CSA Z662:23

  • standard by CSA Group, 06/30/2023
  • Oil and gas pipeline systems
  • Category: CSA GROUP

$798.00 $399.00

Full Description

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Preface

This is the ninth edition of CSA Z662, Oil and gas pipeline systems. It supersedes the previous editions published in 2019, 2015, 2011, 2007, 2003, 1999, 1996, and 1994.

The following are the significant changes to this edition:

a) Clause 3and Annex Ahave been revised to provide a common framework for audits;

b) Clauses 4and 7have been revised to address concerns with gross girth weld strength under-matching and heat affected zone softening, when welding high strength line pipe for a stress based design pipeline;

c) Clause 17, on composite reinforced steel pipelines, has been deleted. A new Clause 17, on hydrogen and hydrogen blend pipeline systems, has been added.

d) For hydrogen and renewable gas:

i) the scope has been updated to

1) confirm hydrogen and hydrogen blends are included in the standard;

2) confirm that renewable gas is equivalent to wellsite produced gas; and

3) clarify that other gas sources and processes, not just wellsites, can produce hydrogen and renewable gas;

ii) a new Clause 17had been added to formally integrate hydrogen requirements into this Standard; and

iii) changes have been made throughout this Standard to aid with handling unique design,

material, construction, and operational requirements for pipelines containing hydrogen.

e) For safety class:

i) changes have been made in Clauses 4and 10to permit pressure design in accordance with Annex C;

ii) Annex Chas been revised to include a safety class designation approach for a selection of service fluids. Where Annex Cis used for pressure design, safety class is used instead of class location, as a basis for defining the maximum allowable hoop stress;

iii) Annex Chas been revised to include a table that maps the safety class determined according to the Annex onto a class location. The class location derived from this table is used as a basis for identifying the applicable requirements in all other class-location-dependent clauses of this Standard.

f) Clause 7.7.4.3and Table 7.4have been revised to allow the use of volumetric NDE to replace nick breaks for welding procedure qualification and welder qualification and expand the allowable limits of porosity in nick breaks;

g) New content has been added to Clause 10provide more clarity for the necessary right-of way activities to continuously address potential hazards to the pipeline system.

h) Clause 12.5.7has been aligned to Clause 5.7.1in regard to a more prescriptive requirement for records retention to include retention of material test reports for all steel pipe and components.

i) Additional content has been added to Clause 12to address cross bore mitigation.

j) Annex B has been revised to include more detailed requirements for performing a risk assessment and quantitative acceptance criteria for safety and environmental risks.

k) Annex N has been revised to align with the Annex B revisions.

l) Revisions have been made to the requirements for the design pressure and design wall thickness of field cold bends made from steel pipe, where the longitudinal axis is not deflected more than 1.5° in any length along the axis equal to the outside diameter of the pipe.

m) A new requirement has been introduced to obtain and retain material test reports for pipe and components.

n) Requirements have been expanded for threaded or welded auxiliary connections on blind flanges of various sizes.

o) Additional limitations have been imposed on ASTM A105/A105M flanges.

p) New requirements have been introduced for induction and cold bends through reference to specifications in CSA Z245.16 and Z245.17.

q) New requalification requirements have been introduced for coated pipe in extended storage.

r) New requirements have been introduced for hydrovac or air-vac operations.

s) Requirements have been updated for fluids containing H2S.

t) Requirements have been updated for cyclic pressure in reinforced composite pipelines, and new requirements for pulsation dampeners.

u) New requirements have been introduced for use of reinforced composite pipe in gas transmission service.

v) New requirement has been added for certain transition pieces to be registered as per CSA B51.Product Details

Edition:
9th
Published:
06/30/2023
ISBN(s):
9781488345678
Number of Pages:
1001
File Size:
1 file , 9.9 MB
Product Code(s):
2430394, 2430394
Note:
This product is unavailable in Russia, Ukraine, Belarus

Document History

CSA Z662:23

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CSA Z662.1-01

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