CEMP-E/CECW-E
EI 01D010
1 September 1997
construction projects. It is to be used for categorizing
(2) The RAWBS consists of four numbered
facility costs and associated supporting facility costs
levels of cost breakdown. Each level is identified by a
for all conventional military construction projects.
two digit number; Level 1 (Account) represents
This MCWBS is comprised of 15 primary facility
HTRW RA and is identified by 33. The detail
systems and four supporting facility systems. Each
increases with each succeeding level as shown below:
system is divided into one or more subsystems, which
are further divided into assemblies made up of
Level 1 (Account)
33 1 xx - HTRW
Remedial Action
construction line items. An example of MCWBS
levels numbering is as follows:
Level 2 (System)
15 - Stabilization/
Fixation/Encap
Level 1
Scope
Level 3 (Subsystem)
07 - Sludge
Stabilization
Level 2
Facility (Building)
Level 4 (Assembly Category)
03 - Construction of
Level 3 (System)
02 - Superstructure
Permanent Treatment
Plant
Level 4 (Subsystem)
01 - Floor Construction
(3) The RAWBS numbering system and
Level 5 (Assembly Category)
03 - Floor Decks and
standard descriptions may not be changed for HTRW
Slabs
estimates for the first three levels (Account, System,
Level 6 (Assembly)
03 - Precast Concrete
and Subsystem). Items not found in the HTRW
Slab
RAWBS should be coded with the appropriate two
digit number from 90-99 (Other). As a minimum,
Level 7 (Detail Line Item)
03412 1105 Erection
03412 1901 100 mm
estimates are to be structured and include summaries
Precast Slab
to the third (Subsystem) level.
(1) A unit of measure is associated with each
(4) The "Standard Description" manual (also
level of the MCWBS and should be followed in all
referred to as the "Data Dictionary") for the HTRW
estimates to facilitate the estimating review process.
RAWBS includes written descriptions of the second
This will allow estimates to be compared to other
(System) and third (Subsystem) levels and can be
similar project estimates.
used as a reference to assist in determining the
appropriate breakdown of costs. Refer to appendix C
(2) The standard numbering structure and
for a listing of Level 2 (system) of the HTRW
description manual is available and referred to as
RAWBS. The complete RAWBS is located in
"Data Dictionary." The dictionary includes
MCACES.
description of building functional components and
associated supporting facilities. A sample MCWBS
2-16. Civil Works Program Specific
to level 2 is provided in appendix C. The complete
Requirements
MCWBS is located in MCACES.
a. Virtually every study, project, or activity
c. HTRW
funded under the civil works program requires a
project cost estimate. The cost estimate is an
(1) The HTRW Remedial Action Work
essential tool that serves as a foundation in
Breakdown Structure (RAWBS) is for categorizing
accomplishing management objectives, budgetary
remedial action construction costs only and does not
submissions, and economic analysis. In a typical
include WBS items for pre-design studies,
project life, cost estimates may be divided into a
engineering and design, other pre-construction costs,
series of different types throughout the project
or other estimated post-construction costs such as
development. The type of estimates occurring are
post-construction operation and maintenance which
identified below.
can also be charged to the project.
2-6
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