PERFORMANCE BASED CARBON CALCULATOR

Determine the weekly carbon footprint of your SIP operation.

Roadmaster Performance Calculator

Calculation date

Year

Week number

Calculation comments

Distance

Odometer start reading (km)

Odometer finish reading (km)

Distance travelled (Km)

169.30

Materials

Litres of emulsion used

Volume of aggregate laid (m3)

Water used for flushing emulsion lines (litres)

Kerosene used for road heater (litres)

Average patch depth (mm)

Binder application rate achieved - Mixture (Kg/m3)

164.4

Binder Application rate achieved (Kg/m3)

179.4

Binder application rate achieved - Tack Coat(Kg/m3)

Weight of bitumen emulsion used (Kg)

3,947

Weight of emulsion used for for tack coat (Kg)

330

Weight of emulsion used for mixture (Kg)

3,617

Aggregate bulk density (t/m3)

Weight of aggregate laid (t)

29.70

Output at average depth (m2)

1,100

Calibration

Average weight recorded during calibration (Kg/min)

Percentage of bitumen in emulsion

60% 65% 70% 75%

Tack coat (Kg/m2)

Percentage binder in mixture

10.857 %

Calibration binder weight required (Kg/min)

7.31

Volume of aggregate recorded (l)

44.44

Fuel

Total fuel used (litres)

Fuel usage travellling (l/km)

Fuel usage working (l/tonne laid)

6.00

Fuel usage of patcher - Travelling (l)

51.64

Fuel usage of patcher - Patching (l)

178.20

Material transportation

Aggregate transportation - Quarry to depot (km)

Average weight transported (t)

Bitumen emulsion transportation - Factory to depot (km)

Average weight of bitumen emulsion transported (t)

Carbon calculation

Aggregate

130.1 kgCO₂e

Aggregate transportation

21.3 kgCO₂e

Aggregate return trip

12.9 kgCO₂e

Bitumen emulsion

613.4 kgCO₂e

Bitumen emulsion transportation

12.8 kgCO₂e

Bitumen emulsion return trip

7.8 kgCO₂e

Fuel used

576.9 kgCO₂e

Kerosene used in road heater

0.0 kgCO₂e

Water

0.002 kgCO₂e

Total

1,375.2 kgCO₂e

Average carbon/m2

1.25 kgCO₂e

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