# Detailed Building Life Cycle Global Warming Potential Model

## Class Name

• RDetailedBuildingLifeCycleGWPModel

## Location in Objects Pane

• Models > Model > Consequence > Environmental > Detailed Building Life Cycle Global Warming Potential

## Model Description

### Model Form

• This model produces the lifecycle global warming potential of a building at a fine level of detail.
• Extraction and manufacturing phase
• $$GW{P_{EM}} = q\sum {{i_{gp}} + {i_{gt}}d}$$
• On-site construction phase
• $$GW{P_{OC}} = {E_{OC}}{i_{gc}}$$
• Operation phase
• $$GW{P_{OP}} = {E_{OP}}{i_{go}}$$
• End-of-life phase
• $$GW{P_{EoL}} = {E_{eoL}}{i_{geol}}$$

• No

## Properties

### Object Name

• Name of the object in Rt
• Allowable characters are upper-case and lower-case letters, numbers, and underscore (“_”).
• The name is unique and case-sensitive.

### Display Output

• Determines whether the model is allowed to print messages to the Output Pane.

### Concrete Quantity

• $${q}$$ = Quantity of concrete including mortar and concrete 20MPa, which units are converted to kg

### Concrete GWP Intensity

• $${i_{gp}}$$ = The GWP intensity of concrete materials defined as a variable with lognormal distribution

### Concrete Transportation Distance

• $${d}$$ = The distance travelled by concrete, including backhaul, defined as a random variable, in km

### Concrete Transportation GWP Intensity

• $${i_{gt}}$$ = Transportation GWP intensity of concrete materials defined as a variable with lognormal distribution

### Steel Quantity

• $${q}$$ = Quantity of steel including nails, welded wire mesh, wide flange section, rebar, rod, light sections, sheet metal, which units are converted to kg

### Steel GWP Intensity

• $${i_{gp}}$$ = The GWP intensity of steel materials defined as a variable with lognormal distribution

### Steel Transportation Distance

• $${d}$$ = The distance travelled by steel, including backhaul, defined as a random variable, in km

### Steel Transportation GWP Intensity

• $${i_{gt}}$$ = Transportation GWP intensity of steel materials defined as a variable with lognormal distribution

### Wood Quantity

• $${q}$$ = Quantity of wood including small dimension lumber, softwood plywood, large dimension lumber , whose units are converted to kg

### Wood GWP Intensity

• $${i_{gp}}$$ = The GWP intensity of wooden materials defined as a variable with lognormal distribution

### Wood Transportation Distance

• $${d}$$ = The distance travelled by wood, including backhaul, defined as a random variable, in km

### Wood Transportation GWP Intensity

• $${i_{gt}}$$ = Transportation GWP intensity of wooden materials defined as a variable with lognormal distribution

### Gypsum Board Quantity

• $${q}$$ = Quantity of Gypsum board including Gypsum wall 0.5” and 0.625”, whose units are converted to kg

### Gypsum Board GWP Intensity

• $${i_{gp}}$$ = The GWP intensity of Gypsum board defined as a variable with lognormal distribution

### Gypsum Board Transportation Distance

• $${d}$$ = The distance travelled by Gypsum board, including backhaul, defined as a random variable, in km

### Gypsum Board Transportation GWP Intensity

• $${i_{gt}}$$ = Transportation GWP intensity of Gypsum board defined as a variable with lognormal distribution

### Vapour Barrier Quantity

• $${q}$$ = Quantity of vapor barrier including 6 mil polyethylene, EPDM membrane, whose units are converted to kg

### Vapour Barrier GWP Intensity

• $${i_{gp}}$$ = The GWP intensity of vapor barrier defined as a variable with lognormal distribution

### Vapour Barrier Transportation Distance

• $${d}$$ = The distance travelled by vapor barrier, including backhaul, defined as a random variable, in km

### Vapour Barrier Transportation GWP Intensity

• $${i_{gt}}$$ = Transportation GWP intensity of vapor barrier defined as a variable with lognormal distribution

### Insulation Quantity

• $${q}$$ = Quantity of insulation including batt fibreglass, brick, vinyl siding glazing, whose units are converted to kg

### Insulation GWP Intensity

• $${i_{gp}}$$ = The GWP intensity of insulation materials defined as a variable with lognormal distribution

### Insulation Transportation Distance

• $${d}$$ = The distance travelled by insulation, including backhaul, defined as a random variable, in km

### Insulation Transportation GWP Intensity

• $${i_{gt}}$$ = Transportation GWP intensity of insulation materials defined as a variable with lognormal distribution

### Glass Quantity

• $${q}$$ = Quantity of glass including glazing panel, low E Tin Argon filled glazing, whose units are converted to kg

### Glass GWP Intensity

• $${i_{gp}}$$ = The GWP intensity of glass materials defined as a variable with lognormal distribution

### Glass Transportation Distance

• $${d}$$ = The distance travelled by glass, including backhaul, defined as a random variable, in km

### Glass Transportation GWP Intensity

• $${i_{gt}}$$ = Transportation intensity of glass materials defined as a variable with lognormal distribution

### Other Material Quantity

• $${q}$$ = Quantity of other materials including aluminum, whose units are converted to kg

### Other Material GWP Intensity

• $${i_{gp}}$$ = The GWP intensity of the other material defined as a variable with lognormal distribution

### Other Material Transportation Distance

• $${d}$$ = The distance travelled by the other material, including backhaul, defined as a random variable, in km

### OtherMaterial Transportation GWP Intensity

• $${i_{wt}}$$ = Transportation GWP intensity of the other material defined as a variable with lognormal distribution

### Energy Construction

• $${E_{oc}}$$ = The energy used during on-site construction in J

### GWP Intensity Energy Construction

• $${i_{gc}}$$ = The GWP intensity of the on-site construction phase in kgCO2e/J

### Annual Energy Operation

• $${E_{op}}$$ = The total energy used during building operation phase in J

### DesignLife

• $${t_d}$$ = The design life of the building in years

### GWP Intensity Operation

• $${i_{go}}$$ = The GWP intensity of the energy used during the building operation stage in kgCO2e/J

### EOL Energy

• $${E_{eol}}$$ = The total energy used during end of life phase in J

### GWP Intensity EOL

• $${i_{geol}}$$ = The GWP intensity of the energy used during the end of life stage in kgCO2e/J

## Output

• $${E_{GWP}}$$ = The lifecycle energy usage in a building regarded to global warming potential in J
• The output is an automatically generated generic response object, which takes the object name of the model plus “Response”.