For anybody stumbling on this thread in the future, I had a proper scout around my area (Onnut - Phra Khanong - Ekkamai) and found practically every high-rise building was possible to run up.  It wasn't anywhere near as hard as I'd expected, nobody stopped me once.  I wasn't exactly advertising my presence but I wasn't ninja-ing either.  The procedure was to walk through the entrance to the condo/office block, and look for a fire exit either on the ground floor or on the 1st or 2nd floor of the carparks.  I didn't want to press any bars on the firedoors, so I only went through doors that were ajar or completely open.  Sometimes on the ground floors they were locked but after walking up a floor or two you could find an open one.

 

I ran and walked up about 250 stories in two days in 4 separate buildings, 32 floors (I did this one 3 times), 45 floors, 55 floors with rooftop/helipad access (amazing view) and 35 floors with rooftop access.  I only failed once and that was at a small apartment block of about 10 floors which I checked out just out of interest.  The stairs were blocked with metal gates and were being used as storage space.

 

For the people who mentioned noise, if you actually walk up these fire stairs in condos, you'll see how ridiculous that is.  They're encased with concrete and proper fire doors, not hollow plastic things.  And between them and people is a corridor and another door to your room.  You might just about hear somebody screaming, but not tapping the floor with their feet.  I took the advice to walk/run back down, rather than using lifts, and it didn't feel too bad on the legs.

 

Also it seems a few people use these places to hang out.  I heard one muslim guy praying/chanting on a higher floor, so I turned around and left him to it, and I found a couple of tourists locked out of their floor, coconut and straw in hand, they asked me if I had a key?  I said I didn't but that some floors lower down had doors that were ajar.  On the way back down they'd disappeared.

 

Another thing that struck me was how much electricity must be wasted in these stairwells.  There is a light on every floor.  Why don't they use lights that are only activated when there is a fire or that can be activated manually when the lift is broken?

 

My hamstrings were knackered the day after, so you should start slow and build up the number of floors.

1 hour ago, ndfdjnd said:

For anybody stumbling on this thread in the future, I had a proper scout around my area (Onnut - Phra Khanong - Ekkamai) and found practically every high-rise building was possible to run up.  It wasn't anywhere near as hard as I'd expected, nobody stopped me once.  I wasn't exactly advertising my presence but I wasn't ninja-ing either.  The procedure was to walk through the entrance to the condo/office block, and look for a fire exit either on the ground floor or on the 1st or 2nd floor of the carparks.  I didn't want to press any bars on the firedoors, so I only went through doors that were ajar or completely open.  Sometimes on the ground floors they were locked but after walking up a floor or two you could find an open one.

 

I ran and walked up about 250 stories in two days in 4 separate buildings, 32 floors (I did this one 3 times), 45 floors, 55 floors with rooftop/helipad access (amazing view) and 35 floors with rooftop access.  I only failed once and that was at a small apartment block of about 10 floors which I checked out just out of interest.  The stairs were blocked with metal gates and were being used as storage space.

 

For the people who mentioned noise, if you actually walk up these fire stairs in condos, you'll see how ridiculous that is.  They're encased with concrete and proper fire doors, not hollow plastic things.  And between them and people is a corridor and another door to your room.  You might just about hear somebody screaming, but not tapping the floor with their feet.  I took the advice to walk/run back down, rather than using lifts, and it didn't feel too bad on the legs.

 

Also it seems a few people use these places to hang out.  I heard one muslim guy praying/chanting on a higher floor, so I turned around and left him to it, and I found a couple of tourists locked out of their floor, coconut and straw in hand, they asked me if I had a key?  I said I didn't but that some floors lower down had doors that were ajar.  On the way back down they'd disappeared.

 

Another thing that struck me was how much electricity must be wasted in these stairwells.  There is a light on every floor.  Why don't they use lights that are only activated when there is a fire or that can be activated manually when the lift is broken?

 

My hamstrings were knackered the day after, so you should start slow and build up the number of floors.

Yes you should build up slowly 

 

I do it regularly so im used to it

First time the gf wanted to come with me we did 40 floors to the roof 

 

And then about  5 x 20 bodyweight squats until she quit 

 

I think that was on a Monday evening, by Wednesday Thursday and Fri she could barely walk from muscle soreness ?

 

After a month or two she could do 4x laps to the roof so 160 flights + increased the squats to 5x50....