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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