CSA Z252:23

Preface

This is the first edition of CSA Z252, Volumetric modular construction — Guide to compliance and approval processes. CSA Group acknowledges that the development of this Document was made possible, in part, by the financial support of Bird Construction, Groupe RCM, the Modular Building Institute, ROC Modular Inc., Stack Modular, and Z Modular Inc. This Guide was prepared by the Technical Committee on Volumetric Modular Construction, under the jurisdiction of the Strategic Steering Committee on Construction and Civil Infrastructure, and has been formally approved by the Technical Committee.

Scope

1.1 General

This Guide provides Canadian best practices for the process of inspecting, reviewing, and approving modular construction projects for partially or fully enclosed modules that are constructed in an off-site factory and transported and installed at the final location. These guidelines are intended for construction, inspection, and reviewing of permanent modular buildings of any size and occupancy. This Guide includes information on a) plans preparation and review; b) permit application package inclusions; c) site/development permit inclusions; d) codes and standards applicable to modular construction; e) factory certification program procedures; f) third-party inspection agencies’ roles and responsibilities; g) transportation and storage practices; and h) recommended on-site installation and inspection procedures. Note: The appropriate provincial/territorial regulatory body may be consulted for the roles and responsibilities of professionals.

1.2 Terminology

In this Guide, “should” is used to express a recommendation or that which is advised but not required, and “may” is used to express an option or that which is permissible within the limits of the Guide. Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to provide explanatory text or informative material. Notes to tables and figures are considered part of the table or figure and may be written as requirements. Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.