What does B1 mean in elevator?
Usually elevator buttons marked “B1,” B2″ etc do indeed refer to “basement.” Sometimes they will say “LL1,” “LL2,” which stands for “lower level” (but still means “basement.”)
What is B in elevator?
“Basement” (B) B also known as basement, usually used to depict floors below ground floor. It is widely used in most buildings. An additional basement below is often marked as LB (lower basement) or SB (sub-basement) while above is UB (upper basement).
Is ground floor 0 or 1?
The floor at ground or street level is called the “ground floor” (i.e. it needs no number; the floor below it is called “basement”, and the floor above it is called “first”) in many regions.
What floor do elevators skip?
thirteenth floor
Origin. The origin of skipping the thirteenth floor when installing elevators is not known. However, during the advent of early skyscrapers, New York architectural critics warned developers not to exceed the height of the 13th floor.
What is the meaning of M in elevator?
In the US, ground floor and first floor are used interchangeably, with the next floor up being the second floor. “M” is “Mezzanine”. This is sort of a “half floor” that doesn’t extend across the entire span of the building and is therefore not numbered on its own. “B” is “Basement”, the floor below the ground.
What does 3R mean in elevator?
3R is 3rd floor, rear door of the elevator. The other ‘R’s are to open and close the rear elevator door.
Does the ground floor count as a storey?
‘Storey’ tends to exclude building levels that are not covered by a roof, such as a roof terrace. It is also not used to refer to the street level floor which is typically called the ‘ground floor’. Most houses are two-storeys, while bungalows are single-storey.
What is B1 in building?
The B1 zone covers small-scale neighbourhood centres that serve the needs of the surrounding area. It may include retail uses, business premises, community uses and a residential component.
What is a B2 building?
Use Class B2 (general industrial) relates to industrial process other than those falling within Use Class B1 (excluding incineration purposes, chemical treatment or landfill or hazardous waste).
Why is number 13 unlucky?
Many think that the reason for the number 13’s bad luck comes from the Bible. Judas, who betrayed Jesus, is thought to have been the 13th guest to sit down to the Last Supper.