For Motor B, the explosion load must be from the outside. Deflection of a pipe can be used as a damage indicator. Damaged ordinary window glass can be used to estimate blast wave, i.e. size of cloud and maximum pressure in an explosion area, as discussed in Chapter 7 . Size of the window, thickness of glass, type of glass and percentage of windows broken should be recorded. 14.4 Guidelines Know the company's emergency plan and procedure for accident investigation.
Accident investigation has to be co-ordinated with other activities.
Make an open report of the findings from the investigation.