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C. Economic guidelines, Level 2: See worksheet 11 Results of this step 3: Now the new PSS concept has been elaborated and is described in detail using a system map, the description form as given in step 2, which was elaborated in this step 3, an advertisement for the new PSS system with all the arguments that are able to convince the customers. Next a final sustainability evaluation can take place to understand if your new PSS concept is really going in the right direction and is so promising that it should be materialised. We suggest using the following tool:
S TE P 4: E v a l u a t io n Detailed PSS
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Tool > Sustainability evaluation of detailed PSS
TOOL: SUSTAINABILITY EVALUATION OF DETAILED PSS Once the new PSS solution has been detailed and the implications are much clearer than in the previous phases it is time to do a final sustainability check, before it is decided to realise the solution and launch it on the market. For this, the three radar diagrams as introduced in step 2 can be used to check the improvement (or worsening) of the new solution compared to the existing reference situation that has been analysed in step 1. Please use the three radar diagrams, one for each sustainability dimension (environment, socio-cultural, economy) with the six sustainability criteria and assess the new PSS solution in comparison with the existing reference situation. You have to decide if the new solution is improving radically (++), improving incrementally (+), is on the same level (=), or even worse than the existing/ reference situation (-). To go more in detail here, you can use again the PSS Sustainability screen (see worksheet 7), this time to compare the two systems: the existing reference system that you analysed in step 1 and the newly developed PSS. Mark your decision for every criterion in the radar diagram and finally con-
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nect the marks to create the Sustainability Profile of the new solution compared to the existing system. Please use worksheet 12. If the evaluation has been done for all three sustainability dimensions it shows whether the new solution is really going into the right direction. The further to the outside of the radar the profile expands, the better the solution. It shows also if there are any weak points left that should be improved and eliminated before market launch. The Radars can also be used to compare different new PSS solutions, which deliver the same functional or satisfaction unit, with each other. Important aspects out of the evaluation should be integrated into the specifications for implementation. For example, if it is discovered that transportation is a critical issue, the specifications for implementation could ask for short transportation distances and efficient transportation means etc. Results of steps 3 and 4: Now the new PSS concept has been elaborated as much as possible to satisfy the customer’s/ consumer’s demands in order to be sustainable and profitable for the companies or consortium of companies offering it. It has been evaluated and compared with the existing reference system. According to the outcome of the evaluation the solution has been amended further. Next the company has to decide how to implement the new PSS solution. To do so the critical implementation issues must be identified for the new PSS. That is what we describe in the next step and that leads to successful implementation.
STEP 5: Planning PSS implementation Tools > List of specifications for PSS implementation > Business plan for new PSS After the final evaluation has been carried out and the new PSS concept has been evaluated as good enough to implement it in the market a lot of activities have to follow: > the consortium of companies has to be formed
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