C3-KS41

Question 1

Broad Categories of Nonstructural elements include:

Answer 1

• Architectural
• Electrical
• Mechanical
• Plumbing
• Communications
• Furniture, Furnishings, and Equipment

Question 2

Architectural Components that should be braced include:

Answer 2

• Interior nonstructural walls and partitions
• Exterior nonstructural wall assemblies
• Ceilings
• Cabinets
• Access Floors
• Appendages and ornamentation
• Signs and billboards
• Other rigid and flexible components

Question 3

Bracing considerations for Interior nonstructural walls and partitions include:

Answer 3

• full height partitions — utilize slip track to isolate from structure

• partial height partitions attached to ceiling grid — must be braced to the structure
above

Question 4

Bracing considerations for Exterior nonstructural wall assemblies include:

Answer 4

• Light wall elements (metal insulated panels)

* Heavy wall elements (precast concrete)

Question 5

Bracing Considerations for Ceilings include:

Answer 5

• Suspended
• Attached to rigid subframe
• DSA — requires horizontal restraint points to be placed not more than 12’ x 12’ on center for DSA structural enforcement projects (Section 1614A.1.12-6b)
• OSHPD — requires horizontal restraint points to be placed not more than 8’ x 12’ on center for OSHPD enforcement projects (Section 1614A.1.12-6a).

Question 6

Bracing Considerations for Cabinets include:

Answer 6

• Storage cabinets and laboratory equipment

Question 7

Mechanical and Electrical Components that should be braced include

Answer 7

• General mechanical
• HVAC system
• Elevator components
• Escalator components
• General electrical
• Lighting Fixtures

Question 8

General mechanical

Answer 8

• Boilers and furnaces

* Large chimneys

Question 9

Bracing Considerations for HVAC system include:

Answer 9

• vibration isolated

* nonvibration isolated

Question 10

Bracing Considerations for Piping system include:

Answer 10

• water supply
• water waste
• fire sprinklers

Question 11

Bracing Considerations for General electrical include:

Answer 11

• distributed systems

* equipment

Question 12

Bracing Considerations for Lighting Fixtures include:

Answer 12

• Surface mounted to structure
• Suspended from structure
• Supported by suspended ceiling grid, surface mounted, or hung from suspended ceiling
• All recessed or drop-in light fixtures shall be supported directly from the structure above with a minimum of two 12 gauge wires located diagonally at opposite corners.
• Support wires may be slightly loose to allow the fixture to seat in the grid system (Section 161”.1.12-7).
• Lighting fixtures weighing more than 56 pounds shall be supported directly above by approved hangers (Section 1614A.1.12-9).

Question 13

Concerns for specific Building Types

Answer 13

• Library — book stacks need to be properly anchored together as well as secured to floor and structural deck above.
• Church — the cross needs to be properly secured and braced
• Gas Station — signage needs to be properly secured and braced
• Auditorium — bleachers need diagonal bracing