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CSA A277

6th Edition, 2016

Complete Document

Procedure for certification of prefabricated buildings, modules, and panels

Includes all amendments and changes through Update 1, October 2018

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Product Details:

  • Revision: 6th Edition, 2016
  • Published Date: October 2018
  • Status: Active, Most Current
  • Document Language: English
  • Published By: CSA Group (CSA)
  • Page Count: 32
  • ANSI Approved: No
  • DoD Adopted: No

Description / Abstract:

This Standard specifies the procedure for certification of prefabricated buildings, and partially or fully enclosed modules and panels for buildings of any occupancy.

It provides requirements for

a) certification of the factory quality program;

b) certification of the prefabricated product;

c) auditing of the factory quality program; and

d) in-factory inspection of the prefabricated product.


This Standard applies to prefabricated buildings, modules, and panels constructed of any material. (See Annex A.)

This Standard applies to buildings of any occupancy. Use is limited only by certification listing for the manufacturer and the capabilities of the certification body. (See Annex A.)

This Standard does not cover portions of buildings or services that are not completed in the factory. It also does not address the transport of buildings or their erection at the building site, except as provided in Clause 7.5.1.

Note: Prefabricated buildings, modules, and panels should be designed to resist or accommodate loads and stresses imposed in transit and during placement. Loads and stresses imposed in transit will depend in part on the methods of transportation accepted by the transportation authority.

In this Standard, “shall” is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the standard; “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 Standard.

Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory 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.