Environment data sheet

Abbreviations used CL: CityLink, M2: Hills M2, LCT: Lane Cove Tunnel, ED: Eastern Distributor, CCT: Cross City Tunnel, M5: M5 Southwest, M7: Westlink M7, GM: Gateway Motorway, LM: Logan Motorway, GBB: Go Between Bridge, CLEM7: CLEM7, LW: Legacy Way, APL: AirportLink, 495: 495 Express Lanes, 95: 95 Express Lanes, CTW: CityLink Tulla Widening (CityLink upgrade under construction), NCX: NorthConnex (new asset under construction), GUN: Gateway Upgrade North (public asset upgrade under construction).

Asset scope

Transurban includes information in its Sustainability Report about all assets and projects in which it holds an interest (Table 1). For the purpose of some environmental metrics and targets in the body of the report, we limit the scope of some reporting to assets under Transurban financial control (Table 2).

Not relevant to the Sustainability Report but provided for transparency, there are also some assets financially controlled by Transurban but over which contractors hold day-to-day ‘operational control’ of the assets (Table 3). The concept of operational control is also important to some Australian regulatory reporting (Table 4).

The tables below show an outline of different ownership, operational and reporting considerations for different assets.

Table 1. Transurban has interests in 15 toll roads and a number of development projects. Roads and construction projects active during FY16 are shown below by location. Other projects were in development but not construction in FY16.

 

Roads in FY16

Construction projects

Asset

(region)

CL

(VIC)

M2

(NSW)

LCT

(NSW)

ED

(NSW)

CCT

(NSW)

M5

(NSW)

M7

(NSW)

GM

(QLD)

LM

(QLD)

GBB

(QLD)

CLEM7

(QLD)

LW

(QLD)

APL

(QLD)

495

(USA)

95

(USA)

CTW

(VIC)

NCX

(NSW)

GUN

(QLD)

 

Table 2. In the FY16 Sustainability Report, many key environmental metrics and targets are focused on assets over which Transurban has financial control (>50% ownership) and the greatest ability to drive improvement.

 

Transurban financial control (% ownership) in FY16

Investment

Construction projects

Asset

(%)

CL

(100%)

M2

(100%)

LCT

(100%)

ED

(75.1%)

CCT

(100%)

GM

(62.5%)

LM

(62.5%)

GBB

(62.5%)

CLEM7

(62.5%)

LW

(62.5%)

APL

(62.5%)

495

(100%)

95

(100%)

M5

(50%)

M7

(50%)

CTW

 

NCX

 

GUN

 

 

Table 3. Some assets over which Transurban has financial control are operated by major contractors that have authority over day-to-day operations. This is defined below based on the guideline of the NGER Act (see Table 4)

 

Transurban operational control in FY16

Contractor or other entity operational control in FY16

Asset

CL

M2

LCT

ED

CCT

GM

LM

GBB

495

95

CLEM7

LW

APL

M5

M7

CTW

NCX

GUN

 

Table 4. Separate to the Sustainability Report, Transurban reports energy and greenhouse gas emissions data under the Australian National Greenhouse and Energy Reporting (NGER) Act at the end of October each year.

 

Reported under NGER regulations for FY16

Not reported under NGER regulations for FY16

Asset

CL

M2

LCT

ED

CCT

GM

LM

GBB

495

95

CLEM7

LW

APL

M5

M7

CTW

NCX

GUN


GHG Emissions

 

UNIT

FY14

FY15

FY16

FY16*

Total direct and indirect GHG emissions

tonnes CO2-e

121,463

115,815

121,899

113,264

Total Scope 1 & 2

tonnes CO2-e

57,202

96,110

101,822

95,348

Scope 1

tonnes CO2-e

149

1,944

2,442

2,020

Scope 2

tonnes CO2-e

57,053

94,166

99,380

93,328

Scope 3#

tonnes CO2-e

64,261

19,705

20,077

17,916

Customer travel emissions

tonnes CO2-e

703,149

1,685,752

1,795,325

1,231,750

* M5 and M7 excluded from Transurban’s ’10-in-10’ targets and totals for energy and emissions

# Scope 3 emissions include upstream impacts of fuel and electricity supply, fugitive emissions from landfill waste, and Transurban corporate air travel. Due to large variations each year in waste quantities depending on major works (and also potential for incompleteness of waste data), calculated Scope 3 emissions may fluctuate significantly year-on-year. Scope 1 and 2 emissions are considered a better representation of Transurban’s corporate emissions profile.

FY16 ONLY

UNIT

CL

M2

LCT

ED

CCT

M5*

M7*

GM

LM

GBB

CLEM7

LW

495

95

Off.

Total

Total*

Total direct and indirect GHG emissions

tonnes CO2-e

32,400

3,848

21,169

7,327

11,946

1,961

6,674

4,964

786

95

11,789

12,661

1,617

847

3,816

121,899

113,264

Total Scope 1 & 2

tonnes CO2-e

26,501

3,373

18,433

6,399

10,430

1,187

5,288

4,270

666

81

10,019

10,849

1,442

736

2,148

101,822

95,348

Scope 1

tonnes CO2-e

601

170

134

130

55

72

350

241

82

5

1

139

195

195

73

2,442

2,020

Scope 2

tonnes CO2-e

25,900

3,203

18,299

6,269

10,375

1,115

4,937

4,029

584

76

10,018

10,711

1,247

542

2,075

99,380

93,328

Scope 3

tonnes CO2-e

5,899

475

2,736

928

1,517

774

1,386

694

119

14

1,771

1,811

176

111

1,667

20,077

17,916

Customer travel emissions

tonnes CO2-e

265,470

191,202

24,968

46,827

8,329

221,452

342,123

316,085

233,480

744

16,049

8,412

35,060

85,125

NA

1,795,325

1,231,750

* M5 and M7 excluded from Transurban’s ’10-in-10’ targets and totals for energy and emissions

Energy Consumption

 

UNIT

FY14

FY15

FY16

FY16*

Total energy consumption

GJ

221,849

403,516

447,792

415,829

Direct- Fuel

GJ

2,371

28,180

35,278

29,251

Natural gas

GJ

821

599

558

558

Petrol

GJ

1,029

15,523

5,196

4,375

Diesel

GJ

509

11,813

27,476

22,271

LPG

GJ

12

245

2,047

2,047

Indirect- Electricity

GJ

219,478

375,336

412,515

386,577

Grid electricity

GJ

210,619

363,222

400,251

374,313

Solar and GreenPower

GJ

8,859

12,114

12,264

12,264

* M5 and M7 excluded from Transurban’s ’10-in-10’ targets and totals for energy and emissions

 

FY16 ONLY

UNIT

CL

M2

LCT

ED

CCT

M5*

M7*

GM

LM

GBB

CLEM7

LW

495

95

Off.

Total

Total*

Total energy consumption

GJ

91,984

16,145

80,327

28,892

45,536

5,828

26,136

21,787

3,830

416

45,668

50,789

13,484

7,516

9,456

447,792

415,829

Direct- Fuel

GJ

8,733

2,418

1,903

1,838

774

1,051

4,976

3,427

1,168

68

19

1,982

2,932

2,932

1,059

35,278

29,251

Natural gas

GJ

518

0

0

0

0

0

0

0

0

0

0

40

0

0

0

558

558

Petrol

GJ

1,709

130

130

0

0

665

156

200

32

0

0

13

823

823

515

5,196

4,375

Diesel

GJ

6,505

2,274

1,759

1,838

774

385

4,820

3,228

1,136

68

19

1,927

1,101

1,101

543

27,476

22,271

LPG

GJ

1

14

14

0

0

0

0

0

0

0

0

2

1,008

1,008

0

2,047

2,047

Indirect- Electricity

GJ

83,251

13,726

78,424

27,054

44,762

4,777

21,160

18,360

2,662

348

45,650

48,808

10,552

4,584

8,397

412,515

386,577

Grid

GJ

83,251

13,726

69,013

26,869

42,094

4,777

21,160

18,360

2,662

348

45,650

48,808

10,552

4,584

8,397

400,251

374,313

Solar and GreenPower

GJ

0

0

9,411

185

2,668

0

0

0

0

0

0

0

0

0

0

12,264

12,264

* M5 and M7 excluded from Transurban’s ’10-in-10’ targets and totals for energy and emissions

Significant Air Emissions

Air emissions data reflects customer vehicle emissions extracted by tunnel ventilation systems.

CityLink

UNIT

FY14

FY15

FY16

NOx (oxides of nitrogen)

tonnes

105

106

111

CO (carbon monoxide)

tonnes

223

214

224

PM10 (fine particles <-10 microns)

tonnes

6

6

6

VOC (volatile organic compounds)

tonnes

4

4

4

Lane Cove Tunnel

UNIT

FY14

FY15

FY16

NOx (oxides of nitrogen)

tonnes

46

52

54

CO (carbon monoxide)

tonnes

91

98

96

PM10 (fine particles <-10 microns)

tonnes

2

2

2

VOC (volatile organic compounds)

tonnes

44

47

49

Cross City Tunnel*

UNIT

FY14

FY15

FY16

NOx (oxides of nitrogen)

tonnes

NA

2.15

2.64

CO (carbon monoxide)

tonnes

NA

8.28

9.71

PM10 (fine particles <-10 microns)

tonnes

NA

0.31

0.31

VOC (volatile organic compounds)

tonnes

NA

0.43

1.51

* Cross City Tunnel air quality reporting is based on April 2015 to March 2016 data

The three tunnels above have regulatory requirements for total air emissions load (total tonnes emitted) as well as in-tunnel air quality. Total air emissions load for these three tunnels for FY16 was 168 tonnes NOx, 329 tonnes CO, 8 tonnes PM10 and 55 tonnes PM2.5.

Queensland tunnel assets CLEM7, Legacy Way and AirportLinkM7 also have exhaust ventilation systems. In-tunnel air quality as well as ambient air quality monitoring at nearby locations is undertaken and reported on the go via network website: https://govianetwork.com.au/sustainability/air-quality-reports-2/. It has not been reported in the same format above since it is concentration-based air quality data (e.g. ppm) rather than total air emissions load (e.g. tonnes).

Hills M2 and Eastern Distributor assets also feature shorter tunnel or enclosed sections that do not require the same extent of air quality management as longer tunnels. 

Water Consumption

Potable water use

UNIT

FY14

FY15

FY16

CityLink

m3

10,100

13,651

15,004

Hills M2

m3

3,690*

422

423

Lane Cove Tunnel

m3

596

451

592

Eastern Distributor

m3

691

724

724

Cross City Tunnel

m3

n/a

1,857

2,706

M5 Southwest

m3

4,676*

2,076

2,076

Westlink M7

m3

n/a

n/a

n/a

Gateway

m3

n/a

n/a

130

Logan

m3

n/a

n/a

GBB

m3

n/a

n/a

n/a

CLEM7

m3

n/a

1,070

1,070

Legacy

m3

n/a

n/a

8,165

495 Express Lanes

m3

776

530

530

95 Express Lanes

m3

n/a

204

204

Corporate offices

m3

546

1,675

1,675

TOTAL

m3

21,075

22,660

33,298

* Includes water usage on upgrade projects that were reported in previous Sustainability Reports
Estimates used for water usage on some assets based on historical figures.

FY16 ONLY

UNIT

CL

M2

LCT

ED

CCT

M5*

M7*

GM & LM

GBB

CLEM7

LW

495

95

Off.

Total

Potable water

m3

15,004

423

592

724

2,706

2,076

n/a

130

n/a

1,070

8,165

530

204

1,675

33,298

Recycled

m3

175,320

0

0

0

0

0

n/a

0

n/a

0

0

0

0

0

175,320

Total water consumption

m3

190,324

423

592

724

2,706

2,076

0

130

0

1,070

8,165

530

204

1,675

208,618

Groundwater

Groundwater totals are natural leakage that drains into road tunnels. Most of this water is treated by water treatment plants and either returned to aquifers or discharged to waterways.

CityLink

UNIT

FY14

FY15

FY16

Total water withdrawal, of which

m3

223,283

229,392

190,324

Groundwater from tunnels

m3

213,183

215,741

175,320

Total potable water use, of which

m3

10,100

13,651

15,004

Deluge testing in tunnels

m3

572

1,144

1,144

Groundwater recharge*

m3

4,844

6,569

6,606

Irrigation

m3

4,684

5,938

7,254

Volume of water recycled/reused

m3

186,350

188,755

175,320

Percentage of water recycled/reused

m3

83%

82%

92%

Water discharge by destination

UNIT

FY14

FY15

FY16

Total water discharge

m3

223,598

226,061

181,926

Groundwater recharge

m3

191,194

195,324

178,735

Groundwater discharge to Yarra River

m3

26,833

26,986

0

Discharge to sewer

m3

5,571

3,751

3,191

* This figure comprises potable water used to clean the filters at the water treatment plant and additional recharge to the aquifers as required.

Lane Cove Tunnel

UNIT

FY15

FY16

Total water withdrawal, of which

m3

51,151

51,210

Groundwater from tunnels

m3

50,700

50,618

Total potable water use

m3

451

592

Water discharge by destination

UNIT

FY15

FY16

Total water discharge

m3

50,700

50,618

Groundwater discharge to rivers/waterways

m3

50,700

50,618

Cross City Tunnel

UNIT

FY15

FY16

Total water withdrawal, of which

m3

110,724

115,498

Groundwater from tunnels

m3

108,867

112,792

Total potable water use

m3

1,857

2,706

Water discharge by destination

UNIT

FY15

FY16

Total water discharge

m3

108,867

112,792

Groundwater discharge to rivers/waterways

m3

103,607

111,150

Discharge to sewer

m3

5,260

1,642

CLEM7

UNIT

FY15

FY16

Total water withdrawal, of which

m3

51,280

47,081

Groundwater from tunnels

m3

50,210

46,011

Total potable water use

m3

1,070

1,070

Water discharge by destination

UNIT

FY15

FY16

Total water discharge

m3

50,210

46,011

Groundwater discharge to rivers/waterways

m3

50,210

46,011

Legacy Way

UNIT

FY16

Total water withdrawal, of which

m3

109,080

Groundwater from tunnels

m3

100,915

Total potable water use

m3

8,165

Water discharge by destination

UNIT

FY16

Total water discharge

m3

100,915

Groundwater discharge to rivers/waterways

m3

100,915


Waste and Recycling

 

UNIT

FY14

FY15

FY16

Total waste by disposal method:

tonnes

40,583

3,389

2,326

Landscaping

tonnes

719

171

n/a

Landfill

tonnes

1,700

2,298

2,167

Recycled

tonnes

38,165

920

160

FY16 ONLY

UNIT

CL

M2

LCT

ED

CCT

M5*

M7*

GM

LM

GBB

CLEM7

LW

495

95

Off.*

Total

Total waste by disposal method:

tonnes

1,244

5

56

9

10

266

288

11

11

1

67

36

22

22

278

2,326

Landscaping

tonnes

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

n/a

Landfill Tonnes

tonnes

1,244

4

50

8

9

266

288

8

8

1

53

18

22

22

165

2,167

Recycled Tonnes

tonnes

0

2

5

1

1

n/a

n/a

3

3

0

14

18

n/a

n/a

113

160

* Office waste totals include some actual data and some estimation based on waste audits. Recycled waste for corporate offices include recycled paper, organic waste and commingled recyclables.

E-TAG DISPOSAL MANAGEMENT

FY14

FY15

FY16

e-TAGs issued - CityLink, Roam and Roam Express

290,931

604,680

752,719

e-TAGs recycled - CityLink, Roam and Roam Express

109,892

179,746

190,574

e-TAGs that are returned by customers and found to not be working are returned to our supplier for proper disposal. The tags are dismantled into their separate components and are recycled or disposed of as appropriate.

Notes

Transurban is reporting environmental data on all operational assets above. Construction projects CityLink Tulla Widening, NorthConnex and Gateway Upgrade North are under contractor control during Design and Construct contracts. Transurban collects data on these assets but has not included this in the data tables above in order to better show steady-state operational trends. AirportLinkM7 was acquired by Transurban in April 2016 and is fully operational, but has not been included in our FY16 data. It will be included from FY17.

Discrepancies in totals may be due to rounding.

Abbreviations CL: CityLink, M2: Hills M2, LCT: Lane Cove Tunnel, ED: Eastern Distributor, CCT: Cross City Tunnel, M5: M5 Southwest, M7: Westlink M7, GM: Gateway Motorway, LM: Logan Motorway, GBB: Go Between Bridge, CLEM7: CLEM7, LW: Legacy Way, APL: AirportLink, 495: 495 Express Lanes, 95: 95 Express Lanes, CTW: CityLink Tulla Widening (CityLink upgrade under construction), NCX: NorthConnex (new asset under construction), GUN: Gateway Upgrade North (public asset upgrade under construction).