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The All About Skyscraper Rules Guide
All About Skyscrapers has made its own rule guide for which this website follows. This system can be used to
compare the height of different structures without worrying about small technicalities
such as antennae, TV Masts, and spires. We found this the most logical
and descriptive, yet simple set up there is. Through this method
of organization, all structures can be easily compared.
The term habitable will come up quite frequently, so a definition is in
order.
Habitable - Having livable space that is climate controlled.
First of all we divided the different forms of structures up.
We have divided structures up into a 1st and 2nd level. The 1st
level structure will determine the main category to which the structure
falls, and the 2nd level will further divide the structures in
subcategories.
1st level structures
1st level structures encompass everything from the ground level to the specified
height.
We will now divide the 1st level structures into categoies as follow:
Fully habitable structures (buildings)
This means the structure has to be fully habitable all the way up from ground level to the start of the 2nd level structure. The floors must be on
top of each other from the ground, if there is a break in floors, the highest floor connected to the ground is the end of the 1st level structure. Everything above the highest ground connected floor is considered 2nd level structure.
Note: 10m or less breaks between habitable sections are ignored.
1st level structures end at the highest floor connected by other floors to the ground.
This category is most commonly recognized as a building.
Partially habitable structures
To be considered a partially habitable structure, the main
section of habitable space must be suspended above the ground.
There is often a lobby but this section of the structure is
ignored when it is less than 50m tall. If the bottom level
lobby section of the structure is greater than 50m tall, the
structure will be categorized in the Fully Habitable Structures
(Buildings) section.
1st level structure ends at the top of the highest suspended habitable floor.
Most often known as a Freestanding structure.
Example 1 (Freestanding Tower)
Example 2: Oil Platform
Non habitable structures
A Non habitable structure means there must not be any
enclosed climate controlled areas (AC or heated) anywhere on the structure.
The 1st level encompasses the whole structure. This category doesn't extend to any of the 2nd level structures.
This structure is often called a TV-Mast or Radio Mast.
2nd level Structures and other Subcategories
A 2nd level structure is every thing above the specified 1st level structure. (above the blue line)
A spire is a structure or formation, such as a steeple. (also see What's on top?)
An antenna is an electrical device that sends or receives radio or television signals. (also see What's on top?)
Antennae are temporary extensions of the building.
This is not a 2nd level structure, but it is a subcategory
often used when comparing structures. The highest floor is
different for each first level structure.
The highest floor can only be part of the first level structure. Any
excess floors above the specified first level structures are recognized as part
of the 2nd level they are supported by and cannot be considered when determining
the highest floor.
For instance:
The Sky Pod on the CN Tower above the main section of floors
would be considered part of the spire.
CN Tower
Note: Non Habitable Structures do not have a highest floor subcategory.
Conclusion
There is a total of 7 categories in which can be used to
compare structures.
Fully habitable structures - Spire
Fully habitable structures - Antenna
Fully habitable structures - Highest Floor
Partially habitable structures - Spire
Partially habitable structures - Antenna
Partially habitable structures - Highest Floor
Non habitable structures
See also:
Building Records
This information is allowed to be copied and distributed as needed as long as the All About Skyscrapers name is preserved.
Questions?
Contact the committee that made these rules directly if you have any questions or comments.
info@allaboutskyscrapers.com
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