Draft  - Subpart R Steel
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Draft - Subpart R Steel

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Draft  - Subpart R Steel Draft - Subpart R Steel Presentation Transcript

  • OSHA Subpart R Steel 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
  • Hey Fully Planked 2 floors or 30 feet maximum distance to fully planked floor
  • Attach shear connectors after the metal decking is installed Headed steel studs, steel bars and steel lugs, and other shear connectors pose a tripping hazard on the tops of flanges
  • Covers for Roof and Floor Openings 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” 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.