over-processing: the presence of processing steps resulting from inefficiencies in transforming resources or in the product and process design can generate non-value for the end customer. The sixth is motion, meaning the presence of any unnecessary, or even incorrect, movement within the workflow. The seventh category is defects and waste within the process: generating defective output means failing to adhere to the customer’s request and we are very aware this is far from what we have identified as value.
We start with an analysis called the VA-NVA analysis to create a report that identifies the classification of the processing stages and places them into three types (VA, NVA1 or NVA2 steps) and provides a great deal of information on the composition of the workflow.
The analysis consists of the following steps:
At its completion, the VA-NVA analysis leaves a useful database for the calculation of process balancing. We note the rate at which the market demands products (Takt Time) to calculate the minimum number of workstations and operators needed. For balancing each step, all that is needed is to move activities around to achieve a balance that closely matches the pace required by the market. Another great benefit that derives from this tool is the creation of ready-made timed sequences for the various workstations and the analysis also helps to understand the list of tools used and materials processed in the individual operations.
Venature’s is a brand
Veneta Sedie Snc
Venature’s deals with the design and production of wooden furniture. We cater to the big design brands and to those looking for a product that respects nature.
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