| Door Name | |
| Applicability | All doors, optional input |
|---|---|
| Definition | A unique name or code that relates the door to the design documents submitted. Doors that are more than 50% glass are treated as windows and must be entered by the user using the windows building descriptors. |
| Units | Text, unique |
| Input Restrictions | None |
| Baseline Rules | None |
| Door Type | |
| Applicability | All doors, required input |
|---|---|
| Definition | The baseline standards classify doors as either: swinging or non-swinging. Non-swinging are generally roll-up doors. The prescriptive U-factor requirements depend on the door type so this input affects the baseline building criteria. The door types are described in greater detail in the baseline standards and the associated User's Manuals. This building descriptor may be derived from other building descriptors, in which case a specific input is not necessary. |
| Units | List: swinging or non-swinging |
| Input Restrictions | The door type shall be consistent with the type of door represented on the construction documents or as-built drawings. |
| Baseline Rules | The baseline building door type shall be the same as the proposed design. |
| Door Geometry | |
| Applicability | All doors |
|---|---|
| Definition | Door geometry defines the position and dimensions of the door surface relative to its parent wall surface. The azimuth and tilt (if any) of the door is inherited from the parent surface. The position of the door within the parent surface is specified through X,Y coordinates. The size is specified as a height and width (all doors are generally assumed to be rectangular in shape). The details of how the geometry of doors is specified may vary for each energy simulation program. |
| Units | Data structure: opening |
| Input Restrictions | No restrictions, other than that the inputs shall agree with the construction documents or as-built drawings. |
| Baseline Rules | Door geometry in the baseline building is identical to the proposed design. |
| Door U-factor | |
| Applicability | All doors |
|---|---|
| Definition | The thermal transmittance of the door, including the frame. |
| Units | Btu/h•ft•°F |
| Input Restrictions | Door U-factors shall be taken from the default values in Appendix A of ASHRAE Standard 90.1-2001 or ASHRAE Standard 90.1-2007, or shall be obtained from NFRC test procedures. |
| Baseline Rules | The door U-factor in the baseline building depends on the baseline standard, the climate zone and the type of door (swinging or non-swinging). Use values from [bookref id="baseline-building-u-factor-criteria-for-doors"]. |
[table title="Baseline Building U-factor Criteria for Doors" id="baseline-building-u-factor-criteria-for-doors"]
| Applicable Standard | Swinging or Non-swinging |
Climate Zone | Space Category | ||
| Nonresidential | Residential | Semi-Heated | |||
| ASHRAE Standard 90.1 - 2001 |
Swinging | 1- 5 | 0.700 | 0.700 | 0.700 |
| 6, 7 | 0.700 | 0.500 | 0.700 | ||
| 8 | 0.500 | 0.500 | 0.700 | ||
| Non-swinging | 1, 2 | 1.450 | 1.450 | 1.450 | |
| 3- 5 | 1.450 | 0.500 | 1.450 | ||
| 6- 8 | 0.500 | 0.500 | 1.450 | ||
| ASHRAE Standard 90.1 - 2007 |
Swinging | 1- 4 | 0.700 | 0.700 | 0.700 |
| 5, 6 | 0.700 | 0.500 | 0.700 | ||
| 7, 8 | 0.500 | 0.500 | 0.700 | ||
| Non-swinging | 1 | 1.450 | 1.450 | 1.450 | |
| 2, 3 | 1.450 | 0.500 | 1.450 | ||
| 4 | 1.500 | 0.500 | 1.450 | ||
| 5- 7 | 0.500 | 0.500 | 1.450 | ||
| Door Name | |
| Applicability | All doors, optional input |
|---|---|
| Definition | A unique name or code that relates the door to the design documents submitted. Doors that are more than 50% glass are treated as windows and must be entered by the user using the windows building descriptors. |
| Units | Text, unique |
| Input Restrictions | None |
| Baseline Rules | None |
| Door Type | |
| Applicability | All doors, required input |
|---|---|
| Definition | The baseline standards classify doors as either: swinging or non-swinging. Non-swinging are generally roll-up doors. The prescriptive U-factor requirements depend on the door type so this input affects the baseline building criteria. The door types are described in greater detail in the baseline standards and the associated User's Manuals. This building descriptor may be derived from other building descriptors, in which case a specific input is not necessary. |
| Units | List: swinging or non-swinging |
| Input Restrictions | The door type shall be consistent with the type of door represented on the construction documents or as-built drawings. |
| Baseline Rules | The baseline building door type shall be the same as the proposed design. |
| Door Geometry | |
| Applicability | All doors |
|---|---|
| Definition | Door geometry defines the position and dimensions of the door surface relative to its parent wall surface. The azimuth and tilt (if any) of the door is inherited from the parent surface. The position of the door within the parent surface is specified through X,Y coordinates. The size is specified as a height and width (all doors are generally assumed to be rectangular in shape). The details of how the geometry of doors is specified may vary for each energy simulation program. |
| Units | Data structure: opening |
| Input Restrictions | No restrictions, other than that the inputs shall agree with the construction documents or as-built drawings. |
| Baseline Rules | Door geometry in the baseline building is identical to the proposed design. |
| Door U-factor | |
| Applicability | All doors |
|---|---|
| Definition | The thermal transmittance of the door, including the frame. |
| Units | Btu/h•ft•°F |
| Input Restrictions | Door U-factors shall be taken from the default values in Appendix A of ASHRAE Standard 90.1-2007 or shall be obtained from NFRC test procedures. |
| Baseline Rules | The door U-factor in the baseline building depends on the baseline standard, the climate zone and the type of door (swinging or non-swinging). Use values from [bookref id="baseline-building-u-factor-criteria-for-doors"]. |
[table title="Baseline Building U-factor Criteria for Doors" id="baseline-building-u-factor-criteria-for-doors"]
| Applicable Standard | Swinging or Non-swinging |
Climate Zone | Space Category | ||
| Nonresidential | Residential | Semi-Heated | |||
| ASHRAE Standard 90.1 - 2007 |
Swinging | 1- 4 | 0.700 | 0.700 | 0.700 |
| 5, 6 | 0.700 | 0.500 | 0.700 | ||
| 7, 8 | 0.500 | 0.500 | 0.700 | ||
| Non-swinging | 1 | 1.450 | 1.450 | 1.450 | |
| 2, 3 | 1.450 | 0.500 | 1.450 | ||
| 4 | 1.500 | 0.500 | 1.450 | ||
| 5- 7 | 0.500 | 0.500 | 1.450 | ||
| Door Name | |
| Applicability | All doors, optional input |
|---|---|
| Definition | A unique name or code that relates the door to the design documents submitted. Doors that are more than 50% glass are treated as windows and must be entered by the user using the windows building descriptors. |
| Units | Text, unique |
| Input Restrictions | None |
| Baseline Rules | None |
| Door Type | |
| Applicability | All doors, required input |
|---|---|
| Definition | The baseline standards classify doors as either: swinging or non-swinging. Non-swinging are generally roll-up doors. The prescriptive U-factor requirements depend on the door type so this input affects the baseline building criteria. The door types are described in greater detail in the baseline standards and the associated User's Manuals. This building descriptor may be derived from other building descriptors, in which case a specific input is not necessary. |
| Units | List: swinging or non-swinging |
| Input Restrictions | The door type shall be consistent with the type of door represented on the construction documents or as-built drawings. |
| Baseline Rules | The baseline building door type shall be the same as the proposed design. |
| Door Geometry | |
| Applicability | All doors |
|---|---|
| Definition | Door geometry defines the position and dimensions of the door surface relative to its parent wall surface. The azimuth and tilt (if any) of the door is inherited from the parent surface. The position of the door within the parent surface is specified through X,Y coordinates. The size is specified as a height and width (all doors are generally assumed to be rectangular in shape). The details of how the geometry of doors is specified may vary for each energy simulation program. |
| Units | Data structure: opening |
| Input Restrictions | No restrictions, other than that the inputs shall agree with the construction documents or as-built drawings. |
| Baseline Rules | Door geometry in the baseline building is identical to the proposed design. |
| Door U-factor | |
| Applicability | All doors |
|---|---|
| Definition | The thermal transmittance of the door, including the frame. |
| Units | Btu/h•ft•°F |
| Input Restrictions | Door U-factors shall be taken from the default values in Appendix A of ASHRAE Standard 90.1-2007 or shall be obtained from NFRC test procedures. |
| Baseline Rules | The door U-factor in the baseline building depends on the baseline standard, the climate zone and the type of door (swinging or non-swinging). Use values from Table 6.5.6-1. |
Table 6.5.6-1: Baseline Building U-factor Criteria for Doors
| Applicable Standard | Swinging or Non-swinging |
Climate Zone | Space Category | ||
| Nonresidential | Residential | Semi-Heated | |||
| ASHRAE Standard 90.1 - 2007 |
Swinging | 1- 4 | 0.700 | 0.700 | 0.700 |
| 5, 6 | 0.700 | 0.500 | 0.700 | ||
| 7, 8 | 0.500 | 0.500 | 0.700 | ||
| Non-swinging | 1 | 1.450 | 1.450 | 1.450 | |
| 2, 3 | 1.450 | 0.500 | 1.450 | ||
| 4 | 1.500 | 0.500 | 1.450 | ||
| 5- 7 | 0.500 | 0.500 | 1.450 | ||
|
Door Name |
|
|---|---|
|
Applicability |
All doors, optional input |
|
Definition |
A unique name or code that relates the door to the design documents submitted. Doors that are more than 50% glass are treated as windows and must be entered by the user using the fenestration building descriptors. |
|
Units |
Text, unique |
|
Input Restrictions |
None |
|
Baseline Rules |
None |
|
Door Type |
|
|---|---|
|
Applicability |
All exterior doors, required input |
|
Definition |
The baseline standard classifies doors as either: swinging or non-swinging. Non-swinging are generally roll-up doors. The prescriptive U-factor requirements depend on the door type so this input affects the baseline building criteria. The door types are described in greater detail in the baseline standards and the associated User's Manuals. This building descriptor may be derived from other building descriptors, in which case a specific input is not necessary. |
|
Units |
List: swinging or non-swinging |
|
Input Restrictions |
The door type shall be consistent with the type of door represented on the construction documents or as-built drawings. |
|
Baseline Rules |
The baseline building door type shall be the same as the proposed design. |
|
Door Geometry |
|
|---|---|
|
Applicability |
All doors |
|
Definition |
Door geometry defines the position and dimensions of the door surface relative to its parent wall surface. The azimuth and tilt (if any) of the door is inherited from the parent surface. The position of the door within the parent surface is generally specified through X,Y coordinates. The size is specified as a height and width (all doors are generally assumed to be rectangular in shape). The details of how the geometry of doors is specified may vary for each energy simulation program. |
|
Units |
Data structure: opening |
|
Input Restrictions |
No restrictions, other than that the inputs shall agree with the construction documents or as-built drawings. |
|
Baseline Rules |
Door geometry in the baseline building is identical to the proposed design. |
|
Door U-factor |
|
|---|---|
|
Applicability |
All doors |
|
Definition |
The thermal transmittance of the door, including the frame. |
|
Units |
Btu/h•ft•°F |
|
Input Restrictions |
Door U-factors shall be taken from the default values in Appendix A of ASHRAE Standard 90.1-2007 or shall be obtained from NFRC test procedures. |
|
Baseline Rules |
The door U-factor in the baseline building depends on the baseline standard, the climate zone and the type of door (swinging or non-swinging). Use values from Table 3.5.6-1. |
Table 3.5.6-1: Baseline Building U-factor Criteria for Doors
|
Climate Zone |
Nonresidential |
Residential |
Semi-Heated |
|||
|
Swinging |
Non-Swinging |
Swinging |
Non-Swinging |
Swinging |
Non-Swinging |
|
|
1 |
0.700 |
1.450 |
0.700 |
1.450 |
0.700 |
1.450 |
|
2 |
||||||
|
3 |
||||||
|
4 |
0.500 |
|||||
|
5 |
||||||
|
6 |
0.500 |
0.500 |
||||
|
7 |
||||||
|
8 |
0.500 |
|||||
3.5.6 Exterior Floors
|
Floor Name |
|
|---|---|
|
Applicability |
All floor surfaces |
|
Definition |
A unique name or code that relates the exposed floor to the design documents. Exposed floors include floors exposed to the outdoors and floors over unconditioned spaces, but do not include slab-on-grade floors, below-grade floors, or interior floors. |
|
Units |
Text: unique |
|
Input Restrictions |
None |
|
Baseline Building |
None |
|
Floor Type |
|
|---|---|
|
Applicability |
All exterior floor surfaces, optional |
|
Definition |
The category that defines the baseline building prescriptive floor requirements |
|
Units |
List: Mass, Steel-Joist, Wood-Framed and Other |
|
Input Restrictions |
As designed |
|
Baseline Building |
The baseline building floors shall be of type “steel-joist” |
|
Floor Geometry |
|
|---|---|
|
Applicability |
All exterior floors, required input |
|
Definition |
Floor geometry defines the position, orientation, azimuth, and tilt of the floor surface. The details of how the coordinate system is implemented may vary among software programs. The data structure for surfaces is described in the reference section of this chapter. |
|
Units |
Data structure: surface |
|
Input Restrictions |
As designed |
|
Baseline Building |
Baseline building floor geometry is identical to the proposed design |
|
Floor Construction |
|
|---|---|
|
Applicability |
All floors, required input |
|
Definition |
A specification containing a series of layers that result in a construction assembly for the proposed design. The first layer in the series represents the outside (or exterior) layer and the last layer represents the inside (or interior) layer. See the building descriptors above for floor construction type. |
|
Units |
List: layers |
|
Input Restrictions |
As designed, with the construction assembly defined by a series of layers. Each layer specified, must consist of materials as described in Section 3.5.2. NOTE: Standard 90.1-2019, Table A9.2-1 in Appendix A specifies the effective insulation/framing layer R-values for roof and floor insulation installed between metal framing 4’ OC. These values are intended to be used for all other framing, 16”, 2’, and 3’. |
|
Baseline Building |
The exterior floor type for the baseline building is steel joist. The baseline building wall construction shall be modeled as layers. The U-factor required for baseline wall construction is defined in Table 25. The layer by layer construction corresponding to each U-factor shall be modeled as shown in Table 26. For existing buildings, the baseline walls shall follow the same rules as new buildings. |
Table 25. Standard 90.1-2019 Requirements for Baseline Steel Joist Floors for Non-Residential Space Conditioning Categories
|
|
U-factor (Btu/ft2. °F. h) |
||
|
Nonresidential |
Residential |
Semiheated |
|
|
Climate Zone 0 and 1 |
U-0.35 |
U-0.35 |
U-0.35 |
|
Climate Zone 2 |
U-0.052 |
U-0.052 |
U-0.35 |
|
Climate Zone 3 |
U-0.052 |
U-0.052 |
U-0.069 |
|
Climate Zone 4 |
U-0.052 |
U-0.038 |
U-0.069 |
|
Climate Zone 5 |
U-0.052 |
U-0.038 |
U-0.069 |
|
Climate Zone 6 |
U-0.038 |
U-0.038 |
U-0.069 |
|
Climate Zone 7 |
U-0.038 |
U-0.038 |
U-0.052 |
|
Climate Zone 8 |
U-0.038 |
U-0.032 |
U-0.052 |
Table 26. Baseline Building Exterior Floor Construction Assemblies
|
Construction |
Layer |
Thickness (inch) |
Conductivity (Btu/h ft °F) |
Density (lb/ft²) |
Specific Heat |
R-value (ft²·°F·h/Btu) |
|
U-value (Btu /ft²·°F·h) |
|
Floor R-38 |
Interior air film (flow down) |
0.92 |
|
|||||
|
Carpet and pad |
1.23 |
|
||||||
|
4" concrete |
4 |
1.3333 |
140 |
0.2 |
0.25 |
|
||
|
R-38 insulation between joists |
28 |
|
||||||
|
Metal deck |
0.06 |
26 |
480 |
0.1 |
0.00 |
|
||
|
Semi-exterior air film |
0.46 |
|
||||||
|
Total for assembly |
30.86 |
0.032 |
||||||
|
Floor R-30 |
Interior air film (flow down) |
0.92 |
|
|||||
|
Carpet and pad |
1.23 |
|
||||||
|
4" concrete |
4 |
1.3333 |
140 |
0.2 |
0.25 |
|
||
|
R-30 insulation between joists |
23.5 |
|
||||||
|
Metal deck |
0.06 |
26 |
480 |
0.1 |
0.00 |
|
||
|
Semi-exterior air film |
0.46 |
|
||||||
|
Total for assembly |
26.36 |
0.038 |
||||||
|
Floor R-19 |
Interior air film (flow down) |
0.92 |
|
|||||
|
Carpet and pad |
1.23 |
|
||||||
|
4" concrete |
4 |
1.3333 |
140 |
0.2 |
0.25 |
|
||
|
R-19 insulation between joists |
16.37 |
|
||||||
|
Metal deck |
0.06 |
26 |
480 |
0.1 |
0.00 |
|
||
|
Semi-exterior air film |
0.46 |
|
||||||
|
Total for Assembly |
19.23 |
0.052 |
||||||
|
Floor R-13 |
Interior air film (flow down) |
0.92 |
|
|||||
|
Carpet and pad |
1.23 |
|
||||||
|
4" concrete |
4 |
1.3333 |
140 |
0.2 |
0.25 |
|
||
|
R-13 insulation between joists |
11.63 |
|
||||||
|
Metal deck |
0.06 |
26 |
480 |
0.1 |
0.00 |
|
||
|
Semi-exterior air film |
0.46 |
|
||||||
|
Total for assembly |
14.49 |
0.069 |
||||||
|
NR |
Interior air film (flow down) |
0.92 |
|
|||||
|
Carpet and pad |
1.23 |
|
||||||
|
4" concrete |
4 |
1.3333 |
140 |
0.2 |
0.25 |
|
||
|
Metal deck |
0.06 |
26 |
480 |
0.1 |
0.00 |
|
||
|
Semi-exterior air film |
0.46 |
|
||||||
|
Total for assembly |
2.86 |
0.35 |
||||||
| Door Name | |
| Applicability | All doors, optional input |
|---|---|
| Definition | A unique name or code that relates the door to the design documents submitted. Doors that are more than 50% glass are treated as windows and must be entered by the user using the windows building descriptors. |
| Units | Text, unique |
| Input Restrictions | None |
| Door Geometry | |
| Applicability | All doors |
|---|---|
| Definition | Door geometry defines the position and dimensions of the door surface relative to its parent wall surface. The azimuth and tilt (if any) of the door is inherited from the parent surface. The position of the door within the parent surface is specified through X,Y coordinates. The size is specified as a height and width (all doors are generally assumed to be rectangular in shape). The details of how the geometry of doors is specified may vary for each energy simulation program. |
| Units | Data structure: opening |
| Input Restrictions | No restrictions, other than that the inputs shall agree with the construction documents or as-built drawings. |
| Door U-factor | |
| Applicability | All doors |
|---|---|
| Definition | The thermal transmittance of the door, including the frame. |
| Units | Btu/h•ft•°F |
| Input Restrictions | Door U-factors shall be taken from the default values in Appendix A of ASHRAE Standard 90.1-2001 or ASHRAE Standard 90.1-2007, or shall be obtained from NFRC test procedures. |
| Door Name | |
| Applicability | All doors, optional input |
|---|---|
| Definition | A unique name or code that relates the door to the design documents submitted. Doors that are more than 50% glass are treated as windows and must be entered by the user using the windows building descriptors. |
| Units | Text, unique |
| Input Restrictions | None |
| Door Geometry | |
| Applicability | All doors |
|---|---|
| Definition | Door geometry defines the position and dimensions of the door surface relative to its parent wall surface. The azimuth and tilt (if any) of the door is inherited from the parent surface. The position of the door within the parent surface is specified through X,Y coordinates. The size is specified as a height and width (all doors are generally assumed to be rectangular in shape). The details of how the geometry of doors is specified may vary for each energy simulation program. |
| Units | Data structure: opening |
| Input Restrictions | No restrictions, other than that the inputs shall agree with the construction documents or as-built drawings. |
| Door U-factor | |
| Applicability | All doors |
|---|---|
| Definition | The thermal transmittance of the door, including the frame. |
| Units | Btu/h•ft•°F |
| Input Restrictions | Door U-factors shall be taken from the default values in Appendix A of ASHRAE Standard 90.1-2001 or ASHRAE Standard 90.1-2007, or shall be obtained from NFRC test procedures. |