Section 2: Individual LEED Credit Reviews
LEED Credit ID-1.4B:
Basis for Cost Assumption
Exceed Certified Wood
For both the Courthouse and Office Building
models, LEED calculations have been developed
Criteria (75%)
to demonstrate how the 75 percent certified wood
threshold can potentially be achieved (see
"Supporting Calculations" below).
Intent (for all Innovation in Design Credits)
Courthouse
To provide design teams and projects the
opportunity to be awarded points for exceptional
In the Courthouse model, all the fixed furnishings
performance above and beyond the
in the Courtrooms and Judges' Chambers are
requirements set by the LEED Green Building
fabricated from certified woods. Additional
Rating System and/or innovative performance in
certified wood items include the unrated solid core
Green Building categories not specifically
wood doors in the Courtrooms and Judge's
addressed by the LEED Green Building Rating
Chambers, additional casework in the Executive
System.
offices, and a portion of the building's hardwood
base. Cost premiums are defined for FSC-certified
Requirement
hardwoods, veneers, plywood, and doors (stave
core).
In writing, identify the intent of the proposed
innovation credit, the proposed requirement for
Office Building
compliance, the proposed submittals to
In the Office Building model, the FSC-certified
demonstrate compliance, and the design
products include unrated solid core wood doors
approach (strategies) that might be used to meet
(stave core) and hardwood base.
the requirements.
(1 point)
Summary of First Cost Impacts
Cost Impact = 4 or 5
Courthouse (New Construction, 262,000 GSF)
Total Credit Cost...................................... 2,098
1
2
3
4
5
Cost Impact ($/GSF) .......................... .48/GSF
Cost Impact (%) ............................................ 1.59%
GSA
No
Low
Moderate
High
Standard
premium,
premium
premium
premium
(no cost)
psble svgs
(<50K)
(50-150K)
(>150K)
Office Building (Modernization, 306,600 GSF)
Practical Applications
Total Credit Cost...................................... 8,460
Cost Impact ($/GSF) ..........................
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.42/GSFA LEED innovation and design credit can be
Cost Impact (%), Min. Facade .................... 0.33%
earned for exceeding the requirements of credit
Cost Impact (%), Full Facade......................0.32%
MR-7 (Certified Wood). The threshold to achieve
an innovation credit is 75 percent. The credit is
more likely to be achieved in projects with less
overall wood use (e.g., office facilities) than in
projects such as Courthouses, which have
extensive wood paneling and casework. See the
credit MR-7 evaluation for additional information
on typical materials that can be targeted to achieve
this credit.
GSA LEED COST STUDY
162
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