DQ 1
Visual
Inspection in Overall Safety Inspection:
On
a regular basis, a visual inspection of the equipment is carried out to ensure
that it has not changed since it was first developed and set up; Examining the
system's capacity to operate may be affected by a variety of circumstances.
When doing a visual examination, take into account any building renovations or
changes in occupants. A fire alarm strobe light may have been rendered useless
due to a reorganization of the room's floor design. The devastation of the
natural environment should also be taken into consideration. The design spacing
of ceiling smoke detectors may be influenced by the expansion of cooling
systems to accommodate larger heat loads. As a last precaution, building owners
should do a visual inspection of their equipment to ensure that they are aware
of any changes that the control panel may not be able to detect via electrical
monitoring. (Limongelli et al.,2018)
There
are visual inspections in place to verify that any changes to the system or
associated equipment do not compromise its functioning. By looking around, inspectors
should begin their investigations: Detection and suppression systems for fires.
Remote panels may be equipped with announcement panels. Fire alarm boxes, smoke
detectors, heat detectors, and flow sensors for water are examples of starter
devices. There are several examples of these types of devices: fire-alarm
strobes, sirens, and speakers, for instance. In the course of the fire alarm
panel inspections, missing, broken, and obstructive equipment is addressed, as
well as defective indicators at the fire alarm control unit.
Nondestructive
testing techniques other than visual inspection alone may produce the same
level of quality outcomes. Despite an analyst's sharp eyes or years of
expertise, they may not see all of a product's problems. In spite of employing
visual aids and tools, little mistakes may quickly turn into major issues if
left neglected for an extended period of time. Visual inspection may be useful
in discovering and tracing existing problems at the beginning of a basic
evaluation. As a result, visual inspections are more cost-effective and
time-saving than other testing procedures. Non-destructive testing equipment,
on the other hand, has more defect identification and scanning capabilities
than traditional methods. A visual inspection is superior to eddy current
testing and ultrasound testing in terms of efficiency and convenience. High-quality
data and efficient testing procedures must be combined with visual inspections,
which have both advantages and disadvantages, for complete critical asset
inspections. (Ofstead et al.,2017)
References:
Limongelli, M. P., Miraglia, S., & Fathi, A. (2018). The value of
visual inspections for emergency management of bridges under seismic hazard.
Ofstead, C. L., Wetzler, H. P., Heymann, O. L., Johnson, E. A., Eiland,
J. E., & Shaw, M. J. (2017). Longitudinal assessment of reprocessing
effectiveness for colonoscopes and gastroscopes: results of visual inspections,
biochemical markers, and microbial cultures. American Journal of
Infection Control, 45(2), e26-e33.
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