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46 C.F.R. PART 56--PIPING SYSTEMS AND APPURTENANCES

TITLE 46--Shipping

CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY

SUBCHAPTER F--MARINE ENGINEERING

PART 56--PIPING SYSTEMS AND APPURTENANCES

Subpart 56.01--GENERAL

�56.01-1

Scope (replaces 100.1).

�56.01-2

Incorporation by reference.

�56.01-3

Power boiler external piping (Replaces 100.1.1, 100.1.2, 111.6, 122.1, 132 and 133).

�56.01-5

Adoption of ANSI (American National Standards Institute) Code B31.1 for pressure and power piping, and other standards.

�56.01-10

Plan approval.

Subpart 56.04--PIPING CLASSIFICATION

�56.04-1

Scope.

�56.04-2

Piping classification according to service.

�56.04-10

Other systems.

Subpart 56.07--DESIGN

�56.07-5

Definitions (modifies 100.2).

�56.07-10

Design conditions and criteria (modifies 101-104.7).

Subpart 56.10--COMPONENTS

�56.10-1

Selection and limitations of piping components (replaces 105 through 108).

�56.10-5

Pipe.

Subpart 56.15--FITTINGS

�56.15-1

Pipe joining fittings.

�56.15-5

Fluid-conditioner fittings.

�56.15-10

Special purpose fittings.

Subpart 56.20--VALVES

�56.20-1

General.

�56.20-5

Marking (reproduces 107.2).

�56.20-7

Ends.

�56.20-9

Valve construction.

�56.20-15

Valves employing resilient material.

�56.20-20

Valve bypasses.

Subpart 56.25--PIPE FLANGES, BLANKS, FLANGE FACINGS, GASKETS, AND BOLTING

�56.25-5

Flanges.

�56.25-7

Blanks.

�56.25-10

Flange facings.

�56.25-15

Gaskets (reproduces 108.4).

�56.25-20

Bolting.

Subpart 56.30--SELECTION AND LIMITATIONS OF PIPING JOINTS

�56.30-1

Scope (replaces 110 through 118).

�56.30-3

Piping joints (reproduces 110).

�56.30-5

Welded joints.

�56.30-10

Flanged joints (modifies 104.5.1(a)).

�56.30-15

Expanded or rolled joints.

�56.30-20

Threaded joints.

�56.30-25

Flared, flareless, and compression fittings.

�56.30-27

Caulked joints.

�56.30-30

Brazed joints.

�56.30-35

Gasketed mechanical couplings.

�56.30-40

Flexible pipe couplings of the compression or slip-on type.

Subpart 56.35--EXPANSION, FLEXIBILITY AND SUPPORTS

�56.35-1

Pipe stress calculations (replaces 119.7).

�56.35-10

Nonmetallic expansion joints (replaces 119.5.1).

�56.35-15

Metallic expansion joints (replaces 119.5.1).

Subpart 56.50--DESIGN REQUIREMENTS PERTAINING TO SPECIFIC SYSTEMS

�56.50-1

General (replaces 122.6 through 122.10).

�56.50-10

Special gaging requirements.

�56.50-15

Steam and exhaust piping.

�56.50-20

Pressure relief piping.

�56.50-25

Safety and relief valve escape piping.

�56.50-30

Boiler feed piping.

�56.50-35

Condensate pumps.

�56.50-40

Blowoff piping (replaces 102.2.5(d)).

�56.50-45

Circulating pumps.

�56.50-50

Bilge and ballast piping.

�56.50-55

Bilge pumps.

�56.50-57

Bilge piping and pumps, alternative requirements.

�56.50-60

Systems containing oil.

�56.50-65

Burner fuel-oil service systems.

�56.50-70

Gasoline fuel systems.

�56.50-75

Diesel fuel systems.

�56.50-80

Lubricating-oil systems.

�56.50-85

Tank-vent piping.

�56.50-90

Sounding devices.

�56.50-95

Overboard discharges and shell connections.

�56.50-96

Keel cooler installations.

�56.50-97

Instrument, control and sampling piping (modifies 122.3).

�56.50-103

Fixed oxygen-acetylene distribution piping.

�56.50-105

Low-temperature piping.

�56.50-110

Diving support systems.

Subpart 56.60--MATERIALS

�56.60-1

Acceptable materials and specifications (replaces 123 and Table 126.1 in ANSI-B31.1).

�56.60-2

Limitations on materials.

�56.60-3

Ferrous materials.

�56.60-5

Steel (High temperature applications).

�56.60-10

Cast iron and malleable iron.

�56.60-15

Ductile iron.

�56.60-20

Nonferrous materials.

�56.60-25

Nonmetallic materials.

Subpart 56.65--FABRICATION, ASSEMBLY AND ERECTION

�56.65-1

General (replaces 127 through 135.4).

Subpart 56.70--WELDING

�56.70-1

General.

�56.70-3

Limitations.

�56.70-5

Material.

�56.70-10

Preparation (modifies 127.3).

�56.70-15

Procedure.

�56.70-20

Qualification, general.

Subpart 56.75--BRAZING

�56.75-5

Filler metal.

�56.75-10

Joint clearance (reproduces 128.2.2).

�56.75-15

Heating (reproduces 128.2.3).

�56.75-20

Brazing qualification.

�56.75-25

Detail requirements.

�56.75-30

Pipe joining details.

Subpart 56.80--BENDING AND FORMING

�56.80-5

Bending.

�56.80-10

Forming (reproduces 129.2).

�56.80-15

Heat treatment of bends and formed components.

Subpart 56.85--HEAT TREATMENT OF WELDS

�56.85-5

Heating and cooling method (reproduces 131.1).

�56.85-10

Preheating.

�56.85-15

Postheat treatment.

Subpart 56.90--ASSEMBLY

�56.90-1

General.

�56.90-5

Bolting procedure.

�56.90-10

Threaded piping (reproduces 135.4).

Subpart 56.95--INSPECTION

�56.95-1

General (replaces 136).

�56.95-5

Rights of access of marine inspectors.

�56.95-10

Type and extent of examination required.

Subpart 56.97--PRESSURE TESTS

�56.97-1

General (replaces 137).

�56.97-5

Pressure testing of nonstandard piping system components.

�56.97-25

Preparation for testing (reproduces 137.3).

�56.97-30

Hydrostatic tests (reproduces 137.4).

�56.97-35

Pneumatic tests (replaces 137.5).

�56.97-38

Initial service leak test (reproduces 137.7).

�56.97-40

Installation tests.