Avalanche risk assessment - Ministry of Forests, Lands and Natural ...
Avalanche risk assessment - Ministry of Forests, Lands and Natural ...
Avalanche risk assessment - Ministry of Forests, Lands and Natural ...
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Risk management typically involves<br />
six steps (Figure 76). Risk<br />
communication with all stakeholders<br />
is an important part <strong>of</strong> each<br />
step.<br />
Risk <strong>assessment</strong> is regarded as a<br />
continuous iterative process (Figure<br />
77). The monitor <strong>and</strong> review<br />
process is important because<br />
ongoing forest development may<br />
increase the avalanche <strong>risk</strong> over<br />
time. Review gives management<br />
verification as to the success <strong>of</strong> <strong>risk</strong><br />
reduction strategies in use. Continuous<br />
<strong>risk</strong> <strong>assessment</strong> not only<br />
applies to the day-to-day evaluation<br />
<strong>of</strong> snow stability <strong>and</strong><br />
avalanche danger, but also to the<br />
overall avalanche <strong>risk</strong> in an operating<br />
area over time.<br />
Forest managers should watch for<br />
“insidious” <strong>risk</strong>s that may develop<br />
as harvesting moves onto higher,<br />
steeper terrain or, locally, where<br />
steep blocks are harvested above<br />
camps, mills, scales, residential<br />
areas, transportation corridors,<br />
bridges, or power lines.<br />
Once a detailed <strong>risk</strong> <strong>assessment</strong> is complete, an experienced avalanche<br />
practitioner should be consulted to develop a suitable winter safety<br />
program.<br />
Responsibility for Risk Management<br />
<strong>Avalanche</strong> <strong>risk</strong> management is everyone’s responsibility. Risk management<br />
should be integrated <strong>and</strong> owned throughout a company or<br />
operation. A sound objective is to develop a corporate safety culture<br />
above <strong>and</strong> beyond Workers’ Compensation Board requirements. There<br />
should be one, clearly identifiable individual who assesses the overall<br />
situation each day during the avalanche season. That person shall be<br />
Chapter 3 <strong>Avalanche</strong> <strong>risk</strong> <strong>assessment</strong> 55<br />
Risk communication<br />
⇔<br />
⇔<br />
⇔<br />
⇔<br />
⇔<br />
⇔<br />
Establish the context<br />
Identify the <strong>risk</strong> (“what if”)<br />
Analyze the <strong>risk</strong><br />
Assess the <strong>risk</strong><br />
Treat the <strong>risk</strong><br />
Monitor <strong>and</strong> review<br />
figure 76 Steps in the <strong>risk</strong> management decisionmaking<br />
process. (After Canadian St<strong>and</strong>ards Association<br />
1997, p.7; Keey 1998)<br />
Act<br />
Observe<br />
Assess<br />
Analyze<br />
figure 77 Process <strong>of</strong> continuous <strong>risk</strong> <strong>assessment</strong>.<br />
(Elms 1998)