FIREFIGHTING PROCEDURES - LOFTS

Question 0

WHAT IS LEAST COMMON TYPE OF LOFT?

Answer 0

MILL/HEAVY TIMBER

++Mill (Heavy Timber) constructed lofts are the least common type.++

Question 1

WHAT TYPES OF BUILDING CLASS CAN LOFTS BE?

Answer 1

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.++

Question 2

WHAT IS THE MOST COMMON TYPE OF LOFT?

Answer 2

FIREPROOF LOFTS

++Fireproof lofts are the newest and most common type.++

Question 3

WHERE ARE THE 3 PLACES THAT A LOFTS GRAVITY TANK SECTION SHUT OFF VALVES BE LOCATED?

Answer 3

• 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.++

Question 4

THE LOFT BULLETIN STATES: At 1,100 degrees Fahrenheit, cast-iron loses ____% of its original strength.

Answer 4

58%

• At 1,100 degrees Fahrenheit, cast-iron loses 58% of its original strength.
• The strength lost is cumulative and is never regained.

Question 5

WHAT IS THE MOST PREVALENT TYPE OF FIRE ESCAPE FOUND IN LOFT BUILDINGS?

Answer 5

STANDARD

++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.++

Question 6

WHAT IS THE PREFERABLE MEANS OF ACCESSING A COUNTER-BALANCE STAIRWAY/LADDER TYPE FIRE ESCAPE AT LOFT BUILDINGS?

Answer 6

PORTABLE LADDER

++Members should not operate directly underneath these hazards. A portable ladder is the preferable means of accessing these fire escapes.++

Question 7

WHAT IS THE MOST DANGEROUS TYPE OF FIRE ESCAPE AT A LOFT BUILDING?

Answer 7

VERTICAL

++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.++

Question 8

HOW MUCH STRONGER ARE SQUARE COLUMNS COMPARED TO ROUND COLUMNS?

Answer 8

20%

++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.++

Question 9

AT WHAT DEGREES CAN STEEL CABLES OR TENSION RODS (STARS) FAIL?

Answer 9

800

++Steel tension cables or rods can fail at 800 degrees Fahrenheit.++