Page 438 - Trenchless Technology Piping Installation and Inspection

388 Cha pte r Ni ne

• Sources of high temperatures that could result in burns, eye
injuries or fire
• Types of chemicals used in the workplace
• Sources of harmful dusts
• Sources of light radiation, such as welding, brazing, cutting,
furnaces, heat treating, high-intensity lights, and the like
• The potential for falling or dropping objects
• Sharp objects that could poke, cut, stab, or puncture
• Biologic hazards such as blood or other potentially infected
material.
When the walk-through is complete, the contractor should organize
and analyze the data so that it may be efficiently used in determining
the proper types of PPE required at the work site. The contractor
should become aware of the different types of PPE available and the
levels of protection offered. It is definitely a good idea to select PPE
that will provide a level of protection greater than the minimum
required to protect employees from hazards.
The workplace should be periodically reassessed for any changes
in conditions, equipment, or operating procedures that could affect
occupational hazards. This periodic reassessment should also include
a review of injury and illness records to spot any trends or areas of
concern and taking appropriate corrective action. The suitability of
existing PPE, including an evaluation of its condition and age, should
be included in the reassessment.
Documentation of the hazard assessment is required through a
written certification that includes the following information:
• Identification of the workplace evaluated
• Name of the person conducting the assessment
• Date of the assessment
• Identification of the document certifying completion of the
hazard assessment

9.3.3 Risk Assessment
The risks involved mainly concern the unforeseen circumstances that
the construction may encounter during a trenchless project. Even if
the soils have been identified and the trenching method outlined by
the design firm in the construction contract, classifying and identify-
ing risks by the construction company is the first step before under-
taking any trenchless job. Secondly, the impact of each risk should be
quantified and assessed. Finally, the mitigation and control of the
risks identified should be finalized.