Title: When industry and labor work together, we can save lives.
1OSHAS NEW STEEL ERECTION STANDARD
- When industry and labor work together, we can
save lives.
2Steel Erection Activities
- Every year, an average of 35 iron workers die
during steel erection activities and 2,300 more
suffer lost workday injuries,"
3Standard
- New subpart R is the first OSHA safety standard
developed under the Negotiated Rulemaking Act - Developed by members of the Steel Erection
Negotiated Rulemaking Advisory Committee (Senrac)
4The Final Rule Contains Requirements For
- Hoisting and rigging
- Structural Steel Assembly
- Beam and Column connections
- Joist Erection
- Systems-engineered Metal Building Erection
- Fall Protection
- Training
5The new standard covers all workers engaged in
steel erection activities
- The Standard does not cover electric transmission
towers, communication towers, broadcast towers,
water towers or tanks
6Effective Dates
- Original effective date July 18, 2001
- Revised effective date Jan. 18, 2002.
7Additional Time
- Gives industry time to become familiar with the
new requirements and to provide training to
employees in the construction industry. - Allow employers time to make the necessary
changes to avoid costly re-fabrication of already
made components and avoid serious delays to
projects that would affect all trades involved in
the construction process.
8Question
- Is the construction of a house framed with metal
studs within subpart R? - No. A housed framed with metal studs is not
covered by the standard
9Question
- When would the installation of metal studs be
covered by subpart R? - The installation of metal studs is covered by
Subpart R when the studs are integrated with the
structural steel framing of a building.
10Question
- Is the installation of a standing seam metal roof
on a wood framed structure covered by subpart R? - Yes. The definition of metal decking includes
standing seam metal roofs.
11Question
- A fabricated tank is installed on a pad. The
tank has connection points for a catwalk
pre-installed by the manufacturer. The catwalk
will be installed by a crane crew after the tank
is installed. Do the fall protection
requirements of subpart R apply to the
installation of the catwalk?
12Answer
- Yes. Catwalks has traditionally been considered
miscellaneous metals, and the installation of
miscellaneous metals is covered by Subpart R?
13Major causes of injuries and fatalities in the
steel erection industry
- Working under loads
- Hoisting, landing and placing decking
- Column stability
- Double connections
- Landing and placing steel joints
- Falls to lower levels.
141926.751
15Competent Person
- Means one who is capable of identifying
existing and predictable hazards in the
surroundings or working conditions which are
unsanitary, hazardous, or dangerous to employees,
and who has authorization to take prompt
corrective measures to eliminate them.
16Controlling Contractor
- Means a prime contractor, general contractor,
construction manager or any other legal entity
which has the overall responsibility for the
construction of the project -- its planning,
quality and completion.
17Qualified person
- One who, by possession of a recognized degree,
certificate, or professional standing, or who by
extensive knowledge, training, and experience,
has successfully demonstrated the ability to
solve or resolve problems relating to the subject
matter, the work, or the project.
18Shear Connector
- Headed steel studs, steel bars, steel lugs, and
similar devices which are attached to a
structural member for the purpose of achieving
composite action with concrete.
19Site-Specific Erection Plan
- Requires pre-planning of key erection elements,
including coordination with controlling
contractor before erection begins, in certain
circumstances.
20Steel Erection
- Construction, alteration or repair of steel
buildings, bridges and other structures,
including the installation of metal decking and
all planking used during the process of erection.
211926.752
- Site Layout Construction Sequence
22Controlling Contractor
- Steel Erector provided notification of
- Concrete having attained sufficient strength.
- Alteration of anchor bolts.
- Adequate access to storage areas.
- That concrete has cured enough to support steel
erection
23Hoisting operations
- Must be pre-planned to reduce employee exposure
to overhead loads.
24Question
- Can the controlling contractor contract with
subcontractor to perform the work required by
1926.752(a)? If so, is the controlling
contractor still responsible for these duties
after subcontracting them? - Yes. The Controlling contractor is responsible
for ensuring that the work was performed.
25Question
- Does the written notification from the
controlling contractor to the steel erector about
concrete footing, etc. in 1926.752(a) (b) have
to be maintained on site? - Once the written notification is given to the
erector, there is no requirement that it be
maintained at the site.
26Question
- Does the anchor bolt repair, replacement or field
-modification approval from the Structural
Engineer of Record (SER) required by
1926.755(b)(1) have to be maintained on site? - No. Once the written notification is given, it
does not have to be maintained on site.
271926.753
281926.753 - Hoisting and rigging(Supplement to
the requirements of 1926.550)
Construction Safety Council
29Pre-shift Inspection Requirements
- Pre-shift inspection must be done by a competent
person. - Rigging must be inspected prior to each shift by
a qualified rigger
30Pre-shift visual inspection of cranes
- all control mechanisms for maladjustments
excessive wear of components and contamination by
lubricants or other foreign matter - safety devices
- hooks and latches
- pressurized lines for leakage
- wire rope
- electrical apparatus
- hydraulic system
- tires
- ground conditions
- hoisting equipment
Construction Safety Council
31General
- The employer shall obtain and/or prepare a
certification record of the pre-shift inspection
Construction Safety Council
32General
- The operator shall be responsible for those
operations under the operators direct control
Construction Safety Council
33General
- Qualified rigger to inspect the rigging prior to
each shift - Headache ball not used to transport personnel
- Only use of personnel platforms in accordance
with 1926.550 (g)
Construction Safety Council
34Safety Latches
- Safety latches on hooks shall not be deactivated.
Construction Safety Council
35Responsibilities During Crane Operations
- Safety latches
- Employees engaged in initial steel erection or
hooking/unhooking to work under loads in some
specific instances. - Operators are responsible for operations under
their control and have the authority to stop and
refuse to handle loads until safety has been
assured.
36Responsibilities During Crane Operations
- Prohibit the use of cranes to hoist personnel
unless ALL provisions of 1926.550 are met except
1926.550(g)(2) - When working under loads requirements in this
section must be followed. - Multiple lift rigging is permitted as long as the
requirements in this erection are met. .753(d).
37Working Under Loads
- Materials being hoisted shall be rigged to
prevent unintentional displacement - Hooks with self-closing safety latches or their
equivalent shall be used to prevent components
from slipping out of the hook and - All loads shall be rigged by a qualified rigger
38Question
- Does the standard permit a qualified rigger to
design and assemble a multiple lift rigging
assembly on the jobsite by mixing components from
one rigging supplier or by mixing components from
several rigging suppliers? - Yes
39Question
- How often must the multiple lift rigging assembly
be inspected? - Before every shift.
40Question
- The crane is rented, and the operator is supplied
by the crane rental company. The steel erector
designates the operator as the competent person
for the purposes of the pre-lift inspection
requirements. Is the steel erector still
responsible for the pre-lift inspection? - Yes
411926.754
- Structural Steel Assembly and Stability
421926.754 Structural Steel Assembly
- Structural stability shall be maintained
- Additional requirements shall apply for
multi-story structures - The permanent floors shall be installed no more
than eight stories between the erection floor and
the upper-most permanent floor. - No more than four floors or 48 feet (14.6 m),
whichever is less, of unfinished bolting or
welding above the foundation or uppermost
permanently secured floor - Fully planked or decked floor or nets shall be
maintained within two stories or 30 feet (9.1 m),
whichever is less, directly under any erection
work being performed.
431926.754(c)Walking/Working Surfaces
- Shear connectors (such as headed steel studs,
steel bars or steel lugs), reinforcing bars,
deformed anchors or threaded studs shall not be
attached to the top flanges of beams, joists or
beam attachments so that they project vertically
from or horizontally across the top flange of the
member until after the metal decking, or other
walking/ working surface, has been installed.
44Installation of shear connectors on composite
floors, roofs and bridge decks.
- When shear connectors are used in construction of
composite floors, roofs and bridge decks,
employees shall lay out and install the shear
connectors after the metal decking has been
installed, using the metal decking as a working
platform. Shear connectors shall not be installed
from within a controlled decking zone (CDZ), as
specified in 1926.760(c)(8).
45Slip resistance of skeletal structural steel.
- Workers shall not be permitted to walk the top
surface of any structural steel member installed
after July 18, 2007 that has been coated with
paint or similar material - The results shall be available at the site and to
the steel erector.
46Plumbing-up Equipment
- turnbuckles
- properly secured
- secured to prevent unwinding
- placed so employees can get to connection points
- removed only under the supervision of a competent
person
Construction Safety Council
47Question
- 1926.754(b)(3) requires a fully planked or decked
floor or nets within 2 stories or 30 feet,
whichever is less. Can an employers requirement
that workers be protected by fall arrest
equipment at all times above 6 feet take the
place of nets and temporary floors? - Yes. If he establishes, communicates enforces
policy.
48Question
- If a roof opening is 11 inches by 25 feet, does
it need to be covered for steel erection
purposes. - No. The definition of an opening refers to a gap
whose least dimension is 12 inches or more.
491926.755
50General requirements for erection stability
- Columns anchored by a min. of 4 bolts and
designed to resist a 300 eccentric load at 18
from the column face. - Columns set on level finished floors, pre-grouted
leveling plates, leveling nuts, or shim packs. - Unstable columns shall be evaluated by a
competent person.
Construction Safety Council
51(b)Repair, replacement or field modification
(1)Need approval of the project structural
engineer. (2)Approval shall state whether guying
or bracing is necessary. (3)Controlling
contractor shall provide written notification to
the steel erector.
Construction Safety Council
52Question
- To make a field repair to an anchor rod, must
there be a written order from the projects
engineer of record? - No. The standard does not require that the
approval be in writing.
531926.756
54Beams and Columns
- General. Secured with at least two bolts per
connection. - Diagonal bracing. With bracing, secured by at
least one bolt per connection.
55Beams and Columns
- Double connections at columns and/or at beam webs
over a column. At least one bolt or similar
connection device is present.
56Beams and Columns
- Column splices. Designed to resist a 300
eccentric load located at 18 from column face. - Perimeter columns. Must extend a min. of 48
above the finished floor for safety cables.
57Multiple Lift Rigging
Construction Safety Council
58Multiple Lift Rigging
- multiple lift rigging assembly is used
- maximum of five members is hoisted per lift
- only structural members are lifted and
- employees engaged in the lift have been trained
in the procedures in 1926.761 (c)(1)
Construction Safety Council
59(4)The multiple lift rigging assembly shall be
rigged with the members
rigged at least 7 feet apart
rigged from the top down
attached at their center of gravity and
maintained level
Construction Safety Council
60Multiple Lift Rigging
- Components of the multiple lift rigging assembly
shall be specifically designed and assembled with
a maximum capacity for total assembly and for
each individual attachment point. - Capacity must be certified by the manufacturer or
a qualified rigger and have a 5 to 1 safety
factor
Construction Safety Council
61Multiple Lift Rigging
- The total load shall not exceed
- The rigging capacity
- The rated capacity of the hoisting equipment
- The multiple lift rigging assembly shall be
rigged with the members - attached at their center of gravity and
maintained level - rigged from the top down and
- rigged at least 7 feet apart
Construction Safety Council
62Multiple Lift Rigging
- The members on the multiple lift rigging assembly
shall be set from the bottom up. - Controlled load lowering shall be used whenever
the load is over the connectors.
Construction Safety Council
631926.757
64Open Web Steel Joists
- Requirements minimizing collapse of lightweight
steel joists by addressing need for erection
bridging and method of attachment. - Requirements for bridging terminus anchors with
illustrations and drawings in a non-mandatory
appendix (provided by SJI). - New requirements to minimize collapse in placing
loads on steel joists.
65Question
- If workers are on a one story building that is 20
feet tall (top of steel) and the joist require
horizontal bridging, is fall protection required
for employees installing bridging? - Yes.
661926.758
- Systems-Engineered Metal Buildings
67Systems-Engineered Metal Buildings
- Requirements to minimize collapse in the erection
of these specialized structures which account for
a major portion of steel erection in this country.
68Systems-Engineered Metal Buildings
- Structural column shall have a minimum of 4
anchor bolts. - Rigid frames shall have a minimum of 50 of
install tightened on both sides of the web
adjacent to each flange before hoisting equipment
is released. - Construction loads may not be placed on
structural steel framework unless it is
adequately secured.
69Systems-Engineered Metal Buildings
- Steel joist secured before releasing hoisting
cables, allowing employees on joist, or placing
construction loads on joist. - Purlins Girts may not be used as anchorage
points without written approval from qualified
person. - Permanent bridging installed and fall protection
provided before purlins are used as a
walking/working surface.
701926.759
- Falling Object Protection
71Falling Object Protection
- All materials, equipment, and tools that are not
being used must be secured against accidental
displacement. - Controlling contractor must bar other
construction processes below steel erection,
unless overhead protection is provided.
721926.760
73General requirements
- Anyone over 15 feet, except in (a)(3)
- (2)Fall protective systems shall conform to
1926.502. - (3)Connectors and employees working in
controlling decking zones protected from fall
hazards as provided in (b) and (c) of this
section.
Construction Safety Council
74Connectors
- Protected when more than two stories or 30 feet
above a lower level - Complete connector training in accordance with
1926.761 and - Provided with fall arrest or fall restraint
systems when 15 to 30 above a lower level.
Construction Safety Council
75Question
- At what height are connectors required to be
protected from falls? Is there a conflict
between 1926.760(b)(1) 1926.760(b)(3)? - 30 feet or 2 stories.
- (b)(3) requires that employees be provided with
fall protection equipment and be able to tie off
at all times between 15-30 feet
76Custody of Fall Protection
- Fall protection shall remain in an area to be
used by other trades if controlling contractor - Has directed the steel erector to leave the fall
protection in place. - Has inspected and accepted control and
responsibility of the fall protection prior to
authorizing persons to work in the area.
Construction Safety Council
77Working Under Loads
- Routes for suspended loads shall be pre-planned
- When working under suspended loads, the following
must be meet - materials rigged to prevent unintentional
displacement - self-closing safety latches shall be used
- all loads rigged by qualified riggers.
Construction Safety Council
78Controlled Decking Zone (CDZ)
- Controlled decking zone (CDZ) provisions to
prevent decking fatalities. - Deckers in a CDZ and connectors must be protected
at heights greater than two stories or 30 feet.
Connectors between 15 and 30 feet must wear fall
arrest or restraint equipment and be able to be
tied off or be provided another means of fall
protection. - Requires fall protection for all others engaged
in steel erection at heights greater than 15
feet.
791926.761 Training
- Requires qualified person to train exposed
workers in fall protection. - Requires qualified person to train exposed
workers engaged in special, high risk activities
80Multiple Lift Rigging Procedure
- The nature of the hazard associated with multiple
lifts - Proper procedures equipment to perform multiple
lifts required by 1926.753(e)
81Connector Procedures
- The nature of the hazard associated with
connecting. - The establishment, access, proper
connecting,techniques and work practices required
by 1926.756(c) 1926.760(b).
82Controlled Decking Zone
- The nature of the hazard associated with work
within the controlled decking zone. - The establishment, access, proper
connecting,techniques and work practices required
by 1926.754(e) 1926.760(c).
83- DISCLAIMER
- This information has been developed by an OSHA
Compliance Assistance Specialist and is intended
to assist employers, workers, and others as they
strive to improve workplace health and safety.
While we attempt to thoroughly address
recordkeeping, it is not possible to include
discussion of everything necessary to ensure a
healthy and safe working environment in a
presentation of this nature. Thus, this
information must be understood as a tool for
addressing workplace hazards, rather than an
exhaustive statement of an employers legal
obligations, which are defined by statute,
84- DISCLAIMER
- regulations, and standards. Likewise, to the
extent that this information references practices
or procedures that may enhance health or safety,
but which are not required by a statute,
regulation, or standard, it cannot, and does not,
create additional legal obligations. Finally,
over time, OSHA may modify rules and
interpretations in light of new technology,
information, or circumstances to keep apprised
of such developments, or to review information on
a wide range of occupational safety and health
topics, you can visit OSHAs website at
www.osha.gov