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Questions and Answers
What is the maximum distance from the specified plan dimensions for trusses along the bearing support?
What is the maximum distance from the specified plan dimensions for trusses along the bearing support?
How many pick points are required to support roof trusses up to 30' for parallel chord designs?
How many pick points are required to support roof trusses up to 30' for parallel chord designs?
What is the minimum number of nails required for temporary restraint and bracing connections?
What is the minimum number of nails required for temporary restraint and bracing connections?
What is the estimated weight of a bundle of 7 trusses that are 32' long?
What is the estimated weight of a bundle of 7 trusses that are 32' long?
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When must an airport be notified if a crane is erected within how many miles?
When must an airport be notified if a crane is erected within how many miles?
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What is the minimum number of lift points required for a single truss that is 30' long?
What is the minimum number of lift points required for a single truss that is 30' long?
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What is the estimated weight of trusses per linear foot?
What is the estimated weight of trusses per linear foot?
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How many nails are required at a minimum for temporary restraint and bracing connections?
How many nails are required at a minimum for temporary restraint and bracing connections?
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If a crane is erected near an airport, within what distance must the airport be notified?
If a crane is erected near an airport, within what distance must the airport be notified?
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Study Notes
Truss Placement
- Trusses should be placed within 1/4 inch of the specified location on the plan.
Truss Supports
- Parallel chord trusses up to 30' usually require support at 1 point.
Restraint and Bracing
- Temporary restraint and bracing connections require a minimum of two 16d nails.
Truss Weight
- The estimated weight per linear foot of a truss is 15 lbs.
Truss Lift Points
- Single trusses that are 30' long require a minimum of 2 lift points.
Crane Proximity to Airports
- Airports must be notified if a crane is within 5 miles.
Bundle of Trusses Weight
- A bundle of 7 trusses that are 32' long weighs 3360 lbs.
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Description
Test your knowledge on truss placement, supports, and weight calculations with this quiz. Understand the requirements for truss bracing and lift points to ensure proper installation. Perfect for students and professionals in construction and engineering fields.
