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ASHRAE 90.1-2001. Arkansas Energy Code 2004 Compliance. ASHRAE 90.1-2001 and Arkansas Energy Code 2004. Commercial Buildings are governed by Chapter 7 or Chapter 8. Chapter 7 states: “ 701.1 Scope. Commercial buildings shall meet the requirements of ASHRAE/IESNA 90.1-2001.”

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ASHRAE 90.1-2001

Arkansas Energy Code 2004

Compliance


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Commercial Buildings are governed by Chapter 7 or Chapter 8.

  • Chapter 7 states: “701.1 Scope. Commercial buildings shall meet the requirements of ASHRAE/IESNA 90.1-2001.”

  • Chapter 8 states: “801.2Application. The requirements in Sections 802, 803, 804 and 805 shall each be satisfied on an individual basis. Where one or more of these sections is not satisfied, compliance for that section(s) shall be demonstrated in accordance with the applicable provisions of ASHRAE/IESNA 90.1-2001.”


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • ASHRAE 90.1-2001

    • 3. Definitions, Abbreviations and Acronyms

    • 5. Building Envelope

    • 6. Heating, Ventilating, and Air-Conditioning

    • 7. Service Water Heating

    • 9. Lighting

    • 11. Energy Cost Budget Method


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • 3. Definitions, Abbreviations and Acronyms

    • budget building design

    • building envelope

      • exterior

      • semi-exterior

    • building grounds lighting

    • continuous insulation (ci)

    • door, door area


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • 3. Definitions, Abbreviations and Acronyms

    • envelope performance factor

      • base envelope performance factor

      • proposed envelope performance factor

    • façade area

    • fenestration

      • skylight

      • vertical fenestration


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • 3. Definitions, Abbreviations and Acronyms

    • fenestration area

    • floor, envelope

    • floor area, gross

      • gross building envelope floor area

      • gross conditioned floor area

      • gross lighted floor area

      • gross semi-heated floor area


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • 3. Definitions, Abbreviations and Acronyms

    • glazed wall system

    • historic

    • installed interior lighting power

    • lamp - compact fluorescent, fluorescent, general service, HID, incandescent, reflector

    • lighting, decorative

    • lighting, general


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • 3. Definitions, Abbreviations and Acronyms

    • lighting power allowance

      • interior

      • exterior

    • process energy

    • process load

    • rated R-value


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • 3. Definitions, Abbreviations and Acronyms

    • roof

      • attic and other

      • metal building

      • insulation entirely above deck

      • single rafter roof

    • roof area, gross

    • service water heating


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • 3. Definitions, Abbreviations and Acronyms

    • shading coefficient

    • site recovered energy

    • site solar energy

    • slab on grade

      • heated

      • unheated

    • solar heat gain coefficient


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • 3. Definitions, Abbreviations and Acronyms

    • space

      • conditioned

        • cooled

        • heated

        • indirectly conditioned

      • semi-heated

      • unconditioned

    • space conditioning category


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • 3. Definitions, Abbreviations and Acronyms

    • story

    • wall

      • above grade

      • below grade

      • mass

      • metal building


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • 3. Definitions, Abbreviations and Acronyms

    • wall (continued)

      • steel framed

      • wood framed

    • wall area

    • zone


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • 3. Definitions, Abbreviations and Acronyms

    • CDD, CDD50

    • ci

    • ENVSTD

    • HDD, HDD65

    • NAGDM

    • NFRC

    • R, Rc, Ru


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • 3. Definitions, Abbreviations and Acronyms

    • SHGC

    • VLT


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 5 - Building Envelope

    • 5.1 General

    • 5.2 Mandatory Provisions

    • 5.3 Prescriptive Building Envelope Option

    • 5.4 Building Envelope Trade-Off Option

    • 5.5 Mandatory Provisions


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 5.1 Building Envelope

    • General

      • Scope

        • exceptions

        • moisture control

      • Compliance

      • Climate, Location

      • Space Conditioning Category


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 5.2 Building Envelope

    • Mandatory Provisions

      • Insulation

      • Air Leakage


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 5.3 Building Envelope

    • Prescriptive Building Envelope Option

      • Table 5.3

      • Opaque Areas

      • Insulation

        • Roof

        • Above Grade and Below Grade

        • Floor and Slab on Grade



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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 5.3 Building Envelope

    • Prescriptive Building Envelope Option

      • Fenestration

        • area

        • U factor

        • SHGC

        • VLT


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 5.4 Building Envelope

    • Building Envelope Trade-Off Option

      • Normative Appendix C

      • ASHRAE 90.1-2001 Users Manual

      • ENVSTD Software


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 5.5 Building Envelope

    • Mandatory Provisions

      • Insulation

        • Installation

        • Substantial Contact

        • Recessed Equipment

        • Roof Insulation

        • Protection


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 5.5 Building Envelope

    • Mandatory Provisions

      • Fenestration and Doors - NFRC and NAGDM

        • U factor

          • Appendix A

        • SHGC

          • SC x 0.86

        • VLT


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 5.5 Building Envelope

    • Mandatory Provisions

      • Air Leakage

        • Building Envelope Sealing

        • Fenestration and Doors

        • Loading Dock Weatherseals

        • Vestibules

          • exceptions


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 5.5 Building Envelope

    • Documentation



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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6 - HVAC

    • 6.1 General

    • 6.2 Mandatory Provisions

    • 6.3 Prescriptive Path


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.1 - HVAC

    • General

      • Scope

      • Compliance

        • 6.1.3 Simplified Approach

        • Mandatory plus Prescriptive

        • Mandatory plus Energy Cost Budget (Section 11) Method

      • Simplified Approach Option


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.1.3 - HVAC

    • Simplified Approach Option

      • < 25,000 SF and not greater than 2 stories

      • single zone systems

      • unitary air-cooled or evaporatively cooled

      • meet 6.2 efficiency requirements

      • economizer and relief

        • Table 6.3 efficiency exemption

        • “prevent overpressurization”


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.1.3 - HVAC

    • Simplified Approach Option (continued)

      • over 3,000 CFM OSA or over 70% OSA requires heat recovery

      • manual changeover or dual setpoint thermostat

      • controls for heat pump auxiliary heaters

      • no reheat or other simultaneous operation


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.1.3 - HVAC

    • Simplified Approach Option (continued)

      • time of day control

        • 7 different day schedules, manual override

        • 55F setback and 90F setup

        • 10 hour carryover

      • time of day control exceptions

        • hotel/motel guest rooms

        • systems requiring continuous operation

        • systems under 65,000 btuh cooling


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.1.3 - HVAC

    • Simplified Approach Option (continued)

      • piping insulation meets 6.2.4.1.3

      • outdoor piping insulation protection

      • duct insulation meets 6.2.4.2 and 6.2.4.3

      • air balance to ± 10% of design

      • no simultaneous operation of heating and cooling

      • Exhausts over 300 CFM equipped with dampers

      • Systems over 10,000 CFM have optimum start



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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.2 - HVAC

    • Mandatory Provisions

      • Equipment Efficiencies

        • Tables 6.2.1A through 6.2.1G

      • Load Calculations


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.2 - HVAC

    • Mandatory Provisions

      • Controls

        • Zone Thermostatic Controls

          • thermostat required for each zone

          • 5° F deadband

          • setpoint overlap restriction


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.2 - HVAC

    • Mandatory Provisions

      • Controls (continued)

        • Off Hour Controls

          • Automatic Shutdown

          • Setback Controls

          • Optimum Start

          • Zone Isolation


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.2 - HVAC

    • Mandatory Provisions

      • Controls (continued)

        • Ventilation System Controls

          • Stair and Elevator Shaft Vents

          • Gravity Hoods, Vents, and Ventilators

          • Shutoff Damper Controls

          • Dampers


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.2 - HVAC

    • Mandatory Provisions

      • Controls (continued)

        • Heat Pump Auxiliary Heat

        • Humidifier Preheat

        • Humidification and Dehumidification

        • Freeze Protection and Snow Melting Systems

        • Ventilation Controls for High Occupancy Areas


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.2 - HVAC

    • Mandatory Provisions

      • Insulation

        • General

          • Exposed to Weather

          • Vapor Retardant

        • Duct and Plenum Insulation

          • Exceptions

        • Piping Insulation

          • Exceptions


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.2 - HVAC

    • Mandatory Provisions

      • Duct and Plenum Leakage

        • Duct Sealing

        • Duct Leakage Tests


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.2 - HVAC

    • Mandatory Provisions

      • Completion Requirements

        • Drawings

        • Manuals

        • System Balancing

          • NEBB, AABC, ASHRAE 111-1988

          • Air Systems

          • Hydronic Systems

        • System Commissioning


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.3 - HVAC

    • Prescriptive Path

      • Economizers

        • Exceptions

      • Air Economizers

        • Design Capacity

        • Control Signal

        • High Limit Shutoff

        • Dampers

        • Relief of Excess Outside Air


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.3 - HVAC

    • Prescriptive Path

      • Water Economizers

        • Design Capacity (50 F db, 45 F wb)

        • Maximum Pressure Drop

        • Integrated Economizer Control

          • exceptions

        • Economizer Heating System Impact


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.3 - HVAC

    • Prescriptive Path

      • Simultaneous Heating and Cooling Limitation

        • Zone Controls

          • exceptions

        • Hydronic System Controls

          • Three Pipe System

          • Two Pipe Changeover System

          • Hydronic (Water Loop) Heat Pump System


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.3 - HVAC

    • Prescriptive Path

      • Simultaneous Heating and Cooling Limitation (cont)

        • Dehumidification

          • exceptions

        • Humidification


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.3 - HVAC

    • Prescriptive Path

      • Air System Design and Control

        • Fan Power Limitation

        • Variable Air Volume Systems

          • Part Load Fan Power Limitation

          • Static Pressure Sensor Location

          • Set Point Reset


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.3 - HVAC

    • Prescriptive Path

      • Hydronic System Design and Control

        • Hydronic Variable Flow Systems

          • exceptions

        • Pump Isolation

        • Chilled and Hot Water Reset Controls

          • exceptions

        • Hydronic (Water Loop) Heat Pump Systems


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.3 - HVAC

    • Prescriptive Path

      • Heat Rejection Equipment

        • General

        • Fan Speed Control

          • Exceptions


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.3 - HVAC

    • Prescriptive Path

      • Energy Recovery

        • Exhaust Air Energy Recovery

          • Exceptions

        • Heat Recovery for Service Water Heating

          • Exceptions


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.3 - HVAC

    • Prescriptive Path

      • Exhaust Hoods

        • Kitchen Hoods

          • Exceptions

        • Fume Hoods

      • Radiant Heating Systems

        • Heating Unenclosed Spaces

        • Heating Enclosed Spaces


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 6.3 - HVAC

    • Prescriptive Path

      • Hot Gas Bypass Limitation

        • exception




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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 7 - Service Water Heating

    • 7.1 General

    • 7.2 Mandatory Provisions

    • 7.3 Prescriptive Path


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 7.1 - Service Water Heating

    • General

      • Scope

      • Compliance

        • Mandatory plus Prescriptive

        • Mandatory plus Energy Cost Budget


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 7.1 - Service Water Heating

    • Mandatory Provisions

      • Load Calculation

      • Equipment Efficiency

        • Exception


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 7.2 - Service Water Heating

    • Mandatory Provisions

      • Service Water Heating Controls

        • Temperature Controls

        • Temperature Maintenance Controls

        • Outlet temperature Controls

        • Circulating Pump Controls


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 7.2 - Service Water Heating

    • Mandatory Provisions

      • Pools

        • Pool Heaters

        • Pool Covers

          • exception

        • Time Switches

      • Heat Traps


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 7.3 - Service Water Heating

    • Prescriptive Path

      • Space Heating and Water Heating

      • Service Water Heating Equipment



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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 9 - Lighting

    • 9.1 General

    • 9.2 Mandatory Provisions

    • 9.3 Prescriptive Path


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 9.1 - Lighting

    • General

      • exceptions


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 9.2 - Lighting

    • Mandatory Provisions

      • Lighting Control

        • Automatic Lighting Shutoff

          • exception

        • Space Control

          • exception

        • Exterior Lighting Control

          • exception


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 9.2 - Lighting

    • Mandatory Provisions

      • Lighting Control (continued)

        • Additional Control

      • Tandem Wiring

        • exceptions

      • Exit Signs


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 9.2 - Lighting

    • Mandatory Provisions

      • Installed Interior Lighting Power

        • exception

      • Luminaire Wattage

      • Exterior Building Grounds Lighting


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 9.3 - Lighting

    • Prescriptive Path

      • Interior Lighting Power

        • exceptions

        • Building Area Method

        • Space by Space Method

          • Additional Lighting Power

      • Exterior Lighting Power

        • exceptions



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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 11 - Energy Cost Budget Method

    • 11.1 General

    • 11.2 Simulation General Requirements

    • 11.3 Calculation of the Design Energy Cost

    • 11.4 Calculation of the Energy Cost Budget

    • 11.5 Exceptional Calculation Methods


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 11.1 - Energy Cost Budget Method

    • General

      • Scope

      • Compliance

      • Trade-Offs Limited to Building Permit

      • Envelope Limitation

      • Documentation


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 11.2 - Energy Cost Budget Method

    • Simulation General Requirements

      • Simulation Program

      • Climatic Data

      • Purchased Energy rates

      • Compliance Calculations


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 11.3 - Energy Cost Budget Method

    • Calculation of the Design Energy Cost

      • Proposed Design Model

      • Space Use Classification

      • Buildings with Incomplete Energy System Designs

      • Requirement for Both Heating and Cooling

      • HVAC Systems

      • Building Envelope


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 11.3 - Energy Cost Budget Method

    • Calculation of the Design Energy Cost (cont)

      • Service Hot Water Systems

      • Lighting

      • Other systems

      • Further Modeling Limitations and exceptions

      • Schedules

      • Thermal Blocks


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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Section 11.4 - Energy Cost Budget Method

    • Calculation of the Energy Cost Budget

      • Budget Building Design

      • Building Envelope

      • HVAC Systems

      • Service Hot Water Systems

      • Lighting

      • Other Systems



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ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  • Summary of Compliance

    • Mandatory must be done

    • The envelope must pass without help from mechanical or electrical

    • Prescriptive has many requirements, but guarantees compliance

    • The ECB method uses lots of design time, but allows much more design flexibility



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