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1. Water supply
2. Primary water make-up
3. Reactor water clean-up
4. De-aeration
5. Emergency shut-down cooling
a. Evaporative condenser
b. Core spray system
6. Chemical shut-down
7. Pressure relief
8. Secondary cooling water treatment system
9. Shield cooling
10. Fuel storage pit cooling and clean-up
11. General purpose cooling water
12. Waste retention and discharge storage
13. Hydrostatic testing
14. Sampling
These systems are shown in Figs. 10, 11 and 12.
1. Water Supply System
The water supply system is divided into plant supply and
domestic supply. Raw water is obtained from two deep well pumps located
in the Auxiliary Equipment Area and is stored in a 100,000-gal tank, elevated
100 ft above grade and located adjacent to the Auxiliary Equipment Area, and
in a 750-gal domestic supply tank located in the control building basement.
The well pumps can be actuated either by a level-sensitive
switch system in the high tank or by a pressure-sensitive switch system in
the domestic supply tank. The switch systems also actuate motor-operated
stop valves in their respective supply lines to direct the pumped water to the
desired storage facility.
Water from the inlet line to the high tank feeds through the
water treatment system either to the heat exchanger secondary coolant feed-
water pumps or to a 1000-gal capacity treated water storage tank for general
plant use. The level in this tank is maintained by a pressure-actuated switch
and air bleeder system of the conventional type, except that the switch actuates
a motor-operated valve in the supply line from the water treatment system.
Any possibility of back flow of water from the plant system to the domestic
system is prevented by a series of check valves. These items are located
in the Auxiliary Equipment Area.
The pressure-actuated switch and air bleeder sys-
tem in the domestic supply tank maintain pressure in the tank be-
tween 60 and 80 psig. This water is distributed in the control
building to sanitary facilities to serve the personal needs of

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Fromm, L.W.; Bernsen, S.A.; Bullinger, C.F. & Matousek, J.F. PRELIMINARY DESIGN REQUIREMENTS ARGONNE BOILING REACTOR (ARBOR) FACILITY. Revision I, report, July 15, 1957; Lemont, Illinois. ( accessed April 23, 2019), University of North Texas Libraries, Digital Library,; crediting UNT Libraries Government Documents Department.

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