Military Radon Mitigation Systems

WPB Enterprise has provided crews to installed radon mitigation systems in over 600 Navy Houses in Guam,
100 Navy Houses and Commercial Buildings in Okinawa,
30 Navy Homes in Korea, and 100 Army houses in Kentucky
as well as to
evaluate and design Radon Mitigation Systems for
Kadena Air Force Base in Okinawa

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The WPB crew the first week in Okinawa installing systems for the Navy (Sept - 2002)

 

Military Housing in the Pacific is mostly
 slab on grade.

 We often had to core through 22" of reinforced concrete to get into the sub-slab.



 
 

The sub-slab material was often compacted fill.

A radon fan was temporarily installed to measure the pressure field extension to determine if additional suction holes needed to be installed.

 
 




 

If the sub-slab material was very compacted you can sometimes extend the pressure field by boring in with a high pressure water jet.

 

 
 

Test holes were drilled in the slab to measure the pressure field extension with the test fan or radon fan running.



 
 

Multi-Fan Single Suction Systems installed on a commercial building in Okinawa.

 
 

Monolithic slabs often required the suction point to extend into the room.

In this unit the piping was recessed below the floor to minimize the final system intrusion into the space.



 
 

The pipe was then routed to the outside patio.

The walls required diamond coring because of the reinforced concrete
 

 
 

The pipe was then routed through the roof which also required coring because of the reinforced concrete
 



 
 

The radon fan was either bolted to the roof or routed up an addition wall to the highest location.

The cored holes were carefully flashed.

 
  The salt from the Pacific air
 is very corrosive.

  Stainless steel fasteners
 and pipe clamps
 were used with
 aluminum or galvanized
 uni-strut to secure the piping.


 
 

 

Multiplex buildings often had crawl spaces under the  plumbing areas.

This crawl space was temporarily depressurized to determine the amount of air required to maintain adequate negative pressure.

 

 

 

Of course we had to enjoy the culture, food, hiking, shopping
 and scuba diving where ever we went.

If you have any questions please feel free to call Bill at 610 346-8004
 
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2008 Bill Brodhead          Call WPB Office  at  610 346-8004 for Estimates or Information