How were the tunnels at the MK built?

celticssuck

New Member
Original Poster
How were the tunnels at the MK built?

Was it built when Seven Seas Lagoon were made or was it after they built the park they began working on the tunnels for the MK?
 

Figment1986

Well-Known Member
The story says they leveled the land and then built the concrete tunnels.. followed by dredging the land for the 7-seas lagoon and using that dirt to fill in around the tunnels for the 2nd story (guest level)
 

TikiGod

Member
How were the tunnels at the MK built?

Was it built when Seven Seas Lagoon were made or was it after they built the park they began working on the tunnels for the MK?

A little concrete, a form to make tunnels, some dirt for back fill and a little pixie dust:lol:
 

Master Yoda

Pro Star Wars geek.
Premium Member
The term tunnels is actually an incorrect term for the utilidors if you want to get absolutely technical. They are actually the first floor of a 2 floor structure. Like was stated earlier the ground was leveled the first level was built and it was back filled to make it appear to be underground. The MK was built on top of this first floor.
 

Craig & Lisa

Active Member
Because the water table was so shallow in that area they had to start from the ground up in stead of digging down, it would have one taken longer to build MK, and 2 cost more. So, and as you can see it worked out very well.
 

fosse76

Well-Known Member
The term tunnels is actually an incorrect term for the utilidors if you want to get absolutely technical. They are actually the first floor of a 2 floor structure. Like was stated earlier the ground was leveled the first level was built and it was back filled to make it appear to be underground. The MK was built on top of this first floor.

Is it though? There isn't a structure beneath every inch of the Magic Kingdom, is there? Just because they were built above the water table doesn't NOT make them tunnels. (not arguing with you...just playing Devil's Advocate). I don't think tunnels would be incorrect...but calling them the first floor wouldn't be incorrect either.
 

disney9752

Member
From what i recall the utilidors/tunnels only stretch as far out as what was there in 71. Thus nothing under pirates, toon town, splash, big thunder, or space mountain.
 

marni1971

Park History nut
Premium Member
First floor (ground level) is absolutely correct. The guest area (the park) is the roof of this level. As you descend iasw's ramp to load level you are descending down to the true ground level (and utilidor level)

The main corridor section under the hub moat is the only true tunnel.
 

marni1971

Park History nut
Premium Member
From what i recall the utilidors/tunnels only stretch as far out as what was there in 71.
Almost. It was extended in `72-3 to finish the south east corner ring system when If You Had Wings and the Plaza Pavilion were built.
 

Master Yoda

Pro Star Wars geek.
Premium Member
Is it though? There isn't a structure beneath every inch of the Magic Kingdom, is there? Just because they were built above the water table doesn't NOT make them tunnels. (not arguing with you...just playing Devil's Advocate). I don't think tunnels would be incorrect...but calling them the first floor wouldn't be incorrect either.
This is really nitpicking but by definition they are not tunnels. Like many things in the construction and in many other fields there are things that to the layman appear to be the same thing or interchangeable but to the professional in that particular field would be as different as night or day. Some that come to mind would be awning/canopies or connecting room/adjoining rooms etc.

In this particular situation the difference lies in how they were constructed and their final position relative to the existing grade (ground level). We start out with a flat piece of land. If they had dug out or bored (not really possible in Fl but that is irrelevant for this discussion) passages under this piece of land built a tube or hallway and then reburried them they would be tunnels. From my understanding the Tunnel at Epcot was constructed this way and is by definition a tunnel. If they dug out rooms, added floors, walls, etc it would be classified as a basement. In the case of the utilidorrs Disney started out with a flat piece of land built, up one level on top of the existing grade and then backfilled the sides. By definition this is a ground level or 1st floor.
 

Monty

Brilliant...and Canadian
In the Parks
No
This is really nitpicking but by definition they are not tunnels. Like many things in the construction and in many other fields there are things that to the layman appear to be the same thing or interchangeable but to the professional in that particular field would be as different as night or day. Some that come to mind would be awning/canopies or connecting room/adjoining rooms etc.

In this particular situation the difference lies in how they were constructed and their final position relative to the existing grade (ground level). We start out with a flat piece of land. If they had dug out or bored (not really possible in Fl but that is irrelevant for this discussion) passages under this piece of land built a tube or hallway and then reburried them they would be tunnels. From my understanding the Tunnel at Epcot was constructed this way and is by definition a tunnel. If they dug out rooms, added floors, walls, etc it would be classified as a basement. In the case of the utilidorrs Disney started out with a flat piece of land built, up one level on top of the existing grade and then backfilled the sides. By definition this is a ground level or 1st floor.
An elaborate way to explain what is even simpler: Tunnels are dug, utilidors are constructed.
 

Phonedave

Well-Known Member
This is really nitpicking but by definition they are not tunnels. Like many things in the construction and in many other fields there are things that to the layman appear to be the same thing or interchangeable but to the professional in that particular field would be as different as night or day. Some that come to mind would be awning/canopies or connecting room/adjoining rooms etc.

In this particular situation the difference lies in how they were constructed and their final position relative to the existing grade (ground level). We start out with a flat piece of land. If they had dug out or bored (not really possible in Fl but that is irrelevant for this discussion) passages under this piece of land built a tube or hallway and then reburried them they would be tunnels. From my understanding the Tunnel at Epcot was constructed this way and is by definition a tunnel. If they dug out rooms, added floors, walls, etc it would be classified as a basement. In the case of the utilidorrs Disney started out with a flat piece of land built, up one level on top of the existing grade and then backfilled the sides. By definition this is a ground level or 1st floor.

Lets just call the whole thing a two story walk out and be done with it :)

-dave
 

ClemsonTigger

Naturally Grumpy
While I usually defer to engineers, and most always defer to Master Yoda, and knowing that they were built as a ground level structure with MK as the second story....the map attached does call them tunnels....PITA, I know...

I was looking for this to show the extent of the coverage under MK...not to start into the tunnel discussion....:shrug:

ar117701455319877.jpg
 

Monty

Brilliant...and Canadian
In the Parks
No
While I usually defer to engineers, and most always defer to Master Yoda, and knowing that they were built as a ground level structure with MK as the second story....the map attached does call them tunnels....PITA, I know...

I was looking for this to show the extent of the coverage under MK...not to start into the tunnel discussion....:shrug:

ar117701455319877.jpg
:lol:

Actually, if you truly want to be picky and use the dictionary version of each, what Disney has in MK are neither tunnels nor utilidors. :shrug:

Tunnels are passages dug or bored under or through obstacles and utilidors are insulated above-ground conduits for pipes and wires used where permafrost precludes burying them.
 

Since1976

Well-Known Member
First floor (ground level) is absolutely correct. The guest area (the park) is the roof of this level. As you descend iasw's ramp to load level you are descending down to the true ground level (and utilidor level)

I never thought about that. Good observation!
 

ClemsonTigger

Naturally Grumpy
Because the water table was so shallow in that area they had to start from the ground up in stead of digging down, it would have one taken longer to build MK, and 2 cost more. So, and as you can see it worked out very well.

That is also one of the reasons E.P.C.O.T could not be built, because Walt's experimental community had five underground levels for transportation, services and deliveries. You can't do that with the Florida water table.
 

joel_maxwell

Permanent Resident of EPCOT
The term tunnels is actually an incorrect term for the utilidors if you want to get absolutely technical. They are actually the first floor of a 2 floor structure. Like was stated earlier the ground was leveled the first level was built and it was back filled to make it appear to be underground. The MK was built on top of this first floor.
I knew of all people, you would be the one to correct this term. :lol:

Well you know us engineers...we can makes hammering a nail into a piece of wood complicated.:lol:
I couldnt say it any better :lol: #2
 

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