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This document specifies materials and the general aspects of polyethylene (PE) pressure piping systems (mains and service pipes) for buried or above ground applications, intended for the conveyance of: water intended for human consumption, — raw water prior to treatment, — drains and sewers under pressure, — vacuum sewer systems, — water for irrigation, — water for other purposes, with the exception of industrial applications. The intended use includes sea outfalls, laid in water and pipes suspended below bridges. NOTE 1 Attention is drawn to Clause 6 of this document for PE components for the conveyance of water intended for human consumption and raw water prior to treatment. Components manufactured for water for other purposes, drains and sewers, and vacuum sewer systems are possibly not suitable for water supply for human consumption. PE pipe systems for industrial applications and irrigation with limited pressure exposure are not covered by this document. NOTE 2 Industrial application is covered by iso:proj:55627ISO 15494, irrigation with limited pressure exposure is covered by ISO 8779 [3]. This document also specifies the test parameters for the test methods referred to in this document. In conjunction with ISO/DIS 4427-2, ISO/DIS 4427-3 and ISO/DIS 4427-5, this document is applicable to PE pipes and fittings, their joints and to joints with components made of PE and other materials, intended to be used under the following conditions: a) a maximum allowable operating pressure (PFA) up to and including 25 bar; b) an operating temperature of 20 °C as the reference design temperature. For applications operating at constant temperatures greater than 20 °C and up to and including 50 °C, see Annex A. The ISO 4427 series covers a range of maximum allowable operating pressures and gives requirements concerning colours. It is the responsibility of the purchaser or specifier to make the appropriate selections from these aspects, taking into account their particular requirements and any relevant national guidance or regulations and installation practices or codes.

 

This document specifies the requirements for respiratory protective devices for use by workers during response to incidents involving chemical, biological, radiological or nuclear (CBRN) materials used with intent to cause harm or in cases of accidental release outside traditional hazardous materials response categories. For the purposes of this specification, all incidents described here are named CBRN incidents. This document is applicable to RPD for use by personnel in the following roles: — First responders: including police, fire service, emergency medical, search and rescue, sampling and detection teams. — Workers needed for specific roles during response (utility, transportation, service continuity). — Medical personnel working with casualties of CBRN incidents. — Responders to release incidents involving nuclear materials. — Non-emergency but CBRN-related roles. — Workers in need of protection during escape from a CBRN or radiological release incident. — Workers in need of protection from nuclear materials. The requirements for RPD use by the following groups are not addressed by this document: — Military personnel outside of first responder roles. — Children. — Animals. Requirements for the following are not covered by this document: — Collective protection systems including ventilated casualty/body bags. — Methods of and criteria for decontamination of RPD. — Disposal of used or contaminated equipment. This document is focused on respiratory protection requirements, but it is recognised that CBRN supplied breathable gas RPD are always used as part of an ensemble with protective clothing. The total ensemble effectiveness is not covered by this document.

 

This document specifies the requirements for respiratory protective devices for use by workers during response to incidents involving chemical, biological radiological or nuclear (CBRN) materials used with intent to cause harm or in cases of accidental release outside traditional hazardous materials response categories. For the purposes of this document, all incidents described here are named CBRN incidents. This document is applicable to RPD for use by personnel in the following roles: — First responders: including police, fire service, emergency medical, search and rescue, sampling and detection teams. — Workers needed for specific roles during response (utility, transportation, service continuity). — Medical personnel working with casualties of CBRN incidents. — Responders to release incidents involving nuclear materials. — Non-emergency but CBRN-related roles. — Workers in need of protection during escape from a CBRN or radiological release incident. — Workers in need of protection from nuclear materials. The requirements for RPD use by the following groups are not addressed by this document: — Military personnel outside of first responder roles. — Children. — Animals. Requirements for the following are not covered by this document: — Collective protection systems including ventilated casualty/body bags. — Methods of and criteria for decontamination of RPD. — Disposal of used equipment. This document is focused on respiratory protection requirements, but it is recognised that CBRN RPD are always used as part of an ensemble with protective clothing. The total ensemble effectiveness is not covered by this document.

 

This part of ISO 27327 establishes uniform methods for laboratory testing of air curtain units to determine aerodynamic performance in terms of airflow rate, outlet air velocity uniformity, power consumption and air velocity projection, for rating or guarantee purposes. This part of ISO 27327 is not applicable to the specification of test procedures to be used for design, production or field testing.

 

This document defines terms used in the field of soil quality.