Percentages

Question 1

NDE - Limits of RT Film Density of weld as compared to IQI

Answer 1

-15 to +30% ASME V: T-282.2.a.1

Question 2

Design - Mill Tolerance of Seamless Pipe

Answer 2

-12.5% 574: 4.1.1.3

Question 3

Pipe Class - % of H2S in process to classify as Class 1 Pipe

Answer 3

Equal to or > 3% 570: 6.3.4.2.c

Question 4

NDE - % of welds to RT when fabricating Normal Service Pipe

Answer 4

5% B31.3: 341.4.1.b.1

Question 5

NDE - % of welds to VT when fabricating Normal Service Pipe

Answer 5

5% B31.3: 341.4.1.a.2

Question 6

NDE - % of welds to Brinnell after PWHT in furnace (if BHN are required)

Answer 6

10% B31.3: 331.1.7.a

Question 7

NDE – Overlap with a UT scan, % of transducer diameter

Answer 7

10% 574: 10.2.1.4.3

Question 8

AI – Amount of time inspector must be involved in inspection activities - required to maintain API 570 certification

Answer 8

20% 570: A.3.2

Question 9

Mtls – Amount of nickel required for a material to be considered a nickel alloy

Answer 9

> 30% 571: 3.1.15

Question 10

NDE - % of welds to Brinnell after local PWHT (if BHN is reqd)

Answer 10

100% B31.3: 331.1.7.a

Question 11

NDE - % of Visual & RT required when fabricating Severe Cyclic Pipe

Answer 11

100% B31.3: 341.4.3.a.1/b

Question 12

Testing - Pneumatic test pressure, % of design pressure

Answer 12

110% B31.3: 345.5.4

Question 13

Testing - Leak test pressure of underground pipe, % of operating pressure

Answer 13

110% 570: 9.3.7

Question 14

PRV - Maximum set pressure for thermal relief valves, % of design pressure

Answer 14

120% B31.3: 322.6.3.b.2