What is the difference between Type IIA and IIB construction?
Construction Types IIA and IIB are also noncombustible, but have little to no fire resistance. Type IIA has a minimum of 1 hour fire resistance throughout. Type IIB, although noncombustible, has no requirements for fire resistance, unless required by other sections of the code.
What is type 2a construction?
TYPE IIA (ISO 4): The main structural elements of the walls are masonry or concrete. The roof support is unprotected metal beams or bar joists. TYPE IIB (ISO 3): The main structural elements of the walls and roof are unprotected steel. These are light- weight metal buildings like “Butler Buildings” and Quonset Huts.
What is Type 1a construction?
TYPE I-A–Fire Resistive Non-combustible (Commonly found in high-rise buildings and Group I occupancies).
What is a Type 2 structure?
Type 2: Non-Combustible Type 2 construction is typically found in new buildings and remodels of commercial structures. The walls and roofs are constructed of non-combustible materials. Specifically, walls are usually reinforced masonry or tilt slab, while roofs have metal structural members and decking.
Which of the following is an a 2 occupancy?
Group A-2 occupancy includes assembly uses intended for food and/or drink consumption including, but not limited to: Banquet halls; Casinos (gaming areas); Nightclubs; Restaurants, cafeterias and similar dining facilities (including associated commercial kitchens); Taverns and bars.
What does a CMU contain?
Concrete block is made from Portland Cement, aggregates and water. It is also known as a concrete masonry unit (CMU).
What types of construction are considered noncombustible?
Type III: Exterior walls and structural elements are noncombustible or limited-combustible materials, and interior structural elements, walls, arches, floors, and roofs are wood that is smaller than what is required for Type IV construction.
What is a Class 3 structure?
Class 3 consists of construction and location of limited numbers of new, small facilities or structures; installation of small new equipment and facilities in small structures; and the conversion of existing small structures from one use to another where only minor modifications are made in the exterior of the …
What is a Type 3 construction?
TYPE III – This type of constructed building is also called a brick-and-joist structure by some. It has masonry-bearing walls but the floors, structural framework, and roof are made of wood or other combustible material; for example, a concrete-block building with wood roof and floor trusses.