Section 2: Individual LEED Credit Reviews
LEED Credit EA-5:
Practical Applications
Measurement
GSA's P100 lists a minimum number of control
and monitoring points that are required for
and Verification
installed HVAC equipment. In addition, P100
notes that building automation systems (BAS) are
required for all projects over 100,000 square feet.
Intent:
Because of these baseline requirements, the
additional measures needed to comply with this
Provide for the ongoing accountability and
credit will typically involve:
optimization of building energy and water
consumption performance over time.
Additional meters and/or panels to fully
monitor the building systems listed in the
Requirement:
credit requirement
Install continuous metering equipment for the
Additional BAS tie-ins for the new meters and
following end-uses:
panels
Lighting systems and controls
Additional trend log programming for the
Constant and variable motor loads
BAS system
Variable frequency drive (VFD) operation
In addition, the design teams will need to develop a
Chiller efficiency at variable loads (kW/ton)
Measurement and Verification (M&V) Plan, based
Cooling load
on the referenced IPMVP Standard, that includes:
Air and water economizer and heat
A listing of systems and equipment to be
recovery cycles
Air distribution static pressures and
monitored
A definition of building baseline energy
ventilation air volumes
Boiler efficiencies
performance
A methodology to verify projected savings
Building-related process energy systems and
Suggested procedures for system/equipment
equipment
Indoor water risers and outdoor irrigation
corrections.
systems
The M&V Plan is considered a project soft cost,
Develop a Measurement and Verification plan
and is addressed in Section Four of this report.
that incorporates the monitoring information
from the above end-uses and is consistent with
Basis for Cost Assumption
Option B,C or D of the 2001 International
Performance Measurement & Verification Protocol
For both the Courthouse and Office Building
(IPMVP) Volume I: Concepts and Options for
models, additional metering equipment is
Determining Energy and Water Savings.
identified, above and beyond GSA requirements,
to meet the credit criteria. The equipment includes:
(1 point)
Lighting panel meters at all tenant lighting
panels
Cost Impact = 4
Gas flow meters at supply lines feeding the
Receptacle panel meters at all tenant
1
2
3
4
5
receptacle panels
GSA
No
Low
Moderate
High
Domestic water flow meters
Standard
premium,
premium
premium
premium
(no cost)
psble svgs
(<50K)
(50-150K)
(>150K)
In addition, cost premiums are included for tie-ins
from the new meters to the BAS system. BAS tie-
in costs are also defined for the building chiller
GSA LEED COST STUDY
86
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