Okla. Admin. Code § 252:515-11-58

Current through Vol. 41, No. 19, June 17, 2024

Section 252:515-11-58 - Field seam tests

(a)Frequency. The installer shall make a trial weld at the beginning of every day and every five working hours. Each seamer shall make at least one trial seam per day for each seaming device used during that day. Additional trial seams may be required.

(b)Non-destructive tests. The installer shall perform vacuum, pressure or air lance tests over the full length of all field seams. Vacuum tests must be observed for a minimum of five seconds.

(c)Destructive seam laboratory tests. Samples of field welds shall be collected at least every 500 feet for laboratory destructive testing. Tests to be completed include:

(1) shear test by method ASTM D882; and

(2) peel test by method ASTM D413, or equivalent.

(d)Repairs. All holes in the FML resulting from destructive seam sampling shall be repaired. Non-destructive tests must be performed on all repairs.

Okla. Admin. Code § 252:515-11-58

Added at 20 Ok Reg 1151, eff 6-1-03