QUESTION $4$

$(15$ Marks$)$

The Basic Block Company needs to produce $4000$ boxes of blocks per $40-$hour week to meet

upcoming holiday demand. The process of making blocks can be broken down into six work

elements. The procedure and time requirements for each element are as follows.

Table $2$: Work Elements of the block making problem

i$.$ Draw and level a precedence diagram for the production process

ii$.$ Calculate the desired cycle time required for the line.

iii. Calculate the theoretical minimum number of workstations

iv$.$ Which work elements must form the workstations computed in $($iii$)?$

v$.$ Estimate the efficiency of the production line.

$(4$ Marks$)$

$(2$ Marks$)$

$(2$ Marks$)$

$(4$ Marks$)$

$(3$ Marks$)$