Cold War Sites

GPO PR1 Protected Repeater Station

 Created 21-10-2001   Last update 28-10-2012

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If you can improve on the narrative that accompanies the following photos then please email me.

 
 
Situation Indicator

045 - A floor alarm lantern. If you have a "Prompt" alarm on the ground or basement area, one of the red lamps would show something like,
G01 or B01 a Power alarm "PWR" would be blue. There was one at Fort Southwick very similar to this in the telecoms tunnel.

 
 
 
Ground floor sign

019 - The 'Ground Floor' is the above ground part of the building.

 
 
 
Blast Doors

009 - Double set of blast doors made from what appears to be about 5mm gauge steel. This is the entrance lobby looking towards the ground floor audio equipment and RDF (repeater station distribution frame) area. Directly opposite is a single blast door to a corridor with welfare, offices, and work rooms.

 
 
 
Stairway

017 - Halfway down the steps looking into the basement area. The doors on the left are for the transformer rooms the one on the upper right leads to the engine room.

 
 
 
 Basement sign

013 - Sign showing the underground locations.

 
 
 
 Stairway

016 - The stairway where the previous photo (017) was taken from.

 
 
 
Hoist

014 - Chain hoist for moving equipment between levels.

 
 
 
Gauge

011 - A pressure gauge used to check that positive pressure is maintained within the protected area. It was made by 'Casella Measurement', a firm that still exists. Neal Hill, the Product Marketing Manager, tells me that:

 

"According to the Casella London 1955 Catalogue (no 808), it is an inclined water gauge (manometer) for measuring pressure (over a range of 0-1.5 inches H20). It is said to be more accurate than the more traditional U-tube type manometer which tend to work over a bigger range. There is a handwritten note showing the price as 6 17s 6d".

 
 

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