Boric Acid

Question 1

How many boric acid storage tanks are there?

Answer 1

2, 1AB03T and 2AB03T

Question 2

How many boric acid transfer pumps are there?

Answer 2

3, 0AB03P, 1AB03P and 2AB03P

Question 3

What is the concentration of boric acid used at Braidwood?

Answer 3

4% by weight

Question 3

What is the minimum temperature for 4% boric acid?

Answer 3

65 F

Question 5

What are the modes of operation of RMCS?

Answer 5

Off, Auto, Manual, Borate, Dilute, Alternate Dilute

Question 6

How many boration flowpaths are required in modes 4 and 5 per the TRM?

Answer 6

1 flowpath from either the boric acid transfer pumps or the RWST

Question 6

How many boration flowpaths are required in modes 1-3 per the TRM?

Answer 6

2 flowpaths, one from RWST through CVCS and either one from the boric acid transfer pumps or an additional flowpath from the RWST

Question 8

What is the TRM BAST minimum temperature requirement?

Answer 8

65 F

Question 9

What is the TRM BAST minimum boron concentration?

Answer 9

7000 ppm

Question 10

What is the TRM BAST minimum level requirement in modes 1-4?

Answer 10

40%

Question 10

What is the TRM BAST minimum level requirement in mode 5?

Answer 10

8%

Question 11

What are the inputs to the RHUTs?

Answer 11

CV letdown, RCDT pumps, SI accumulator flsuh, AB Blender, VCT and ECCS reliefs, RWST liner leak detection, FC, WE