2.2. CJSA step 2 – Assessment
The second step of the CJSA procedure seeks to determine the
following information about the activities that were detailed in
the first step:
1. The expected rate of occurrence for each possible loss-of-control
event.
2. The degree of influence of the different managerial and environmental
factors that affect the expected rates of occurrence.
3. The expected degree of use of personal safety gear.
Fig. 3 provides a flow chart for this step. The information is collected
by means of an extensive survey that is conducted through
face to face interviews with construction superintendents. The survey
instrument is a set of structured questionnaires, one for each
activity type. The questionnaires can be produced automatically
from the database of activities, sub-activities, stages, typical loss-