Table 1: Key design parameters

1 January 2000

[1] Best-estimate values

	Parameter	units	As-required	As-designed
1	Thermal rating (@ 100% reactor power)	MWt	1729	1729
2	Design pressure: primary side	MPa (Psia)	17.24 (2500)	17.24 (2500)
3	Design temperature: primary side	°C (°F)	343 (650)	343 (650)
4	Design pressure: secondary side	MPa (Psia)	7.58 (1100)	7.58 (1100)
5	Design temperature: secondary side	°C (°F)	293 (560)	293 (560)
6	Steam pressure (at RSG outlet nozzle)	MPa (Psia)	≤6.21 (900)	5.74 (833) (1)
7	RCS design flow (0% tubes plugged)	% /lpm (gpm)	≤106.5/958,615	106/954,114
			-210,870	(209,880)[1]
8	Tube plugging margin	%	≥8	8
9	Primary coolant volume	m3 (ft3)	≤57.2 (2020)	56.7 (2003)
10	Moisture carryover (at 100% design steam flow)	%	< 0.10	<0.10
11	Continuous blowdown (at 100% power)	%	≥2	2
12	Upper shell outside diameter	mm (in)	≤6709 (264 1/8)	6709 (264 1/8)
13	Lower shell outside diameter	mm (in)	≤4531 (178 3/8)	4436 (174.65)
14	Overall vessel height	mm (in)	19,964 (786)	19,954 (785.6)
15	Steam/water weight (at 0% power)	kg (Lbm)	≤127,458	122681
			-280,991	-270,460
16	Steam/water weight (at 100% power)	kg (Lbm)	≤83,474	77,679
			-184,026	-171,250
17	Total operating weight (at 100% power)	kg (Lbm)	≤710,181	702,490
			-1,565,654	-1,548,700
18	Operating centre of gravity (at 100% power)	mm (in)	9681-9703	9855 (388)
			(381 9/16-382)

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