The fundamental problem of layout planning for assembly is to determine the minimum number of stations (workers) and assign tasks to each station so that a desired level of output is achieved.

... Defining the Layout Problem The fundamental problem of layout planning for assembly is to determine the minimum number of stations (workers) and assign tasks to each station so that a desired level of output is achieved. Notice several implications in this statement. First, the design focuses on achieving a desired level of productive capability.(output capacity). Second, if tasks are to be assigned to stations, the sequence of tasks must be considered. Which tasks must be done first, and which ones may follow? Finally, our concern is attaining desired output efficiently, without using unnecessary input resources. Capacity, Sequencing and Efficiency Let's illustrate these ideas with an example. A manufacturer is developing plans for a facility to make 320 aluminum storm windows. The desired minimum daily output capacity is 320 windows. Figure-I and Table-I show the tentative assembly line layout. The operations manager wants to know if this is a good design and if better designs are possible. A

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