OSHA Subpart RSteel Erection

Before authorizing the start of steel erection…

• Concrete footings, piers, and walls has attained the necessary strength by testing,

• 75% of the intended min. compressive design strength

or

• sufficient strength to support the loads imposed during steel erection

Commence after written notification is rec’d

Pre-shift visual Crane inspection

• Safety devices, boom angle indicator, boom stops, anti-two block devices, load moment indicators

• Wire rope• Hydraulic fluid levels• Tire inflation• Ground conditions (no water)• Level ground *

No Riding of the Headache Ball

No employees are to work under suspended loads

Except when starting connections, when hooking up, and unhooking

Multiple lift rigging

5 Members (Maximum)

Members to be similar

Rigged at center of gravity and kept level

Rig the top one first

7 ft.

Set the bottom one first

No more than 8 floors from the erection

floor and the permanent floor

Permanent Floor

No more than 4 floors or 48 feet of unfinished

bolting or welding above the uppermost

permanently secured floor

Permanently Secured Floor

Permanent Floor

Fully Planked

2 floors or 30 feet maximum distance to fully planked floor

Hey

Headed steel studs, steel bars and steel lugs, and other shear connectors pose a tripping hazard on the tops of flanges

Attach shear connectors after the metal decking is installed

Covers for Roof and Floor Openings

cover

Covers shall support 2 times the weight of employees, equipment and materials that may be imposed on the cover

Skylights must meet the strength requirements

Covers are to be secured

Covers are to be clearly marked “Hole” or “Cover”

4 Anchor Bolts minimum

18”

300 lbs

Do not release hoist line until at least 2 bolts are connected at each connection.

Perimeter columns to extend at least 4 feet above the finished floor for safety cables

4 feet

Perimeter columns with holes or other devices at 42-45” above finished floor for perimeter safety cables

>15 feet

Workers must be protected by nets, guardrails, positioning devices or harnesses when working more than 15’ when there is an unprotected edge or side.

The maximum area of unsecured decking shall not exceed 3,000 sq. ft.