Layout Strategy $(6$ marks$)$

Hemo$-$tech, Inc., a biomedical technology and research laboratory, produces a standard blood

filtering device on an assembly line basis. Six basic tasks are performed along an assembly

line. The time to perform each task and the tasks that must immediately precede each task are

in the table below. Twenty pumps per $450-$minute day must be produced by the assembly

line.

$($a$)$ Draw the network diagram of the precedence relationships. $(2$ marks$)$

$($b$)$ How many workstations are required to meet the schedule? $(1$ mark$)$

$($c$)$ What is the cycle time required to meet demand? $(1$ mark$)$

$($d$)$ Balance this line using most following tasks heuristic. $(2$ marks$)$

Answer: