HomeMy WebLinkAboutAttachment D - Energy Calculations
ENERGY CALCULATIONS
ATTACHMENT D
to the
573 Forbes Boulevard Project Environmental Checklist
To support the Energy Analysis for the following project:573 Forbes
Construction Equipment/Vehicles
# of Vehicles Hrs per Day Horse-power Load Factor Days in Phase Fuel Used (gallons)
Site Preparation
Graders 1 8 187 0.41 10 324Scrapers183670.48 10 746
Tractors/Loaders/Backhoes 1 7 97 0.37 10 148
DemolitionRubber Tired Dozers 1 8 247 0.4 10 418
Concrete Saws 1 8 81 0.73 10 278
Tractors/Loaders/Backhoes 3 8 97 0.37 10 506Grading / Excavation
Graders 1 8 187 0.41 68 2,206
Rubber Tired Dozers 1 8 247 0.4 68 2,843
Tractors/Loaders/Backhoes 2 7 97 0.37 68 2,009
Building - Exterior
Cranes 1 8 231 0.29 447 12,673
Forklifts 2 7 89 0.2 447 6,550
Generator Sets 1 8 84 0.74 447 13,070
Tractors/Loaders/Backhoes 1 6 97 0.37 447 5,660
Welders 3 8 46 0.45 447 13,058
Building - Interior / Architectural Coating
Air Compressors 1 6 78 0.48 21 277
Paving
Cement and Mortar Mixers 1 8 9 0.56 10 24
Pavers 1 8 130 0.42 10 231
Paving Equipment 1 8 132 0.36 10 201
Rollers 2 8 80 0.38 10 286
Tractors/Loaders/Backhoes 1 8 97 0.37 10 169
Total Fuel Used for Construction Equipment/Vehicles 61,677 (diesel)
Compression-Ignition Engine Brake-Specific Fuel Consumption (BSFC) Factors [1] used in the above calculations are
(in gallons per horsepower-hour/BSFC)0.0588 <100 horsepower
0.0529 >100 horsepower
Worker Trips
Phase MPG [2]Trips
Trip Length
(miles)
Total Miles
per Day Days in Phase
Fuel Used
(gallons)
Demolition 24 13 10.8 140.4 10 59Site Prep Phase 24 8 10.8 86.4 10 36
Grading Phase 24 10 10.8 108 68 306
Paving 24 15 10.8 162 10 68Building Construction 24 192 10.8 2073.6 447 38,621
Architectural Coating 24 38 10.8 410.4 21 359
Total Fuel Used for Construction Worker Trips 39,448 (gasoline)
Vendor Trips
Phase MPG [2]Trips
Trip Length
(miles)
Total Miles
per Day Days in Phase
Fuel Used
(gallons)
Demolition 7.4 0 7.3 0 10 0Site Prep Phase 7.4 0 7.3 0 10 0
Grading Phase 7.4 0 7.3 0 68 0
Paving 7.4 0 7.3 0 10 0Building Construction 7.4 87 7.3 635.1 447 38,363
Architectural Coating 7.4 0 7.3 0 21 0
Total Fuel Used for Vendor Trips 38,363 (diesel)
Hauling Trips
Phase MPG [2]Trips in Phase
Trip
Length (miles)Total Miles in Phase Fuel Used (gallons)
Demolition 7.4 151 20 3020 408
Site Prep Phase 7.4 0 20 0 0Grading Phase 7.4 5000 20 100000 13,514
Trenching / Foundation 7.4 0 20 0 0
Paving 7.4 0 20 0 0Building Construction 7.4 0 20 0 0
Architectural Coating 7.4 0 20 0 0
Total Fuel Used for Hauling Trips 13,922 (diesel)
Fuel Use Converted to MMBtu
Source
Diesel [3]15,656 MMBtu
Gasoline [4]4,331 MMBtu
Total Energy Use from Construction Fuel 19,987 MMBtu
Sum of aboveTotal Construction Energy Use 19,987 MMBtu
39,448
137,381
109,786
Construction Energy Use
Construction Energy Use, Continued
Fuel Converted to Energy
Use
Total Construction
Fuel Use (gallons)
Conversion Factor
Btu/gallon113,963
Energy Calculations Page 1 of 3
Operational Vehicular Fuel Use
Gross Annual VMT 3,677,114
Fleet Class Fleet Mix
VMT per
Class
Fuel Ecomony
[5]
Fuel Consumption
(gallons)
Light Duty Auto (LDA)0.465403 1711339.9 30.9 55383.17
Light Duty Truck 1 (LDT1)0.073585 270580.43 26.63 10160.74
Light Duty Truck 2 (LDT2)0.235906 867453.26 24.36 35609.74
Medium Duty Vehicle (MDV)0.14672 539506.17 20.2 26708.23
Motorcycle (MCY)0.028871 106161.96 37.06 2864.60 Total Gasoline 130,726
Light Heavy Duty 1 (LHD1)0.025583 94071.607 18.23 5160.26 gallons
Light Heavy Duty 2 (LHD2)0.006412 23577.655 16.24 1451.83
Medium Heavy Duty (MHD)0.010355 38076.515 9.43 4037.81
Heavy Heavy Duty (HHD)0.00206 7574.8548 6.42 1179.88
Other Bus (OBUS)0.001446 5317.1068 8.26 643.72
Urban Bus (UBUS)0.000572 2103.3092 5.17 406.83
School Bus (SBUS)0.000432 1588.5132 7.25 219.11
Motorhome (MH )0.002657 9770.0919 9.91 985.88 Total Diesel 14,085
gallons
Note that the above VMT includes a 21% reduction for the TDM plan [6].
Note that the above numbers represent gross fuel consumption.
Source
Diesel 14,085 [3]1,935 MMBtu
Gasoline 130,726 [4]14,352 MMBtu
Total Energy Use from Operational Fuel 16,287 MMBtu
Operational Built Environment
Type of Energy Annual Usage Units
Converted to
MMBtu
Electricity 5.79E+06 kWh 19763
Natural Gas 0.00E+00 kBtu 0.00
Sum of above
Total Annual Operational Energy Use 36,050 MMBtu
Operational Energy Use
137,381
109,786
Fuel Converted to Energy
Use
Total Fuel Use
(gallons)
Conversion Factor
Btu/gallon
Energy Calculations Page 2 of 3
Sources
Unless otherwise noted, information in these calculations is from the project-specific Air Quality/Emissions Assessment for the
project, including CalEEMod output tables.
[1] United States Environmental Protection Agency. 2018. Exhaust and Crankcase Emission Factors for Nonroad
Compression-Ignition Engines in MOVES2014b . July 2018. Available at:
https://nepis.epa.gov/Exe/ZyPDF.cgi?Dockey=P100UXEN.pdf.
[2] United States Department of Transportation, Bureau of Transportation Statistics. 2018. National Transportation Statistics
2018 . Available at: https://www.bts.gov/sites/bts.dot.gov/files/docs/browse-statistical-products-anddata/national-
transportation-statistics/223001/ntsentire2018q4.pdf.
https://www.eia.gov/totalenergy/data/monthly/archive/00352205.pdf
[4] California Air Resources Board, CA-GREET 2.0 Supplemental Document and Tables of Changes, Appendix C, Supplement to
the LCFS CA-GREET 2.0 Model, 12/15/2014 , page C-24, Table 10. Available at:
https://ww2.arb.ca.gov/sites/default/files/barcu/regact/2015/lcfs2015/lcfs15appc.pdf
[5] California Air Resources Board (CARB), EMFAC2021 v1.0.0., 2021. Available at https://ww2.arb.ca.gov/our-
work/programs/mobile-source-emissions-inventory/msei-modeling-tools-emfac-software-and
[6] Anticipated TDM reduction information is from the the project-specific CEQA Transportation Analysis.
Acronyms used include:
Btu = British Thermal Units
hrs = hours
kBtu = Thousand British Thermal Units
kWH = kilowatt hours
MMBtu = Million British Thermal Units
MPG = miles per gallon
TDM = Transportation Demand Management
VMT = vehicle miles traveled
Energy Calculations Page 3 of 3