{"data":{"id":"us/46-cfr-52.01-100","jurisdiction":"us","citation":"46 CFR 52.01-100","heading":"-100 Openings and compensation (modifies PG-32 through PG-39, PG-42 through PG-55).","body":"(a) The rules for openings and compensation must be as indicated in PG-32 through PG-55 of Section I of the ASME BPVC (incorporated by reference; see § 52.01-1) except as noted otherwise in this section.\n(b) (Modifies PG-39.) Pipe and nozzle necks must be attached to vessel walls as indicated in PG-39 of Section I of the ASME BPVC except that threaded connections must not be used under any of the following conditions:\n(c) (Modifies PG-42.) Butt-welding flanges and fittings must be used when full radiography is required by § 56.95-10 of this subchapter.","path":["Title 46—Shipping","CHAPTER I—COAST GUARD, DEPARTMENT OF HOMELAND SECURITY","SUBCHAPTER F—MARINE ENGINEERING","PART 52—POWER BOILERS","Subpart 52.01—General Requirements"],"source_url":"https://www.ecfr.gov/api/versioner/v1/full/2026-08-25/title-46.xml","current_through":"2026-08-25","vintage":"","retrieved_at":"2026-08-27T02:26:22Z","sha256":"f1fbe17b33eb3b481a7b1c20ec457e6f7c6e00137c2fdd2ced0971e91f919467","source_id":"us-cfr","stale":true,"prev":"us/46-cfr-52.01-95","next":"us/46-cfr-52.01-105"},"notice":"GroundRules: Original legal text. Not legal advice."}