sydney-city-centre-review-of-environmental-factors

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6.13.2 Existing environment Greenhouse gas The Australian Department of Climate Change and Energy Efficiency estimates that NSW produced 157 million tonnes of carbon dioxide equivalent (tCO 2 -e) in 2010, 22 million tCO 2 -e (14 per cent) of which was from the transport sector. Climate change in NSW Global climate change predictions vary across the scientific community. There is however broad consensus that ‘extreme events’ will become more frequent 7 over time, leading to more prolonged dry periods, heavier more-intense rainfall, higher winds, and more extreme (hot and cold) temperatures. In addition, a general warming in global temperatures is predicted, which could see temperatures increase locally by 0.2 to1.6 degrees Celsius (°C) on average by 2030. Roads and Maritime’s climate change adaptation plan is to build climate change resilience into the road infrastructure to prevent flooding, improve runoff and drainage, improve asphalt durability against temperature extremes, ensure winddamage protection and provide pedestrian shading. 6.13.3 Potential impacts Greenhouse gas construction impacts Greenhouse gas emissions would result from the following activities: Construction traffic and equipment emissions Existing road traffic emissions, which would marginally increase during construction for the reasons described above in section 6.12.3 Emissions generated in producing construction materials (termed embodied energy) Electricity-generated emissions in response to the power requirements to service work site requirements Upstream and downstream lifecycle emissions (eg. fuel extraction, processing, production, transport, disposal) including emissions at the construction compounds/laydown areas Emissions resulting from the breakdown of cleared vegetation. The proposal is of a scale that would only generate minor greenhouse gas emissions from the above sources over a short construction period. Consequently, the emissions have not been quantified suffice to note that the proposal would have negligible contribution to the State’s annual greenhouse gas emissions. The greatest contribution, which would be likely to be over half of the total emissions, would come from the embodied energy associated with the energy-intensive production of the concrete, asphalt and other construction materials needed for the proposal, as concluded by referring to the quantified assessments undertaken for similar road-development projects. This percentage and the overall emissions generated by the proposal may decrease by using a higher proportion of recycled materials as proposed under section 6.14.4. 7 Hennessey et al, 2004a and Hennessey et al, 2004b Sydney City Centre Capacity Improvement 403 Review of Environmental Factors
Climate change construction impacts Extreme weather events could affect the construction works. The most notable impact would be as a result of localised flooding, which is specifically considered in section 6.7.2 and the potential to work during other adverse weather events (eg extreme heat, wind storms). Greenhouse gas operational impacts As noted in section 6.1.2, parts of the city centre road network are at or near capacity. Consequently, whilst traffic capacity improvements would locally improve traffic flows and affect traffic numbers along certain sections of road, overall there would be no wide-spread net change in under this proposal. There are few proposed operational changes that could alter electricity consumption requirements. In all circumstances lighting and signals would be retained. Also, any net changes in electricity consumption for electrical or lit signage would be negligible. Finally, the proposal would fall under a wider city centre roads maintenance program, which currently operates along these roads, thus the proposal would have a neutral operational impact. Collectively, there would be no operational modifications that would result in a net change to greenhouse gas emissions from this proposal in isolation. However, the proposal would support implementation of the other Access Strategy projects (refer to section 1.2). An objective of these projects is to produce a modal shift to public transport and cycling. Consequently, the proposal would indirectly support a reduction in greenhouse gas emissions by assist implementation of these projects. Climate change operational impacts The proposal would be affected by any extreme weather events that would occur over its operational life; the duration, frequency and intensity of which may increase as described above. During detailed design, consideration would be given to using the proposal as a means to adapt the existing road conditions to better respond to potential climate change impacts. 6.13.4 Safeguards and management measures Table 6-63 lists the greenhouse gas and climate change safeguards and management measures that would be implemented to address the impacts identified above in section 6.13.3. Table 6-63 Greenhouse gas and climate change safeguards and management measures Impact Environmental safeguard Responsibility Timing Manage and reduce fuel consumption Use low embodied energy materials Consider using biofuels or lower emission fuels during construction (eg e10). Purchase materials with low embodied energies where practical in accordance with Road and Maritime purchasing Construction contractor Construction contractor Construction Construction Sydney City Centre Capacity Improvement 404 Review of Environmental Factors
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Sydney City Centre Capacity Improve
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Executive summary The proposal Road
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the proposed Sydney City Centre Cyc
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The REF concludes that the proposal
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Effect Affected factors/receivers L
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Effect Temporary light spill impact
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maintenance of traffic flows in the
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What happens next? Following the su
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6.7 Water quality and hydrology ...
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If approved, the proposal would tak
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In doing so, the REF helps fulfil t
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2 Need and options considered This
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NSW Long Term Transport Master Plan
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2.2 Existing road and public transp
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Road Sussex Street between King Str
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Road Precinct 4: college Wentworth
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Bus stop hubs located at Circular Q
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With these allocations set, Transpo
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2.4.2 Identified proposal options P
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Precinct 2: retail Precinct 2: reta
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Precinct 3: southern Precinct 3: so
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Precinct 4: college Precinct 4: col
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NW2: King Street (two options) Traf
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Amenity All three options reallocat
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Amenity At present, buses cannot re
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Summary Table 2-6 ‘Option b’ an
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Amenity Kerbside use Business impac
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Table 2-7 Analysis of options in pr
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Amenity Kerbside use Business impac
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3 Description of the proposal The p
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Work site reference Section Start a
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Table 3-2 Typical traffic capacity
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Typical improvement (with example)
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Sussex Street to Kent Street Sussex
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George Street to Pitt Street York S
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Kent Street intersection Pitt Stree
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Pitt Street to Castlereagh Street G
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Margaret Street to Erskine Street J
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Market Street intersection King Str
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Liverpool Street to Eager Lane Jame
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Hay Street to Rawson Place Goulburn
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Abercrombie Street intersection Ref
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Ref (refer Fig 3-10 to 3-16) Propos
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Wemyss Lane to Goulburn Street Ref
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Macquarie Street intersection Campb
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Park Street to Oxford Street Prince
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3.2 Design The proposal’s concept
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Table 3-9 Engineering and developme
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3.3 Construction activities The lik
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Table 3-10 Plant and equipment - in
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These materials are widely availabl
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Once the work is complete on site,
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3.6 Public utility and drainage adj
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Traffic capacity improvement Precin
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Traffic capacity improvement Locati
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4.1.3 Darling Harbour Development P
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The adopted urban design principles
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Principles and objectives Consisten
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Principles and objectives Prot
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Roads and Maritime is, however, req
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The one adverse outcome to deliveri
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5.1.2 Stakeholder engagement Roads
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The detailed design would also be d
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Traffic modelling and monitoring da
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Bus infrastructure There is an exte
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Cars, buses and other vehicles Over
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Level of Service (LoS) Maximum queu
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Work site location Precinct 4: coll
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Section G: York Street intersection
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Section Precinct 4: college C1: Wen
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Location and type of work (refer to
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with the proposed changes under the
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Loading zones Mobility parking spac
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Table 6-8 describes the temporary o
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Location J: George Street to Pitt S
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Location H: Hay Street to Rawson Pl
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As can be seen from Table 6-8, ther
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Table 6-9 Altered footpaths and ped
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Section D: Abercrombie Street inter
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Loading zones Mobility parking spac
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Table F-2 in Appendix F provides fu
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Level of Service (LoS) Maximum queu
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The above table demonstrates the va
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Impact Environmental safeguard Resp
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Table 6-13 Construction noise manag
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The applicable human comfort vibrat
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where the corresponding noise impac
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The modelling predicted the constru
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Work site Receiver type NML for the
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Work site Receiver type NML for the
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The highest predicted noise impacts
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Work site Precinct 3: southern Pred
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Post World War II, Sydney enhanced
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Table 6-21 Heritage listed items It
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Item name Section Location Signific
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Item name Section Location Signific
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Item name Area of archaeology poten
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Item name 21 Former value and item
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Item name Works with potential heri
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Item name R2 Market Street Works wi
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Item name 3 Pinnacle House 5 Commer
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Item name Precinct 3: southern S3:
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Item name F2: Macquarie Street Work
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Lighting pole relocation General si
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Reference Potential archaeological
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The above summary reflects that the
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6.4.2 Existing environment Populati
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Social infrastructure Cultural and
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Social infrastructure - constructio
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Table 6-27 Annual events potentiall
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Table 6-28 Location specific potent
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Work site Construction activities I
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Socioeconomic impacts during operat
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The improvements to connectivity an
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Work site D: Kent Street to Clarenc
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Work site D: Clarence Street to Yor
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Work site F: Erskine Street to Barr
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Work site F: Liverpool Street to Ea
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Work site C: Wattle Street intersec
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Work site D: Wemyss Lane to Goulbur
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Work site F: Park Street to Oxford
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Method and assessment criteria The
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General land use character General
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Development precinct Precinct 1: re
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Property Roadside property Table 6-
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Future land uses and development pr
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Rubbish bins Water fountains City m
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6.6.2 Existing environment Landscap
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Landscape character zone Overview d
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Tree characteristics The city centr
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Table 6-41 Registered significant t
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· Cafés, restaurants, hotels and
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Location Receiver * Items marked wi
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Table 6-43 Temporary construction l
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Work site Section Receiver F1: Macq
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Page 373 and 374: Table 6-46 Tree pruning and removal
Page 375 and 376: Turning restrictions and provisions
Page 377 and 378: Work site Section Visual receiver R
Page 379 and 380: Impact Environmental safeguard Resp
Page 383 and 384: Despite this, Sydney Harbour suppor
Page 385 and 386: The proposal footprint is located a
Page 387 and 388: Flood risk The proposal footprint h
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Page 393 and 394: Acid sulphate soils Acid sulphate s
Page 395 and 396: Contaminated land (records) No site
Page 397 and 398: Geology and soil impacts during ope
Page 399 and 400: Biodiversity Guidelines: Protecting
Page 401 and 402: Table 6-56 Statutorily protected bi
Page 405 and 406: 6.10.2 Potential impacts Waste gene
Page 407 and 408: In addition, the contractor(s) woul
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Page 413 and 414: Affected roads There are no screeni
Page 415 and 416: Air quality sensitive receivers The
Page 417 and 418: the roads covered by the proposal f
Page 419: Greenhouse Gas Assessment Workbook
Page 423 and 424: 6.14 Hazard and risk This section a
Page 425 and 426: Hazard Potential consequence Key se
Page 429 and 430: 6.15.2 Other committed and/or appro
Page 431 and 432: Project Description Location and in
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Page 435 and 436: Table 6-68 Potential cumulative imp
Page 437 and 438: Cumulative effect Disruption to pub
Page 439 and 440: Cumulative effect Key issues
Page 441 and 442: Cumulative effect Key issues Street
Page 443 and 444: Table 6-69 Potential cumulative eff
Page 445 and 446: 6.15.4 Safeguards and management me
Page 447 and 448: Effect Affected factors/receivers L
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Page 451 and 452: 7 Environmental management This cha
Page 453 and 454: No Impact Environmental safeguard R
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No Impact Environmental safeguard R
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8 Conclusion This chapter provides
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Object environment. 5(a)(ii) To enc
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8.3 Ecologically sustainable develo
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8.3.4 Improved valuation, pricing a
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9 Certification This review of envi
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City of Sydney Council, Sydney City
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NSW EPA 1997c, Waste Reduction and
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factors-june-2014.pdf, accessed: 2/
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ISEPP State Environmental Planning
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