Railway applications - DC surge arresters and voltage limiting devices - Part 2: Voltage limiting de...
IEC 62848-2:2019 applies to Voltage Limiting Devices (VLDs) to be applied in DC traction systems in order to comply with protective provisions against electric shock from DC, and combined AC – DC voltages, in accordance with the IEC 62128 series, taking into account stray current provisions.
VLDs operate in such a way as to connect the track return circuit of DC railway systems to the earthing…
Round steel short link chains for lifting purposes — Chain slings of welded construction — Grade 8
This document specifies the requirements, methods of rating and testing of single, double, three and four leg welded chain slings of grade 8 using components such as sling chains according to ISO 3076 together with links according to ISO 16798, hooks according to ISO 7597 and forged components according to ISO 8539.
NOTE 1 For special lifting purposes not covered by this document, additionally…
Electric vehicle wireless power transfer (WPT) systems - Part 2: Specific requirements for communica...
IEC TS 61980-2:2019 applies to communication between electric road vehicle (EV) and wireless power transfer (WPT) systems when connected to the supply network, at standard supply voltages per IEC 60038 up to 1000 V AC and up to 1500 V DC.
This document also applies to wireless power transfer equipment supplied from on-site storage systems (e.g. buffer batteries) at standard supply voltages per…
Automation systems and integration — Oil and gas interoperability — Part 1: Overview and fundamental...
This document provides requirements, specifications and guidance for an architecture of a supplier-neutral industrial digital ecosystem. It includes a standardized connectivity and services architecture, and a standardized use case architecture with methods to specify atomically re-usable scenarios and events, which can be used to specify the characteristics of standardized industry use cases.…
Gas cylinders — Specifications and testing of LPG cylinder valves — Self-closing
This document specifies the requirements for design, specification, type testing and production testing and inspection for dedicated LPG self-closing cylinder valves for use with and directly connected to transportable refillable LPG cylinders.
It also includes requirements for associated equipment for vapour and liquid service. Bursting discs and/or fusible plugs are not covered in this document…
Gas cylinders — Specifications and testing of LPG cylinder valves — Manually operated
This document specifies the requirements for design, specification, type testing and production testing and inspection of dedicated LPG manually operated cylinder valves for use with and directly connected to transportable refillable LPG cylinders.
It also includes requirements for associated equipment for vapour and liquid service. Bursting discs and/or fusible plugs are not covered in this…
Operation and maintenance of health care facilities
1 Scope
1.1
This Standard describes the requirements, including quality system requirements, for the O&M of an HCF. It sets out specific requirements for
a) buildings and architectural systems;
b) site elements related to the building and its functions, including on-site access routes;
c) on-site utilities;
d) the building's mechanical, electrical, and information technology, and…
Site preparation, foundation, and installation of buildings
1 Scope
1.1 Application
This Standard applies to single- and multi-section buildings supported on longitudinal floor beams, or perimeter rim joists designed to perform as beams.
1.2 Issues addressed
This Standard specifies requirements for the following aspects of building installation:
a)
site preparation;
b)
permanent foundations;
c)
anchorage to resist overturning and pier toppling…
