Sustainability in buildings and civil engineering works. Carbon metric of an existing building during use stage - Verification Ingestion-build-159183 Water quality management prior to

Water quality management prior to occupation or as a result of low/no occupancy or usage

PD CEN/TS 16658 is based on EN ISO 11354-1

or components of the hold-open system

BS ISO/IEC 19793:2008 Information technology

Electric grid managers

Sustainability in buildings and civil engineering works. Carbon metric of an existing building during use stage - Verification Ingestion-build-159183 Water quality management prior to1 Scope This document specifies requirements for the verification of a carbon metric calculation for GHG emissions of an existing building during the use stage, where the carbon metric calculation is performed in accordance with ISO 167451. NOTE Before verification, the carbon metric according to ISO 167451 is a claim. Only after the verification according to this document can the carbon metric be communicated as a carbon metric declaration.