OSHA STANDARD LATEST
CONSTRUCTION 29
CFR PART 1926
Where employees or equipment are required or permitted to cross over
excavations, guardrails must comply with 1926.502(b) requirements and
are required where the walkways are __ more above the lower level -
ANSWERS-6 foot or more
Banks of more than how many feet shall be shored or laid back to a
stable slope, or some other equivalent means of protection shall be
provided where employees may be exposed to moving ground or cave-
ins - ANSWERS-5 feet in depth or more
Excavations shall be sloped at an angle not steeper than: - ANSWERS-
1.5 horizontal to 1 vertical
Designs of support systems and shield systems for excavation shall be: -
ANSWERS-In written form
If a protective shield (trench box) is in use at a jobsite. What must also
be kept on site? - ANSWERS-Tabulated data and name of engineer
END OF
PAGE
1
, OSHA STANDARD LATEST
CONSTRUCTION 29
CFR PART 1926
Excavations of earth material cannot exceed a level how many feet
below the bottom of the shield? - ANSWERS-2 feet
A cohesive soil with an unconfirmed compressive strength of 1.5 ton per
square foot or greater is classified as - ANSWERS-type A
sand is what soil classification - ANSWERS-type C
The maximum allowable slope for excavation less than 20 feet in depth
for type C soil is - ANSWERS-1.5 horizontal to 1 vertical (34degrees)
OSHA requires masonry walls taller than how many feet to be braced -
ANSWERS-8 feet
A steel erection contractor shall not erect steel unless it has received
written notification that the concrete has attained what percentage of the
minimum intended compressive strength? - ANSWERS-75%
END OF
PAGE
2
, OSHA STANDARD LATEST
CONSTRUCTION 29
CFR PART 1926
The maximum allowable number of floors that can be erected between
the permanent floor and the top of the erected steel frame shall not be
more than: - ANSWERS-8 stories
At no time shall there be more than __ floors or __ feet, whichever is
less, of unfurnished bolting or welding above the foundation or
uppermost permanently secured floor - ANSWERS-4 floors, 48 feet
A fully planked or decked floor or nets shall be maintained within what
distance directly under any erection work being performed? -
ANSWERS-Two stories or 30 feet, whichever is less
All steel columns shall be anchored by a minimum of? - ANSWERS-
four anchor rod/ anchor bolts
Steel perimeter columns shall extend a minimum of how many inches
above the finished floor? - ANSWERS-48 inches
hoisting cables shall not be released until the seat at each end of the steel
joist is? - ANSWERS-field bolted and stabilized
END OF
PAGE
3
, OSHA STANDARD LATEST
CONSTRUCTION 29
CFR PART 1926
Where steel joist are 60 feet or less. The joist shall be designed with
sufficient strength to allow one employee to release the hoisting cable
without the need of? - ANSWERS-Erection bridging
Each end of a K-series steel joist shall be attached to the support
structure with a minimum of? - ANSWERS-two 1/8 inch fillet welds 1
inch long, or with two 1/2 inch bolts
Each end of "LH" (Long Span) and "DLH" (Deep Long Span) series
steel joist/girder shall be attached to the support structure with a
minimum of? - ANSWERS-Two 1/4 inch fillet welds 2 inches long, or
with two 3/4 inch bolts
When steel joist spans are more than 100 feet, when should the hoisting
cables be released? - ANSWERS-Only after all diagonal bridging is
installed
What is the maximum weight of steel joist bridging that can be hoisted?
- ANSWERS-1000 lbs.
END OF
PAGE
4
CONSTRUCTION 29
CFR PART 1926
Where employees or equipment are required or permitted to cross over
excavations, guardrails must comply with 1926.502(b) requirements and
are required where the walkways are __ more above the lower level -
ANSWERS-6 foot or more
Banks of more than how many feet shall be shored or laid back to a
stable slope, or some other equivalent means of protection shall be
provided where employees may be exposed to moving ground or cave-
ins - ANSWERS-5 feet in depth or more
Excavations shall be sloped at an angle not steeper than: - ANSWERS-
1.5 horizontal to 1 vertical
Designs of support systems and shield systems for excavation shall be: -
ANSWERS-In written form
If a protective shield (trench box) is in use at a jobsite. What must also
be kept on site? - ANSWERS-Tabulated data and name of engineer
END OF
PAGE
1
, OSHA STANDARD LATEST
CONSTRUCTION 29
CFR PART 1926
Excavations of earth material cannot exceed a level how many feet
below the bottom of the shield? - ANSWERS-2 feet
A cohesive soil with an unconfirmed compressive strength of 1.5 ton per
square foot or greater is classified as - ANSWERS-type A
sand is what soil classification - ANSWERS-type C
The maximum allowable slope for excavation less than 20 feet in depth
for type C soil is - ANSWERS-1.5 horizontal to 1 vertical (34degrees)
OSHA requires masonry walls taller than how many feet to be braced -
ANSWERS-8 feet
A steel erection contractor shall not erect steel unless it has received
written notification that the concrete has attained what percentage of the
minimum intended compressive strength? - ANSWERS-75%
END OF
PAGE
2
, OSHA STANDARD LATEST
CONSTRUCTION 29
CFR PART 1926
The maximum allowable number of floors that can be erected between
the permanent floor and the top of the erected steel frame shall not be
more than: - ANSWERS-8 stories
At no time shall there be more than __ floors or __ feet, whichever is
less, of unfurnished bolting or welding above the foundation or
uppermost permanently secured floor - ANSWERS-4 floors, 48 feet
A fully planked or decked floor or nets shall be maintained within what
distance directly under any erection work being performed? -
ANSWERS-Two stories or 30 feet, whichever is less
All steel columns shall be anchored by a minimum of? - ANSWERS-
four anchor rod/ anchor bolts
Steel perimeter columns shall extend a minimum of how many inches
above the finished floor? - ANSWERS-48 inches
hoisting cables shall not be released until the seat at each end of the steel
joist is? - ANSWERS-field bolted and stabilized
END OF
PAGE
3
, OSHA STANDARD LATEST
CONSTRUCTION 29
CFR PART 1926
Where steel joist are 60 feet or less. The joist shall be designed with
sufficient strength to allow one employee to release the hoisting cable
without the need of? - ANSWERS-Erection bridging
Each end of a K-series steel joist shall be attached to the support
structure with a minimum of? - ANSWERS-two 1/8 inch fillet welds 1
inch long, or with two 1/2 inch bolts
Each end of "LH" (Long Span) and "DLH" (Deep Long Span) series
steel joist/girder shall be attached to the support structure with a
minimum of? - ANSWERS-Two 1/4 inch fillet welds 2 inches long, or
with two 3/4 inch bolts
When steel joist spans are more than 100 feet, when should the hoisting
cables be released? - ANSWERS-Only after all diagonal bridging is
installed
What is the maximum weight of steel joist bridging that can be hoisted?
- ANSWERS-1000 lbs.
END OF
PAGE
4
