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RE: PML Reports

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Paul,
 
PML stands for Probable Maximum Loss. It is a study using traditional engineering methods to determine weaknesses and then assigning a risk. The PML methods are published by SEAOC, I think Zsutty is the major contributor to the methods. Degenkolb has a software called STRISK that can do all the number crunching and produce some graphics.
 
The PML is valuable tool for insurance people and lending institutions because it quantifies the cost of repairs (in very general terms) compared to its value in simple layman's terms. The PML number (A percentage) attempts to quantify the cost of repairs to the structure to make it function again after a major seismic event. ie. if the PML number was 26%, if would cost 26% of the structures current value/cost to make it usable again after a major quake. This number can decide insurance rates or whether or not a retrofit will get funding.
 
Lots of times, a PML is generated for current condition and retrofitted condition (if it's in the budget to investigate the possible retrofit measures).
 
You best bet is to get the binders from SEAOC.
 
hope that helps,
-gerard
-----Original Message-----
From: Paul Feather [mailto:pfeather(--nospam--at)san.rr.com]
Sent: Thursday, November 29, 2001 11:30 AM
To: SEAOC List
Subject: PML Reports

A client on a current project is requesting referrals to provide a PML report regarding seismic issues.  I am unfamiliar with PML reports (Possible Major Loss?). 
 
Any help and education would be appreciated.
 
Paul Feather