week 9 - capacity management & work system

Question 1

what are the factors of capacity (7)?

Answer 1

1. time for transforming inputs into outputs
2. amount of ressources
3. potential stoppage or slowdowns
4. hours worked
5. range of product & batch sizes
6. transformation process *
7. learning curve *
   *important

Question 2

design of work system objective?

Answer 2

> eliminate any useless operation
WORK SMARTER,NOT HARDER

Question 3

what are the symbols in a flow chart and what do they mean?

Answer 3

demi-🟣 = delay
🔵 = task
🟧 = inspection
🔻= storage activity
🔹= alternative
➡️ = transportation

Question 4

what’s work measurement ?

Answer 4

> determine how long it should take to process a unit at each of its production stages

Question 5

how to work measurement?

Answer 5

1. elemental time files : no need for observations
2. work sampling 👀 : ratio delay (% of time a worker is delayed)
3. time study* = observed time (OT) -> perfo. rating (PR) -> normal time (NT) -> allowance factor % (AF) -> standard time (ST)