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Report - - Sub Regional Headquarters Bunker 42: Sovereign House, Hertford - May 2013 | Underground Sites | 28DaysLater.co.uk

Report - Sub Regional Headquarters Bunker 42: Sovereign House, Hertford - May 2013


bengley

Not a trainspotter...
28DL Full Member
Visited this with LiamCH. After almost going home because there appeared to be no way in, Liam found the way in and we were not disappointed. Lights all working is a nice touch.

Description pinched from another thread.

'Only three SRHQ bunkers are of recent construction- Basingstoke, (SRHQ62), Herford (SRHQ42) and Southport (SRHQ10).
Each has the same rough design, a All two-storey concrete basement below government office blocks built in the late 1960s.
Walls are 20-30 inches thick (50-75cm) and each has its own borehole for water.
Some one hundred and fifty thousand gallons of water are also stored in permanent tanks, and a generator room can power all the SRHQ's equipment for a month, with a ten thousand gallon fuel reserve.
Two sets of filters are fitted to the air-conditioning plant, one for peacetime exercise use, and the second for war.
If the level of fallout dust becomes too high, air conditioning can be switched to internal circulation for a period.
The bunkers were designed to have a radiation 'protection factor' of about 400, and to resist blast pressure of 1.5psi. In contrast, the average house is unlikely, after attack, to offer a protective factor better than 5-10.'
Quoted from 'War Plan UK, the secret truth about Britain's Civil Defence. Duncan Campbell. 1980'
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