1. Length
2. Nominal outside diameter, "D". inches
3. Nominal wall thickness, "t", inches
4. Type and/or grade of pipe
5. Manufacturer of steel
6. Manufacturer of pipe
7. Type of longitudinal joint
8. Specified minimum yield strength, psi
9. Nominal ultimate strength, psi
10. Is pipe new or used?
11. If used pipe is employed, describe the inspection and reconditioning
12. Mill test pressure, psi
13. Maximum certified operating pressure, psi
14. Calculated pipe stress (hoop stress)
Where:
15. Ratio of pipe stress to yield strength, percent
16. Check of pipe specifications:
(a) Are the physical and chemical specifications of pipe to be verified by outside laboratories?
(b) By whom?
17.
(a) By class locations, what percentage of the welds are to be radiographed?
(b) By whom?
(c) How will gas corporation certify the radiograph technician?