This is the second edition of CSA S448.1, Repair of reinforced concrete in buildings and parking structures. It replaces the previous edition, published in 1993.
This Standard specifies minimum requirements for the investigation, design, and execution of repair work needed to restore reinforced concrete structural components of buildings to a safe and serviceable state. It provides a framework for the design of repair projects and covers repair techniques and materials in a general way; engineers are responsible for selecting appropriate procedures and materials to obtain the desired performance.
This Standard covers the repair of regular (i.e., not pre-stressed or post-tensioned) reinforced concrete structural elements in buildings and parking structures. This Standard addresses the need to ensure the structural integrity and safety of a building during the repair period and the need for the engineer to establish follow-up maintenance and monitoring programs for implementation by the building owner.
This Standard reflects the current state of knowledge regarding concrete repair technology. It recognizes that, in the design of a repair project, the engineer works closely with the owner to determine the owner’s requirements for service life following repair and his or her commitment to regular maintenance of the structure.
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Earthquakes pose a serious threat to safety and have rendered many buildings unusable due to extensive damage to their operational and functional components (OFCs). In fact, the main cause of casualties and property damage in the event of an earthquake is often the failure of these OFCs. In many cases, the losses associated with damage to these components are considerably greater than damage to the structural system.
The third edition of CSA S832, Seismic risk reduction of operational and functional components (OFCs) of buildings, helps reduce seismic risk of OFCs and improve the post-earthquake functionality of buildings. This new edition supersedes the previous editions published in 2006 and 2001.
This new edition is intended to be used in better harmonization with the 2015 National Building Code of Canada.
Key Changes in the New Edition:
Greater clarity with new content organization, revised definitions and sample calculations, updated symbols, flow charts and references and new definitions for OFC performance objectives
New annexes on methods and criteria to determine the seismic adequacy of OFCs in terms of drift-related effects and seismic force calculations
New guidelines on water systems and piping, information technology systems, industrial risk-generating buildings, and heritage buildings
New and updated clauses cover:
New procedures for OFCs in new buildings;
Determination of seismic risk index and suggested mitigation priority thresholds
The design of seismic restraints and explanatory notes on restraint of OFCs equipped with vibration isolation systems
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This is the first edition of CSA S852, Blast-resistant window anchor systems.
This Standard is intended for use in the design and assessment of anchor systems for windows that have been designed to resist defined blast threats. This Standard applies to both new and existing buildings.
While building security (which includes window security), within the context of building protection against blast threats, is beyond the scope of this Standard, it is an essential aspect to evaluating or modifying the design threat and thus must be well understood by the designer.
Although not specifically identified, users should be aware that the authority having jurisdiction might have additional approval requirements, which are outside of the scope of this Standard. See Clause A.1 for additional information on regulatory compliance.
The development of this Standard was supported by the Canadian Safety and Security Program (CSSP- 2014-CP-2011).
This Standard was prepared by the Subcommittee on Blast-Resistant Window Anchor Systems, under the direction of the Technical Committee on Blast-Resistant Buildings, and under the jurisdiction of the Strategic Steering Committee on Construction and Civil Infrastructure, and has been formally approved by the Technical Committee.
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A large size blast event in a city environment can affect a number of buildings. This new standard will help emergency management personnel improve preparedness for blast events and provide guidelines to evaluate these buildings for their safety and serviceability before they can be reoccupied. CSA S851 applies to blast incidents and provides emergency response authorities information to assist in developing suitable standard operating procedures incorporating criteria for post-blast safety inspection and assessment.
This Guideline specifies procedures for the assessment of the safety of the structural and architectural components of a building affected by a blast event.1.2This Guideline does not contain procedures for assessing all post-blast hazards or pre-existing risks, but they should be considered.1.3The principles and criteria of post-blast assessment may be incorporated into existing emergency response protocols.1.4In this Guideline, should is used to express a recommendation or that which is advised but not required; may is used to express an option or that which is permissible within the limits of the Guideline; and can is used to express possibility or capability.
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This is the first edition of CSA S808, Specification for fibre-reinforced polymer (FRP) materials for externally reinforcing structures.
CSA acknowledges that the development of this Standard was made possible, in part, by the financial support of the following: ISIS Canada Network Association, Public Works and Government Services Canada, Pultrall Inc., Freyssinet Canada Ltd., BASF Canada Inc., and Sika Canada Inc.
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This is the fifth edition of CSA S413, Parking structures. It supersedes the previous editions published in 2014, 2007, 1994, and 1987.
This Standard differs from the previous edition as follows:
a) added clarification in Scope regarding considerations for structures or portions of structures which are designed for the storage and/or repair of vehicles;
b) requirements for fibre-reinforced polymer reinforcement have been added;
c) updates to requirements for surface preparation, installation, testing, and performance of protection systems;
d) updated requirements for placement and design of expansion joints near columns, spandrels, walls, and other vertical elements;
e) revisions to clarify concrete types for perimeter basement walls;
f) revision to requirements and suggested details for parking structure drains;
g) added requirements for cast-in services placed in proximity to parking structure drains;
h) revision to requirements for core testing;
i) added requirements for protection of reinforcement at precast joint ends and expansion joints;
j) clarification for water supply for periodic washdowns;
k) clarifications for concrete requirements to harmonize with CSA A23.1;
l) added requirements for crack treatment;
m) added requirements for footing protection from chloride contamination;
n) revisions to requirements for concrete moisture testing and calcium chloride testing;
o) added requirement for consideration of alternate access/egress pathways in parking structures in cases of repair;
p) revisions to requirements for tooled or soft cut joints;
q) recommended minimum work procedures have been moved from Annex D into the main body of the Standard;
r) Annexes A, D, and H have been revised; and
s) all references, including those for the annexes, have been updated where applicable.
This Standard has been adopted by the Canadian Commission on Building and Fire Codes as the reference standard for parking structures in Section 4 of the National Building Code of Canada.
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This is the second edition of CSA S408, Guidelines for the development of limit states design standards. It supersedes the first edition, published in 1981 under the title Guidelines for the Development of Limit States Design.
Scope
1.1These Guidelines provide recommendations for the development of codes and standards used for the design and evaluation of civil engineering structures such as buildings, industrial structures, bridges, earth and water-retaining structures, towers, chimneys, and poles. These recommendations are intended to ensure the adequate and consistent provision of safety and serviceability, regardless of the type of material, construction, or use of the structure.1.2In these Guidelines, should is used to express a recommendation or that which is advised but not required; may is used to express an option or that which is permissible within the limits of the Guidelines; and can is used to express possibility or capability.
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CSA acknowledges that the development of this Standard was made possible by the generous financial support of the Membrane Structures Manufacturers Association.
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This is the first edition of CSA S349, Certification requirements for manufacturers of metal-plate-connected wood trusses.
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1.1 General
This Standard covers the load test procedure for evaluating the strength and deformation performance of wood roof trusses intended for use in housing and small buildings as defined in Part 9 of the National Building Code of Canada.
Note: Part 9 of the National Building Code of Canada provides detailed requirements for the construction of houses and small buildings up to 600 m² in building area and 3 storeys in building he ight and applies to all occupancies except assembly, institutional, and high-hazard industrial.
1.2 This Standard does not stipulate mandatory performance criteria (see Appendix A for acceptable performance criteria).
1.3 Intent of Test
This load test procedure is intended to evaluate the adequacy of wood roof truss designs and is not intended as a quality control test. The procedure may, however, be used for retesting production run samples in cases where the quality of the truss is in dispute.
Note: It is recognized that measures to ensure the quality of production of trusses must be maintained for on-going production of designs acceptable under this Standard.
1.4 Limitations
Assemblies to be tested by this procedure are limited to:
(a) Triangulated trusses having a maximum span of 12 m; or
(b) Bowstring or lenticular trusses having a maximum span of 4.3 m; whose members are connected using mechanical connectors or nailed gu sset plates and which are intended to be installed at a maximum spacing of 600 mm on centres and in such a manner that the top chords are suitably sheathed or braced to prevent lateral buckling.
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