Safety Codes Bulletin: Withdrawal of STANDATA 19-BCV-018(REV2)

Withdrawal of STANDATA 19-BCV-018(REV2) - Generic Engineered Details for Adhered Masonry Veneer

Purpose

This bulletin serves to communicate the withdrawal of Variance STANDATA 19-BCV-018(REV2), which pertains to generic engineered details for the utilization of adhered masonry veneer in Part 9 residential buildings.

Discussion

STANDATA 19-BCI-018(REV2) was introduced to address the application of building codes pertaining to adhered masonry veneer within Part 9 building construction. Originating in 2020, this STANDATA underwent revisions to incorporate relevant engineering documentation updates provided by the Alberta Masonry Council. Specifically, STANDATA 19-BCV-018(REV2) encompassed adhered masonry veneer installations, limited to a maximum height of 3.05 meters above local Grade, for Part 9 residential buildings in Alberta. The currently cited generic engineering documentation has expired on June 30, 2023.

The Alberta Masonry Council has confirmed their decision not to pursue further updates to the mentioned generic engineering documentation. Consequently, STANDATA 19-BCV-018(REV2) has been officially rescinded, effective July 1, 2023.

This withdrawal implies that the generic engineered details provided by STANDATA 19-BCV-018(REV2) will no longer be applicable for adhered masonry veneer installations in Part 9 residential buildings in Alberta and any future proposals will require site-specific engineering approval.

Impact and inquiries

Stakeholders and contractors engaged in Part 9 residential building projects are advised to take note of this withdrawal. If you require further clarification or have any inquiries, please do not hesitate to contact the appropriate authorities.

Code References for Adhered Masonry Veneer 2019 NBC (AE)

1. General - 9.20.1.1. (2): For walls other than those described in Sentence (1), or where the masonry walls or insulating concrete form walls not in contact with the ground are designed for specified loads on the basis of ultimate and serviceability limit states, Subsection 4.3.2. shall apply.
2. Masonry Veneer - 9.20.6.4. (4): Masonry veneer shall conform to Subsection 4.3.2., where the masonry units are required to be individually supported by the structural backing.
3. Stone or Concrete Facings – 9.20.6.6. (1): Slab and panel facings of precast concrete and natural or artificial stone shall conform to Subsection 4.3.2.
4. Ties for Masonry Veneer - 9.20.9.5. (3): Masonry veneer individually supported by masonry or wood-frame backing shall be secured to the backing in conformance with Subsection 4.3.2.
5. Design Basis for Plain and Reinforced Masonry - 4.3.2.1: Buildings and their structural members made of plain and reinforced masonry shall conform to CSA S304, “Design of Masonry Structures.”

Links to the STANDATA’S and generic engineered document.

Withdrawal of STANDATA 19-BCV-018(REV2) Adhered masonry veneer-generic engineered details for Part 9 residential buildings: https://open.alberta.ca/dataset/a9187e73-f75f-4c35-89ef-47cd76df7bf0/resource/5f8f3fef-845e-43e2-9316-39a0f9b7982f/download/ma-standata-building-bulletin-19-bcb-011.pdf

Adhered Masonry Veneer – Generic Engineered Details for Part 9 Residential Buildings: https://open.alberta.ca/dataset/5a1e414d-6639-467d-b5a4-6d68454f1340/resource/130c8d9f-1060-4a47-b768-cabd8a9a07a4/download/ma-standata-building-code-variance-19-bcv-018r2.pdf

ADHERED THIN MASONRY VENEER INSTALLATIONS TO A MAXIMUM 3.05m ABOVE LOCAL GRADE ON PART 9 RESIDENTIAL UNITS IN ALBERTA: Adhered-thin-masonry-veneer-up-to-3.05m-for-Part-9-buildings.pdf (albertamasonrycouncil.ca)

Planning and Development Services
City of Medicine Hat

Unless stated otherwise, the Code references in this Bulletin are to Division B of the current National Building Code – Alberta Edition (NBC-AE). Bulletins do not overrule the NBC-AE nor constitute a relaxation of the Code. They serve to clarify the Code in areas where the latter is ambiguous or does not cover a specific topic. Bulletins are City of Medicine Hat clarifications for staff use to enable consistency in the application of the Code. Regulation Bulletins should always be read in the context of the appropriate requirements of the Code.