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…
1. SCOPE
1.1 This Voluntary Product St1.andard primarily establishes structural criteria for assessing the acceptability of wood structural panels for construction sheathing and single floor applications and provides a basis for common understanding among the producers, distributors, and the users of these products. The standard does not address non-structural issues such as resistance to…
Cooperative intelligent transport systems (C-ITS) — Guidelines on the usage of standards — Part 2: H...
This document serves as a guideline explaining the concept of hybrid communications and support functionalities for Cooperative ITS services deployed in conformance with the ITS station architecture and related Cooperative ITS standards.
Robotics — Modularity for service robots — Part 1: General requirements
This document presents requirements and guidelines on the specification of modular frameworks, on open modular design and on the integration of modules for realising service robots in various environments, including personal and professional sectors.
The document is targeted at the following user groups:
— modular service robot framework developers who specify performance frameworks in an…
Emergency Breakaway Fittings, Swivel Connectors and Pipe-Connection Fittings for Petroleum Products ...
1 Scope
1.1 This Standard sets forth minimum requirements for emergency breakaway fittings, swivel connectors
and pipe-connecting fittings of the threadless compression type. Connectors and fittings covered by these
requirements are intended only for the following services.
1.2 A swivel connector is either a hose swivel or swivel joint. The swivel connector will allow radial
movement and is…
Raccords à rupture d’urgence, les raccords pivotants et les raccords de tuyau pour les produits pétr...
1 Domaine d’application
1.1 Cette norme établit les exigences minimales pour les raccords à rupture d’urgence, les raccords
pivotants et les raccords de tuyau du type à compression sans filetage. Les raccords couverts par les
présentes exigences sont destinés uniquement aux services suivants.
1.2 Un raccord pivotant est un raccord tournant ou un joint à rotule. Le connecteur raccord pivotant…