CSA Z341

Description

This Supplement sets out minimum requirements for the design, construction, operation, maintenance, abandonment, and safety storage of hydrogen and hydrogen blends in underground formations and associated equipment. The equipment considered includes
a) storage wellhead and Christmas tree assemblies;
b) wells and subsurface equipment; and
c) safety equipment, including monitoring, control, and emergency shutdown systems.

This Supplement is to be used concurrently with CSA Z341.1 and CSA Z341.2. Unless otherwise specified, all references to hydrocarbons or stored fluids in CSA Z341.1 and CSA Z341.2 mean hydrogen or hydrogen blend. Where no changes are identified in this Supplement, CSA Z341.1 and CSA Z341.2 apply.
This Supplement has been designed to complement provincial and/or federal regulatory frameworks and does not mandate regulatory requirements unless referenced in provincial and/or federal regulations. This Supplement provides advisory guidance that can be followed to demonstrate