When trusses are to be stored for more than one week, in Place blocking of sufficient height beneath them usually at 8-10-foot intervals
order minimize Later Bending and lessen moisture gain
from the ground they should be stored?
Unless expressly agreed through a contract, whose The crane operator and/or contractor
responsibility is it to ensure crane equipment complies with
OSHA standards?
When the crane manufacturer's specifications are not A Registered Design Professional
available who should be consulted to determine and
document equipment limitations?
Which of the following are NOT proper procedures when Some lateral bending when lifting Trusses is acceptable
lifting trusses? Lifting Trusses by the peak using a hook
Never connect lifting devices to the Truss Top Chord with only closed-loop
attachments
What is the protocol when installing trusses in adverse Take special care, especially in high winds or lightning storms
weather conditions?
When using a crane within 5 miles of an airport, what Contact the airport 30 days prior to crane use
should be done prior to crane use?
When lifting single trusses up to 30', use a minimum of 2
_________ pick-points near top chord joints spaced up to
½ the truss length apart.
For Trusses from 30-60 feet a ______________ ½ to 1/3 Spreader bar
the truss length is used.
For trusses over 60 feet , use a spreader bar 2/3 - 3/4
________________ of the truss length.
Which of the following is NOT true of the first truss The first Truss is not to be relied upon for the stability of the other Trusses
installed?
Unless another size is specified by the building designer, 2x4
the minimum size of stress-graded lumber used at Lateral
Restraint and Diagonal Bracing is?
When the first Truss cannot be Braced from the exterior, Install it in the center of building
where should it be installed?
Top Chord bearing flat or Parallel Chord Trusses shall be ½ inch
installed so that the gap between the inside edge of the
bearing and the first diagonal or vertical web member does
not exceed?
The spacing of Trusses along bearing support must be ¼ inch
within +/- _________ of plan dimension?
An important aspect of installing Lateral Restraints and The trusses need to have exact spacing before the Bracing and Restraints are
Diagonal Bracing in regard to Truss spacing is? installed
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When dealing with Lateral Restraints and Bracing it is ok to Bracing is securely and properly in place
proceed with construction when?
Do not stack materials on Trusses when they are? Unbraced
When stacking material on Trusses it should be located Next to outside load-bearing walls
where? Over interior load bearing walls
Which of the following is true of Lateral Restraints? They need to be braced
Which of the following are things to consider before Make sure the building is the correct size for the Trusses
erecting Trusses? Make sure load bearing supports are plumb and properly braced
The tops of bearing supports are at proper elevation
Install Web Member Plane Diagonal Bracing to stabilize 5
the first _______ Trusses.
While installing Trusses, when setting the first Truss it is Ground Bracing
important to attach it to?
When using lumber for Diagonal Bracing, it must be at 2x4
least ___________ stress-graded lumber.
Each restraint must be attached by at least ______ nails 2
per Truss.
Install web braces so that they cross the web members at 45°
approximately what angle?
Diagonal bracing should be placed every ___________ 10
Truss members at 20' maximum intervals.
What does the acronym BCTLR stand for? Bottom Chord Temporary Lateral Restraint
Diagonal Bracing is also required where? At each end of the building
Every 10 truss spaces
With long-length continuous Top Chord Temporary Lateral 20 feet
Restraints maximum distance between Diagonal Bracing is
how many feet?
After the first set of trusses have been installed properly, Installed immediately
structural sheathing should be?
, NASCLA (Commercial) General Contractor Exam Prep Course
The series of Trusses that decrease in height to form the Hip Set
slope of a hip roof are called?
What is a Valley set? A group of Truss frames designed to sit on top of other trusses and change the
direction of roof planes
What is the danger of Trusses that have been over- Truss members may break
stressed due to excessive construction loading? Truss joints may fail
Trusses show excessive sagging and remain that way after the load has been
removed
Which of the following is an acceptable method for storing Stack a reasonable amount of material that will not overload Trusses
construction material on Trusses?
Which of the following is NOT a proper method for storing Stack materials near the midspan of Trusses as it will be most accessible there
stacks on Trusses?
When encountering a problem with Trusses, who should Building Designer
be consulted? Truss Designer
Truss Manufacturer
Which of the following is NOT a step to modify, correct If web members are in the way they can be cut
malfunctions, and correct damage to Trusses?
What are some common methods of repairing damaged Use Plywood or OSB gussets over damaged plates or joints
Trusses? Use metal nail on plates
Use lumber scabs or repair frames over broken chords and/or webs
Use a minimum of _______ nails or equivalent to attach 2-16d
Temporary Restrains and Bracing to each Truss member.
Install rows of Bottom Chord Temporary Lateral Restraint 15
(BCTLR) at a maximum of _________ oc.
Permanent Bracing applied at right angles to the plane pf a It prevents out-of-plane buckling of certain Truss members due to compression
Truss performs several functions including? forces
It maintains proper truss spacing
It resists and transfers the lateral Loads applied to the Truss system
Trusses require permanent bracing for all of the following Lateral Plane
planes EXCEPT?
The most common type of Structural Sheathing are wood Plywood or oriented strand board (OSB)
structural panels such as?
Diagonal Bracing, installed at both ends of a Building and Sway Bracing
repeated along the building at intervals specified by the
Building Designer to minimize lateral movement is also
known as?
, NASCLA (Commercial) General Contractor Exam Prep Course
Often used as the scale for drawings house is: ¼" to 1'
Dimension lines indicate what? The start and end point to a particular dimension
A foundation plan is: a top view of the footings and foundation walls
What is the term use to describe a side view that allows elevation
you to see the height and width of objects?
What type of drawing is made when precise information is detail
needed about a small or complex portion of a building?
What term is used for a list or a chart? Schedule
What are notes that are arranged in list form? Specifications
A signed proposal is known as a: bid
What is the number of board feet in a piece of lumber that 15 bd. ft.
is 2" thick, 10" wide, and 9' long?
A portable power tool that cuts crescent-shaped grooves biscuit jointer
into the edge of a workpiece is known as:
A hard, strong building material that is made from the concrete
proper proportion of mixing cement, coarse and fine
aggregate, plus water is called:
Portland Cement is a manufactured substance created by Heat
using what element?
What is a component in concrete that has significant aggregate
impact on it's strength?
What type of admixture makes concrete set up at a slower Retarding
rate?
The following are controlled by the amount of water in color and aesthetics
proportion to the amount of cement except for: