Chapter 11 Flashcards
Roofs and fire fighting
Because they are typically designed to support lighter live low many types of roof between the ceiling in the roof deck making it difficult to determine the extent to which a fire has developed over here and they’re in a 45 exam overtime loads may be headed to rooms which they were not originally designed know
Conventional Roof Framing
Framing here the 23 and I build on site utilizing dimensional down to the list I’ll keep on going as common as a construction technique because the type of construction has higher requirements in pre-fabricated premiums in the following categories knowledge and skills of construction crews knowledge of the cost of materials and the time ceiling Joyce and rafter ties definitions on the margin them you should know the meaning of those terms
Wood and Roof Trusses
Roof trusses a fabricator from steel as well as would think and PRACT trusses are the most common types used for pitched roof’s both wouldn’t steal trusses are usually fabricated elsewhere and shipped to the job site give a truss is too large to be transported as one unit he can be moved in sections and connected in the field
Fire Ratings of Roof Coverings
Class A- Severe exposure
Class B Moderate
Class C light
Photovoltaic Roofs
Photovoltaic cells cannot be isolated shut off even when electric power to the building is shut off the cells continue to store in generate electric power