UA-69298255-1 UA-69298255-2

Z 662 Design General

Δ 4.1 General There is a commentary available for this Clause. Note: CSA PLUS 663 provides guidance related to land use planning for pipeline systems. 4.1.1 Clause 4 includes the requirements for the design of pipeline systems constructed primarily from steel, including compressor stations over 750 kW and pump stations over 375 kW. 4.1.2 There is a commentary available for this Clause. The design of corrosion control for steel pipeline systems shall be as specified in Clause 9.

4.1.3 The use of plastic, cast iron, copper, aluminum, and other materials in pipeline systems shall also meet the requirements of Clauses 12, 13, 15, and 17, where appropriate. 4.1.4 The design of offshore steel pipelines shall be as specified in Clause 11. 4.1.5 The design of steam distribution pipelines and high temperature (> 230 °C) pipelines shall be as specified in Clause 14. 4.1.6 The design of sour service pipelines shall also meet the requirements of Clause 16 where appropriate. Note: Clause 16.2 provides the definition of “sour service”. 4.1.7 Steel oil and gas pipelines may be designed as specified in Annex C, provided that such designs are suitable for the conditions to which such pipelines are to be subjected. 4.1.8 Onshore pipelines for non-sour service natural gas transmission may be designed as specified in Annex O. Where such design methods are used, the requirements of Clause O.1 shall be met in their entirety. 4.1.9 External coating systems for piping shall be selected as specified in Clause 9.1.4 or 9.1.9 and Clause 9.2, whichever is applicable. 4.1.10 Engineering assessments for design shall be conducted and documented in accordance with the requirements of Clause 3.3, and the analysis shall include consideration of the following, as applicable:

a) service fluid;

b) operating pressure and temperature range;

c) general and site-specific loading conditions;

d) material specifications and properties;

e) intended range of operating conditions;

f) loads and dynamic effects as specified in Clause 4.2;

g) manufacturing process and installation method;

h) technical data and test records;

i) potential modes of deterioration and means of detecting them;

j) control and protective devices;

k) environmental conditions and potential environmental consequences;

l) hazard type, frequency, and magnitude, including any hazards associated with the presence of

foreign structures or environmental conditions;

m) consequences of failure; and

n) potential changes to any of the above.

Read More:

CSA Z662-15 (Oil and gas pipeline systems)

Located in Calgary Alberta Canada we offer our Pipeline Engineering Services across Canada. To get our Piping Stress analysis Services, please contact our engineering firm at:



3705 Fonda Way #18 Southeast Calgary, T2A 6G9


+1 (587) 802-4050

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