1. Steel Erection
These handouts and documents with attachments are not final, complete, or definitive instruments. This information is for guidance purposes only. You should independently verify and satisfy yourself as to its accuracy. The AHBSIF does not assume any liability for damages arising from the use of this information or exhibits and attachments thereto and renders no opinion that any of the terms, conditions, and/or cited federal standards in this document and the exhibits and attachments should be explicitly followed by the fund member. Seek specific guidance from the appropriate regulator (OSHA) or professional advisor.

2. Scope The standard covers all employees engaged in steel erection
Two lists of activities covered
Primary
Ancillary
Activities not covered
Electrical Transmission Towers
Communication and Broadcast Towers
Tanks

3. Controlling Contractor Responsibilities
Erector must be provided with an approval to begin steel erection
Location must have adequate on-site access roads (firm, properly graded)
Trades working under steel erection must have overhead protection
If fall protection is left behind by the erector, it must be maintained or removed

4. Erection Plan Plan must be site specific and include the following:
Approval to begin steel erection
Written notifications furnished to erectors
Footings and Walls must be adequate to support structure
Site Layout Provisions
Pre-planning of overhead hoisting operations

5. Hoisting and Rigging  Mobile Crane Inspection
The following items must be inspected at minimum; 
Wire rope and reeving
Electrical equipment
All operational aids
Control mechanisms
Fluid Levels
Tires
Hooks and latches
Hydraulic system

6. Hoisting and Rigging A Qualified Rigger must
Inspect all rigging prior to the start of work
Rig all loads
Equipment may not be ridden at any time
Equipment must be removed from service if faulty in any way
Only connectors and riggers are allowed under loads

7. Hoisting and Rigging Christmas Treeing Maximum of 5 pieces
Lifted material must be of similar type
Decking bundles are prohibited
Employees must be trained in procedure
Multiple lift assembly must be professionally engineered
Crane manufacturer must allow procedure

8. Hoisting and Rigging Christmas Treeing, Items for Consideration:
Weight of each piece
Sling size
Hook size and type
Shackle Size
Hoisting using bundle straps or bands is prohibited

9. Structural Assembly
8 floors maximum between erection floor and uppermost permanent floor
Maximum 4 floors unfinished bolting
Fully decked or protected by nets within two floors or 30 ft under erection work
Metal deck openings turned down
Holes cut immediately prior to filling

10. Structural Assembly
Walking surface must be installed before shear connectors
Decking must be laid tight and secured immediately
Placement must be for full structural support
Derrick floors must be fully planked and bolted

11. Structural Assembly Covers
For vehicular traffic – 2 times the maximum axle load of the largest vehicle
Foot traffic – 2 times the weight of the expected load
Secured to prevent displacement
Marked “HOLE” or “COVER” or color coded
Decking holes around columns must be protected
Domes or fixtures are not rated covers unless built for such use

12. Structural Assembly Structure must be plumbed to insure stability
Plum cables must be installed before constructions are placed on structure
Loose items must be secured at all times
Decking joists must landed in accordance with 757(e)(4)

13. Column Anchorage 4 anchor bolts per column
Column must withstand 300 lb eccentric gravity load from 18” at column top
Must be set on floors, plates, or packs adequate to transfer construction loads
Competent Person evaluates bracing requirements
Structural Engineer must approve any repairs or modifications to the anchor rods
Controlling Contractor must provide written notification for any repair or modification to the column

14. Beams & Columns
2 bolts per connection prior to releasing the hoist line
Solid web members for diagonal bracing one bolt wrench tight minimum
One bolt must remain connected for double connections unless seat or equivalent is used
Seats for double connections shall be designed for the load during the double connection process

15. Beams & Columns Double Connection Requirements:
The connector has to back out the bolts
Beam must be held in place with a spud wrench
When second beam, arrives, align and hold with spud wrench
Push bolts back through first beam into second beam and secure
Double Connections at columns and beam webs over a column
At least one bolt or similar connection device must be present (i.e. beam seat)
Perimeter columns must extend 48” for safety cable installation and must have holes for cables at either 42” or 45”

16. Joists
Joists field bolted at columns unless columns are framed in at least two directions
Vertical stabilizer plates provided on each column for joists
Hoisting cables shall not be released until joist is bolted
Vertical stabilizer plates are required for each column of steel joists

17. Joists Joist placement not at a column
Alternate means used to stabilize joists on both sides of the column
Erection procedure designed by Qualified Person
Procedure incorporates joist stability, shop installed connections, and erection drawings
Hoisting cables shall not be released until both ends are bolted and joist is stabilized

18. Engineered Metal Buildings
Rigid frames shall have 50% of their bolts or the number specified by the manufacturer installed and tightened on both sides of the web adjacent to each flange before hoisting equipment is released
Construction loads shall not be placed on any structural steel framework unless such framework is safely bolted, welded, or otherwise secured

19. Fall Protection
Fall protection is required at heights greater than 2 stories or 30’ (Includes connectors and deckers)
Protection is required between 15’ and 30’

20. Fall Protection Controlled Decking Zone
Allows connectors to work without conventional fall protection
May be established in an area within the structure over 15’ and up to 30’ above a lower level
CDZ shall not be more than 90’ wide and 90’ deep from any leading edge
CDZ perimeter must be designated by warning lines
Only trained employees can enter the CDZ