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EE P1.0 Energy Efficient Design
EE C1.1 Superior Energy Efficient Design & Zero Net Energy
EE P2.0 Commissioning
EE C2.1 Enhanced Commissioning
EE C3.1 Energy Management Systems & Submetering
EE C4.1 Advanced Ventilation Strategies


EE P1.0     ENERGY EFFICIENT DESIGN

PREREQUISITE

APPLICABILITY:  All Projects

EE P1.0         REQUIREMENTS

Projects shall design for energy efficiency and greenhouse gas emissions reduction by demonstrating compliance with one of the following:

Prescriptive Compliance Options

  1. The prescriptive requirements of ASHRAE Standard 90.1-2016
  2. The prescriptive requirements of the 2018 edition of the International Energy Conservation Code (IECC)
  3. The base requirements of Tier 2 of the Advanced Buildings New Construction Guide from the New Buildings Institute (NBI).
  4. The 50% ASHRAE Advanced Energy Design Guide for Schools

Performance Compliance Options

  1. Demonstrate the project’s energy performance is more efficient on a source energy basis than the Budget Building Design, using the procedures in ASHRAE Standard 90.1-2016, Appendix G.
  2. Achieve an ENERGY STAR score of at least 75 using Target Finder or Portfolio Manager. This option may be used with any baseline, but additional points in C1.1 are not available without modeling against ASHRAE 90.1-2016 or following zEPI.


​​​​​​​EE C1.1     SUPERIOR ENERGY EFFICIENT DESIGN & ZERO NET ENERGY

CREDIT

APPLICABILITY: All projects.

EE C1.1         REQUIREMENTS

EE C1.1.1         Superior Energy Efficient Design

For overall energy performance, achieve energy reductions beyond the energy pre-requisite. Additional requirements are listed below.

Performance Compliance Option

Energy reductions shall be calculated utilizing the protocol from EE P1.0 and this section. Points are awarded as shown in the table in accordance with the following equation for percentage improvement or a zEPI score.

Points

Percentage Improvement

Optional zEPI Equivalent (9)

1

2%

51

2

4%

50

3

6%

49

10

20%

42

15

30%

37

20

40%

31

25

50%

26

30

>=60%

21

Interpolation between the values in the above table is permitted.

Prescriptive Compliance Options

Projects may demonstrate energy reductions by complying with the requirements of the Advanced Buildings New Construction Guide from the New Buildings Institute (NBI). Points shall be awarded according to the following table:

Points

Requirement

Optional zEPI Equivalent

1

Base requirements of Tier 2

51

2

Tier 2 + Criterion 2.18:  Enhanced Envelope

50

3

Tier 2 + Criteria 3.2:  Advanced Envelope

49

7

Tier 2 + Criteria 3.6:  Variable Capacity Heat Pump (VRF)

46

 

EE C1.1.2         Zero Net Energy

For 1-or 4 additional points, design the building to produce as much renewable energy as it consumes per year. There are two options:

Zero Net Energy Capable

For schools that aspire to achieve zero net energy at a future date, design the building with a low enough energy usage metric that it could be 100% powered by on-site renewable systems and include features that make it ready to add the renewable systems without modification.

Zero Net Energy Achieved

For schools that will install renewable systems as part of the project scope, show through the energy modeling required for EE P1.0 that on-site renewable energy systems produce as much energy on an annual basis as is used by the sum of all the building systems. Alternatives to on-site systems, such as renewable district energy or microgrid, will be considered case-by-case. Purchase of green power from the grid does not count as zero net energy.


EE P2.0     COMMISSIONING

PREREQUISITE

APPLICABILITY: All projects.

EE P2.0         REQUIREMENTS

This prerequisite requires a commissioning process to be in place early in the design process and carries through to the post-occupancy 10-month warranty review and subsequent completion of a commissioning report.

ALL of the fundamental best practice commissioning procedures must be implemented:

Engage an independent, third-party commissioning agent (CxA). The commissioning agent will be responsible for commissioning the following critical building systems (1):

  1. Electrical Systems
  • Lighting systems and lighting controls (daylight, occupancy, timing switches, etc.)
  • On-site renewable solar electric or wind systems

Mechanical Systems

  • HVAC systems (such as hot water systems, chilled water systems, central air systems, ventilation systems)
  • Domestic hot water systems
  • Energy management system
  • Renewable energy heating systems

Plumbing Systems

  • Flow control devices
  • Pumping systems
  • Special hazardous waste treatment systems (e.g. for lab wastes)
  • Domestic hot water systems
  • Graywater systems (if applicable)

The commissioning scope of services shall include:

  • Review Owners Project Requirements (OPR) (formerly known as Design Intent documentation) and Basis of Design (BOD) documentation.
  • Conduct a focused review of the design prior to the Construction Documents (CDs) phase.
  • Issue Design Review Comments and conduct (1) back check review prior to submitting Permit Set to the Building Department / AHJ.
  • Review commissioning requirements for inclusion in the specifications / CDs.
  • Develop and utilize a commissioning plan.
  • Conduct a selective review of contractor submittals of commissioned equipment.
  • Review the Operations & Maintenance manual.
  • Verify installation, functional performance testing (including off-season testing), training, and operations and maintenance documentation. A minimum 20% sampling strategy for testing terminal units and repetitive units is permissible. All major systems must be tested.
  • Participate in training of facility staff in accordance with the training plan (OM P1.0).
  • Complete a commissioning report.
  • Conduct a 10-month, post occupancy warranty review.

EE C2.1     ENHANCED COMMISSIONING

CREDIT

APPLICABILITY: All projects.

EE C2.1         REQUIREMENTS

This criterion is intended to allow project managers to think beyond the typical scope of a commissioning authority into other useful system testing, including building envelope commissioning, and to seek out a highly skilled professional commissioning agent.

EE C2.1.1         Certified Commissioning Professional

The commissioning professional is third party ANSI certified with at least five years’ experience in the state where s/he practices.

AND/OR

EE C2.1.2         Building Envelope Commissioning

Commission the building envelope(s) using ASTM E2813, the National Institute of Building Sciences (NIBS) Guideline 3 or an equivalent approach.


EE C3.1     ENERGY MANAGEMENT SYSTEMS & SUBMETERING

CREDIT

APPLICABILITY: All Projects

EE C3.1         REQUIREMENTS

EE C3.1.1         Systems Control

Install a base level Energy Management System (EMS) or equivalent Building Automation System (BAS) or Building Management System (BMS) to control the operating schedule of HVAC systems throughout the building including terminal units, packaged units, air handling units, make-up air units, centralized hydronic heating and cooling systems, pumps, and fans including fume hoods. Fractional horsepower fans, fractional horsepower pumps and units providing air conditioning to spaces requiring continuous 24/7 cooling such as computer server rooms, network equipment rooms, or walk-in refrigerators and freezers are excluded. The base level EMS shall provide the following energy saving features:

  • Schedule unoccupied setback temperature control so that units can heat during unoccupied modes should the space temperature fall below the setback temperature. Setback temperature settings shall be no higher than 60 degrees F.
  • Scheduled control of all ventilation outdoor air fans, exhaust fans and outdoor air dampers so that fans are turned off and dampers are closed during unoccupied periods.
  • Zoning of systems so that major building areas (i.e. gymnasium, cafeteria, library, classrooms, and administrative offices) can be independently scheduled during non-school hours.
  • An override system to temporarily change a unit or zone from unoccupied to occupied mode locally is permitted provided that it is timed and will automatically revert back to the normal operating schedule after no more than four hours. A local override switch that is not on a timer is not permitted. Ventilation outdoor air shall be set to occupied mode if the local override is used.

A centrally located scheduling interface shall be provided so that the operator can schedule the EMS operating mode for weekdays, weekends, and holidays. The scheduler shall be capable of independently scheduling each major building area or zone. If the facility management staff that sets the operating schedule is located at another site, the EMS shall have a web-based interface so that the schedule can be set remotely. Any system – including but not limited to Building Automation System or Building Management System – that includes the above features shall meet this requirement.

EE C3.1.2         Automated Demand Management.

Install an advanced energy management system (EMS) capable of supporting Automated Demand Management functions. System shall be capable of:

  • Storing pre-programmed demand management control strategies for specific controlled equipment and/or systems that will, in a safe and controlled manner, increase or decrease electrical demand, (e. g., change cooling setpoints, turn equipment on or off, rotate loads to avoid simultaneous/stacked demand) when triggered.
  • Store pre-conditions for triggering and releasing discrete demand control strategies, such as approaching user defined demand thresholds, applicable electricity pricing points, etc.
  • Respond to external signals as triggers for implementing and releasing demand management control strategies such as a contracted demand response event. The facility shall either demonstrate compliance with Open ADR 2.0 or demonstrate similar functionality via automated triggers using other communications protocols.
  • Support automated notification of a demand response event scheduled, threshold met, strategies scheduled for triggering, strategies executed and strategies released to normal control.
  • Allow for remote access opt out or cancellation of any demand control strategy scheduled or currently in force.
  • Allow for remote access user triggering of any demand control strategy not currently in force as well as scheduling triggering any demand control strategy for future triggering and release.
  • Energy models should be used to determine appropriate setback temperatures during unoccupied hours.

EE C3.1.3         Submetering/Data Acquisition and Storage

Install a meter data acquisition and storage system for all electrical power used within the building. The system can use the main utility meter as a data source or an owner-supplied submeter provided that all electrical power used in the building is recorded. Data from the system shall at a minimum record and store every 1 minute and shall be available to the operator with no less than 1 hour of the time the energy was consumed. The system shall include a user interface to trend and analyze stored data. Using the EMS, a separate stand-alone system, or a system provided by the local utility company are all acceptable provided that the system meets the requirements described herein.


EE C4.1 ADVANCED VENTILATION STRATEGIES

CREDIT

APPLICABILITY: New schools, a new building on an existing campus, additions and  major renovations/modernizations based on the scope of the project.

EE C4.1         REQUIREMENTS

EE C4.1.1         Natural Ventilation

Design schools such that at least 75% of the classrooms are designed to provide comfort conditions with no mechanical cooling according to the comfort conditions defined in ASHRAE Standard 55-2017 (3).

Naturally ventilated classrooms (with no mechanical cooling) shall meet the classroom ventilation requirements of ASHRAE Standard 62.1-2016 §5.1 or demonstrate that engineered natural ventilation systems satisfy the requirements (2).

EE C4.1.2         Energy Conservation Interlocks

For hybrid systems that use natural ventilation in combination with mechanical cooling, install interlocks or an equivalent mechanism, to prevent heating and cooling equipment from operating when exterior windows or doors are open.