OHS Code

Published Date: July 01, 2009
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Part 37 Oil and Gas Wells

Section 783 Well site piping system

(1) An employer must ensure that piping systems installed and maintained at a well site

(a) are designed, constructed, installed, operated and maintained to safely contain any material at the maximum operating pressures anticipated,

(b) meet the requirements of ANSI/ASME Standard B1.20.1-1983 (R2006), Pipe Threads, General Purpose (Inch), for threaded connections,

(c) are anchored during well testing, servicing and flowback in accordance with section 188, and

(d) have connections that are welded, flanged or hammer unions if pressures exceed 3000 kilopascals.

(2) Subsection (1) does not apply to low pressure water, steam, fuel, lubrication, pneumatic or conduit lines if the low pressure lines are clearly distinguishable from high pressure lines.