Railway applications — Heating, ventilation and air conditioning systems for rolling stock — Part 2:...
This document specifies a general approach for achieving thermal comfort for passenger compartments or saloons of railway vehicles (single level or double-decker) such as main line, regional/suburban and urban vehicles used in public transportation services.
This document also describes guidelines to specify conditions, performance values and the comfort parameter measurement methods for…
Building information modelling (BIM) — Data templates for construction objects used in the life cycl...
This document sets out the principles and structure for data templates for construction objects. It is developed to support digital processes using machine-readable formats using a standard data structure to exchange information about any type of construction object, e.g. product, system, assembly, space, building etc., used in the inception, brief, design, production, operation and demolition of…
Metallic communication cable test methods - Part 4 - 9: Electromagnetic compatibility (EMC) - Coupli...
IEC 62153-4-9:2018+A1:2020 applies to metallic communication cables. It specifies a test method for determining the coupling attenuation aC of screened balanced cables. Due to the concentric outer tube, measurements are independent of irregularities on the circumference and external electromagnetic fields. A wide dynamic and frequency range can be applied to test even super screened cables with…
Information and documentation — Processes and functional requirements for software for managing reco...
This document provides model, high-level functional requirements and associated guidance for software applications that are intended to manage digital records (including digital copies of analogue source records), either as the main purpose of the application or as a part of an application that is primarily intended to enable other business functions and processes.
It does not include:
—…
IEC 61534-1:2011+A1:2014+A2:2020 specifies general requirements and tests for powertrack (PT) systems with a rated voltage not exceeding 277 V a.c. single phase, or 480 V a.c. two or three phase 50 Hz/60 Hz with a rated current not exceeding 63 A. These systems are used for distributing electricity in household, commercial and industrial premises. This second edition cancels and replaces the…