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Carbon Emission

The Carbon Emission page captures greenhouse gas emissions across five categories: Social Cost of Carbon (SCC), Material Emissions, Transportation Emissions, Machinery/Equipment Emissions, and Traffic Rerouting Emissions.

H.1 Overview of Carbon Emission Page​

Click Carbon Emission in the left navigation menu. The page contains five tabs:

  • Social Cost of Carbon
  • Material Emissions
  • Transportation Emissions
  • Machinery/Equipment Emissions
  • Traffic Rerouting Emissions

[TODO - screenshot not yet available: documentation_images/partH/01_carbon_emission_overview.png]

H.2 Social Cost of Carbon (SCC)​

The Social Cost of Carbon tab calculates the economic cost of carbon emissions. Two modes are available:

H.2.1 K. Ricke et al. (Country-Level)​

This mode uses country-level SCC estimates from the paper "Country-level social cost of carbon" (K. Ricke et al.). The page pulls in country data from your project's General Information.

H.2.2 Custom / Manual Override​

This mode allows you to enter a custom SCC value manually.

[TODO - screenshot not yet available: documentation_images/partH/02_social_cost_of_carbon.png]

H.3 Material Emissions​

The Material Emissions tab shows carbon emissions from construction materials, pulled directly from your Construction Works Data. The table displays:

  • Category (Foundation, Sub-Structure, Super-Structure, Misc)
  • Material name
  • Quantity and unit
  • Conversion factor
  • Emission factor and unit
  • Total emissions for the material
  • Action (edit, exclude/include)

The page includes:

  • Summary bar showing total emissions and count of included items
  • "Show Details" toggle to display category-wise breakdown
  • Included and Excluded tables

H.3.1 Editing Material Emissions​

Click the edit icon next to a material to open the Material Dialog and modify emission factors.

H.3.2 Excluding Materials​

Click the exclude icon to remove a material from the calculation; click include to add it back.

[TODO - screenshot not yet available: documentation_images/partH/03_material_emissions.png]

H.4 Transportation Emissions​

The Transportation Emissions tab captures emissions from transporting materials to the construction site.

H.4.1 Adding a Delivery​

Click + Add Delivery to open the Transportation Dialog, where you can:

  • Select materials to include in this delivery
  • Enter vehicle details (name, capacity, gross weight, empty weight, emission factor)
  • Enter route details (origin, distance in km)

[TODO - screenshot not yet available: documentation_images/partH/04_transportation_emissions.png]

H.4.2 Add Delivery Dialog​

[TODO - screenshot not yet available: documentation_images/partH/05_add_delivery_dialog.png]

H.5 Machinery/Equipment Emissions​

The Machinery/Equipment Emissions tab captures emissions from construction equipment. Two input methods are available: Detailed Equipment List or Lump Sum.

H.5.1 Detailed Equipment List​

This mode uses a table to list each piece of equipment with:

  • Equipment name
  • Energy source (Diesel, Electricity (Grid), Electricity (Solar/Renewable), Other)
  • Fuel/power rating
  • Average hours/day
  • Number of days
  • Emission factor (EF)
  • Consumption
  • Emissions
  • Action (edit, delete)

Click Load Defaults to populate the table with common construction equipment.

H.5.2 Lump Sum​

This mode allows you to enter total electricity and fuel consumption directly:

  • Electricity: consumption/day, number of days, EF
  • Fuel: consumption/day, number of days, EF

[TODO - screenshot not yet available: documentation_images/partH/05_machinery_emissions.png]

H.6 Traffic Rerouting Emissions​

The Traffic Rerouting Emissions tab calculates emissions from traffic rerouting during construction. The mode is automatically set based on your Traffic and Road Data:

  • If Traffic Data is in INDIA mode: "Calculate by Vehicle"
  • Otherwise: "Enter Directly"

H.6.1 Calculate by Vehicle Mode​

This mode shows:

  • Reroute distance (pulled from Traffic Data)
  • Vehicle emission factors table
  • Total daily emissions

Click Load Default Factors to use default emission factors.

H.6.2 Enter Directly Mode​

This mode lets you enter a single total daily emission value.

[TODO - screenshot not yet available: documentation_images/partH/06_traffic_diversion_emissions.png]

H.7 Example Values​

For the Sone River Road Bridge, use the following:

  • Material Emissions: populated from Construction Works Data
  • Transportation Emissions: add one delivery for each major material category
  • Machinery Emissions: use Load Defaults
  • Traffic Diversion: use Load Default Factors

H - Screenshot Checklist​

Checklist ItemFile
Carbon Emission - Overview (annotated)documentation_images/partH/01_carbon_emission_overview.png
Social Cost of Carbon (annotated)documentation_images/partH/02_social_cost_of_carbon.png
Material Emissions (annotated)documentation_images/partH/03_material_emissions.png
Transportation Emissions (annotated)documentation_images/partH/04_transportation_emissions.png
Machinery/Equipment Emissions (annotated)documentation_images/partH/05_machinery_emissions.png
Traffic Rerouting Emissions (annotated)documentation_images/partH/06_traffic_diversion_emissions.png
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