HomeMy WebLinkAbout01-03-2017 Item 13, OlsonCOUNCIL MEETING:
ITEM NO.:
Council Memorandum
DATE: January 3, 2017
TO: Mayor and Council
FROM: Garret Olson, Fire Chief
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-3-I1
RE�.EIVED
JAN 03 2017
SLO CITY CLERK
Julie Cox, Administrative Analyst
VIA: Katie Lichtig, City Manager
SUBJECT: Council Agenda Item for January 3, 2017 City Council Business Item 13:
Local Hazard Mitigation Action Update
There are two corrections for this agenda item in the Council report packet
1. Page 263, correction on Goal 1, Objective 1.G (7th bullet)
Objective 1.G Due to the announced closure of Diablo Nuclear Power Plant, insure the
needs of the City of San Luis Obispo planning and response activities retain sufficient
support until all spent fuel rods are placed into dry Gast cask storage and the full
decommissioning of the two reactors is completed. (Added in 2016 annual update)
2. Page 264, Table 4-2 Hazard Prioritization Exercise Legend, highlighted in yellow
is information in Primary Impact Section of table and was omitted from
Attachment 2.
Table 4.2 Hazard Prioritization Exercise Legend
Impacts
Based on estimated likelihood of Based on estimated secondary impacts to
occurrence from historical data Score community at large considering economic
impacts, health impacts, and crop losses
(Unlikely (Less than 1% probability in next
1100 years or has a recurrence interval of 1
greater than every 100 years.)_
Somewhat Likely (Between 1 and 10%
probability in next year or has a recurrence 2
interval of 11 to 100 years.)
Likely (Between 10 and 100% probability in
next year or has a recurrence interval of 10 3
years or less.)
Highly Likely (Near 100% probability in next 4
year or happens every year.)
Negligible - no loss of function, downtime,
and/or evacuations
Limited - minimal loss of function, downtime,
and/or evacuations
Moderate - some loss of function, downtime,
and/or evacuations
High - major loss of function, downtime, and/or
evacuations
Score
1
2
3
Business Item 13: Local Hazard Mitigation Action Update Page 2
Affected Area Importance
Based on size of geographical area of
community affected by hazard
Score
Isolated
1
Small
Medium
2
3
La rge
4
PrimaryImportance
Impact
Based on percentage of damage to typical
facility in community OR impact to
Score
population
Negligible - less than 10% damage
1
Limited - between 10% and 25% damage
2
Critical — between 25% and 50% damage
3
Catastrophic — more than 50% damage
4
Survey Score = (Survey Rating / 3) x 10 where:
Survey Rating is the average rating of concern based on
a scale of 1 (low concern) to 3 (high concern) compiled
from the survey responses.
Total Score (Probability x Impact) + Survey Score,
Probability = (Probability Score x Importance)
Impact = (Affected Area + Primary Impact + Secondary
Impacts), where:
Affected Area = Affected Area Score x Importance
Primary Impact = Primary Impact Score x Importance
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Secondary Impacts = Secondary Impacts Score x
Importance