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These documents offer clarification on the application of the National Building Code – Alberta Edition, Canadian Electrical Code, National Plumbing Code and the Natural Gas and Propane Installation Code, as well as The City’s Land Use Bylaw. A bulletin is a regulation under a code. An advisory is an interpretation of a code or municipal regulation. A variance is written permission to modify the application of the code, provided that an equivalent or greater level of safety is provided.

Advisories have no legal status and cannot be used as an official interpretation of the various bylaws, codes, and regulations currently in effect. The City of Calgary accepts no responsibility to persons relying solely on this information.

30-60-90 Permit Refusal process

Our 30-60-90 Permit Refusal process for Commercial Multi-Family Building Permits is a streamlined method for incomplete permit applications that places deficient applications on hold until necessary details are provided. Automated email reminders are sent at 30 and 60 days. After 90 days, applications may face refusal or cancellation, with a 30-day appeal window. This transparent process ensures clear communication and timely reminders for applicants, leading to faster processing and reduced delays.

New Building Code resources

Please follow the links for more information regarding upcoming changes to The National Building Code - 2023 Alberta Edition, National Fire Code - 2023 Alberta Edition and the National Energy Code of Canada for Buildings 2020 that will come into force on May 1, 2024.

Building advisories - NBC 2023 (AE)

Advisory number Advisory title Date approved File
B23-003 Existing secondary suite frequently asked questions (FAQs)     2024/02/05


B23-002 Secondary suites – existing prior to March 12, 2018 2023/12/18


B23-001 Building code transition from NBC 2019 (AE) to NBC 2023 (AE) 2023/12/18


Building advisories - ABC 2014 / NBC 2019 (AE)

Advisory type and code Date Subject
Building Advisory June 26, 2023

Advanced weather forecasting systems

Building Advisory B19-008 Mar. 8, 2023

Temporary outdoor tents canopies

Building Advisory A19-004 Aug. 31, 2022

Exterior egress requirements for single family homes

Building Advisory A19-006 June 22, 2022

Alternative classification of small assembly occupancies

Building Advisory A19-005 June 1, 2022

Egress window guidelines

Building Advisory A19-002 Apr. 12, 2022

Building permit complete application

Building Advisory Oct. 2, 2020

EIFS to NB 2019 - Alberta edition

Building Advisory Oct. 1, 2020

Building code requirements for 5G cell phone attenae

Building Advisory Mar. 1, 2020

Application of the building code regulation for multi-building projects in transition from 2014 ABC to NBC 2019 (AE)​

Building Advisory Oct. 31, 2019

Building permit requirements for single vs multiple buildings 

Buidling Advisory Oct. 25, 2019

Administration of requirement for real property report

Buidling Advisory Oct. 9, 2019

Administration of Apparent Sound Transmission Classification (ASTC) requirements​

Buidling Advisory Oct. 9, 2019

Protection of openings near unenclosed exterior stairs and ramps

Buidling Advisory July 11, 2019

Micro brewery

Buidling Advisory July 10, 2019

Permanent hail structures

Buidling Advisory Dec. 21, 2018

Intermodal containers

Building Advisory Aug. 1, 2017

Sprinkler protected glazing systems

Building Advisory Nov. 14, 2016

Backyard suites

Building Advisory July 30, 2016

Fire alarm pull stations

Building Advisory Apr. 28, 2016

Construction site fencing

Building Advisory Apr. 20, 2016

Hoisting and securing of construction material and debris

Building Advisory Apr. 18, 2016

Public protection site safety plan

Building Advisory Mar. 30, 2016

Air tight electrical boxes

Building Advisory Mar. 29, 2016

Asbestos abatement for demolition projects

Building Advisory Mar. 11, 2016

Existing building maintenance

Building Advisory Mar. 8, 2016

Paint spray booths

Building Advisory Mar. 8, 2016

Permits for bleachers used in Stampede parade

Building Advisory Mar. 8, 2016

Standard form indemnity agreement for excavations adjacent to streets

Building Advisory Mar. 7, 2016

Use of exterior insulation finish systems- Part 9 ABC 2014

Building Advisory Mar. 1, 2016

Application of ABC for structural insulated panels

Building Advisory Jan. 30, 2016

Quick-release commercial building permits

Building Advisory Jan. 22, 2016

Commissioning 2014 Alberta Building Code - 2014 Alberta Fire Code

Building Advisory Nov. 1, 2016

Racking - building permit requirements

Regulation bulletins – ABC 2014

2014 Regulation bulletin Title

Major and subsidiary occupancies and their fire separation


Distinguishing "localized depressions" for determination of grade


Guidelines for instant lube stations


Release of electro-magnetic locking devices by light sensors


Foundations for detached garages and accessory buildings serving dwelling units within the scope of ABC 2014 9.35 or ABC DIV B9.


Emergency access to floor areas


Barrier-free washroom requirements in existing buildings


Guidelines for single tenant concept


Storage of material in parking garages


Building Code application to +15 walkways


Classification of vocational and other specialized schools


Landings, floors, etc., supported by OSB/plywood hangers


Coffee shops and restaurants within other occupancies


Application of the building code and the building permit bylaw


Horizontal fire dampers in combustible floor assemblies


Spatial separation to building spaces with no occupancy


Thumb-turn latches in exit doors


Service trenches crossing under wall foundations


Party walls or suite separation walls continuing into crawl spaces


Floors connected by stairs not forming required exits


Firefighting access for part 9 buildings


Application of barrier-free requirements to live-work units

Development advisories

Advisory type and code Date Subject
Development Advisory Sept. 1, 2017

Combined outline plan and land use process changes

Development Advisory Apr. 30, 2017

New mixed use districts

Development Advisory Mar. 15, 2016

Driveway slope

Development Advisory Feb. 14, 2016

Standardized fee for parking stall volumetric encroachments

Electrical advisories

Advisory type and code Date Subject
Electrical Advisory Nov. 1, 2018

Electrical CSA listed manufactured ground electrodes​

Electrical Advisory July 5, 2016

Receptacle protection for health care equipment

Electrical Advisory Apr. 5, 2016

Two hour fire rated cables

Electrical Advisory Sept. 6, 2016

Dangers of the incorrect incandescent light bulbs in lighting fixtures (over lamping)

Plumbing and gas advisories

Advisory type and code Date Subject
Gas Advisory Mar 22, 2024

Maximum use of propane cylinders at indoor shows, exhibitions, or other similar events.

Plumbing Advisory P20-002 May 22, 2023

Potable water systems and protection against thermal expansion

Plumbing Advisory P20-001 Apr. 26, 2023

Enforcement of the national plumbing code 2020

Gas Advisory G20-001 Jan. 3, 2023

Gas installations utilizing needle-type shut-off valves

Plumbing Advisory P15-002 Oct. 4, 2022

Secondary suites backwater valves and protection from backflow

Plumbing Advisory P15-001 Oct. 4, 2022

Secondary suites, shut off valves, and potable water distribution systems

Building Advisory Feb. 3, 2021

Prohibited installation or use of non-certified gas fireplaces manufactured by Canadian Fire Hearth Mfg. Inc. and Luxor mfg. Inc.

Gas Advisory Feb. 1, 2017

Location of gas piping

Gas Advisory Jan. 15, 2017

Clearance to combustible materials on gas cooking appliances

Gas Advisory Nov. 9, 2016

Hydronic heating systems

Gas Advisory Nov. 1, 2016

Temporary gas connections

Building Advisory June 29, 2016

Grease interceptors and drainage system protection

Building Advisory June 23, 2016

Hydronic heating permits

Plumbing Advisory June 5, 2016

Sanitary and storm drain connections

Gas Advisory Apr. 8, 2016

BTU loads for future appliance gas Line outlets

Gas Advisory Mar. 8, 2016

Temporary construction heat

Plumbing Advisory Mar. 5, 2016

Water temperature control


Contact us

Planning Services Centre

Hours: Monday - Friday, 8 a.m. - 4:15 p.m.
Live chat:
Web: Planning Services Centre

Development approvals review team

Find development approvals review team staff to contact about specific applications.

This information has no legal status and cannot be used as an official interpretation of the various bylaws, codes and regulations currently in effect. The City of Calgary accepts no responsibility to persons relying solely on this information. Web pages are updated periodically. ​