Operating limits Hanford Production Reactors. Revision 2 Page: 13 of 26
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DS-76327 RD Rev 2
ULL3 Page 9
reactivity for reactor operation.
E Coolant Requirements with Irradiated Fuel in the Reactor
1. During shutdown conditions the minimum flow shall be 1000 GPM at the
B, C, D, DR, F, and H Reactors and 2000 GPM to the K Reactors, and there
shall be a positive pressure differential on the top fuel tubes.
2. Coolant water shall be available from reservoirs during reactor operation
to provide the following coolant capacities:
Available Water Storage - 106 cal.
B,DDR,F,H C KE,KW
Full normal flow for 15 minutes 1.40 1.58 3.15
Transient shutdown plus minimum 6.35 7.17 13.10
of 24-hour shutdown cooling
TOTAL 7.75 8.75 16.25
3. Each reactor coolant system shall consist of three independent, reliable
sources of coolant supply as follows:
a. Primary Cooling System
The primary cooling system shall be designed to:
1) Be capable of providing adequate process channel cooling during
all phases of normal reactor operation and shutdown.
b. Secondary Cooling System
The secondary cooling system shall be designed to:
1) Be capable of providing adequate process channel cooling indefinitely
immediately following a reactor scram from full level, assuming
instantaneous loss of power to the primary cooling system. The
minimum design flow of this system shall be as follows:
EJLASSFI--
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Owsley, G. F. Operating limits Hanford Production Reactors. Revision 2, report, May 20, 1963; Richland, Washington. (https://digital.library.unt.edu/ark:/67531/metadc1277579/m1/13/: accessed July 16, 2024), University of North Texas Libraries, UNT Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.