7.8 Module B7 – Operational water use. Written by Anh-Migrate on 21. October 2012. Posted in Existing buildings, New buildings. 7.8 Module B7 – Operational water use. B-25 Assessment of operational water use in screening LCA B-26 Assessment of operational water use in simplified LCA. B-27 Assessment of operational water use in complete LCA. B-28 Accounting of different types of waste water treatment Lifecycle stage: B (all modules), Lifecycle stage: B7 Previous Next