1 Scope
1.1
This Standard applies to newly-produced torches for use with propane, butane, natural gas, and MPS
(methyl acetylene-propadiene stabilized). This Standard applies to torches that aspirate atmospheric air
for combustion.
1.2
This Standard applies to hand-held torches intended for industrial applications such as brazing,
soldering, pre-heating for welding, heat treatment, and…
Lever operated non-lubricated plug type gas shut-off valves
1 Scope
1.1
This Standard applies to manual lever operated, gas shut-off valves sizes NPS 1/4 to 8 of metallic
construction with weld and flanged and threaded ends other than pressure lubricated designs for use
with natural gas, manufactured gas, and liquefied petroleum gases.
Notes:
1) Valves covered by this Standard may be used on “digester gas” (methane produced during sewage treatment…
Standard test method for wind resistance of vegetated roof assembly
1 Scope
1.1 General
The test method in this Standard determines the wind resistance of vegetated roof assembly when subjected to dynamic wind flow and dynamic wind uplift in laboratory conditions.
1.2 Applicability
Testing in accordance with the test method in this Standard is applicable to modular and built-in-place vegetated roof systems.
1.3 Exceptions
Testing in accordance with the test…
Low-voltage switchgear and controlgear — Part 5-5: Control circuit devices and switching elements — ...
Scope
This section of IEC 60947-5 provides detailed specifications relating to the electrical and
mechanical construction of emergency stop devices with mechanical latching function and to
their testing.
This standard is applicable to electrical control circuit devices and switching elements which
are used to initiate an emergency stop signal. Such devices may be either provided
with…
Moderating the effects of permafrost degradation on existing building foundations
1 Scope
1.1 Mitigation strategies and other actions
This Standard covers the following strategies to maintain permafrost or mitigate permafrost degradation related to existing buildings or structures:
a)
site techniques that consist of
i)
site grading and drainage;
ii)
snow management; and
iii)
shading or albedo change.
b)
foundation techniques that consist of
i)
ventilation;
ii)…
Security management for petroleum and natural gas industry systems
1 Scope
1.1 General
This Standard specifies criteria for establishing a security management program for petroleum and
natural gas industry systems to ensure security threats and associated risks are identified and managed.
This Standard provides mitigation and response processes and procedures to prevent and minimize the
impact of security incidents that could adversely affect people, the…
Gestion de la sûreté des installations liées à l’industrie du pétrole et du gaz naturel
1 Domaine d’application
1.1 Généralités
Cette norme précise les critères d’établissement d’un programme de gestion de la sûreté des
installations liées à l’industrie du pétrole et du gaz naturel en visant à s’assurer que les menaces à la
sûreté et les risques connexes sont cernés et contrôlés. Elle précise des moyens d’atténuer ces risques,
des moyens d’intervention et des procédures pour…
Modérer les effets de la dégradation du pergélisol sur les fondations de bâtiments existants
1 Domaine d’application
1.1 Stratégies d’atténuation et autres mesures
Cette norme traite des stratégies d’atténuation suivantes qui visent à maintenir le pergélisol ou à atténuer sa dégradation liée aux bâtiments ou structures existants :
a)
techniques agissant sur le site :
i)
nivellement et drainage du site;
ii)
gestion de la neige; et
iii)
changement d’ombrage ou d’albédo.
b)…
Electric motor-operated hand-held tools, transportable tools and lawn and garden machinery — Safety ...
1 Scope
This clause of Part 1 is applicable, except as follows:
Replacement of the third paragraph:
The rated voltage is not more than 250 V for single-phase a.c. or d.c. tools, and 480 V for three-phase a.
c. tools.
Addition:
This document applies to transportable wall saws guided by a track guiding system intended for dry
cutting or to be connected to a liquid system for cutting concrete…
Outils électroportatifs à moteur, outils portables et machines pour jardins et pelouses — Sécurité —...
1 Domaine d’application
L'article de la Partie 1 s'applique avec les exceptions suivantes:
Remplacement du troisième alinéa:
La tension assignée est inférieure à 250 V pour les outils à courant monophasé alternatif ou
continu, et inférieure à 480 V pour les outils à courant alternatif triphasé.
Addition:
Le présent document s'applique aux scies murales portables guidées par…