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Home Introduction Data Collection and Estimation System's Dynamics Human Factor Analysis Queue Theory Multifactorial Design Life-Cycle Audit Economic Analysis Conclusion and recommendation Bibliography

The Conclusion
Now, we have to collect all pieces from each analysis together and summarize what we have found out. Based on human factor analysis, the seat at the library should have a height between 0.567 m and 0.615 m, 0.511 m depth and 0.366 m wide. From the queue theory analysis, the total waiting time in the system is 10 min for a period. In that analysis, we take the whole library as a service system. If we would like to reduce this waiting time, one way is using many single channels meaning that we should have separate library for different area of study which will significantly reduce the crowding at one library. ANU already has 5 libraries which mean the solution has been implemented for this aspect.
From the multifactorial design, we can see that if we increase the number of furniture in the library, it will significantly reduce the over demand issue. Thus, if we would like to balance out the library facilities, one way we can do is to provide more study space than more computers. From the survey result as shown in system's dynamics section, we can see there more and more people have laptops and some of them bring their own laptops to study. So, it is not necessary to buy more computers for the library.
From material audit, it is a wise choice to use timber over other metal such as Aluminium. This choice will save lots of energy and has little carbon dioxide emission. Thus, if a librarian wants to expand the study space of a library, he or she should buy furniture made of timber.
From the economic analysis, we can see that furniture has payback period of 7 days over computers. It also has less life-cycle costing compared to computers which require regular testing, maintenance and operating cost.

ANU
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