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ASHRAE 90.1-2001

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

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  1. ASHRAE 90.1-2001 Arkansas Energy Code 2004 Compliance

  2. 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.”

  3. 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

  4. 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

  5. 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

  6. 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

  7. 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

  8. 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

  9. 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

  10. 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

  11. 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

  12. ASHRAE 90.1-2001 and Arkansas Energy Code 2004 • 3. Definitions, Abbreviations and Acronyms • story • wall • above grade • below grade • mass • metal building

  13. ASHRAE 90.1-2001 and Arkansas Energy Code 2004 • 3. Definitions, Abbreviations and Acronyms • wall (continued) • steel framed • wood framed • wall area • zone

  14. 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

  15. ASHRAE 90.1-2001 and Arkansas Energy Code 2004 • 3. Definitions, Abbreviations and Acronyms • SHGC • VLT

  16. 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

  17. 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

  18. ASHRAE 90.1-2001 and Arkansas Energy Code 2004 • Section 5.2 Building Envelope • Mandatory Provisions • Insulation • Air Leakage

  19. 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

  20. ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  21. ASHRAE 90.1-2001 and Arkansas Energy Code 2004 • Section 5.3 Building Envelope • Prescriptive Building Envelope Option • Fenestration • area • U factor • SHGC • VLT

  22. 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

  23. 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

  24. 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

  25. 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

  26. ASHRAE 90.1-2001 and Arkansas Energy Code 2004 • Section 5.5 Building Envelope • Documentation

  27. ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  28. ASHRAE 90.1-2001 and Arkansas Energy Code 2004 • Section 6 - HVAC • 6.1 General • 6.2 Mandatory Provisions • 6.3 Prescriptive Path

  29. 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

  30. 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”

  31. 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

  32. 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

  33. 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

  34. ASHRAE 90.1-2001 and Arkansas Energy Code 2004

  35. 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

  36. 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

  37. 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

  38. 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

  39. 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

  40. 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

  41. ASHRAE 90.1-2001 and Arkansas Energy Code 2004 • Section 6.2 - HVAC • Mandatory Provisions • Duct and Plenum Leakage • Duct Sealing • Duct Leakage Tests

  42. 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

  43. 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

  44. 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

  45. 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

  46. ASHRAE 90.1-2001 and Arkansas Energy Code 2004 • Section 6.3 - HVAC • Prescriptive Path • Simultaneous Heating and Cooling Limitation (cont) • Dehumidification • exceptions • Humidification

  47. 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

  48. 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

  49. ASHRAE 90.1-2001 and Arkansas Energy Code 2004 • Section 6.3 - HVAC • Prescriptive Path • Heat Rejection Equipment • General • Fan Speed Control • Exceptions

  50. 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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