*All photos credit to American Galvanizer’s Association

Figure 1

Fabricating should follow recommendations in ASTM A-385 especially concerning venting. Any venting provided by V and S may be an extra charge. Material must be free of weld slag, paint, varnish, and paint/grease pencil marks.

Figure 2

Internal vented handrail holes 75% ID of pipe.

Figure 3

External vented handrail holes 25% of the ID of pipe

Figure 4

Figure 5

Figure 6

Galvanizing will be done in accordance with ASTM A-123, ASTM A-153, as applicable.

Figure 7

Gusset plates crop corners.

Figure 8

Figure 9

Steel chemistry should be selected according to ASTM A-385, Part 3.

Figure 10