Ch 2 - Building Classifications & Fire Resistance

Question 1

NFPA 220, Standard on Types of Building Construction numbering system

Answer 1

First digit - fire resistance of exterior beating walls (in hours)
Second digit - fire resistance of structural frames that support more than one floor (hours)
Third digit - fire resist@nice of floor construction (hours)

Question 2

Type I

Answer 2

Fire resistive

Question 3

Type II

Answer 3

Noncombustible, protected or unprotected

Question 4

Type III

Answer 4

Ordinary

Question 5

Type IV

Answer 5

Heavy timber

Question 6

Type V

Answer 6

Wood frame

Question 7

International Building Code Occupancy Classifications

Answer 7

Assembly group A
Business group B
Educational group E
Factories group F
High hazard group H
Institutional group I
Mercantile group M
Residential group R
Storage group S
Utility/miscellaneous group U

Question 8

NFPA Occupancy Classifications

Answer 8

Assembly
Educational
Daycare
Health care
Ambulatory health care
Detention/correctional
Residential
Residential board and care
Mercantile
Business
Industrial
Storage

Question 9

Fire resistance factors

Answer 9

Combustibility
Thermal conductivity
Chemical composition
Density
Dimensions

Question 10

Fire resistance ratings rounded down to nearest interval

Answer 10

1 hr 10 mins failure time = 1 hr fire resistance rating