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

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Impact Environmental safeguard Responsibility Timing Accidental spillage and sediment-laden runoff across the entire proposal footprint and specifically the higher risk at NW2, R1, R2, R4, R5, S2, S3, S4, S5, S6, C1, C2 & F1 Flood event during construction and associated impacts on water quality (particularly at NW2 R2, R5, S3, S4, C1, F1 and F2) Induct construction workforce on incident management procedures and make them aware of the spill kit locations and the reporting procedures. Prepare a contingency plan for a potential flood event during construction and outline evacuation procedures. The plan would include: Evaluation of what flood event would trigger the plan Evacuation procedures A map indicating the area that is flood prone and the locations where to evacuate. Construction contractor Construction contractor Preconstruction Preconstruction and construction 6.8 Geology and soils This section assesses the proposal’s potential impact on geological and soil values, contaminated land and acid sulphate soils (ASS). This section closely relates to the assessment of potential impacts described in section 6.7. 6.8.1 Method Study area The assessment considered proposal’s impact on the region’s geology and soils. It also considered known and potential contamination and ASS within the locality. Method and assessment criteria The assessment: Identified and described the existing regional geological and soil characteristics by referring to: - 1:100,000 Geological Series Sheet 9130: Sydney, 1983 - 1:100,000 Soil Landscape Series Sheet 9130: Sydney, 1989 - City of Sydney LEP Acid Sulphate Soil mapping, 2012 Confirmed the study area’s contamination potential by referring to: - The EPA’s contaminated land records - Pollution prosecutions and notices issued by the EPA - Historic mapping (various sources, refer references section for detail) - Acid sulphate soil mapping (City of Sydney LEP, 2012 Determined the sensitivity of the subsurface to the changes that would occur as a result of introducing the proposal into the study area Identified associated impacts on the geology, soils or associated receivers due Sydney City Centre Capacity Improvement 373 Review of Environmental Factors
to contamination or the generation of ASS Identified those adverse impacts that would need safeguarding or managing under the proposal. The impact assessment considered the ability for various construction activities to affect geological and soil values either directly or indirectly though migration pathways. Consequently, the assessment considered the value that the geology and soils provides and any change to these to these values as a consequence of the proposal. Exposure, contamination, migration, and change in function or quality were referred to when undertaking the assessment. 6.8.2 Existing environment Regional geology (solid and drift) Three geological units underlie the site. In sequence, they comprise: Quaternary deposits (drift): silty-to-peaty quartz sand, silt and clay Triassic Ashfield shale (drift): located directly on top of eroded Hawkesbury sandstone, comprising black mudstones and grey silty shales with frequent sideritic (iron-rich) clay ironstone bands Triassic Hawkesbury sandstone (solid): medium-to-coarse grained quartz sandstone, very-minor shale and laminate lenses. There are two distinct lenses of quaternary deposits around Ultimo, Haymarket and Chinatown. Surry Hills and Hyde Park are immediately underlain by Ashfield Shale whilst the remainder of the central and northern city centre is immediately underlain by Hawkesbury Sandstone. The majority of the proposal footprint is therefore underlain by Hawkesbury sandstone, with the exception of the locations listed in Table 6-51. Table 6-51 Geological conditions other than Hawkesbury Sandstone Work site Affected intersections/roads Geology All sites All sites excluding the exceptions below Hawkesbury Sandstone S1: Sussex Street G: Goulburn Street intersection Quaternary drift deposits S3: Pitt Street A: Liverpool Street intersection B: Northern section Liverpool Street to Goulburn Street E: Campbell Street intersection F: Campbell Street to Hay Street G: Hay Street intersection Ashfield shale Quaternary drift deposits S5: Broadway Entire work site Quaternary drift deposits C2: College Street Entire work site Ashfield shale C1: Wentworth Avenue Entire work site Ashfield shale Sydney City Centre Capacity Improvement 374 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
Page 339 and 340: Method and assessment criteria The
Page 341 and 342: General land use character General
Page 343 and 344: Development precinct Precinct 1: re
Page 345 and 346: Property Roadside property Table 6-
Page 347 and 348: Future land uses and development pr
Page 349 and 350: Rubbish bins Water fountains City m
Page 351 and 352: Impact Environmental safeguard Resp
Page 353 and 354: 6.6.2 Existing environment Landscap
Page 355 and 356: Landscape character zone Overview d
Page 357 and 358: Tree characteristics The city centr
Page 359 and 360: Table 6-41 Registered significant t
Page 361 and 362: · Cafés, restaurants, hotels and
Page 363 and 364: Location Receiver * Items marked wi
Page 365 and 366: Table 6-43 Temporary construction l
Page 367 and 368: Work site Section Receiver F1: Macq
Page 369 and 370: Landscape character and visual impa
Page 371 and 372: The tree’s consistency and contri
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 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
Page 389: Impact Environmental safeguard Resp
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
Page 411 and 412: 6.11.4 Safeguards and management me
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 and 420: Greenhouse Gas Assessment Workbook
Page 421 and 422: Climate change construction impacts
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
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Cumulative effect Key issues Street
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Table 6-69 Potential cumulative eff
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6.15.4 Safeguards and management me
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7 Environmental management This cha
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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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