标准编号：ISO 21931-2:2019
中文名称：建筑物和土木工程的可持续性 作为可持续性评估基础的建筑工程的环境、社会和经济性能评估方法的框架 第2部分：土木工程
英文名称：Sustainability in buildings and civil engineering works — Framework for methods of assessment of the environmental, social and economic performance of construction works as a basis for sustainability
发布日期：2019-05
标准范围
This document provides a general framework for improving the quality and comparability of methods
for assessing the contribution of civil engineering works and their related external works to sustainable
development based on a life cycle approach.
This document aims to bridge the gap between regional and national methods for the assessment of
the sustainability performance of civil engineering works by providing a common framework for their
expression.
This document identifies and describes issues to be taken into account in the development and use of
methods for the assessment of the sustainability performance for all types of civil engineering works,
both new and existing, and it is relevant for the assessment of the environmental, social and economic
performance of both new and existing civil engineering works over their entire life cycle.
The object of assessment in this document is the civil engineering works itself and its area of influence.
NOTE 1 For example, the assessment includes any local civil engineering works beyond the immediate area
of the civil engineering works; the transportation of the users of the civil engineering works; and the use and exploitation of the civil engineering works itself.
Assessments can be undertaken either for the whole civil engineering works, for a part of the civil
engineering works, or for a combination of several civil engineering works.
This document excludes environmental, social and economic risk assessment, but the results of a risk
assessment can be taken into consideration.
This document is intended to be used in conjunction with, and following the principles set out in,
ISO 15392 and the ISO 14000 family of International Standards.
The evaluation of technical and functional performance of the civil engineering works is outside the
scope of this document, but the technical and functional characteristics are considered within this
framework by reference to the functional equivalent. The functional equivalent takes into account
the technical and functional requirements and forms the basis for comparisons of the results of the
assessment.
Assessment methods that consider only one or two of the three dimensions of sustainability are outside
the scope of this document.This document does not set benchmarks or levels of performance relative to environmental, social and
economic aspects and impacts.
NOTE 2 Valuation methods, levels, classes or benchmarks can be prescribed in the requirements for
environmental, social and economic performance in the client’s brief, construction regulations, national
standards, national codes of practice, civil engineering works assessment and certification schemes, etc.
The rules for methods of assessment to consider in the assessment of environmental, social and
economic aspects of operation practices are included within this framework, and the consequences of
decisions or actions that influence the environmental, social and economic performance of the object of
assessment are identified so that they can be taken into account.
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