21. The work referred to in sections 4, 5 and 10 that is covered by standard specification BNQ 1809-300 — Travaux de construction — Clauses techniques générales — Conduites d’eau potable et d’égout, must be carried out in accordance with the most recent edition of that specification, except its Chapter 12.
The standard specification is used as a minimum baseline. A specification separate from the standard specification may be used as long as the clauses of the specification do not lower the clauses of the standard specification.