Civil Engineering Reference
In-Depth Information
FIGURE 2.2
The location of the drill
bits forced excessive reaching and
required great caution. After the
modification, drill bits were located
closer to drills, thus reducing reach.
SPECIFIC PROBLEMS
Besides the general problems identified, there were specific problems at several
workstations. At one work station, operators supervised a machine which was used to
drill holes in boards. To replace the drill bits the operators had to bend over the machine
(see Figure 2.2). They also had to bend very carefully to prevent the drill bits from
sticking into their stomachs. The machine was changed. On the new machine the drill bits
were relocated, which made them easier to reach, besides improving work posture.
Equally important was that they made the work easier to do; it saved about 1.5 minutes
