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ASHRAE UserManual 90.1 2019

ASHRAE UserManual 90.1 2019

$79.63

ASHRAE Standard 90.1 User’s Manual (Based On ANSI/ASHRAE/IES Standard 90.1-2019)

Published By Publication Date Number of Pages
ASHRAE 2019 462
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ANSI/ASHRAE/IES Standard 90.1, Energy Standard for Buildings Except Low-Rise Residential Buildings, has been a benchmark for commercial building energy codes in the United States and a key basis for codes and standards around the world for more than 40 years. The standard provides the minimum requirements for energy-efficient design of most buildings, except low-rise residential buildings. It is an indispensable reference for engineers and other professionals involved in design of buildings and building systems.Because the standard is written in mandatory language and therefore not intended as a design specification or an instruction manual, this User

PDF Catalog

PDF Pages PDF Title
1 Standard 90.1 User’s Manual
5 Contents
Contents
10 Preface
General Information
Addenda
Official Interpretations of the Standard
Standard 90.1 Organization
Numbering System
12 Organization and Use of Standard 90.1 User’s Manual
I-P and SI units
Resources, Data, and Analysis Tools
14 Acknowledgments
15 1. Purpose
Overview
16 2. Scope
Authority of Standard 90.1
Scope of the Standard
18 3. Definitions, Abbreviations, and Acronyms
Definitions
Abbreviations and Acronyms
21 4. Administration and Enforcement
Scope and Compliance (4.1 and 4.2)
22 New Buildings (4.1.1.1 and 4.2.1.1)
Existing Buildings (4.1.1.2, 4.1.1.3, 4.1.1.4, 4.2.1.2, and 4.2.1.3)
Additions (4.1.1.2 and 4.2.1.2)
23 Alterations (4.1.1.3 and 4.2.1.3)
24 Building Alterations—Exceptions and Explanations
Changes in Space Conditioning (4.1.1.5)
Administrative Requirements (4.1.2)
Alternative Materials, Construction Methods, or Design (4.1.3)
Validity (4.1.4)
Conflicts with Other Laws (4.1.5)
Referenced Standards (4.1.6)
25 Normative Appendices (4.1.7)
26 Informative Appendices (4.1.8)
Compliance Documentation (4.2.2)
Operation and Maintenance Manuals (4.2.2.3)
Labeling of Materials and Equipment (4.2.3)
27 Inspections (4.2.4)
 Verification and Commissioning Reporting (4.2.5)
 Building Systems Verification and Testing Requirements (4.2.5.1)
28  Information on Building Permit Application (4.2.5.1.1)
 FPT and Verification Documentation (4.2.5.1.2)
 Building Commissioning Requirements (4.2.5.2)
29  Commissioning Activities Prior to Building Permit Issuance (4.2.5.2.1)
 Project Commissioning Documents (4.2.5.2.2)
30  Activities Prior to Building Occupancy (4.2.5.2.3)
31 5. Envelope
General Information (5.1)
Scope (5.1.1)
Space-Conditioning Categories (5.1.2)
Residential and Nonresidential Spaces
33 Space Classifications
36 Understanding Exterior and Semi-Exterior Building Envelope Components
Shell Buildings (5.1.2.3)
37 Alteration of Existing Buildings (5.1.3)
38 Climate Zones (5.1.4)
40 Compliance Methods (5.2)
 Requirements for All Compliance Paths (5.2.1)
41 Prescriptive Building Envelope Compliance Path
Building Envelope Trade-Off Compliance Path
42 Energy Cost Budget Method and Building Performance Rating Method
Compliance Forms
Mandatory Provisions (5.4)
Insulation (5.4.1)
43 Steady-State Heat Flow: Understanding U-Factor and R-Value
U-Factor
R-Value
Heat Transfer in Construction Assemblies
44 Fenestration and Doors (5.4.2)
 Air Leakage (5.4.3)
 Continuous Air Barrier (5.4.3.1)
45  Whole Building Air Leakage (5.4.3.1.1)
Continuous Air Barrier Design (5.4.3.1.2)
46 Loading Dock Weatherseals (5.4.3.2)
Vestibules and Revolving Doors (5.4.3.3)
48 Prescriptive Compliance Path (5.5)
Using the Criteria Tables (5.5.1 and 5.5.2)
49 Opaque Areas (5.5.3)
54 Area-Weighted Averaging
55 Roof Insulation and Roof Construction Classes (5.5.3.1 and A2)
Insulation Entirely above Deck
56 R-value Criteria
U-factor Criteria
Metal Building Roofs
57 R-value Criteria
U-factor Criteria
58 Attics and Other Roofs
60 Cool Roofs (5.5.3.1.1)
62 Above-Grade Wall Insulation (5.5.3.2 and A3)
Mass Walls
63 R-value Criteria
65 U-factor Criteria
66 Metal Building Walls
68 Detailed metal building wall descriptions are provided in Section A3.2.2. R-value Criteria
U-factor Criteria
Steel-Framed Walls
R-value Criteria
69 U-factor Criteria
71 Wood-Framed and Other Walls
R-value Criteria
U-factor Criteria
72 Below-Grade Wall Insulation (5.5.3.3 and A4)
R-value Criteria
75 C-factor Criteria
77 Floor Insulation (5.5.3.4 and A5)
Mass Floors
R-value Criteria
U-factor Criteria
79 Steel-Joist Floors
R-value Criteria
U-factor Criteria
Wood-Framed and Other Floors
R-value Criteria
U-factor Criteria
83 Slab-on-Grade Floor Insulation (5.5.3.5 and A.6)
84 Opaque Doors (5.5.3.6 and A.7)
85 Required Procedures for Determining Alternate Assembly U-factors, C-factors, F-factors, and Heat Capacities (Section A9)
87 Testing
Series Calculation Method
Parallel Path Calculation Method
88 Isothermal Planes Calculation Method
89 Modified Zone Calculation Method
Section A9.4.6 Calculation Method
Two- or Three-Dimensional Finite Difference and Finite Volume Computer Models
Fenestration (5.5.4)
90 Vertical Fenestration Classes of Construction
Skylights
Fenestration Area (5.5.4.2)
Vertical Fenestration Area (5.5.4.2.1)
91 Skylight Area (5.5.4.2.2)
Skylight Minimum Area (5.5.4.2.3)
97 Fenestration U-factor (5.5.4.3)
Vertical Fenestration U-Factor
98 Skylight U-Factor
Fenestration Solar Heat Gain Coefficient (5.5.4.4)
SHGC of Vertical Fenestration (5.5.4.4.1)
101 Opaque Permanent Projections (Exception 1 to 5.5.4.4.1)
104 Partially Opaque Permanent Projections (Exception 2 to 5.5.4.4.1)
106 Vertical Fenestration on the Street Side of the Street-Level Story in Nonresidential Spaces (Exception 3 to 5.5.4.4.1)
107 Dynamic Glazing (5.5.4.4.1, Exception 4)
SHGC of North-Oriented Vertical Fenestration (5.5.4.4.1, exception 5)
108 SHGC of Skylights (5.5.4.4.2)
Fenestration Orientation (5.5.4.5)
109 Visible Transmittance/SHGC Ratio (5.5.4.6)
112 Building Envelope Trade-Off Option (5.6)
113 Simulation Method
Daylighting Potential
Limits of the Building Envelope Trade-off Compliance Path
114  Submittals (5.7)
 Permit Application Documentation (5.7.2)
115  Completion Requirements (5.7.3)
Product Information and Installation Requirements (5.8)
Insulation (5.8.1)
Labeling (5.8.1.1)
Manufacturers’ Installation Requirements (5.8.1.2)
116 Loose-Fill Insulation (5.8.1.3)
Baffles (5.8.1.4)
117 Substantial Contact (5.8.1.5)
Recessed Equipment (5.8.1.6)
Insulation Protection (5.8.1.7)
118 Insulation above Suspended Ceilings (5.8.1.8)
Extent of Insulation (5.8.1.9)
Staggering Joints for Rigid Insulation (5.8.1.10)
 Insulation Installation Documentation (5.8.1.11)
Fenestration and Doors (5.8.2)
Rating and Labeling (5.8.2.1 and 5.8.2.2)
119 U-Factor (5.8.2.3)
120 Solar Heat Gain Coefficient (5.8.2.4)
Visible Transmittance (5.8.2.5)
121 Air Leakage (5.8.3)
 Testing, Acceptable Materials, and Assemblies (5.8.3.1)
122  Fenestration and Doors (5.8.3.2)
Verification, Testing, Commissioning and Inspection (5.9)
Verification and Testing (5.9.1)
 Commissioning (5.9.2)
123 Inspections (5.9.3)
124 6. HVAC Systems
General Information (6.1)
Scope (6.1.1)
125 Compliance Paths (6.2)
Compliance Forms
Simplified Approach Building Compliance Path (Section 6.3)
Prescriptive Compliance Path (Section 6.5)
Alternative Compliance Path (Section 6.6)
126 Energy Cost Budget Method (Section 11)
Performance Rating Method (Appendix G)
Simplified Approach Building Compliance Path (6.3)
Scope (6.3.1)
Criteria (6.3.2)
Single Zone (6.3.2(a))
127 Variable Fan Airflow (6.3.2(b))
Cooling Efficiency (6.3.2(c))
Economizers (6.3.2(d))
Heating (6.3.2(e))
Exhaust Air Energy Recovery (6.3.2(f))
128 Thermostat (6.3.2(g))
Heat Pump Auxiliary Heat Control (6.3.2(h))
Reheat for Humidity Control (6.3.2(i))
Off-Hour Shutoff and Setback (6.3.2(j))
Hotel/Motel Guest Rooms (6.3.2(k))
Piping Insulation (6.3.2(l))
129 Ductwork Insulation (6.3.2(m))
Air Balancing (6.3.2(n))
Outdoor Air Intake and Exhaust Systems (6.3.2(o))
Simultaneous Heating and Cooling (6.3.2(p))
Optimum Start (6.3.2(q))
Ventilation Requirements (6.3.2(r))
130 Door Switches (6.3.2(s))
133 Mandatory Provisions (6.4)
Mechanical Equipment Efficiency (6.4.1)
Minimum Equipment Efficiencies—Standard Rating and Operating Conditions (6.4.1.1)
134 Additional Requirements for Furnaces (footnote f to Table 6.8.1-5)
Minimum Equipment Efficiencies—Nonstandard Conditions (6.4.1.2)
Requirements for Water-Cooled Centrifugal Chilling Packages (6.4.1.2.1)
135 Requirements for Positive Displacement Chilling Packages (6.4.1.2.2)
136 Multiple Chillers
137  Ceiling Fans (6.4.1.3)
Equipment Not Listed (6.4.1.4)
Verification of Equipment Efficiencies (6.4.1.5)
138 Notes Applying to the Equipment Efficiencies Given in Tables 6.8.1-1 through 6.8.1-20
142 Calculations (6.4.2)
Load Calculations (6.4.2.1)
143 Pump Head Calculations (6.4.2.2)
Controls and Diagnostics (6.4.3)
Zone Thermostatic Controls (6.4.3.1)
Independent Perimeter Systems (Exceptions to 6.4.3.1.1)
145 Deadband Controls (6.4.3.1.2)
146 Exceptions to 6.4.3.1.2
148 Setpoint Overlap Restriction (6.4.3.2)
149 Off-Hour Controls (6.4.3.3)
Exceptions to 6.4.3.3
Automatic Shutdown (6.4.3.3.1)
150 Setback Controls (6.4.3.3.2)
Heating Setback Controls Exception
151 Optimum Start Controls (6.4.3.3.3)
Zone Isolation (6.4.3.3.4)
155 Exceptions to 6.4.3.3.4
Automatic Control of HVAC in Hotel/Motel Guest Rooms (6.4.3.3.5)
156 Ventilation System Controls (6.4.3.4)
Stair and Shaft Vents (6.4.3.4.1)
Shutoff Damper Controls (6.4.3.4.2)
157 Damper Leakage (6.4.3.4.3)
158 Ventilation Fan Controls (6.4.3.4.4)
Enclosed Parking Garage Ventilation (6.4.3.4.5)
Heat Pump Auxiliary Heat (6.4.3.5)
160 Humidification and Dehumidification Control (6.4.3.6)
161 Freeze Protection and Snow/Ice-Melting Systems (6.4.3.7)
162 Ventilation Controls for High-Occupancy Areas (6.4.3.8)
163 Heated or Cooled Vestibules (6.4.3.9)
Direct Digital Control Requirements (6.4.3.10)
164 Chilled-Water Plant Monitoring (6.4.3.11)
165 Economizer Fault Detection and Diagnostics (6.4.3.12)
HVACR System Construction and Insulation (6.4.4)
Insulation (6.4.4.1)
Installation of Piping and Ductwork Insulation (6.4.4.1.1)
Duct and Plenum Insulation (6.4.4.1.2)
166 Exceptions to 6.4.4.1.2
170 Piping Insulation (6.4.4.1.3)
Exceptions to 6.4.4.1.3
Sensible Heat Panel Insulation (6.4.4.1.4)
Radiant Floor Heating Insulation (6.4.4.1.5)
172 Ductwork and Plenum Leakage (6.4.4.2)
Duct Sealing (6.4.4.2.1)
173 Duct Leakage Tests (6.4.4.2.2)
174 Walk-in Coolers and Freezers (6.4.5)
175 Refrigerated Display Case (6.4.6)
176  Liquid-to-Liquid Heat Exchangers (6.4.7)
Prescriptive Compliance Path (6.5)
Economizers (6.5.1)
Exceptions to the Economizer Requirement
180 Air Economizers (6.5.1.1)
181 Design Capacity (6.5.1.1.1).
Economizer Control Signal (6.5.1.1.2)
183 High-Limit Shutoff (6.5.1.1.3)
184 Damper Leakage (6.5.1.1.4)
Economizer Relief (6.5.1.1.5)
185 Air-Side Sensor Accuracy (6.5.1.1.6)
Fluid Economizers (6.5.1.2)
Design Capacity (6.5.1.2.1)
186 Maximum Pressure Drop (6.5.1.2.2)
Economizer Integration (6.5.1.3)
190 Economizer Heating System Impact (6.5.1.4)
191 Economizer Humidification System Impact (6.5.1.5)
Simultaneous Heating and Cooling Limitation (6.5.2)
Zone Controls for Simultaneous Heating and Cooling (6.5.2.1)
192 Variable-Air-Volume Systems (Exceptions 1 and 2 to 6.5.2.1)
196 Example VAV Reheat Control Sequences
200 Laboratory Exhaust Systems (Exception 3 to 6.5.2.1)
Simultaneous Heating and Cooling in Hydronic Systems (6.5.2.2)
Three-Pipe System (6.5.2.2.1)
Two-Pipe Changeover System (6.5.2.2.2)
201 Hydronic (Water Loop) Heat Pump Systems (6.5.2.2.3)
202 Simultaneous Heating and Cooling in Dehumidification Systems (6.5.2.3)
Exceptions to 6.5.2.3
203 Humidification Systems (6.5.2.4)
Preheating Jackets (6.5.2.4.1)
Insulated Dispersion Tubes (6.5.2.4.2)
204 Preheat Coils (6.5.2.5)
Ventilation Air Heating Control (6.5.2.6)
Air System Design and Control (6.5.3)
212 Fan Power and Efficiency (6.5.3.1)
Option 1
Option 2
214 Exceptions to 6.5.3.1.1
215 Pressure Drop Adjustment Devices
217 Fan Motor Selection (6.5.3.1.2)
 Fan Efficiency (6.5.3.1.3)
218 Exceptions to 6.5.3.1.3
219 Additional Fan Energy Index Resources
220 Fan Control (6.5.3.2)
Supply Fan Airflow Control (6.5.3.2.1)
222 VAV Static Pressure Sensor Location (6.5.3.2.2)
VAV Static Pressure Setpoint Reset (6.5.3.2.3)
223 Return and Relief Fan Control (6.5.3.2.4)
224 Multiple-Zone VAV System Ventilation Optimization Control (6.5.3.3)
Parallel-Flow Fan-Powered VAV Air Terminal Control (6.5.3.4)
Supply Air Temperature Reset Controls (6.5.3.5)
225  Dehumidification Control Interaction (6.5.3.5.1)
226 Fractional Horsepower (Kilowatt) Fan Motors (6.5.3.6)
Ventilation Design (6.5.3.7)
 Occupied Standby Controls (6.5.3.8)
227 Hydronic System Design and Control (6.5.4)
Boiler Turndown (6.5.4.1)
228 Hydronic Variable-Flow Systems (6.5.4.2)
231 Chiller and Boiler Isolation (6.5.4.3)
232 Chilled- and Hot-Water Temperature Reset Controls (6.5.4.4)
234 Hydronic (Water-Loop) Heat Pumps and Water-Cooled Unitary Air-Conditioning Systems (6.5.4.5)
Variable Flow (6.5.4.5.1)
Pump Controls (6.5.4.5.2)
Pipe Sizing (6.5.4.6)
Exceptions to 6.5.4.6
236 Chilled-Water Coil Selection (6.5.4.7)
Heat Rejection Equipment (6.5.5)
General (6.5.5.1)
Fan Speed Control (6.5.5.2)
General Speed Control Requirements (6.5.5.2.1)
Fan Speed Control Requirements for Multiple-Cell Heat Rejection Equipment (6.5.5.2.2)
237 Limits on Centrifugal Fan Open-Circuit Cooling Towers (6.5.5.3)
Open-Circuit Cooling Tower Flow Turndown (6.5.5.4)
238 Energy Recovery (6.5.6)
Exhaust Air Energy Recovery (6.5.6.1)
239 Exceptions to 6.5.6.1.2
240 Heat Recovery for Service Water Heating (6.5.6.2)
243  Heat Recovery for Space Conditioning (6.5.6.3)
244 Exhaust Hoods (6.5.7)
Transfer Air (6.5.7.1)
Kitchen Hoods (6.5.7.2)
Limitation on Makeup Air in Hoods (6.5.7.2.1)
245 Limitation on Hood Exhaust (6.5.7.2.2)
Demand Ventilation Systems (6.5.7.2.3)
Laboratory Exhaust Systems (6.5.7.3)
247 Radiant Heating Systems (6.5.8)
Heating Unenclosed Spaces (6.5.8.1)
Heating Enclosed Spaces (6.5.8.2)
248 Hot-Gas Bypass Limitation (6.5.9)
Door Switches (6.5.10)
Refrigeration Systems (6.5.11)
Condensers (6.5.11.1)
249 Compressor Systems (6.5.11.2)
 Alternative Compliance Path (6.6)
Computer Room Systems (6.6.1)
250 Submittals (6.7)
Completion Requirements (6.7.3)
Record Documents (6.7.3.1)
O&M Manuals (6.7.3.2)
252 System Balancing (6.7.3.3)
General (6.7.3.3.1)
Air System Balancing (6.7.3.3.2)
253 Hydronic System Balancing (6.7.3.3.3)
254 Minimum Equipment Efficiency Tables (6.8)
255 Table 6.8.1-1—Electrically Operated Unitary Air Conditioners and Condensing Units
Table 6.8.1-2—Electrically Operated Unitary and Applied Heat Pumps
256 Table 6.8.1-3—Water-Chilling Packages
Table 6.8.1-4—Electrically Operated Packaged Terminal Air Conditioners, Packaged Terminal Heat Pumps, Single-Package Vertical Air Conditioners, Single-Package Vertical Heat Pumps, Room Air Conditioners, and Room Air-Conditioner Heat Pumps
257 Table 6.8.1-5—Warm-Air Furnaces and Combination Warm-Air Furnaces/Air-Conditioning Units, Warm-Air Duct Furnaces, and Unit Heaters
Table 6.8.1-6—Gas- and Oil-Fired Boilers—Minimum Efficiency Requirements
Table 6.8.1-7—Performance Requirements for Heat Rejection Equipment
258 Table 6.8.1-8—Electrically Operated Variable-Refrigerant-Flow Air Conditioners
Table 6.8.1-9—Electrically Operated Variable-Refrigerant-Flow Air-to-Air and Applied Heat Pumps
Table 6.8.1-10—Air Conditioners and Condensing Units Serving Computer Rooms
Table 6.8.1-11—Commercial Refrigerators, Commercial Freezers, and Refrigeration
259 Table 6.8.1-12—Vapor Compression Based Indoor Pool Dehumidifiers
 Table 6.8.1-13— Electrically Operated DX-DOAS Units, Single-Package and Remote Condenser, without Energy Recovery
 Table 6.8.1-14— Electrically Operated DX-DOAS Units, Single-Package and Remote Condenser, with Energy Recovery
 Table 6.8.1-15— Electrically Operated Water-Source Heat Pumps
 Table 6.8.1-16— Heat-Pump and Heat Recovery Chiller Packages
 Table 6.8.1-17— Ceiling-Mounted Computer-Room Air Conditioners
260  Table 6.8.1-18— Walk-In Cooler and Freezer Display Door
 Table 6.8.1-19— Walk-In Cooler and Freezer Nondisplay Door
 Table 6.8.1-20— Walk-In Cooler and Freezer Refrigeration System
 Verification, Testing, and Commissioning (6.9)
261 7. Service Water Heating
General Information (7.1)
Scope (7.1.1)
 Compliance Paths (7.2)
262 Compliance Forms
Mandatory Provisions (7.4)
System Sizing/Load Calculations (7.4.1)
Equipment Efficiency (7.4.2)
267 Piping Insulation (7.4.3)
269 Controls (7.4.4)
Temperature Controls (7.4.4.1)
270 Temperature Maintenance Controls (7.4.4.2)
Outlet Temperature Controls (7.4.4.3)
Circulating Pump Controls (7.4.4.4)
271 Swimming Pools (7.4.5)
Pool Heaters (7.4.5.1)
Pool Covers (7.4.5.2)
272 Time Switches (7.4.5.3)
Heat Traps (7.4.6)
274 Prescriptive Compliance Path (7.5)
Combination Space and Water Heating Systems (7.5.1)
275 Service Water Heating Equipment (7.5.2)
276 Buildings with High-Capacity Service Water Heating Systems (7.5.3)
Site Solar or Site-Recovered Energy (Exception 1 to 7.5.3)
277 Dwelling Unit Service Water Heating (Exception 2 to 7.5.3)
Individual Water Heater Input Capacity (Exception 3 to 7.5.3)
279  Submittals (7.7)
280  Product Information (7.8)
 Verification, Testing, and Commissioning (7.9)
281 8. Power
General Information (8.1)
Scope (8.1.1)
 Compliance Paths (8.2)
Mandatory Provisions (8.4)
282 Voltage Drop (8.4.1)
284 Automatic Receptacle Control (8.4.2)
285 Electrical Energy Monitoring (8.4.3)
287 Monitoring (8.4.3.1)
Recording and Reporting (8.4.3.2)
Example 8-G. Recording and Reporting
288 Low-Voltage Dry-Type Distribution Transformers (8.4.4)
Example 8-H. Transformers within Welding Equipment
 Alternative Compliance Path (8.6)
Submittals (8.7)
289 Record Documents (8.7.3.1)
Manuals (8.7.3.2)
 Verification, Testing, and Commissioning (8.9)
290 9. Lighting
General Information (9.1)
Scope (9.1.1)
291 Lighting Alterations (9.1.2)
Installed Lighting Power (9.1.3)
292 Interior and Exterior Luminaire Wattage (9.1.4)
Lighting Equipment Directly Connected to Line Voltage
Lighting Equipment with Remote Ballasts/Drivers
293 Line-Voltage Track Lighting
Low-Voltage Track Lighting
 Low-Voltage Direct Current (DC) Lighting with Remote Power Supply
Other
Compliance Paths (9.2)
294 Compliance Forms
Prescriptive Requirements (9.2.3)
Interior Lighting Power (9.2.3.1)
Exceptions to 9.2.3.1
295 Applying the Standard
297 Simplified Building Method Compliance Path (9.3)
Simplified Building Method of Calculating Interior Lighting Power Allowance (9.3.1)
299 Simplified Building Method of Calculating Exterior Lighting Power Allowance (9.3.2)
Mandatory Provisions (9.4)
Lighting Control (9.4.1)
Interior Lighting Controls. (9.4.1.1)
316 Parking Garage Lighting Controls (9.4.1.2)
317 Special Applications (9.4.1.3)
318 Exterior Lighting Control (9.4.1.4)
Exterior Building Lighting Power (9.4.2)
319 Exterior Lighting Zones (Table 9.4.2-1)
Determining Exterior Building Lighting Power Compliance
324 Dwelling Units (9.4.3)
Building Area Method (9.5)
325 Determining Interior Lighting Power Allowance Compliance
326 Space-by-Space Method (9.6)
329 Additional Interior Lighting Power (9.6.2)
Decorative Lighting (9.6.2(a))
331 Retail Display Lighting (9.6.2(b))
335 Additional Interior LPD Using Nonmandatory Controls (9.6.3)
336 Room Geometry Adjustment (9.6.4)
Additional Examples
341 Submittals (9.7)
General (9.7.1)
Permit Application Documentation (Not Used) (9.7.2)
Completion Requirements (9.7.3)
342 Product Information (9.8)
Verification, Testing, and Commissioning (9.9)
343 Commissioning (9.9.2)
344 10. Other Equipment
General Information (10.1)
Scope (10.1.1)
Mandatory Provisions (10.4)
Electric Motors (10.4.1)
345 Exceptions to 10.4.1
346 Service Water Pressure Booster Systems (10.4.2)
Elevators (10.4.3)
Lighting in Elevators (10.4.3.1)
347 Ventilation Power (10.4.3.2)
Controls for Standby Mode (10.4.3.3)
Design Documents (10.4.3.4)
Escalators and Moving Walks (10.4.4)
 Air Curtains (10.4.5)
Whole Building Energy Monitoring (10.4.6)
348 Recording and Reporting (10.4.6.2)
 Pumps (10.4.7)
 Submittals (10.7)
349 11. Energy Cost Budget Method
General Information (11.1)
350 Scope and Limitations (11.1.1, 11.1.2, and 11.1.3)
Special Cases for Partial Building Permit
Special Case for Additions
351 Special Case for Alterations
353  Compliance (11.2)
Intent and Limitations of the ECB Method
354 Simulation General Requirements (11.4)
Simulation Program’s Minimum Modeling Capabilities (11.4.1)
355  Testing of Simulation Program (11.4.1.4)
356 Climatic Data (11.4.2)
Renewable, Recovered, and Purchased Energy (11.4.3)
On-Site Renewable Energy and Site-Recovered Energy (11.4.3.1)
357 Annual Energy Costs (11.4.3.2)
358 Compliance Calculations (11.4.4)
Exceptional Calculation Methods (11.4.5)
Calculating Design Energy Cost and the ECB (11.5)
359 Design Model (Table 11.5.1, No. 1)
360 Alterations and Additions (Table 11.5.1, No. 2)
Space Use Classifications (Table 11.5.1, No. 3)
361 Schedules (Table 11.5.1, No. 4)
362 Building Envelope (Table 11.5.1, No. 5)
Proposed Building Envelope
Budget Building Envelope
363 Opaque Assemblies
Roof Albedo
Fenestration
365 Lighting Systems (Table 11.5.1, No. 6)
Proposed Building Lighting Systems
Existing Lighting
Designed Lighting
No Specified Lighting
 Lighting in Dwelling units
Permanent and Portable Lighting
Mandatory Lighting Controls
366 Additional Lighting Controls
367 Budget Building Lighting Systems
Thermal Blocks—HVAC Zones Designed (Table 11.5.1, No. 7)
369 Thermal Blocks—HVAC Zones Not Designed (Table 11.5.1, No. 8)
370 Thermal Blocks—Multifamily Residential Buildings (Table 11.5.1, No. 9)
HVAC Systems (Table 11.5.1, No. 10, and Section 11.5.2)
Proposed Building HVAC Systems
371 Budget Building HVAC Systems
372 HVAC Systems Mapping (11.5.2)
Mixed-Fuel Heating Systems
374 Limited Trade-Offs (11.5.2(a))
Minimum Efficiencies (11.5.2(b))
375 Fan Energy (11.5.2(c))
378 Outdoor Air Ventilation (11.5.2(d))
379 Economizers (11.5.2(e))
Preheat Coils (11.5.2(f))
Design Supply Air Rates (11.5.2(g))
Fan System Efficiency (11.5.2(h))
380 Equipment Sizing (11.5.2(i) and 11.5.2(j))
Kitchen Exhaust (11.5.2(k))
381 Service Hot-Water Systems (Table 11.5.1, No. 11)
Proposed Building Service Hot Water Systems
Budget Building Service Hot Water Systems
Miscellaneous Loads (Table 11.5.1, No. 12)
Proposed Building Miscellaneous Loads
Budget Building Miscellaneous Loads
Refrigeration (Table 11.5.1, No. 13)
Proposed Building Refrigeration
382 Budget Building Refrigeration
Modeling Exceptions (Table 11.5.1, No. 14)
383 Application Examples
389 Documentation Requirements (11.7)
Summary (11.7(a))
Energy-Related Features (11.7(b))
Input/Output Reports (11.7(c))
390 Error Messages (11.7(d))
On-Site Renewable Energy (11.7(e))
 Completion Requirements (11.7.3)
Considerations for the Adopting Authority
Notes for Adopting Authorities (11.4.1 Note)
ECB Method Pros and Cons
User Sophistication
391 Enforcement Sophistication
Better Buildings
Aging of the Standard
Gamesmanship
Cheating
Innovation
392 Adoption Considerations
Approve Simulation Programs
Adopt a Compliance Supplement
Adopt a Compliance Shell
Approve Standard Compliance Forms
Approve Climate Data
393 Approve Purchased Energy Rates
394 G. Performance Rating Method
Scope (G1.1)
395 Performance Rating (G1.2)
Complying with Mandatory Provisions
Determining Compliance – No Renewable Energy Systems
396  Determining Compliance – With Renewable Energy Systems
398 Determining Percentage Improvement
Simulation Rules
399 Including All Energy Components
Understanding the Method’s Intent and Limitations
400  Documentation Requirements (G1.3)
Simulation General Requirements (G2)
Performance Calculations (G2.1)
Simulation Program (G2.2)
Minimum Modeling Capabilities (G2.2.1)
401 Proposed Building and Baseline Building Performance (G2.2.2)
Design Load Calculations (G2.2.3)
 Testing (G2.2.4)
402 Climatic Data (G2.3)
 Renewable, Recovered, and Purchased Energy (G2.4)
403 Exceptional Calculation Methods (G2.5)
Proposed and Baseline Performance (G3)
Building Performance Calculations (G3.1)
404 Design Model (Table G3.1, No. 1)
Additions and Alterations (Table G3.1, No. 2)
405 Space Use Classifications (Table G3.1, No. 3)
Schedules (Table G3.1, No.4)
406 Exceptions to Table G3.1, No.4
408 Building Envelope (Table G3.1, No.5)
Proposed Building Envelope
409 Uninsulated Assemblies
Minor Insulated Assemblies
411 Different Tilt or Azimuth
Reflective Roofs
Fenestration Shading Devices
Dynamic Glazing
412 Infiltration
Baseline Building Envelope
Orientation
413 Opaque Assemblies
Vertical Fenestration Areas
414 Vertical Fenestration Assemblies
416 Skylights
Solar Reflectance and Thermal Emittance
Lighting (Table G3.1, No. 6)
Proposed Building Lighting System
418 Baseline Building Lighting System
Baseline Building Exterior Lighting
419 Thermal Blocks—General Information
Thermal Blocks—HVAC Zones Designed (Table G3.1, No. 7)
420 Thermal Blocks—HVAC Zones Not Designed (Table G3.1, No. 8)
Thermal Blocks in Multifamily Residential Buildings (Table G3.1, No. 9)
421 HVAC Systems (Table G3.1, No. 10)
Proposed Building HVAC Systems
Equipment Efficiencies
423 Existing Systems
Complete HVAC System Design
Incomplete HVAC System Design, Heating-Only or Cooling-Only
425 Baseline Building HVAC Systems
Baseline HVAC System Type and Description (G3.1.1)
428 Purchased Heat (G3.1.1.1)
Purchased Chilled Water (G3.1.1.2)
Baseline HVAC System Requirements for Systems Utilizing Purchased Chilled Water and/or Purchased Heat (G3.1.1.3)
430 On-Site Distribution Pumps (G3.1.1.3.4)
Infiltration Methodology (G3.1.1.4)
431 General Baseline HVAC System Requirements (G3.1.2)
Equipment Efficiencies (G3.1.2.1)
432 Equipment Capacities (G3.1.2.2)
Unmet load hours (G3.1.2.3)
433 Fan System Operation (G3.1.2.4)
Ventilation (G3.1.2.5)
Economizers (G3.1.2.6)
434 Economizer High-Limit Shutoff (G3.1.2.7)
435 Design Airflow Rates (G3.1.2.8)
All Baseline System Types Except 9 and 10
Baseline System Types 9 and 10
436 System Fan Power (G3.1.2.9)
438 Exhaust Air Energy Recovery (G3.1.2.10)
System-Specific Baseline HVAC System Requirements (G3.1.3)
Heat Pumps—Systems 2 and 4 (G3.1.3.1)
Type and Number of Boilers—Systems 1, 5, 7, and 12 (G3.1.3.2)
Hot-Water Supply Temperature—Systems 1, 5, 7, and 12 (G3.1.3.3)
Hot-Water Supply Temperature Reset—Systems 1, 5, 7, and 12 (G3.1.3.4)
439 Hot-Water Pumps—Systems 1, 5, 7, and 12 (G3.1.3.5)
Piping Losses—Systems 1, 5, 7, 8, 11, 12, and 13 (G3.1.3.6)
440 Type and Number of Chillers—Systems 7, 8, 11, 12, and 13 (G3.1.3.7)
Chilled Water Design Supply Temperature—Systems 7, 8, 11, 12, and 13 (G3.1.3.8)
Chilled-Water Supply Temperature Reset—Systems 7, 8, 11, 12, and 13 (G3.1.3.9)
Chilled Water Pumps—Systems 7, 8, 11, 12, and 13 (G3.1.3.10)
441 Heat Rejection—Systems 7, 8, 11, 12, and 13 (G3.1.3.11)
Supply Air Temperature Reset—Systems 5 through 8 (G3.1.3.12)
VAV Minimum Flow Setpoints—Systems 5 and 7 (G3.1.3.13)
442 Fan-Powered Boxes—Systems 6 and 8 (G3.1.3.14)
VAV Fan Part-Load Performance—Systems 5 through 8 and 11 (G3.1.3.15)
Computer-Room Equipment Schedules (G3.1.3.16)
443 System 11 Supply Air Temperature and Fan Control (G3.1.3.17)
Systems 3 through 8 Dehumidification (G3.1.3.18)
Systems 5 through 8 Preheat Coils (G3.1.3.19)
Service Hot-Water Systems (Table G3.1, No. 11)
444 Proposed Building Service Hot-Water Systems
Baseline Building Service Hot-Water Systems
446 Receptacle and Other Loads (Table G3.1, No. 12)
Receptacle and Process Loads
447 Modeling Limitations to the Simulation Program (Table G3.1, No. 13)
448 Exterior Conditions (Table G3.1, No. 14)
Distribution Transformers (Table G3.1, No. 15)
Elevators (Table G3.1, No. 16)
449 Refrigeration (Table G3.1, No. 17)
Example Operating and Occupancy Schedules

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ASHRAE UserManual 90.1 2019
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