DERELICT OFFICE building explore. Built 1972, abandoned in 1991 (horrific toilets!)

Built in 1972, it's been derelict since 1991. Tonight we finally get an opportunity to explore it.
Thanks to Landie Man and Joe.
For even more history and photos of this building, please visit Landie_Man's Flickr channel - link below.
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PART 2 - LIFT MACHINERY IN DETAIL:
   • DERELICT OFFICE - Old Otis lift technology...  

DERELICT BUILDINGS PLAYLIST (All my 'quality' edited abandoned building videos):
   • DERELICT OFFICE building explore.  Built 1...  
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LINKS
https://www.flickr.com/photos/landie_...
DANIEL MEAKIN's TRANSPORTATION CHANNEL:
   • (enviro 200) this bus is under attack alarm.  
WHY LIFTS ARE SMASHED OUT video:
   • VANDALISM?  Why lifts are smashed out in d...  
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TO MY VIEWERS:
I'm hoping we've done enough to be worthy of your support...please consider subscribing to our channel. Thank you very much :)
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INTRUDER ALARM PANELS:
CASTLE 'CHECKMATE': Successor to the popular 'Omega' range with the 7-segment display ('d'=day mode!). The checkmate had an LCD display and more zones than the Omega. With most companies using other manufacturers such as the Scantronic 9500 (for big systems) and Menvier, the 'Checkmate' was a very rare and short lived panel before the company 'Castle' became 'Castle Caretech' with their popular 2300/2700 range. See it here:
   • Castle Caretech 2300 alarm panel update  
SCANTRONIC 'EQUALISER 3': Cheap 3 zone keyswitch panel, main used in domestic installations. The panel wasn't very susceptible to main surges whic hused to freeze the panel (requiring a power-cycle to clear it). This was a big problem during thunderstorms when surges were likely.
GROUP 4: Custom built panel by Group 4. Very rare!

ANY FURTHER INFORMATION ON THESE PANELS, PLEASE COMMENT ...Thank you!
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THE MRMATTANDMRCHAY CHANNEL, established 2008:
I'm passionate about uploading quality and interesting videos for YOU, my audience.
What is my channel about? "Old lift machinery made interesting", old air-raid sirens, prehistoric alarm equipment. If "I" don't find it interesting ...then IT DOESN'T GET UPLOADED!
I always spend a lot of time editing my videos with animations, video in-sync with music and voice overs to bring you QUALITY videos to watch.
My moto - "Quality NOT Quantity" - spending two months editing a video is not a rarity!
But without you, I'm nothing here, so thank you much for watching.
...mrmattandmrchay is me (Matt) and my son Chay.
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LIFT IDIOCY WITH KIDS:
   • Random lift adventure 13  
''Some channels'' treat playing around in lift shafts as something 'fun'. Even meeting up with children and taking them into lift shafts to go 'lift surfing' with them.
The consequences:
   • Teaching KIDS TO SURF LIFTS/ELEVATORS (see...  
   • Random lift adventure 13  

Also featured in THE SUN and THE MIRROR newspapers:
https://www.thesun.co.uk/news/1593382...

My channel does not promote or glamourise dangerous activities like lift surfing.