Maintenance engineering and management - appendix 12.A1: indicative economic life expectancy. CIBSE Guide M supplement: January 2020. (Chartered Institution of Building Services Engineers, 2020)
To be read in conjunction with CIBSE Guide M 'Maintenance engineering and management: a guide for designers, maintainers, building owners and operators, and facilities managers. 2nd edition' (CIBSE, 2014). Dated January 2020. Produced by CIBSE in partnership with the Royal Institution of Chartered Surveyors (RICS) and the Building Services Engineering Association (BESA).