Standards
This document recommends good practices for all elements of conformity assessment, including objects of conformity assessment, specified requirements, activities, bodies, systems, schemes and results. It is intended for use by individuals and bodies that wish to provide, promote or use impartial and reliable conformity assessment services. Providers of conformity assessment can include conformity assessment bodies, accreditation bodies, peer-assessment agreement groups, and organizations providing declarations of conformity. Individuals or organizations that promote or use conformity assessment can include, as appropriate, regulators, trade officials, and owners of conformity assessment systems and schemes.
This standard covers flat-bottomed water storage tanks of circular cross-section manufactured from unreinforced polyethylene by the process of rotational moulding. Included are requirements for physical characteristics, dimensions, materials performance, testing marking and labelling.
These specifications apply to tanks intended for:
(a) The storage of potable water at normal atmospheric pressure;
(b) Installation and use at environmental or service temperatures such that the material of tank remains between 15 °C and 80°C; and
(c) Vertical, above- ground installation on fixed, flat, fully- supporting bases.
This standard outlines minimum requirements for performance, labelling, construction and testing of non-medical face masks. These non-medical face masks are intended to reduce the risk of general transmission of infectious agents but do not fall under the ambit of personal protective equipment (PPE).
This standard is applicable to non-medical face masks made out of paper, plastic, fabric or any other breathable materials, synthetic or natural, that are disposable or reusable. It also applies to non-medical face masks that are stitched or bonded by any other methods.
This standard does not apply to the following types of face masks:
a) folded without stitching;
b) medical; and
c) elastomeric particulate respirators.
This standard does not address flame resistance, high-heat, electrical arc or related hazards.
This part of IEC 61850 specifies the information model of devices and function related to substation applications . IN particular , it specified the compatible logical mode names and data names for communication between intelligent . Electronic devices (IED) . This includes the relationship between logical nodes ands data.