U.S. Reactor Containment Technology: a Compilation of Current Practice in Analysis, Design, Construction, Test, and Operation, Volume 1 Page: 1-43
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hundred pounds, depending upon the energy released in the accident and
the volume enclosed. If the entire plant, including the turbine-generators,
is contained, as shown schematically in Fig. 1.9, the large resulting con-
tainment volume will give rise to a low containment pressure. Although
not typical for boiling-water reactors, such a containment system was
employed on the BONUS facility in Puerto Rico. On the other hand, the
contained volume may be minimized by the enclosure of only the reactor and
the primary system, as shown schematically in Fig. 1.10, and the resulting
pressure will be relatively high. The new ASME Code, designated Section
III, Rules for Construction of Nuclear Vessels, covers containment vessels
having a design pressure greater than 5 psig. This pressure is now gen-
erally considered the dividing line between high-pressure containment and
low-pressure containment. The division is merely one of definition, and
the design considerations previously noted will establish design pressure
of a containment structure either at or below 5 psig or substantially
OQ I' ]:. .- R
Low-Pressure Containment Shown with Boiling-Water Reactor.
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Cottrell, William B. & Savolainen, A. W. U.S. Reactor Containment Technology: a Compilation of Current Practice in Analysis, Design, Construction, Test, and Operation, Volume 1, report, August 1965; Oak Ridge, Tennessee. (https://digital.library.unt.edu/ark:/67531/metadc101033/m1/71/: accessed March 21, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.