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Confined Spaces Safety Standards

Confined Spaces Safety Standards address the health and safety of individuals in confined spaces. This includes the overall management and minimization of time spent within confined spaces, as well as the recommended preparation, training, equipment, and procedures for the various environments present therein.


ANSI/ASSE A10.43-2016

Confined Spaces in Construction and Demolition Operations

This standard sets forth the minimum elements and activities of a program that defines the duties and responsibilities of construction and demolition employers to be followed while entering, exiting and working in confined spaces at normal atmospheric pressure.


ANSI/ASSE Z117.1-2016

Safety Requirements for Entering Confined Spaces

This standard provides minimum safety requirements to be followed while entering, exiting and working in confined spaces at normal atmospheric pressure.


ANSI/ASSE Z117.1-2009 Package

Safety Requirements for Confined Spaces with Comparison Document for versions 1995, 2003 and 2009

This standard provides minimum safety requirements to be followed while entering, exiting and working in confined spaces at normal atmospheric pressure. Comparison document attempts to note the changes in the Z117.1 standard.


ANSI/ASABE S607 OCT2010 (R2019)

Ventilating Manure Storages to Reduce Entry Risk

The primary purpose of this standard is to reduce risk from asphyxiation, poisoning, and explosions when entering confined space manure storages by specifying the positive pressure, forced ventilation requirements, including ventilation system layout, air exchange rates, and minimum ventilation times, for evacuation of contaminant gases from, and replenishment of oxygen into, empty or nearly empty covered or partially covered confined-space, on-farm, manure storages, reception tanks, agitation tanks and other similar containers that hold/contain manure prior to entry.


ANSI/ISA 92.04.01 Part I-2007 (R2013)

Requirements for Instruments Used To Detect Oxygen-Deficient/Oxygen-Enriched Atmospheres

This standard addresses the details of construction, performance, and testing of portable, mobile, and stationary electrical instruments used to provide a warning of the presence of oxygen-deficient or oxygen-enriched atmospheres.


AS 2865-2009

Confined spaces (FOREIGN STANDARD)

Sets out the requirements and risk control measures for ensuring the safety of those who must enter or carry out tasks associated with a confined space. Contains Sections dealing with planning and implementing entry to a confined space. Appendices include guidance for training, risk assessment, atmospheric monitoring and sample forms and permits associated with confined space work.


AS/NZS 2865:2001

Safe working in a confined space (FOREIGN STANDARD)

Provides requirements and guidance in eliminating or minimizing the need to enter confined spaces and in avoiding hazards which may be encountered where entry to a confined space is unavoidable. Contains Sections dealing with risk identification and assessment, monitoring prior to entry, education and training as well as emergency response. Appendices provide additional guidance for cleaning and the precautions needed when undertaking hot work. A sample risk assessment form and written authority to enter are provided, as is a typical check list.


ASTM D4276-02(2020)

Standard Practice for Confined Area Entry

1.1 This practice covers recognized procedures necessary to protect the health and safety of workers required to enter confined spaces. These procedures are particularly applicable to entry into the confined areas associated with the use of halogenated organic solvents. 1.2 Confined areas addressed in this practice include, but are not limited to: vapor degreasers, cold cleaning tanks, storage vessels, tank cars and trucks, van trailers, ships or barges, pits or sumps, and unventilated rooms. 1.3 This practice does not necessarily address entry into all confined spaces nor does it address the decision strategy involved in requiring such entry. 1.4 Although this practice describes specific safety steps to be taken for entry into confined spaces, it is not intended to preclude the use of any additional measures that may be deemed necessary for a particular situation. 1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


ASTM F1764-97(2018)

Standard Guide for Selection of Hardline Communication Systems for Confined-Space Rescue

1.1 This guide covers recommended criteria for the selection of hardwire communication systems for use in permit-required confined-space rescue operations. 1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. 1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.


CGA P-39-2015

Guidelines for Oxygen-Rich Atmospheres - 3rd Edition

This publication identifies hazards inherent in oxygen-rich atmospheres and provides rules and recommendations for::- safe working practices where oxygen-rich atmospheres can occur; - preventing unexpected changes in the oxygen content of the atmosphere; and - limiting the effects of accidents if they occur.


CGA SB-15-2009

MANAGING HAZARDS IN CONFINED WORK SPACES DURING MAINTENANCE, CONSTRUCTION, AND SIMILAR ACTIVITIES

This publication identifies and gives general guidance on hazards and precautions in working in confined spaces.


CGA SB-2-2014

Safety Bulletin -Oxygen-Deficient Atmospheres

An oxygen-deficient atmosphere can bring about unconsciousness without warning. In as little as one or two breaths, an individual's life can be endangered by low oxygen intake. Oxygen-deficient atmospheres might not be limited to only confined spaces. They also can exist outside of a confined space opening. Table 1 describes a quantitative evaluation of the health effects and symptoms that can be expected in humans who inhale air containing less than normal levels of oxygen..


CSA Z1006-16 (R2020)

Management of work in confined spaces

Preface This is the second edition of CSA Z1006, Management of work in confined spaces . It supersedes the previous edition published in 2010. This Standard specifies requirements for and provides guidance on the activities required to manage all aspects of work in confined spaces in accordance with the Plan-Do-Check-Act cycle and management system principles, such as those set out in CAN/CSA-Z1000-14, Occupational health and safety management. This Standard specifies requirements concerning management commitment, leadership, and participation, assignment of roles and responsibilities, identification of confined spaces, identification of hazards, risk assessment, selection and application of controls, design considerations, training, monitoring and measurement, emergency response, documentation, internal audits, and management reviews. Five informative Annexes provide guidance on implementing this Standard's normative requirements, including sample forms that can be customized for the specific needs of the user. Changes in this edition include : a) improvement of the flow and readability of the document with the inclusion of additional flowcharts and tables and restructuring of content and clauses b) addition of three informative Annexes to elaborate and provide additional information on rescue planning, atmospheric testing, monitoring, and instrumentation, and ventilation systems c) harmonization of this Standard with CAN/CSA-Z1000, CAN/CSA-Z1001, and CAN/CSA-Z1002 d) elaboration on the information regarding workspace design and modification CSA acknowledges that the development of this Standard was made possible, in part, by the financial support of federal, provincial, and territorial occupational health and safety government agencies. Introduction This Standard provides a) an overview of the steps an organization needs to take to establish and maintain an effective confined space management program b) safety information for workers entering confined spaces and for persons responsible for ensuring the safety of such workers c) requirements for confined space emergency preparedness and rescue This Standard is consistent with CAN/CSA-Z1000 in that it is intended to help users integrate their confined space management program into an organization's existing occupational health and safety management system (OHSMS). Like CAN/CSA-Z1000, this Standard is organized into clauses based on the Plan-Do-Check-Act (PDCA) model. However, use of this Standard is not contingent on an organization having an OHSMS. Clause 4 specifies general requirements for a comprehensive confined space management program. Clauses 5 to 8 specify requirements for planning and implementing a confined space management program. Clause 5 specifies roles and responsibilities. Clause 6 specifies requirements for hazard identification and risk assessment, development of entry procedures, emergency response planning, and assessment of worker capability for performing assigned duties within a confined space. Clause 7 specifies requirements related to training, Clause 8 specifies requirements related to controls, emergency response activities, and documentation. Clauses 9 and 10 specify requirements related to incident investigation and analysis, corrective actions, internal audits, and management reviews. These activities can help ensure worker safety and facilitate continual improvement of a confined space management program. Annexes A through E provide guidance on implementing this Standard's requirements and include sample forms. Scope 1.1 General This Standard is designed to be used with related occupational or technical standards. It is intended to be referenced by other standards as the primary set of requirements for health and safety management of work in confined spaces. This Standard is designed for voluntary application in Canadian workplaces. However, the principles established in this Standard are based on best practices recognized internationally. As such they can be applied to any workplace. Note: At the time of publication, confined space legislation differs from jurisdiction to jurisdiction in Canada. It is the user's responsibility to determine how applicable legislative requirements relate to this Standard. 1.2 Applications This Standard specifies requirements for a) establishing and maintaining a confined space management program in accordance with OHSMS principles b) the roles and responsibilities of management, the entry team, and the emergency response team c) identification and designation of confined spaces d) design and engineering of confined spaces e) hazard identification and risk assessment relating to work in confined spaces f) management and control of hazards and risks associated with work in confined spaces g) personal protective equipment (PPE) and other equipment used for work in confined spaces h) general safety procedures for confined spaces i) training for work in confined spaces j) determining worker capability of performing assigned duties within confined spaces k) emergency plans for rescuing workers in confined spaces l) management of external service providers m) documentation 1.3 Exclusions This Standard does not address safety management of a) enclosures or structures designed and constructed for continuous human occupancy b) underwater enclosures Note: For underwater enclosures, see the requirements for penetration diving specified in CSA Z275.2. 1.4 Terminology 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. 1.5 Units of measure The values given in SI units are the units of record for the purposes of this Standard. The values given in parentheses are for information and comparison only.




NFPA 1006-2021

NFPA 1006, Standard for Technical Rescue Personnel Professional Qualifications

This standard identifies the minimum job performance requirements (JPRs) for fire service and other emergency response personnel who perform technical rescue operations._x000D_ _x000D_ Please note: This Standard is slipping cycle due to the Emergency Response and Responder Safety Document Consolidation Plan (consolidation plan) as approved by the NFPA Standards Council. As part of the consolidation plan, this standard is slipping cycle and will open for Public Input at a later date.


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