Section 2: Individual LEED Credit Reviews
Synergistic Credits
Supporting Calculations
On most projects, a number of the targeted
Tables MR4.1-1 and MR4.1-2 identify the
recycled-content materials will also apply to other
materials used to achieve this credit in the "low
LEED credits. Examples include agrifiber
cost" and "high cost" Courthouse scenarios,
substrate board (strawboard) that can be
respectively. LEED calculations demonstrate that
considered both a recycled and rapidly renewable
the 5 percent threshold is attained.
material, or recycled-content carpet tiles that also
Tables MR4.1-3 and MR4.1-4 identify the
meet the emission standards of Credit EQ-4.4
materials used to achieve this credit in the
(Low-Emitting Materials, Carpet). Material
"minimal faade renovation" and "full faade
synergies are relatively common in LEED projects;
renovation" Office Building scenarios, respectively.
however, as in the case of the Courthouse and
LEED calculations demonstrate that the 5 percent
Office Building models of this study, they may not
threshold is attained.
result in appreciable cost impacts.
Table MR4.1-1: 5 Percent Recycled Content, "Low Cost" Courthouse Scenario
Total Construction Cost
$ 43,542,871
For Case 5A (Gold), worst case scenario
Total Materials Cost
$ 16,795,900
Calculated Materials Cost for Case 5A (excludes all MEP, labor and equipment)
Recycled Content
%
Product
Installed
Product
Weighted $
Product
of Total
% Post
% Post
Cost
Cost
Cost %
Value
Materials Cost
Consumer
Industrial
STEEL
Structural steel floor and roof framing, including
$
3,033,774
55%
$
1,668,576
60.0%
30.0%
$
1,251,432
7.45%
columns
Project Totals:
$ 1,251,432
7.45%
1 Point Earned
GSA LEED COST STUDY
102
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