Tall-Building Projects Sustainability Indicator (TPSI): A New Design and Environmental Assessment Tool for Tall Buildings

The paper presents the features of Tall-building Projects Sustainability Indicator (TPSI)—a “Sustainability Rating System” that specializes in tall-building projects. The system comprises two components; the “Technical Manual” in the form of a booklet and the “Calculator” in the form of an Excel tool. It can be used as a “design tool” and/or as a “checklist” to compare and to improve the sustainable performance of tall-building design schemes. At the same time, the system can be used to evaluate the sustainability of existing tall-building projects. The first version of the TPSI rating system (TPSI 2012 Version) was released as an online tool (GreenLight) and thoroughly examined and validated by multiple parties