This is the seventh edition of W117.2, Safety in welding, cutting, and allied processes. It supersedes the previous editions published in 2012, 2006, 2001, 1994, 1987, and 1974. Its subject is the health and safety of welders and welding operators.
This Standard has been developed through a consensus process that ensures that the requirements will be accepted and followed throughout the welding industry. The goal is to encourage fresh thinking and attitudes. Everyone involved in the industry must become aware of the importance of welding safety and the need to make continual improvements in the welding environment over time.
This edition of W117.2 has been revised to reflect changes that have occurred in the Canadian welding industry in response to the most recent review of injuries and fatalities within the industry. These changes are presented with the expectation that they will be implemented and with the hope of preventing further injuries and fatalities.
This Standard was prepared by the Technical Committee on Safety in Welding, Cutting, and Allied Processes, under the jurisdiction of the Strategic Steering Committee on Construction and Civil Infrastructure, and has been formally approved by the Technical Committee.
This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.
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This is the first edition of CSA Z5020, Building energy modelling.
CSA Group acknowledges that the development of this Standard was made possible, in part, by the financial support of BC Hydro, Independent Electricity System Operator, Northwest Energy Efficiency Alliance, Hydro Québec, Electricity Canada, Nova Scotia Department of Natural Resources and Renewables, and EfficiencyOne.
This Standard was prepared by the Subcommittee on Building Energy Modelling, under the jurisdiction of the Technical Committee on Building Energy Systems and the Strategic Steering Committee (C400) on Standards for Energy Using Systems, and has been formally approved by the Technical Committee.
This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.
This Standard has been approved by the American National Standards Institute (ANSI) as an American National Standard.
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This is the seventh edition of CSA W178.1, Certification of welding inspection organizations. It supersedes the previous editions, published in 2014, 2008, 2002, 1996, 1990, and 1973 (as W178-73, Qualification Code for Welding Inspection Organizations).
This Standard provides industry and public authorities with a set of requirements to appraise the capability of organizations supplying services in the welding inspection field. It is to be used in conjunction with CSA W178.2, Certification of welding inspectors.
The requirements of this Standard are intended to be applied in conjunction with quality management system standards, such as the CAN/CSA ISO 9000 Standards, and with product category standards as listed in Annex A.
This Standard was prepared by the Technical Committee on the Certification of Welding Inspectors and Inspection, under the jurisdiction of the Strategic Steering Committee (SSC) on Construction and Civil Infrastructure, and has been formally approved by the Technical Committee.
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This is the seventh edition of CSA W178.2, Certification of welding inspectors. It supersedes the previous editions, published in 2014, 2008, 2001, 1996, 1990, and 1982.
This Standard provides requirements for those seeking certification as welding inspectors. Individuals may be certified in accordance with this Standard regardless of whether they are employed by an inspection organization.
The effectiveness of welding inspection depends largely on the knowledge and integrity of the individual responsible for carrying out the inspection. Thus, there is a need for inspectors with both appropriate knowledge and the capability of exercising responsible judgment.
This Standard is not intended to replace an employer’s final responsibility for the work or a supervisor’s judgment of an individual’s suitability to perform a given task.
This Standard was prepared by the Technical Committee on the Certification of Welding Inspectors and Inspection, under the jurisdiction of the Strategic Steering Committee (SSC) on Construction and Civil Infrastructure, and has been formally approved by the Technical Committee.
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This is the second edition of CSA Standard W59.2, Welded aluminum construction. It supersedes the previous edition published in 1991 and CSA 5244-1969, Welded Design and Workmanship (Inert Gas Shielded Arc Processes), which was replaced by the 1991 edition.
This edition represents a major rework of the Standard in both format and content. The following is a brief description of some of the most significant changes to the current edition of CSA W59.2:
• the structure of this Standard has been modified to parallel CSA W59 where appropriate for ease of use;
• Clause 3 has been revised to add several new materials;
• Clause 5 includes new requirements for weld acceptance criteria;
• Clause 7 has been reworked to provide clarity on roles and responsibilities for welding inspection;
• Clause 8 has been added to provide comprehensive requirements for non-destructive testing;
• Clause 10 has been added to provide requirements for friction stir welding; and
• Annex A has been added to provide recommended joint geometries for aluminum welding.
This Standard was prepared by the Technical Committee on Welding of Bridges, Buildings, and Machinery and the Offshore Welding Task Group, under the jurisdiction of the Strategic Steering Committee on Construction and Civil Infrastructure, and has been formally approved by the Technical Committee.
This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.
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This Standard covers the manufacturing process requirements of fibre-reinforced polymer (FRP) bars or bars that are part of a grid for use in non-pre stressed internal reinforcement of concrete components of structures (e.g., bridges, buildings, and marine structures).
1.2
This Standard covers FRPs comprised of (a) glass, carbon, or aramid fibres; and (b) isophthalic polyester, vinylester, or epoxy resins.
1.3
This Standard covers FRP bars having nominally circular or square cross-section.
1.4
This Standard does not include FRP bars made of more than one type of fibre.
1.5
In this Standard, FRPs are classified on the basis of their fibres, strength, stiffness, and durability.
1.6
In CSA Standards, 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.
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This is the first edition of CSA S345, Design and construction of steel storage racks. It replaces CSA S16, Annex N, prepared under the same title in 2019, which superseded the previous edition of Annex N in CSA S16-14 (update 1) published in 2016.
CSA published A344.1 and A344.2 in 2005 as a two-part document: a user guide and a design standard for steel storage racks. Following the withdrawal of CSA A344.2 in 2016, and its subsequent incorporation into CSA S16, this Standard has been developed as a stand-alone document. The contents of this new Standard are linked with both CSA A344 and CSA B335, which establish the requirements for a safe environment where steel storage racks and lift trucks are the primary equipment of the workplace.
No technical changes have been made to the content originating from CSA S16, Annex N. Editorial changes to this edition include the updating of referenced standards.
This Standard was prepared by the Technical Committee on Industrial Storage Racks, under the jurisdiction of the Strategic Steering Committee for Construction and Civil Infrastructure, and has been formally approved by the Technical Committee.
This Standard has been developed in compliance with Standards Council of Canada requirements for National Standards of Canada. It has been published as a National Standard of Canada by CSA Group.
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The design and construction of electrical equipment for elevators and escalators presents complex requirements in the application of industrial control equipment and elevator equipment. With the need to have identical Canadian and U.S. requirements for this type of equipment, the applicable portions of CSA C22.2 No. 14 and UL 508 were reviewed and adapted to elevator equipment.
Highlights of B44.1:
Provides guidance to reduce the risk of injury and potential damage to property from fire and electrical shock
Harmonized standard combining applicable portions from CSA C22.2 No. 14 and UL 508 adapted for elevator equipment
Harmonized guidelines enable manufacturers to have their products certified by an approved testing laboratory in Canada or the United States and to have the certification ratified for acceptance in either country
Indented to reduce the risk of injury to persons and damage to property from fire and electrical shock
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What are the required components in the construction and installation of wallmesh?
Among the main consumables, the following can be mentioned:
Fiberglass mesh or wall mesh tape:
Wallmesh tape is another name for fiberglass mesh, which is widely used in the implementation of wallmesh. The material of this type of mesh is glass composite type and has a high resistance against alkaline substances. Fiberglass mesh is a net shape that is widely used to implement the wall mesh method in the walls of buildings. Fiberglass mesh has advantages such as high adhesion, high flexibility, high resistance to play and alkaline environments, etc. In addition, the tensile strength of fiberglass mesh is very high.
Cement plaster:
Cement plaster is one of the best materials that is widely used for wall mesh. The material of this type of plaster is cement and it has high quality and durability. Cement plaster is used as a cover layer, and this product is very useful for installing fiberglass mesh. The most important application of this type of plaster is covering brick walls, block walls and concrete surfaces. This type of plaster is very suitable for use on internal and external surfaces. This type of plaster is applied with the help of trowel or spraying method on the surface of the wall which is meshed. If you use cement plaster, you should use alkali-resistant fiberglass mesh in the wall mesh system.
Gypsum plaster:
Another type of plaster that is widely used in the implementation of wall mesh system is gypsum plaster. This type of plaster is widely used for installing fiberglass mesh. To make this type of plaster, a combination of plaster, cement, sand and lime is used. Gypsum plaster has a very high adhesive strength and its implementation is possible easily. This type of plaster can be used as the best coating on the surface of the ceiling and internal walls and columns. If you use gypsum plaster, you should use E-Glass fiberglass mesh in the wall mesh system.
Angle:
Broken corner or stud corner is another material used in the implementation of wall mesh. This type of mesh wall corner is used to connect the frame and the wall. A broken corner or stud corner prevents the wall from moving in the opposite direction from the plane of the wall. As a result, the use of this type of corner prevents the wall from being damaged by various external factors such as shocks, earthquakes, etc.
Epoxy glue:
In addition to screws, dowels, and nails, epoxy glue is also used to make the corners in the upper and lower part of the wall. This type of glue has many advantages, that's why the use of this product has increased today. This type of glue has very little weight and its resistance to any pressure and impact is high. Epoxy glue consists of two different parts, resin and hardener. The resin part of this type of glue has adhesive properties and the hardening part has final hardening properties.
Posted by: civilfafa - 05-04-2024, 12:25 AM - Forum: Concrete
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Guide to concrete construction 2nd Edi
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Concrete remains a fundamental basis for the Australian construction industry. It provides a number of
benefits – social, economic and environmental – that means it is a sustainable material.
This edition of Guide to Concrete Construction represents a major review of the volume. The contents
were last reviewed in 2002 and much has changed in the composition and specification of concrete.
The reader will notice changes in the structure and content of this volume to address these changes
and ensure a contemporary description of concrete – its composition and performance.
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