EP 1110-1-19
30 Jun 01
Exhibit 6-3, cont.
Post-RA O&M Cost Elements
Cost Element
Description
Professional/technical services to manage O&M activities not specific to
Project Management
technical support listed below.
Professional/technical services to monitor, evaluate, and report progress of
Technical Support
operation and maintenance.
Update or maintenance of non-engineering measures to reduce or minimize
Institutional Controls
potential for exposure to site contamination or hazards.
6-6. Periodic Cost Elements. The periodic cost elements listed in Exhibit 6-4 include both
construction or O&M-type activities and professional/technical services. Distinctions should be
made between periodic costs that occur during the RA operating and post-RA O&M periods.
Contingency should be added to projected periodic costs that may occur during the post-RA
O&M period. Periodic costs should be rolled up into the appropriate items of the RA WBS
and/or the O&M WBS.
Exhibit 6-4
RA or Post-RA O&M Periodic Cost Elements
Cost Element
Description
Construction activity to replace an installed remedy or key components of the
Remedy Failure or
remedy.
Replacement
Construction activity to dismantle or take down extraction , containment, or
Demobilization of On-Site
treatment facilities upon completion of remedial action.
Extraction, Containment, or
Treatment Systems*
* Specify extraction, containment, or treatment system. Examples include groundwater extraction
system, soil vapor extraction system, groundwater treatment facility, etc. More than one system
may be associated with an individual alternative.
Costs to cover unknowns, unforeseen circumstances, or unanticipated
Contingency (post-RA only)
conditions associated with projected periodic construction/operation activities.
Professional/technical services to prepare five-year review reports (if
Five-Year Reviews
hazardous substances, pollutants, or contaminants remain on-site above levels
that allow for unrestricted use and unlimited exposure).
Professional/technical services to analyze and optimize on-going groundwater
Groundwater Performance
pump and treat systems.
and Optimization Study
Professional/technical services to prepare remedial action report upon
Remedial Action Report
completion of RA.
Periodic update or maintenance of non-engineering measures to reduce or
Institutional Controls
minimize potential for exposure to site contamination or hazards.
6-11
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