Review of Environmental Factors Woolloomooloo Wastewater Stormwater Separation Project March 2016f © Sydney Water Corporation (2016). Commercial in Confidence. All rights reserved. No part of this document may be reproduced without the express permission of Sydney Water. File Reference: T:\ENGSERV\ESECPD\EES Planning\2002XXXX_Hot spots 3\20029431 Woolloomooloo sewer separation\REF Publication number: SWS232 03/16 Table of Contents Declaration and sign off Executive summary ........................................................................................................... i 1. Introduction ........................................................................................................... 1 1.1 Project Background .................................................................................................... 1 1.2 Woolloomooloo Wastewater Stormwater Separation .............................................. 2 1.3 Related stormwater projects ...................................................................................... 4 1.4 Scope of this REF ........................................................................................................ 4 2. Stakeholder and community consultation .......................................................... 5 2.1 Consultation objectives .............................................................................................. 5 2.2 Social analysis ............................................................................................................. 5 2.3 Consultation during the REF ...................................................................................... 7 2.3.1 Key government stakeholder feedback ....................................................................................... 8 2.3.2 Key community stakeholder feedback ......................................................................................... 9 2.4 Summary of matters identified ................................................................................. 10 2.5 Consultation on REF ................................................................................................. 11 2.6 Further consultation .................................................................................................. 11 2.7 ISEPP Consultation ................................................................................................... 12 3. Legislation and planning context ...................................................................... 14 3.1 Environmental Planning and Assessment Act 1979 .............................................. 14 3.2 State and Regional Environmental Planning Policies ........................................... 14 3.2.1 State Environmental Planning Policy (Infrastructure) 2007 ....................................................... 14 3.2.2 Sydney Regional Environmental Plan (Sydney Harbour Catchment) 2005 .............................. 15 3.3 Sydney Local Environment Plan 2012 ..................................................................... 15 3.4 Other NSW legislation ............................................................................................... 15 3.5 Commonwealth legislation ....................................................................................... 18 4. Alternatives and justification for the project .................................................... 19 4.1 Objectives .................................................................................................................. 19 4.2 Project need ............................................................................................................... 19 4.3 Consideration of alternatives ................................................................................... 19 4.4 Consideration of principles of Ecologically Sustainable Development ............... 22 5. Project Description ............................................................................................. 23 5.1 Scope of Work ........................................................................................................... 23 5.1.1 Stream Street ............................................................................................................................. 24 5.1.2 Brougham Lane ......................................................................................................................... 29 5.1.3 Darlinghurst Road ...................................................................................................................... 31 5.1.4 Forbes Street ............................................................................................................................. 33 5.1.5 Riley Street ................................................................................................................................ 35 5.1.6 Womerah Avenue ...................................................................................................................... 39 5.2 Pre-construction ........................................................................................................ 41 5.3 Construction Activities ............................................................................................. 41 5.4 Working hours ........................................................................................................... 44 5.5 Commissioning .......................................................................................................... 45 5.6 Operation .................................................................................................................... 45 5.7 Changes to the Scope of Work ................................................................................ 45 6. Site Specific Environmental Assessment and Mitigation Measures .............. 46 6.1 Stream Street ............................................................................................................. 46 6.1.1 Topography, geology and soils .................................................................................................. 46 6.1.2 Water and drainage ................................................................................................................... 47 6.1.3 Flora and Fauna ......................................................................................................................... 49 6.1.4 Air quality ................................................................................................................................... 50 6.1.5 Noise and vibration .................................................................................................................... 50 6.1.6 Non-Aboriginal heritage ............................................................................................................. 53 6.1.7 Aboriginal heritage ..................................................................................................................... 56 6.1.8 Traffic and access ...................................................................................................................... 57 6.1.9 Waste ......................................................................................................................................... 59 6.1.10 Social and visual ........................................................................................................................ 59 6.2 Brougham Lane ......................................................................................................... 61 6.2.1 Topography, geology and soils .................................................................................................. 61 6.2.2 Water and drainage ................................................................................................................... 61 6.2.3 Flora and Fauna ......................................................................................................................... 62 6.2.4 Air quality ................................................................................................................................... 62 6.2.5 Noise and vibration .................................................................................................................... 63 6.2.6 Non-Aboriginal heritage ............................................................................................................. 65 6.2.7 Aboriginal heritage ..................................................................................................................... 66 6.2.8 Traffic and access ...................................................................................................................... 67 6.2.9 Waste ......................................................................................................................................... 68 6.2.10 Social and visual ........................................................................................................................ 68 6.3 Darlinghurst Road ..................................................................................................... 70 6.3.1 Topography, geology and soils .................................................................................................. 70 6.3.2 Water and drainage ................................................................................................................... 70 6.3.3 Flora and Fauna ........................................................................................................................