21W Carpentry & Masonry Specialist Duty Descriptions

In 2004, the Engineer MOS changed from CMF 12 to CMF 21. In 2009, the Engineer MOS changed again, from CMF 21 to CMF 12.

21W2O Carpentry and Masonry Specialist
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; perform millwright, head saw operator, and edger functions during sawmill operations.

21W Carpentry and Masonry Specialist
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; assists in sawmill set up and operation.

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