Carpenter

Constructing the skeletal framework of a building. This involves cutting and installing floor joists, wall studs, window and door headers, and roof trusses or rafters. Nailing plywood or oriented strand board (OSB) to the walls, roof, and floor joists to provide structural strength (shear strength) and a base for exterior and interior finishes. Building the temporary wooden or metal molds into which concrete is poured for foundations, columns, and slabs. Translating architectural sketches and structural drawings into exact on-site measurements, which includes calculating angles, rafter lengths, and squaring walls using construction math. Erecting job-site necessities such as scaffolding, barricades, bracing, and temporary structures.