O-Bahn City Access Project
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O-Bahn City Access Project Non-Aboriginal Heritage Impact Assessment DA153127 : Revision C : 10.08.15 Table of Contents Table of Contents ................................................................................................. 2 1 Executive Summary ....................................................................................... 4 1.1 National Heritage listing ................................................................................... 4 1.1.1 Background .................................................................................................. 4 1.1.2 Heritage Impact Assessment ....................................................................... 6 1.2 State Heritage Places ....................................................................................... 9 1.3 Local Heritage Places ..................................................................................... 10 1.4 Archaeological Potential ................................................................................ 11 1.5 Summary .......................................................................................................... 11 1.6 Further recommendations ............................................................................. 12 2 Introduction .................................................................................................. 13 3 Scope ............................................................................................................ 13 3.1 Project Scope .................................................................................................. 13 3.2 Scope of Assessment ..................................................................................... 14 4 Heritage Places ............................................................................................ 15 5 National Heritage Places ............................................................................. 16 5.1 Scope of Listing .............................................................................................. 16 5.2 Historic Context .............................................................................................. 17 5.3 Assessment Breakdown ................................................................................ 29 5.4 Sector 1: Park 13 / Park 14 ............................................................................. 29 5.4.1 The City Grid Layout .................................................................................. 30 5.4.2 Views and Vistas ........................................................................................ 35 5.4.3 Park Lands Layout ..................................................................................... 37 5.4.4 Aesthetic / Social Qualities ......................................................................... 41 5.4.4.1 Recommendations .......................................................................................... 48 5.5 Sector 2: Hackney Road ................................................................................. 49 5.5.1 Park Lands Layout ..................................................................................... 50 5.5.2 Aesthetic Qualities / Landscaping / Use ..................................................... 53 5.5.2.1 Carparking adjacent National Wine Centre ..................................................... 54 5.5.2.2 New shared footbridge over the River Torrens ............................................... 54 5.5.2.2.1 Recommendations .................................................................................. 55 2 5.5.2.3 Stormwater Sump and Pumping Station ......................................................... 55 Non Aboriginal Heritage Impact Assmt : DA153127 :1 C O-Bahn Access City Project : Rev 5.5.2.3.1 Recommendations .................................................................................. 56 6 State Heritage Places .................................................................................. 57 6.1 Potential Impacts Arising From Nearby Construction ................................ 57 6.1.1 Recommendation ....................................................................................... 58 6.2 Potential Impacts to the Context / Setting of State Heritage Places .......... 59 6.2.1 Bicentennial Conservatory, Adelaide Botanic Gardens ............................. 59 6.2.2 Hackney Bridge (former New Company Bridge) ........................................ 60 7 Local Heritage Places .................................................................................. 63 7.1 Carriageway Entrance Gates, Hackney Road, Botanic Park ...................... 64 7.2 War Horse Memorial Trough and Obelisk .................................................... 65 0.08.15 7.2.1 Recommendation ....................................................................................... 66 8 Archeological Potential ............................................................................... 66 8.1 Recommendation ............................................................................................ 68 9 Summary ...................................................................................................... 69 Appendix A .......................................................................................................... 70 National Heritage Listing ........................................................................................... 70 Adelaide Park Lands and City Layout ...................................................................... 70 10 Adelaide Park Lands and City Grid ......................................................... 71 Summary Statement of Significance ........................................................................ 71 Official Values ............................................................................................................ 72 Description ................................................................................................................. 74 History ......................................................................................................................... 76 Appendix B .......................................................................................................... 84 Bibliography ............................................................................................................... 84 3 Non Aboriginal Heritage Impact Assmt : DA153127 :1 C O-Bahn Access City Project : Rev 0.08.15 1 Executive Summary I Jason Schulz, Director of DASH Architects, have been engaged by The Department of Planning Transport and Infrastructure (DPTI) to undertake a Non- Aboriginal Heritage Impact Assessment of the proposed O-Bahn City Access Project. In broad terms, this project consists of the establishment of a designated O-Bahn access way down Hackney Road from the existing Linear Park exit. This access way then converts to a tunnel from the National Wine Centre, travelling under Park 13 (Kadlitpinna/ Rundle Park), existing within Park 14 (Mullawirraburka/ Rymill Park) within the vicinity of the Grenfell Street/ East Terrace intersection. The current proposal is at a conceptual stage only. The intent of this report is to review the current proposal, and provide commentary pertaining to potential heritage impacts, with particular regard to: • The National Heritage listing of the Adelaide Park Lands and City Grid; and • State and Local Heritage places. It is not within the scope of this report, nor my expertise, to consider issues associated with Regulated Significant Tree legislation or protection, or issues associated with indigenous heritage. In preparing this report I have: • examined documentation provided by DPTI titled ‘NCRN O-Bahn City Access & Parkland Rejuvenation Project Tunnel Concept Design’; • reviewed the heritage listings of places potentially affected by the proposed works; • researched the history of the development of the Adelaide Park Lands and City Grid Layout; and • inspected current site conditions. The following commentary has been provided to summarise the findings of this report. It is recommended, however, that the report be read in its entirety to appreciate the background, history and reasoning for the opinions as outlined. 1.1 National Heritage listing 4 1.1.1 Background Non Aboriginal Heritage Impact Assmt : DA153127 :1 C O-Bahn Access City Project : Rev The Adelaide Park Lands and City Grid Layout is identified as a place of National Heritage Significance. For reference, a copy of the listing has been included in the appendix of this report. The Statement of Significance identifies the following key attributes as being of National Heritage value, as applicable to this project: • the Adelaide Park Lands and City Layout is a significant example of early colonial planning which has retained key elements of its historical layout for over one hundred and seventy years; • the Plan reflected new town planning conventions and contemporary ideas about the provision of common or reserved land for its aesthetic qualities, public health and recreation; 0.08.15 • the Park Lands, in particular, are significant for the longevity of protection and conservation and have high social value to South Australians who regard them as fundamental to the character and ambience of the city of Adelaide; and • the city layout is designed to take full advantage of the topography, an important innovation for the time. The streets were sited and planned to maximise views