Section 2: Individual LEED Credit Reviews
LEED Credit MR-1.2:
not typically override these criteria, although they
might influence the process. Because of these
Building Reuse
assumptions, there is no cost premium assumed for
earning this credit.
Credit MR-1.2 only applies to the Office Building
Intent
modernization model. It is only included in the
"minimal faade renovation" scenarios because the
Extend the life cycle of existing building stock,
"full faade renovation" scenarios involve removal
conserve resources, retain cultural resources,
of a significant percentage of the existing building
reduce waste and reduce environmental impacts
shell.
of new buildings as they relate to materials
manufacturing and transport.
Summary of First Cost Impacts
Requirement
Maintain an additional 25% (100% total) of
Courthouse (New Construction, 262,000 GSF)
existing building structure and shell (exterior skin
and framing, excluding window assemblies and
The credit is not applicable.
non-structural roofing material).
(1 point)
Office Building (Modernization, 306,600 GSF)
Minimal Faade Renovation
Cost Impact = 2
No identified cost premiums.
Full Faade Renovation
1
2
3
4
5
The credit is not applicable.
GSA
No
Low
Moderate
High
Standard
premium,
premium
premium
premium
(no cost)
psble svgs
(<50K)
(50-150K)
(>150K)
Additional Considerations
Practical Applications
In those cases where a project reuses a portion of
This credit is targeted toward projects that are
an existing building (but not enough to merit a
reusing, restoring, or renovating an existing
point under this credit or Credit MR-1.1), the
building. The major consideration will typically be
project may apply the tonnage of reused building
whether 100 percent of the structure and shell can
toward Credit MR-2 (Construction Waste
be retained. If a GSA modernization or renovation
Management). The building materials have, in
project involves faade recladding, or demolition to
essence, been diverted from the landfill.
accommodate new additions, the 100 percent
preservation criteria will not be viable.
Synergistic Credits
Basis for Cost Assumption
None identified (with construction cost impacts).
The decision to renovate an existing building
(versus new construction) is outside the scope of
this study. However, many GSA projects do
involve building renovation, and in these cases it is
assumed that this credit can sometimes be
achieved. The extent of building preservation will
likely be determined by the functional requirements
of each project; i.e., the LEED objectives would
GSA LEED COST STUDY
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