Section 2: Individual LEED Credit Reviews
LEED SS Prerequisite 1:
A description of all temporary and permanent
erosion control and stormwater control
Erosion and
measures implemented on the project site
A description of the type and frequency of
Sedimentation Control
maintenance activities that will be required for
the erosion control measures utilized
The plan can incorporate site and/or landscape
Intent:
construction documents, project specifications, and
Control erosion to reduce negative impacts on
other information prepared by the design and
water and air quality.
construction teams.
Requirements:
The referenced EPA guidelines for erosion control
are generally considered good practice, and are
Design to a site sediment and erosion control
often consistent with local erosion and
plan, specific to the site, that conforms to United
sedimentation control requirements. Typical
States Environmental Protection Agency (EPA)
strategies include:
Document No. EPA 832/R-92-005 (September
1992), Storm Water Management for Construction
Silt fencing as a temporary sedimentation
Activities, Chapter 3, OR local erosion and
control measure
sedimentation control standards and codes,
Buffer zones or vegetated filter strips to
whichever is more stringent. The plan shall meet
catch sediment and decrease the velocity of
the following objectives:
runoff for erosion control
Diversion ditches to keep up-slope runoff
Prevent loss of soil during construction by
from crossing areas at high risk of erosion and
stormwater runoff and/or wind erosion,
to channel that runoff to temporary sediment
including protecting topsoil by stockpiling for
trapping basins
reuse.
Prevent sedimentation of storm sewer or
Storm drain inlet protection filters
receiving streams.
Stabilized construction entrances to
Prevent polluting the air with dust and
prevent construction vehicles from tracking
particulate matter.
soil off site
Temporary seeding to stabilize disturbed
areas and reduce erosion
Cost Impact = 2
Sediment basins to act as settling ponds for
capturing sediment produced by construction
activities
1
2
3
4
5
Basis for Cost Assumption
GSA
No
Low
Moderate
High
Mandate
premium,
premium
premium
premium
(no cost)
psble svgs
(<50K)
(50-150K)
(>150K)
Erosion and sedimentation control measures are
typically addressed in GSA projects. GSA's P100
Practical Applications
notes that Site Planning and Landscape Design
drawings are to include a planting plan that
To meet the requirements of this prerequisite, an
addresses erosion control, among other issues.
Erosion Control Plan must be developed that
Although the formal Erosion Plan required in
addresses all of the following components:
LEED may require more documentation than is
typical for a GSA project, no additional
A statement of erosion and stormwater control
construction costs are assumed.
objectives
A comparison of post-development
stormwater runoff conditions with
predevelopment conditions
GSA LEED COST STUDY
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