[Code of Federal Regulations]
[Title 46, Volume 2]
[Revised as of October 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 46CFR54.25-8]

[Page 163]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 54_PRESSURE VESSELS--Table of Contents
 
 Subpart 54.25_Construction With Carbon, Alloy, and Heat Treated Steels
 
Sec. 54.25-8  Radiography (modifies UW-11(a), UCS-57, UNF-57, UHA-33, 
and UHT-57).

    (a) Full radiography is required for all Class I and Class I-L 
vessels regardless of thickness. (Refer to Table 54.01-5(b) for 
applicable requirements.)
    (b) Class II-L vessels shall be spot radiographed. The exemption 
provided in UW-11(c) of the ASME Code does not apply. (Refer to Table 
54.01-5(b) for applicable requirements.)
    (c) Each butt welded joint in a Class II or III pressure vessel 
cargo tank must be spot radiographed, in accordance with UW-52, 
regardless of diameter or thickness, and each weld intersection or 
crossing must be radiographed for a distance of at least 10 thicknesses 
from the intersection.

[CGFR 68-82, 33 FR 18828, Dec. 18, 1968, as amended by CGD 85-061, 54 FR 
50964, Dec. 11, 1989]