Section 2: Individual LEED Credit Reviews
LEED Credit SS-4.3:
Basis for Cost Assumption
Alternative Transportation
In new GSA Courthouses, parking is provided only
for judges and a limited number of court officers
Alternative Fuel Vehicles
and officials. Access to parking is severely
restricted due to security concerns. Because of
these limitations, designated parking spaces for
Intent
alternative fuel vehicles are not considered practical
or achievable in the Courthouse scenarios.
Reduce pollution and land development impacts
from automobile use.
In the Office Building scenarios, electric-vehicle
recharging stations are included in 3 of the 6 cases.
Requirement
Based on a total parking count of 102 spaces (2
levels of underground parking), 3 interior charging
Provide alternative fuel vehicles for 3% of
stations are included. The stations are assumed to
building occupants AND provide preferred
have integral metering capability. Associated
parking for these vehicles, OR install alternative-
electrical distribution costs are included in the
fuel refueling stations for 3% of the total vehicle
premium.
parking capacity of the site. Liquid or gaseous
fueling facilities must be separately ventilated or
Summary of First Cost Impacts
located outdoors.
(1 point)
Courthouse (New Construction, 262,000 GSF)
Cost Impact = 3
The credit is not applicable.
Office Building (Modernization, 306,600 GSF)
1
2
3
4
5
GSA
No
Low
Moderate
High
Total Credit Cost........................................ ,426
Mandate
premium,
premium
premium
premium
Cost Impact ($/GSF) ..........................
||content||
.05/GSF(no cost)
psble svgs
(<50K)
(50-150K)
(>150K)
Cost Impact (%), Min. Facade .................... 0.04%
Cost Impact (%), Full Facade......................0.04%
Practical Applications
For most GSA projects, it is assumed that this
Additional Considerations
credit would be pursued using one of the following
two measures:
Although the costs associated with electric-vehicle
recharging stations are relatively low, this strategy
1. Install electric car recharging stations (and
should not typically be pursued without review
designate assigned parking spaces). This would
from appropriate GSA officials. The market for
be appropriate primarily in instances where
electric vehicles is unclear for the near future, as
GSA has, or intends to purchase, a fleet of
more vehicle options are becoming available with
electric vehicles for its general use.
hybrid engine technology. The applicability and
2. Purchase hybrid fuel vehicles (and designate
value of electric vehicle recharging stations should
assigned parking spaces). This would be
be clearly justified before they are included in a
appropriate primarily in instances where GSA
project.
intends to start or expand a fleet of hybrid fuel
vehicles for its general use.
Synergistic Credits
Liquid or gaseous fueling facilities were not
deemed likely for GSA buildings because of cost,
None identified (with construction cost impacts).
security, and practicality concerns.
GSA LEED COST STUDY
35
Previous Page
