21W: Carpentry
and Masonry Specialist
Major Duties: The carpentry and masonry
specialist performs general heavy carpentry, structural steel,
and masonry duties, to include fabrication, erection, maintenance,
and repair of rigging devices, trusses, and other structural
assemblies. Duties for MOS 21W at each level of skill are:
- Skill Levels
- Skill Level 1 MOSC 21W1O. Employs
basic carpentry and masonry skills. Assists in building
layout, framing, sheathing, fabrication and roofing
structures. Assists in erection of rough timber structures.
Reads and interprets drawings, plans and specifications.
Repairs and renovates all types of structures and erects
prefabricated buildings. Constructs concrete form work
for slabs, walls, and columns. Assists in performance
of combat engineer missions, Reserve Components (RC)
assists in sawmill set up and operation.
- Skill Level 2 MOSC 21W2O. Interprets
construction drawings and blueprints. Prepares building
layout. Constructs wooden or concrete foundation and
erects building framework. Installs flooring, walls,
partitions, siding, roofing, doors, windows, stairs,
and interior finishing. Erects prefabricated and pre-engineered
metal structures. Applies proper concrete curing methods.
Directs operational maintenance on assigned equipment.
Reserve Components perform millwright, head saw operator,
and edger functions during sawmill operations.
Physical demands rating and qualifications for initial
award of MOS. The carpentry and masonry specialist must
possess the following qualifications:
(1) Physical Demands Rating:
very heavy
(2) Physical Profile: 111221
(3) Normal color vision
(4) Minimum score of 90 in aptitude
area GM.
(5) Freedom from vertigo to permit climbing, balancing, and
working in high places.
(6) Formal training (completion of MOS 21W course conducted
under the auspices of USA Engineer Center & School) mandatory
or meet civilian acquired skills criteria outlined in AR 601-210.
MOS 21W had the alphanumeric designator of 51B prior
to fiscal year 2004.
The major duties, physical demands, physical profile, and
skill levels were obtained from Army Pamphlet 611-21.
MOS List for Corps of Engineers
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