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Top-Down Assessment 
A high level review that focuses primarily on the system level with less detail applied to the condition of the individual assets or components within a facility.

A method of collecting data by approaching the facility at the system-level and providing general (macro) statements about the Concerns and projected concerns associated with each System.

Purpose
  • To develop a Preliminary FCI.
  • To derive a top-down backlog calculation.
  • To screen buildings for more detailed assessment.
Attributes

Methodology

The top-down assessment relies heavily on the following data collection techniques:

Evaluation
Some of the advantages and merits of a top-down assessment are listed below.
  • Quick turnaround
  • Lower fees, which is particularly helpful for large portfolio owners who do not have sufficient funds for detailed assessments on all buildings
  • Provides an initial screening to identify buildings for more detailed assessment
Some of the disadvantages of this type of assessment are:

See also:
AssetInsights.net
Fig. Desktop review & actuarial analysis in a top-down assessment.


Example of a rule of thumb for window area based upon a multiplier of GFA
Fig. Rapid assessment of a building using rules of thumb for window area based upon a multiplier of GFA.
Compare with:


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