Page 87 - U4SSC KPIs Verification Manual - A guide for verifiers

Dimension Economy
Sub-Dimension Infrastructure

Category Buildings
KPI Name Public Building Sustainability
KPI No. EC: I: B: 1A Type: Advanced Type: Sustainable

Definition / Percentage area of public buildings with recognized sustainability certifications for
Description ongoing operations

Rationale / Buildings can account for a significant proportion of the GHG emissions and
Interpretation / resource use within a city. Sustainability certifications have shown that buildings
Benchmarking going through the process of certifying and striving for higher levels of certification
will generally use less energy and water. Such buildings also show increased levels
of recycling and composting, and are more comfortable for occupants.
Certifications for public buildings can in particular demonstrate what is possible
and provide leadership to the private sector.

Certifications are only acceptable if they are for ongoing building operations and
maintenance. Certifications for design should not be included as the design stage
normally is only 5–10 per cent of a building’s total life cycle impact.
Standards to be included are: BREEAM, LEED, CASBEE, BOMA BEST, BCA Green
Mark, Passive House.
Other standards that are equivalent to the above can be reported.

An improving trend and higher values are considered positive.
Methodology Calculate as:
Numerator: Floor area of public buildings with certification to a recognized
standard for ongoing building operations (m ).
2
2
Denominator: Total floor area of public buildings (m ).
Multiply by 100.
Report by Certification Scheme.

Unit Percentage
Data Sources NOTE – Data can be obtained through the facilities group within the city and
/ Relevant through the websites of various certification agencies, such as:
Databases
<http:// www .breeam .com/ >
<http:// www .usgbc .org/ LEED/ >
<http:// www .ibec .or .jp/ CASBEE/ english/ >
<http:// passivehouse .com/ index .html>

U4SSC KPIs Verification Manual-A guide for verifiers 77