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API 570

Piping Inspection Code Inspection, Repair, Alteration, and Rerating of In-Service Piping Systems

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Organization: API
Publication Date: 1 October 1998
Status: inactive
Page Count: 54
scope:

GENERAL APPLICATION

Coverage

API 570 covers inspection, repair, alteration, and rerating procedures for metallic piping systems that have been in-service.

Intent

API 570 was developed for the petroleum refining and chemical process industries but may be used, where practical, for any piping system. It is intended for use by organizations that maintain or have access to an authorized inspection agency, a repair organization, and technically qualified piping engineers, inspectors, and examiners, all as defined in Section 3.

Limitations

API 570 shall not be used as a substitute for the original construction requirements governing a piping system before it is placed in-service; nor shall it be used in conflict with any prevailing regulatory requirements.

SPECIFIC APPLICATIONS

Included Fluid Services

Except as provided in 1.2.2, API 570 applies to piping systems for process fluids, hydrocarbons, and similar flammable or toxic fluid services, such as the following:

a. Raw, intermediate, and finished petroleum products.

b. Raw, intermediate, and finished chemical products.

c. Catalyst lines.

d. Hydrogen, natural gas, fuel gas, and flare systems.

e. Sour water and hazardous waste streams above threshold limits, as defined by jurisdictional regulations.

f. Hazardous chemicals above threshold limits, as defined by jurisdictional regulations.

Excluded and Optional Piping Systems

The fluid services and classes of piping systems listed below are excluded from the specific requirements of API 570 but may be included at the owner's or user's (owner/user's) option.

a. Fluid services that are excluded or optional include the following:

1. Hazardous fluid services below threshold limits, as defined by jurisdictional regulations.

2. Water (including fire protection systems), steam, steam-condensate, boiler feed water, and Category D fluid services, as defined in ASME B31.3.

b. Classes of piping systems that are excluded or optional are as follows:

1. Piping systems on movable structures covered by jurisdictional regulations, including piping systems on trucks, ships, barges, and other mobile equipment.

2. Piping systems that are an integral part or component of rotating or reciprocating mechanical devices, such as pumps, compressors, turbines, generators, engines, and hydraulic or pneumatic cylinders where the primary design considerations and/or stresses are derived from the functional requirements of the device.

3. Internal piping or tubing of fired heaters and boilers, including tubes, tube headers, return bends, external crossovers, and manifolds.

4. Pressure vessels, heaters, furnaces, heat exchangers, and other fluid handling or processing equipment, including internal piping and connections for external piping.

5. Plumbing, sanitary sewers, process waste sewers, and storm sewers.

6. Piping or tubing with an outside diameter not exceeding that of NPS ½.

7. Nonmetallic piping and polymeric or glass-lined piping.

FITNESS-FOR-SERVICE

This inspection code recognizes fitness-for-service concepts for evaluating in-service degradation of pressure containing components. API RP 579 provides general requirements and detailed assessment procedures for specific types of degradation that are referenced in this code.

Document History

February 1, 2016
Piping Inspection Code: In-service Inspection, Rating, Repair, and Alteration of Piping Systems
General Application Coverage API 570 covers inspection, rating, repair, and alteration procedures for metallic and fiberglass-reinforced plastic (FRP) piping systems and their associated pressure...
February 1, 2016
Piping Inspection Code: In-service Inspection, Rating, Repair, and Alteration of Piping Systems
General Application Coverage API 570 covers inspection, rating, repair, and alteration procedures for metallic and fiberglass-reinforced plastic (FRP) piping systems and their associated pressure...
February 1, 2016
Piping Inspection Code: In-service Inspection, Rating, Repair, and Alteration of Piping Systems
General Application Coverage API 570 covers inspection, rating, repair, and alteration procedures for metallic and fiberglass-reinforced plastic (FRP) piping systems and their associated pressure...
February 1, 2016
Piping Inspection Code: In-service Inspection, Rating, Repair, and Alteration of Piping Systems
General Application Coverage API 570 covers inspection, rating, repair, and alteration procedures for metallic and fiberglass-reinforced plastic (FRP) piping systems and their associated pressure...
November 1, 2009
Piping Inspection Code: In-service Inspection, Rating, Repair, and Alteration of Piping Systems
General Application Coverage API 570 covers inspection, rating, repair, and alteration procedures for metallic and fiberglass reinforced plastic (FRP) piping systems and their associated pressure...
570
October 1, 1998
Piping Inspection Code Inspection, Repair, Alteration, and Rerating of In-Service Piping Systems
1 Scope 1.1 GENERAL APPLICATION 1.1.1 Coverage API 570 covers inspection, repair, alteration, and rerating procedures for metallic piping systems that have been in-service. 1.1.2 Intent API 570 was...
October 1, 1998
Piping Inspection Code; Inspection, Repair, Alteration, and Rerating of In-Service Piping Systems
1 Scope 1.1 GENERAL APPLICATION 1.1.1 Coverage API 570 covers inspection, repair, alteration, and rerating procedures for metallic piping systems that have been in-service. 1.1.2 Intent API 570 was...
October 1, 1998
Piping Inspection Code Inspection, Repair, Alteration, and Rerating of In-Service Piping Systems
GENERAL APPLICATION Coverage API 570 covers inspection, repair, alteration, and rerating procedures for metallic piping systems that have been in-service. Intent API 570 was developed for the...
API 570
October 1, 1998
Piping Inspection Code Inspection, Repair, Alteration, and Rerating of In-Service Piping Systems
GENERAL APPLICATION Coverage API 570 covers inspection, repair, alteration, and rerating procedures for metallic piping systems that have been in-service. Intent API 570 was developed for the...
October 1, 1998
Piping Inspection Code Inspection, Repair, Alteration, and Rerating of In-Service Piping Systems
GENERAL APPLICATION Coverage API 570 covers inspection, repair, alteration, and rerating procedures for metallic piping systems that have been in-service. Intent API 570 was developed for the...
June 1, 1993
Piping Inspection Code; Inspection, Repair, Alteration, and Rerating of In-Service Piping Systems
Coverage: API 570 covers inspection, repair, alteration, and rerating procedures for metallic piping systems that have been in-service. API 570 was developed for the petroleum refining and chemical...

References

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