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In this section, an optimization of the future system is to be performed through the following steps:

 

•Extending the existing system

 

•Defining the cost data

 

•Grouping of pipes and assignment of cost data

 

•Defining candidate sizes for groups

 

•Defining the design loads/outputs

 

•Optimization settings and saving data

 

•Running the optimization

 

•Interpreting optimization results

 

•Selecting alternatives

 

 

Design Criteria:

 

For this exercise, PHF demand with minimum pressure requirement of 20 m throughout the system is defined as the first load case. The second load case is defined as the FIRE scenario, with 15 m throughout the system.

 

Both load cases will be considered while the pump is running, and the level in Tank 8 is 5 m.

 

At this stage, no consideration of pump cost, or tank cost, will be made. Only pipe sizing is evaluated.