Overly Door Co. - Radiation Shielding Door

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Radiation Shielding Door

MasterFormat: Metal Doors and Frames | Metal Doors | Special Function Doors...



Overly Door Co.
574 West Otterman Street
Greensburg, PA 15601
Tel: (800) 979-7300
Fax: (724) 830-2871

overly@overly.com

http://www.overly.com

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Overview


Radiation Shielding Door

Overly custom fabricates a large range of shielding doors for installations such as research & test laboratories, hot cells, medical facilities, & communications centers. Depending upon the hazard, doors may be constructed of solid steel plate or supplied with cores of lead, concrete, or borated polyethylene. Additionally, power operation & special hardware, including electrical interlocks for controlled areas, are available.

Oak Ridge National Laboratory
This barytes concrete-filled radiation shielding door was designed and manufactured by Overly Door Company for an accelerator-based epithermal neutron irradiation facility. The massive door opens and closes with a push of a button by an Overly "wheel-driven" electro-mechanical operator.

The door controls include varied sensor technologies and programmable logic to assure compliance with site safety and security missions. Active and passive infra-red sensors, as well as microwave sensors, are employed to detect both personnel and inanimate objects which might interfere with, or be impacted by, door motion. The system shown employs four infrared sensors, and one microwave sensor.

For opening requests, this suite of sensors and programmable logic inhibit opening motion if people or objects lie, or move into, the door sweep area. For closing requests, the motor drive will stop and/or auto-reverse upon detection of interference. In security-conscious venues, similar doors have been designed with robust interlock logic tied to single-point control centers, external sensors, and to other doors. For example, controls may include airlock logic which ensures "Door A" is shut and locked prior to permitting "Door B" to open, and vice versa. The Overly Door Company specializes in providing custom-designed programmable controls which address site-specific needs, typically beyond the scope of generic control offerings.


Bristol Myers Squibb Cyclotron Concrete-Filled Rolling Plug Door

6'-0" Wide x 8'-6" Tall x 7'-0" Thick Radiation Shielding Door

Lawrence Livermore National Laboratory (LLNL)
National Ignition Facility (NIF)

Contractors install a 172" wide x 117" high x 72" thick concrete-filled shielding door at the Lawrence Livermore National Laboratory (LLNL) National Ignition Facility (NIF).


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