Section 617 Standard Drawings, Part 1
Attach guardrail post to box culvert with 22 mm diameter high-strength threaded rods 216 mm in length with resin-bonded anchors. Use carbon steel rods with a minimum strength of 862 MPa and a
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OSHA mandates guardrails at 4 feet in general industry and 6 feet in construction to prevent fatal falls from unprotected edges. Electrical enclosure sizes are not universal, but most manufacturers follow common size families. The guard-rail is necessary and mandatory when fall risk from height higher than 500 mm is present, or if the distance between the walking platform and a neighbouring structure (machinery or wall) is greater than 180 mm. Fasten delineator to post using two 2" x 8 3 " lag screws with washers, along centerline of post; or.
