Flashcards in FIREFIGHTING PROCEDURES - LOFTS Deck (10)
WHAT TYPES OF BUILDING CLASS CAN LOFTS BE?
CLASS 1 - FIREPROOF
CLASS 2 - FIRE PROTECTED
CLASS 3 - NON FIREPROOF
CLASS 6 - HEAVY TIMBER
++Lofts can be Class 1, 2, 3 or 6 constructions.++
WHAT IS LEAST COMMON TYPE OF LOFT?
++Mill (Heavy Timber) constructed lofts are the least common type.++
WHAT IS THE MOST COMMON TYPE OF LOFT?
++Fireproof lofts are the newest and most common type.++
WHERE ARE THE 3 PLACES THAT A LOFTS GRAVITY TANK SECTION SHUT OFF VALVES BE LOCATED?
•INSIDE GRAVITY TANK ENCLOSURE
•DIRECTLY BELOW THE GRAVITY TANK
•ALONG THE RISER INSIDE THE BUILDING
++Section shut-off valves for gravity tanks can be located inside a gravity tank enclosure, directly below the gravity tank, and along the riser inside the building.++
THE LOFT BULLETIN STATES: At 1,100 degrees Fahrenheit, cast-iron loses ____% of its original strength.
•At 1,100 degrees Fahrenheit, cast-iron loses 58% of its original strength.
•The strength lost is cumulative and is never regained.
WHAT IS THE MOST PREVALENT TYPE OF FIRE ESCAPE FOUND IN LOFT BUILDINGS?
++Standard - the most prevalent fire escape found. They have a width of 3-4 feet and stairway angles of 45 degrees, 60 degrees, 75 degrees or steeper.++
WHAT IS THE PREFERABLE MEANS OF ACCESSING A COUNTER-BALANCE STAIRWAY/LADDER TYPE FIRE ESCAPE AT LOFT BUILDINGS?
++Members should not operate directly underneath these hazards. A portable ladder is the preferable means of accessing these fire escapes.++
WHAT IS THE MOST DANGEROUS TYPE OF FIRE ESCAPE AT A LOFT BUILDING?
++Vertical - serve each floor level but lack intermediate landings or balconies. Their straight-up position makes these type fire escapes the most dangerous for both firefighters and building occupants to utilize.++
HOW MUCH STRONGER ARE SQUARE COLUMNS COMPARED TO ROUND COLUMNS?
++Square columns (20% stronger than round ones of equal dimension) are used on the lower floors while round columns are reserved for the upper floors.++