Sidewalk Shed Beam

FIG. 1 is perspective view of a new design for a sidewalk shed beam in use. The dot-dash circle labelled ‘ 2 ’ indicates the detail view of FIG. 2 ; FIG. 2 is a detail perspective view indicated by the dot-dash circle labelled ‘ 2 ’ on FIG. 1 ; FIG. 3 is an exploded perspective view of the detail view of FIG. 2 ; FIG. 4 is a perspective view of the sidewalk shed beam. FIG. 5 is a front side elevation view of the sidewalk shed beam. The back side elevation view is identical. FIG. 6 is a right side elevation view of the sidewalk shed beam. The left side elevation view is identical. FIG. 7 is a top plan view of the sidewalk shed beam; and, FIG. 8 is a bottom plan view of the sidewalk shed beam. The ornamental design for the sidewalk shed beam that is claimed is shown in solid lines on the drawings. The broken lines shown in FIGS. 1 - 3 illustrate environment and form no part of the claimed design. The dash-dot lines shown in FIGS. 1 - 3 illustrate areas the enlarged portions are taken from and form no part of the claimed design.