ABOUT THIS PARAMETER

The monetary cost to hire people and purchase materials to demolish an ecosystem, creating a cleared and levelled site.

Used to calculate:demolition cost

Varies by: ecosystem

Used | ecosystem | Reference | Location: Ecosystem (study period) |
Value | Units | Notes |
---|

* | Agricultural field / vegetable garden | Homewyse 2015 Cost to Grade Lot | Upper West Side: Agricultural field / vegetable garden (2015) | 2.41 | $NYC 2015 / ft2 | Assumed low value for 10,000 square feet, zipcode 10024, 2015 |

* | Airfield | LAWA 2012 Appendix G LAX Cost Estimates | Los Angeles: Airfield (2012) | 9.699044 | $CA 2012 / ft2 | Table AF-1 gives estimate to demolish runway 6r-24L, with dimensions of 10285' x 150' (=1,623,750 sq. ft), of $14,963,203, which gives cost of $9.699 per square foot. |

Airfield | Homewyse 2015 Cost to Grade Lot | Upper West Side: Airfield (2015) | 4.35 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) | |

* | Airport terminal | The Airport News 2014 Bradley Terminal B Demolition | Connecticut: Airport terminal (2014) | 55.98 | $CT 2014 / ft2 | Above reference cites cost of winning bid for the demolition for Terminal B at $12,572,622. The reference CT Dept. of Transportation 2012 Terminal B Environmental Assessment and Impact, says that Terminal B is 224,600 sq. ft. (see page 3), this gives $12,572,622/224600 sq ft= $55.98 per sq. ft. |

Airport terminal | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Airport terminal (2015) | 1.48 | $NYC 2015 / ft2 | Factory 2 Story, 50,000 sq. feet, median, NYC 2015 | |

* | Alley | Homewyse 2015 Cost to Grade Lot | Upper West Side: Alley (2015) | 4.35 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) |

* | Apartment building | HR&A Advisors 2013 Cost to Rehab | New York City: Apartment building (2013) | 20 | $NYC 2013 / ft2 | See page 19 of above reference for estimated demolition costs for housing in New York City. |

Apartment building | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Apartment building (2015) | 1.24 | $NYC 2015 / ft2 | 4-7 story apartment, 40,000 square foot | |

* | Beach | Homewyse 2015 Cost to Grade Lot | Upper West Side: Beach (2015) | 4.35 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) |

* | Bike lane | Homewyse 2015 Cost to Grade Lot | Upper West Side: Bike lane (2015) | 4.35 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) |

* | Bioswale | Homewyse 2015 Cost to Grade Lot | Upper West Side: Bioswale (2015) | 2.41 | $NYC 2015 / ft2 | Zipcode 10024, 10,000 square feet, assumed low value |

* | Boulevard (arterial) | Homewyse 2015 Cost to Grade Lot | Upper West Side: Boulevard (arterial) (2015) | 4.35 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) |

* | Bridge | Florida Department of Transportation, 2014, Bridge Costs | Florida: Bridge (2014) | 47.5 | $FL 2014 / ft2 | Assumed average of high ($60) and low ($35) per square foot costs from second table in document. |

* | Camp | Homewyse 2015 Cost to Grade Lot | Upper West Side: Camp (2015) | 4.35 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) |

* | Cemetery | Homewyse 2015 Cost to Grade Lot | Upper West Side: Cemetary (2015) | 4.2 | $NYC 2015 / ft2 | Zipcode 10024, 10000 square feet, Avg of Low ($2.41) and High ($5.98) |

* | Cistern / rain barrels | Assumed | New York City: Urban Area () | 0 | $NYC 2015 / ft2 | Assumed to be part of the structure. |

* | Cliffs and rock outcrops | Homewyse 2015 Cost to Excavate Land | Demolition Costs: Cliffs and rock outcrops (2015) | 132.2 | $NYC 2015 / yard3 | Assume 3,000 cubic yards, used average of high ($174.44) and low ($89.96) excavation costs. |

* | Cogeneration plant | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Cogeneration plant (2015) | 1.98 | $NYC 2015 / ft2 | Factory 2 Story, 20,000 sq. feet, High Cost, NYC 2015 |

* | Compost bin | Assumed | New York City: Urban Area () | 0 | $NYC 2015 / ft2 | Assumed to be part of demolished structure |

* | Computer data center | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Computer data center (2015) | 1.98 | $NYC 2015 / ft2 | Factory 2 Story, 20,000 sq. ft, High Cost, NYC 2015 |

* | Cottages / Mobile home | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Cottages / Mobile home (2015) | 0.97 | $NYC 2015 / ft2 | Apartment 1-3 Story, 500 sq. feet. NYC, 2015 |

* | Deep water estuary | Weidle Corp. 2015 Sand Price List | Ohio: Deep water estuary (2015) | 24.12 | $NYC 2015 / ft2 | Assume estuary is 100' wide x 100' long x 40' deep, for a total volume = 400,000 cubic feet or 14,815 cubic yards. Assume estuary is filled with "Fill Sand/Sandy 9s," at $6.50 per ton). According to above reference, 1 cubic yard =1.5 tons. Thus total purchase price of sand is (14,815*1.5)*$6.50)= $144,444. The estuary area is assumed to be 10,000 square feet, thus giving a cost of $14.44 per square foot. This value is then adjusted to NYC costs from RSMeans (2013), using the value of 1.378956=(1.31/0.95) to give a NYC cost of $19.92 per square foot. To this number $4.20 is added, as this is the estimated average cost to grade a 10,000 square foot lot in New York City (10024) (see Homewyse 2015). Note, no retaining walls are included. |

* | Derelict structures | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Derelict structures (2015) | 0.77 | $NYC 2015 / ft2 | Warehouse, 5000 sq. ft., median, NYC 2015 |

* | Diesel power plant | Salem et al. 2011 Salem Harbor Power Station Site Assessment Study | Massachusetts: Diesel power plant (2011) | 3541666.67 | $MA 2011 / acre | Assume costs are $170 million from page 64. The demolition cite is 48 acres (page 63). Thus cost per acre is $170 million / 48 acres. |

Diesel power plant | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Diesel power plant (2015) | 1.98 | $NYC 2015 / ft2 | Factory 2 Story, 20,000 sq. ft. High Cost, NYC 2013 | |

* | Disturbed Land | Homewyse 2015 Cost to Grade Lot | Upper West Side: Disturbed land (2015) | 4.35 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) |

* | Eelgrass meadow | Weidle Corp. 2015 Sand Price List | Ohio: Eelgrass meadow (2015) | 6.68 | $NYC 2015 / ft2 | Assume eelgrass meadow is 100' wide x 100' long x 5' deep, for a total volume = 50,000 cubic feet or 1852 cubic yards. Assume meadow is filled with "Fill Sand/Sandy 9s," at $6.50 per ton). According to above reference, 1 cubic yard =1.5 tons. Thus total purchase price of sand is (1852*1.5)*$6.50)=$18,056. The area is assumed to be 10,000 square feet, thus giving a cost of $1.81 per square foot. This value is then adjusted to NYC costs from RSMeans (2013), using the value of 1.378956=(1.31/0.95) to give a NYC cost of $2.49 per square foot. To this number $4.20 is added, as this is the estimated average cost to grade a 10,000 square foot lot in New York City (10024) (see Homewyse 2015). |

* | Elevated train | Florida Department of Transportation, 2014, Bridge Costs | Florida: Elevated train (2014) | 47.5 | $FL 2014 / ft2 | Assumed to have same costs as bridge demolition. Assumed average of high ($60) and low ($35) per square foot costs from second table in document. |

* | Estuary | Weidle Corp. 2015 Sand Price List | Ohio: Estuary (2015) | 14.16 | $NYC 2015 / ft2 | Assume estuary is 100' wide x 100' long x 20' deep, for a total volume = 200,000 cubic feet or 7407 cubic yards. Assume estuary is filled with "Fill Sand/Sandy 9s," at $6.50 per ton). According to above reference, 1 cubic yard =1.5 tons. Thus total purchase price of sand is (7407*1.5)*$6.50)= $72,222. The estuary area is assumed to be 10,000 square feet, thus giving a cost of $7.22 per square foot. This value is then adjusted to NYC costs from RSMeans (2013), using the value of 1.378956=(1.31/0.95) to give a NYC cost of $9.96 per square foot. To this number $4.20 is added, as this is the estimated average cost to grade a 10,000 square foot lot in New York City (10024) (see Homewyse 2015). Note, no retaining walls are included. |

* | Factory | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Factory (2015) | 1.41 | $NYC 2015 / ft2 | 1 story, 10,000 square feet, NYC price |

Factory | HR&A Advisors 2013 Cost to Rehab | New York City: Factory (2013) | 20 | $NYC 2013 / ft2 | Assumed factory demolition costs are same as apartment building demo costs as cited in above reference. | |

* | Freshwater marsh | Weidle Corp. 2015 Sand Price List | Ohio: Freshwater marsh (2015) | 6.68 | $NYC 2015 / ft2 | Assume marsh is 100' wide x 100' long x 5' deep, for a total volume = 50,000 cubic feet or 1852 cubic yards. Assume marsh is filled with "Fill Sand/Sandy 9s," at $6.50 per ton). According to above reference, 1 cubic yard =1.5 tons. Thus total purchase price of sand is (1852*1.5)*$6.50)=$18,056. The marsh area is assumed to be 10,000 square feet, thus giving a cost of $1.81 per square foot. This value is then adjusted to NYC costs from RSMeans (2013), using the value of 1.378956=(1.31/0.95) to give a NYC cost of $2.49 per square foot. To this number $4.20 is added, as this is the estimated average cost to grade a 10,000 square foot lot in New York City (10024) (see Homewyse 2015). |

* | Fuel storage tank | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Fuel storage tank (2015) | 0.92 | $NYC 2015 / ft2 | Warehouse, Mini, median cost, 100 sq ft. NYC 2015 |

* | Garage | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Garage (2015) | 0.65 | $NYC 2015 / ft2 | Parking Garage, 50,000 sq. ft. NYC 2015 |

* | Gas station | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Gas Station (2015) | 1.4 | $NYC 2015 / ft2 | Factory 1 Story, 10,000 sq. ft., Median, NYC |

* | Geothermal pump | Assumed | New York City: Urban Area () | 0 | $NYC 2015 / ft2 | Assumed to be part of demolished structure |

* | Graywater recycling | Assumed | New York City: Urban Area () | 0 | $NYC 2015 / ft2 | Assumed to be part of demolished structure |

* | Greenhouse / vertical farm | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Greenhouse / vertical farm (2015) | 1.48 | $NYC 2015 / ft2 | Office 4-7 Story, 50,000 sq. ft, NYC 2015 |

* | Green roof | Assumed | New York City: Urban Area () | 0 | $NYC 2015 / ft2 | Assumed to be part of demolished structure |

* | Hardwood swamp | Weidle Corp. 2015 Sand Price List | Ohio: Hardwood swamp (2015) | 6.68 | $NYC 2015 / ft2 | Assume swamp is 100' wide x 100' long x 5' deep, for a total volume = 50,000 cubic feet or 1852 cubic yards. Assume swamp is filled with "Fill Sand/Sandy 9s," at $6.50 per ton). According to above reference, 1 cubic yard =1.5 tons. Thus total purchase price of sand is (1852*1.5)*$6.50)=$18,056. The swamp area is assumed to be 10,000 square feet, thus giving a cost of $1.81 per square foot. This value is then adjusted to NYC costs from RSMeans (2013), using the value of 1.378956=(1.31/0.95) to give a NYC cost of $2.49 per square foot. To this number $4.20 is added, as this is the estimated average cost to grade a 10,000 square foot lot in New York City (10024) (see Homewyse 2015). |

* | Heavy rail line | b2-Consultants LLC 2015 Railroad Track Removal | United States: Heavy rail line (2015) | 9.05 | $US 2015 / foot of railway | US average per linear foot, 2015 |

* | Hemlock – northern hardwood forest | Homewyse 2015 Cost to Grade Lot | Upper West Side: Hemlock, northern hardwood forest (2015) | 4.35 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) |

* | High salt marsh | Weidle Corp. 2015 Sand Price List | Ohio: High salt marsh (2015) | 6.68 | $NYC 2015 / ft2 | Assume marsh is 100' wide x 100' long x 5' deep, for a total volume = 50,000 cubic feet or 1852 cubic yards. Assume marsh is filled with "Fill Sand/Sandy 9s," at $6.50 per ton). According to above reference, 1 cubic yard =1.5 tons. Thus total purchase price of sand is (1852*1.5)*$6.50)=$18,056. The marsh area is assumed to be 10,000 square feet, thus giving a cost of $1.81 per square foot. This value is then adjusted to NYC costs from RSMeans (2013), using the value of 1.378956=(1.31/0.95) to give a NYC cost of $2.49 per square foot. To this number $4.20 is added, as this is the estimated average cost to grade a 10,000 square foot lot in New York City (10024) (see Homewyse 2015). |

* | Highway | Homewyse 2015 Cost to Grade Lot | Upper West Side: Highway (2015) | 4.35 | $NYC 2015 / ft2 | Zip code 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) |

* | Hospital | Rotenberg, C. 2015 Demolition of Montgomery Hospital in Norristown proceeds through freezing cold | Pennsylvania: Hospital (2014) | 13.7 | $CT 2014 / ft2 | Article says cost to demolish hospital will be $4-$5 million. Assumed $5 million. Articles says hospital is 365,000. $5,000,000/365,00 sq ft = $13.70 sq. ft. |

Hospital | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Hospital (2015) | 5.5 | $NYC 2015 / ft2 | 4-8 story hospital, 40,000 square feet, NYC | |

* | Hotel | HR&A Advisors 2013 Cost to Rehab | New York City: Hotel (2013) | 20 | $NYC 2013 / ft2 | Assume demolition costs are same as for housing in NYC, as given in report on page 19. |

Hotel | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Hotel (2015) | 1.64 | $NYC 2015 / ft2 | 4-7 story hotel, 40,000 square feet, NYC 2015 | |

* | Landfill | Homewyse 2015 Cost to Grade Lot | Upper West Side: Landfill (2015) | 4.35 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) |

* | Lawn | Homewyse 2015 Cost to Grade Lot | Upper West Side: Lawn (2015) | 2.55 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Low Cost |

* | Light rail line | b2-Consultants LLC 2015 Railroad Track Removal | United States: Light rail line (2015) | 9.05 | $US 2015 / foot of railway | US Average per linear foot, 2015 |

* | Low salt marsh | Weidle Corp. 2015 Sand Price List | Ohio: Low salt marsh (2015) | 6.68 | $NYC 2015 / ft2 | Assume marsh is 100' wide x 100' long x 5' deep, for a total volume = 50,000 cubic feet or 1852 cubic yards. Assume marsh is filled with "Fill Sand/Sandy 9s," at $6.50 per ton). According to above reference, 1 cubic yard =1.5 tons. Thus total purchase price of sand is (1852*1.5)*$6.50)=$18,056. The marsh area is assumed to be 10,000 square feet, thus giving a cost of $1.81 per square foot. This value is then adjusted to NYC costs from RSMeans (2013), using the value of 1.378956=(1.31/0.95) to give a NYC cost of $2.49 per square foot. To this number $4.20 is added, as this is the estimated average cost to grade a 10,000 square foot lot in New York City (10024) (see Homewyse 2015). |

* | Meadow | Homewyse 2015 Cost to Grade Lot | Upper West Side: Meadow (2015) | 2.55 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low Cost |

* | Mixed use: office / residential building | HR&A Advisors 2013 Cost to Rehab | New York City: Mixed use: office / residential building (2013) | 20 | $NYC 2013 / ft2 | Assume same housing demolition costs as given in above reference on page 19. |

Mixed use: office / residential building | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Mixed use: office / residential building (2015) | 1.48 | $NYC 2015 / ft2 | Office 4-7 Story, 50,000 sq. ft., NYC 2015 | |

* | Mixed use: restaurant / office building | HR&A Advisors 2013 Cost to Rehab | New York City: Mixed use: restaurant / office building (2013) | 20 | $NYC 2013 / ft2 | Assume same costs as for housing as given on page 19 in above reference. |

Mixed use: restaurant / office building | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Mixed use: restaurant / office building (2015) | 2.2 | $NYC 2015 / ft2 | Restaurant, 50,000 sq. feet, NYC 2015 | |

* | Mixed use: restaurant / residential building | HR&A Advisors 2013 Cost to Rehab | New York City: Mixed use: restaurant / residential building (2013) | 20 | $NYC 2013 / ft2 | Assume same cost as for housing, as given on page 19 of the above reference. |

Mixed use: restaurant / residential building | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Mixed use: restaurant / residential building (2015) | 2.2 | $NYC 2015 / ft2 | Restaurant, 50,000 sq. ft. NYC 2015 | |

* | Mixed use: restaurant / retail building | HR&A Advisors 2013 Cost to Rehab | New York City: Mixed use: restaurant / retail building (2013) | 20 | $NYC 2013 / ft2 | Assume same costs as housing, as given on page 19 of above report. |

Mixed use: restaurant / retail building | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Mixed use: restaurant / retail building (2015) | 2.2 | $NYC 2015 / ft2 | Restaurant, 50,000 sq. ft. NYC 2015 | |

* | Mixed use: retail / office building | HR&A Advisors 2013 Cost to Rehab | New York City: Mixed use: retail / office building (2013) | 20 | $NYC 2013 / ft2 | Assumed same cost as for demolishing housing, as given on page 19 of the above reference. |

Mixed use: retail / office building | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Mixed use: retail / office building (2015) | 1.99 | $NYC 2015 / ft2 | Office 8-10 story, 80,000 sq. ft., NYC | |

* | Mixed use: retail / residential building | HR&A Advisors 2013 Cost to Rehab | New York City: Mixed use: retail / residential building (2013) | 20 | $NYC 2013 / ft2 | Assume same costs as for housing as given on page 19 in above reference. |

Mixed use: retail / residential building | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Mixed use: retail / office building (2015) | 1.62 | $NYC 2015 / ft2 | Retail Store, 50,000 sq. ft., NYC 2015 | |

* | Natural gas power plant | Salem et al. 2011 Salem Harbor Power Station Site Assessment Study | Massachusetts: Natural gas power plant (2011) | 3541666.67 | $MA 2011 / acre | Assume costs are $170 million from page 64. The demolition cite is 48 acres (page 63). Thus cost per acre is $170 million / 48 acres. |

Natural gas power plant | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Natural gas power plant (2015) | 1.98 | $NYC 2015 / ft2 | Factory 2 Story, 20,000 sq. ft. High Costs, NYC 2015 | |

* | Oak hickory forest | Homewyse 2015 Cost to Grade Lot | Upper West Side: Oak hickory forest (2015) | 4.35 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) |

* | Office building | HR&A Advisors 2013 Cost to Rehab | New York City: Office building (2013) | 20 | $NYC 2013 / ft2 | Assumed same costs as for housing from above reference, page 19. |

Office building | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Office building (2015) | 1.49 | $NYC 2015 / ft2 | 4-7 story office, 40,000 sq feet, NYC | |

* | Orchard | Homewyse 2015 Cost to Grade Lot | Upper West Side: Orchard (2015) | 4.35 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) |

* | Ornamental garden | Homewyse 2015 Cost to Grade Lot | Upper West Side: Ornamental garden (2015) | 2.41 | $NYC 2015 / ft2 | Assumed low value for 10,000 square feet, zip code 10024, 2015 |

* | Parking lot | Homewyse 2015 Cost to Grade Lot | Upper West Side: Parking lot (2015) | 4.35 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) |

* | Park savanna | Homewyse 2015 Cost to Grade Lot | Upper West Side: Park savanna (2015) | 4.35 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) |

* | Paved ball field/court | Homewyse 2015 Cost to Grade Lot | Upper West Side: Paved ball field/court (2015) | 4.35 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) |

* | Pedestrian bridge | Florida Department of Transportation, 2014, Bridge Costs | Florida: Pedestrian bridge (2014) | 35 | $FL 2014 / ft2 | Assumed low end of bridge demolition cost. |

* | Pedestrian street / plaza | Homewyse 2015 Cost to Grade Lot | Upper West Side: Pedestrian street / plaza (2015) | 4.35 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) |

* | Permeable pavers | Assumed | New York City: Urban Area () | 0 | $NYC 2015 / ft2 | Assume nothing to demolish. Costs are part of cost to build. |

* | Photovoltaic panels | Assumed | New York City: Urban Area () | 0 | $NYC 2015 / ft2 | Assumed to be part of general demo. costs |

* | Pier | Port of Tacoma 2015 Pier Removal | Tacoma: Pier (2015) | 97.17 | $WA 2015 / ft2 | Average of bid ranges used ($12,500,000 to $13,500,000) divided by square footage of pier 133,780. |

* | Pond | Weidle Corp. 2015 Sand Price List | Ohio: Pond (2015) | 9.18 | $NYC 2015 / ft2 | Assume pond is 100' wide x 100' long x 10' deep, for a total volume = 100,000 cubic feet or 3704 cubic yards. Assume pond is filled with "Fill Sand/Sandy 9s," at $6.50 per ton). According to above reference, 1 cubic yard =1.5 tons. Thus total purchase price of sand is (3704*1.5)*$6.50)=$36,111. The pond area is assumed to be 10,000 square feet, thus giving a cost of $3.61 per square foot. This value is then adjusted to NYC costs from RSMeans (2013), using the value of 1.378956=(1.31/0.95) to give a NYC cost of $4.98 per square foot. To this number $4.20 is added, as this is the estimated average cost to grade a 10,000 square foot lot in New York City (10024) (see Homewyse 2015). |

* | Public assembly hall | HR&A Advisors 2013 Cost to Rehab | New York City: Public assembly hall (2013) | 20 | $NYC 2013 / ft2 | Assume same cost as housing as given on page 19 in above reference. |

Public assembly hall | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Public assembly hall (2015) | 1.99 | $NYC 2015 / ft2 | Indoor Arena, 50,000 sq. ft, NYC 2015 | |

Puddles on hardtops | NULL REFERENCE | NULL REFERENCE LOCATON: NULL ECOSYSTEM (NULL STUDY PERIOD) | None | DUMMY UNIT | ||

* | Restaurant | HR&A Advisors 2013 Cost to Rehab | New York City: Restaurant (2013) | 20 | $NYC 2013 / ft2 | Assume same costs as housing as given on page 19 in above reference. |

Restaurant | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Restaurant (2015) | 2.24 | $NYC 2015 / ft2 | Restaurant, 10,000 sq. ft., NYC | |

* | Retail building | HR&A Advisors 2013 Cost to Rehab | New York City: Retail building (2013) | 20 | $NYC 2013 / ft2 | |

Retail building | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Retail (2015) | 1.62 | $NYC 2015 / ft2 | Retail Store, 50,000 sq. feet, NYC | |

* | School or university | HR&A Advisors 2013 Cost to Rehab | New York City: School or university (2013) | 20 | $NYC 2013 / ft2 | Assume same costs to demolish housing as given on page 19. |

School or university | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: School or university (2015) | 2.09 | $NYC 2015 / ft2 | High School & Gym, 50,000 sq. ft. NYC | |

* | Sewage treatment plant | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Sewage treatment plant (2015) | 1.37 | $NYC 2015 / ft2 | Factory 1 Story, 50,000 sq. feet, NYC 2015 |

* | Shrub land | Homewyse 2015 Cost to Grade Lot | Upper West Side: Shrub land (2015) | 4.35 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) |

* | Sidewalk | Homewyse 2015 Cost to Grade Lot | Upper West Side: Sidewalk (2015) | 4.35 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) |

* | Single family home | b2-Consultants LLC 2015 Wood Frame Building Demolition | United States: Single family home (2015) | 8.16 | $US 2015 / ft2 | reference gives square foot costs. |

Single family home | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Single family home (2015) | 0.97 | $NYC 2015 / ft2 | Apartment 1-3 Story, 2000 sq feet., NYC 2015 | |

* | Solar energy facility | Maryland Solar 2013 Maryland Solar Project Facility Decommissioning Plan | Maryland: Solar energy facility (2013) | 7500 | $MD 2013 / acre | In above reference it will cost $2.1 million (Appendix B) to decommission a solar power facility on 280 acres (p. 2). This gives a cost of $7500 per acre. |

Solar energy facility | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Solar energy facility (2015) | 1.98 | $NYC 2015 / ft2 | Factory 2 Story, 20,000 sq. ft. High Costs, NYC 2015 | |

* | Solar heating panels | Assumed | New York City: Urban Area () | 0 | $NYC 2015 / ft2 | Assumed to be included in general demo. costs. |

* | Solid waste transfer plant | HR&A Advisors 2013 Cost to Rehab | New York City: Solid waste transfer plant (2013) | 20 | $NYC 2013 / ft2 | Assume same cost as housing as given on page 19 in the above reference. |

Solid waste transfer plant | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Solid waste transfer plant (2015) | 1.98 | $NYC 2015 / ft2 | Factory 2 Story, 20,000 sq. ft., High Costs, NYC 2015 | |

* | Stadium | DEMCO 2010 Yankee Stadium Demolition | New York City: Stadium (2010) | 15.38 | $NYC 2010 / ft2 | According to above reference, the old Yankee Stadium cost $20 million to demolish in 2009/10. The New Yankee stadium is approximately 1.3 million sq. feet (see Tishman Speyer 2015). Assuming the old Yankee Stadium has the same gross floor area, this gives $20 million / 1.3 million square feet = $15.38 per square foot. |

Stadium | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Stadium (2015) | 1.64 | $NYC 2015 / ft2 | outdoor arena, 660,000 square feet (sames Barclay Center as listed in PLUTO), NYC 2015 | |

* | Stream | Weidle Corp. 2015 Sand Price List | Ohio: Stream (2015) | 4.9 | $NYC 2015 / ft2 | Assume stream is 100' long x 10 feet wide' x 1' deep, for total volume = 1,000 cubic feet or 37 cubic yards. Assume stream is filled with "Fill Sand/Sandy 9s," at $6.50 per ton). According to above reference, 1 cubic yard =1.5 tons. Thus total purchase price of sand is (37*1.5)*$6.50)=$361. The strea area is assumed to be 1,000 square feet, thus giving a cost of $.36 per square foot. This value is then adjusted to NYC costs from RSMeans (2013), using the value of 1.378956=(1.31/0.95) to give a NYC cost of $0.50 per square foot. To this number $4.40 is added, as this is the estimated average cost to grade a 1,000 square foot lot in New York City (10024) (see Homewyse 2015). |

* | Streetcar line | b2-Consultants LLC 2015 Railroad Track Removal | United States: Streetcar line (2015) | 9.05 | $US 2015 / foot of railway | US Average per linear foot, 2015 |

* | Street (collector) | Homewyse 2015 Cost to Grade Lot | Upper West Side: Street (collector) (2015) | 4.35 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) |

* | Street trees | Homewyse 2015 Cost to Grade Lot | Upper West Side: Street trees (2015) | 4.35 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) |

* | Subway | Weidle Corp. 2015 Sand Price List | Ohio: Subway (2015) | 14.2 | $NYC 2015 / ft2 | Assume subway tunnel is 50' wide x 100' long x 20' deep, for a total volume = 100,000 cubic feet or 3704 cubic yards. Assume the tunnel is filled with "Fill Sand/Sandy 9s," at $6.50 per ton). According to above reference, 1 cubic yard =1.5 tons. Thus total purchase price of sand is (3704*1.5)*$6.50)=$36,111. The tunnel area is assumed to be 5,000 square feet, thus giving a cost of $7.22 per square foot. This value is then adjusted to NYC costs from RSMeans (2013), using the value of 1.378956=(1.31/0.95) to give a NYC cost of $9.96 per square foot. To this number $4.22 is added, as this is the estimated average cost to grade a 5,000 square foot lot in New York City (10024) (see Homewyse 2015). |

* | Swimming pool | Homewyse 2015 Cost to Remove Pool | Upper West Side: Swimming pool (2015) | 21.69 | $NYC 2015 / ft2 | Pool removal costs are given in cubic years. Assumption is that pool is 15' x 30' x 5' =2250 cubic feet= 83.3 cubic yards. Price given is created by first calculating average cost per cubic yard ($117.15), from high cost ($168.65) and low cost ($65.65). This gives a total pool removal cost of $9761. This price is then divided by 15' x 30' (450 square feet) to get the price per square foot. |

* | Tidal energy facility | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Tidal energy facility (2015) | 1.98 | $NYC 2015 / ft2 | Factory 2 Story, 20,000 sq. ft, High Costs, NYC 2015 |

* | Traffic slowed street | Homewyse 2015 Cost to Grade Lot | Upper West Side: Traffic slowed street (2015) | 4.35 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) |

* | Trail | Homewyse 2015 Cost to Grade Lot | Upper West Side: Trail (2015) | 4.35 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) |

* | Tunnel | Weidle Corp. 2015 Sand Price List | Ohio: Tunnel (2015) | 14.16 | $NYC 2015 / ft2 | Assume tunnel is 50' wide x 100' long x 20' deep, for a total volume = 100,000 cubic feet or 3704 cubic yards. Assume the tunnel is filled with "Fill Sand/Sandy 9s," at $6.50 per ton). According to above reference, 1 cubic yard =1.5 tons. Thus total purchase price of sand is (3704*1.5)*$6.50)=$36,111. The tunnel area is assumed to be 5,000 square feet, thus giving a cost of $7.22 per square foot. This value is then adjusted to NYC costs from RSMeans (2013), using the value of 1.378956=(1.31/0.95) to give a NYC cost of $9.96 per square foot. To this number $4.22 is added, as this is the estimated average cost to grade a 5,000 square foot lot in New York City (10024) (see Homewyse 2015). |

* | Utility yard | Homewyse 2015 Cost to Grade Lot | Upper West Side: Utility yard (2015) | 4.35 | $NYC 2015 / ft2 | Zipcode 10024, 1000 square feet, Avg of Low ($2.55) and High ($6.15) |

* | Warehouse | Mavrogenes, H. S. 2004 Bellevue Ave Demolition Project | California: Warehouse (2004) | 2.5 | $CA 2004 / ft2 | Reference lists low bidder for abatement cost as $62,883 and low bidder for demo costs as $126,780 for total cost of $189,663. The warehouses are 76,000 square feet of land. This gives $189,663/76,000 = $2.50 per square foot of land, where warehouse square footage is assumed to be same as land square footage. |

Warehouse | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Warehouse (2015) | 0.74 | $NYC 2015 / ft2 | Warehouse, 100,000 sq. feet, NYC | |

* | Waste energy power plant | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Waste energy power plant (2015) | 1.37 | $NYC 2015 / ft2 | Factory 1 Story, 50,000 sq. feet, NYC 2015 |

* | Water treatment plant | BuildingJournal.com 2015 Demolition Cost Calculator | New York City: Water treatment plant (2015) | 1.37 | $NYC 2015 / ft2 | Factory 1 Story, 50,000 sq. feet, NYC 2015 |

* | Water/wastewater storage tank | Assumed | New York City: Urban Area () | 0 | $NYC 2015 / ft2 | Assumed to part of demolished structure. |

* | Wind farm | Energy Ventures Analysis 2015 Decommissiong Estimate | Illinois: Wind farm (2014) | 0.064296 | $IL 2014 / ft2 | Decommissioning cost per turbine from EVA Exhibit 1 ($103,627). Assumed 37 acres per turbine, which gives 0.027 windmills per acre. Cost per acre = $103627/ 37 = $2800.72 per acre; Cost per square foot = $0.064296 =$2800.72/43560. |