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ISO/NP 24359-2

Building commissioning process planning — Part 2: Existing buildings

General information

10.20     Sep 11, 2026

ISO

ISO/TC 205

International Standard

Scope

This proposed standard specifies the process for developing a commissioning plan for existing buildings. The commissioning plan describes the procedures to verify and document that the performance of the building in operation meets the owner’s requirements. This standard provides a general framework for commissioning plan development and is intended to be used in conjunction with system- or discipline-specific standards.

This standard constitutes Part 2 of the ISO 24359 series and does not cover the commissioning plans for new construction, major renovations, or system and assembly replacement projects, which were addressed in Part 1.

Life cycle

NOW

PROJECT
ISO/NP 24359-2
10.20 New project ballot initiated
Sep 11, 2026