Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
19 Cards in this Set
- Front
- Back
- 3rd side (hint)
|
Define Fire |
Is the rapid oxidation of a material with the evolution of fire, smoke, and light |
|
|
|
What is Fire Resistance Rating? |
Is a term used with a time rating of minutes and hours...to indicate the extent to which a material or assembly have withstood a fire exposure |
|
|
|
Define fireproof? |
A term used to describe a material that won't burn or decompose when exposed to fire
- note - this is a misleading term as nothing really is immune to fire
Not even concrete or steel |
|
|
|
Define combustible |
- a material or structure that will burn - add fuel to fire - some materials will not burn in one form but may burn in another
For example: heavy wooden log is difficult to ignite with a match, but when it's reduced to kindling or shavings it is easily ignited |
|
|
|
Define noncombustible |
A material that...in the form of which it is used, will not ignite or burn, support combustion or released flammable vapors,when subject to fire or heat
- it will not add fuel to the fire |
|
|
|
Describe Protected Steel |
- is ordinary structural steel when used as beams and columns or roof decks
- they have good strength and flexibility
- is non-combustible
- when fire temperature reaches 700 F/371 C or more steel with sag and buckle |
|
|
|
How can structural steel be protected from fire? |
- concrete 2"thick - lightweight concrete - plasterboard - sprayed mineral fibres - mastic coating |
Can LukeSkywalker please save me |
|
|
What is Flame Spread Index? |
-has a numerical measure -dimensionless - based from visual measurements of the spread of flame vs. Time |
|
|
|
What is Flame Spread Index? |
-has a numerical measure -dimensionless - based from visual measurements of the spread of flame vs. Time |
|
|
|
Define Smoke Index? |
- a comprehensive measure - dimensionless - based on visual measurement of smoke observation vs time |
|
|
|
List types of Construction |
Type I- Fire Resistive
Type II - Non-Cumbustible
Type III - Ordinary
Type IV - Heavy Timber
Type V - Wood Frame
Type I II III are non Cumbustible
Type IV and V are combustible |
|
|
|
Non-combustible constructuon |
- where, walls, partitions,roofs,structural members are made of non Cumbustible material
- materials which do not qualify as fire resistive
Examples - steel frame masonry walls |
|
|
|
Fire resistant construction |
-where walls,partitions, columns, floor and roof
-are entirely built of non Cumbustible material
- The structures will resist the maximum severity of expected fire without collapse |
|
|
|
Describe Ordinary Construction |
- has a minimum hourly fire resistance rating and stability under fire conditions
- the exterior bearing walls or bearing partition exterior walls are non cumbistible or limited cumbistible materials
- roofs, floors, and interior framing is made wholly of wood or partially of wood
- referred as brick-wood joist |
|
|
|
What is meant by the term semi mill construction? |
Heavy timber construction
- this type of structure had a greater column spacing made possible by the introduction of beams that rested on girders supported by four planks |
|
|
|
What is meant by heavy timber construction? Identify its essential construction members and describe its other essential features or dimensions |
– The bearing walls,are of noncombustible materials
- have a minimum fire resistance rating of 2 hrs
- non bearing exterior walls are non combustible construction
- columns ,beams, girders are heavy timber - columns should be at least 8" - beams and girder should be at least 6" & 10" deep - framing members at least 4x6 -floor and roof construction are wood, without concealed spaces - also referred as semi mill construction |
|
|
|
Define wood frame construction |
- Construction where exterior walls bearing walls and partitions , floor and roof construction are made wood or other combustible material
- when construction does not qualify as heavy timber construction or ordinary construction - Wood frame construction is commonly called frame construction |
|
|
|
List exterior wall coverings |
– Brick veneer -brick nogged -metalclad -metal clapboard and shingles
-skeleton metalclad -cement asbestos corrugated sheets - asphalt composition siding
- stucco
-pre-fabricated plywood |
|
|
|
What is brick veneer wall covering? |
consist of single thickness of brick built around a woodframe
- gives building appearance of a standard brick construction
- it does provide some degree of protection against external exposure |
|
