Section 4: LEED-Related Soft Costs
system/equipment corrections
requirements. The estimates also include LEED
(Responsibility: MEP Engineers).
administration and coordination efforts by the
architect. LEED Design and LEED
Hourly estimates are also used to define LEED
Documentation costs are tracked separately.
Documentation costs. The interviewed
professionals maintained that LEED
Experienced Design/Construction Team Approach
Documentation would be an additional service even
The fees developed for these scenarios are based on
in the Experienced Design Team approach.
a combination of two types of estimates:
Although LEED Version 2.1 has reduced the
amount of documentation that must be submitted
1. Construction-cost-based fee increases. These are used
(as compared to LEED Version 2.0), the
to define a "lump sum" fee that covers all the
professionals believed that significant time is still
design and construction phase LEED Process
required for tracking submittals, creating drawings,
tasks performed by the design/construction
and preparing calculations in anticipation of
team. The assumptions used for these fees are
potential credit audits. The LEED Documentation
as follows: a 2.5 percent construction cost
fees in these scenarios include increased time for
increase is applied to the New Courthouse
submittal reviews and contractor education as well
(assumed to achieve a LEED Silver rating),
as time to assemble the final documentation
with a 6percent design team fee. A 3 percent
package.
construction cost increase is applied to the
Office Building Modernization (assumed to
Results
achieve a LEED Silver rating), with a 6 percent
design team fee.
In the Expert Consultant approach, the soft cost
totals (including both design and documentation
2. Hourly estimates. These are used to define fees
costs) for the six New Courthouse scenarios ranged
for all Credit-Specific design tasks that are
from
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.41/GSF to
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.80/GSF, as detailed inconsidered to be above and beyond the scope
Table 4-1A. The soft cost totals for the six Office
of a "typical" LEED Silver-rated building. The
Building Modernization scenarios ranged from
tasks include measures that only apply to the
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.41/GSF to
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.70/GSF, as detailed in Table 4-Gold rating scenarios (e.g., green roof,
1B.
photovoltaics), and the following tasks that
apply to both Gold and Silver scenarios:
In the Experienced Design/Construction Team
approach, the soft cost totals for the six New
Energy and Atmosphere Credit EA-1:
Courthouse scenarios ranged from
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.43/GSF toOptimize Energy Performance. Additional
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.73/GSF, as detailed in Table 4-2A. The softservices are incurred when high-energy
cost totals for the six Office Building
point totals are pursued (in Gold and some
Modernization scenarios ranged from
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.35/GSF"high-cost" Silver rating scenarios). The
to
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.59/GSF, as detailed in Table 4-2B.additional fees are for extended computer
energy modeling and evaluations and for
additional engineering design and
production time (Responsibility: MEP
Engineers and/or Energy Modeling
Consultant).
Energy and Atmosphere Credit EA-5:
Measurement and Verification. Additional soft
costs are incurred to develop a detailed
Measurement and Verification Plan that
includes a listing of systems and equipment
to be monitored, a definition of building
baseline energy performance, a
methodology to verify projected savings,
and suggested procedures for
GSA LEED COST STUDY
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