ST PETERS INTERCHANGE - AERIAL VIEW WEST OVER TUNNEL PORTAL AND MOC4 FACILITY (Artist's impression only subject to change during design development) i WESTCONNEX NEW M5 URBAN DESIGN AND LANDSCAPE PLAN
APPENDIX F NOISE BARRIER LOCATION AND DESIGN SUB-PLAN WestConnex ii
Project: WestConnex New M5 Urban Design and Landscape Plan Document Number: MSN-HSL-MNP-100-110-TR-1970_B Appendix F: Noise Barrier Location and Design Sub-plan Client: CPB Dragados Samsung Joint Venture Prepared by: HASSELL Level 2 Pier 8/9, 23 Hickson Road Sydney NSW Australia 2000 T +61 2 9101 2000 hassellstudio.com @HASSELL_Studio HASSELL Limited ABN 24 007 711 435 Document Revisions Revision Date Description Author Check Approval A 10.03.2017 PRELIMINARY ISSUE JS JS MG B 31.03.2017 FINAL DRAFT ISSUE JS JS MG PREPARED FOR BY iii WESTCONNEX NEW M5 URBAN DESIGN AND LANDSCAPE PLAN
TABLE OF CONTENTS F1 INTRODUCTION.... 01 F1.1 Ministers Condition of Approval F1.2 Revised Environmental Management Measures F1.3 Urban Design Policy F1.4 Design Philosophy F2 CONTEXT.... 03 F3 NOISE WALL TYPES.... 04 F3.1 Coloured acrylic transparent noise walls - Type 1 F3.2 Concrete panel walls - Type 2 F4 WESTERN INTERCHANGE AND PORTALS (INCLUDING MOC1).. 10 F5 NOISE WALL LOCATIONS.... 11 F5.1 Cross sections F5.2 Elevations F6 CONSULTATION AND DECISION MAKING PROCESS.... 31 iv
ist o fig es ig e 1 oise a s pica detai s o o ed ac ic t anspa ent noise a fi ed to top o a ie pe 1 Figure F-2 - Noise Walls - Typical details - Coloured acrylic transparent noise wall on structure - Type 1B 6 Figure F-3 - Noise Walls - Typical details - Precast concrete panel to match KGRIU - Type 2A 8 Figure F-4 - Noise Walls - Typical details - Precast concrete panel with vertical rebates - Type 2B 9 Figure F-5 - Aerial view of Western Interchange and Portals highlighting the location of Noise Walls which are located on the outer edges of the New M5 Eastbound alignments. 10 Figure F-6 - Western Interchange and Portals - Noise Walls - Key plan 11 Figure F-7 - Western Interchange and Portals - Urban Design Concept Plan - Sheet 1 of 7-1:1000 12 Figure F-8 - Western Interchange and Portals - Urban Design Concept Plan - Sheet 2 of 7-1:1000 13 Figure F-9 - Western Interchange and Portals - Urban Design Concept Plan - Sheet 3 of 7-1:1000 14 Figure F-10 - Western Interchange and Portals - Urban Design Concept Plan - Sheet 4 of 7-1:1000 15 Figure F-11 - Western Interchange and Portals - Urban Design Concept Plan - Sheet 5 of 7-1:1000 16 Figure F-12 - Western Interchange and Portals - Urban Design Concept Plan - Sheet 6 of 7-1:1000 17 Figure F-13 - Western Interchange and Portals - Urban Design Concept Plan - Sheet 7 of 7-1:1000 18 Figure F-14 - Western Interchange and Portals - Typical Cross Section CH100 (M2A0) - 1:400 19 Figure F-15 - Western Interchange and Portals - Typical Cross Section - CH875 (M2A0) - 1:400 20 Figure F-16 - Typical Cross Section - CH900 (M2A0) - 1:250 21 Figure F-17 - Western Interchange and Portals - Typical Cross Section CH1100 (M2A0) - 1:400 22 Figure F-18 - Noise Walls - NW-01 - Elevation - Sheet 01 of 03 23 Figure F-19 - Noise Walls - NW-01 - Elevation - Sheet 02 of 03 24 Figure F-20 - Noise Walls - NW-01 - Elevation - Sheet 03 of 03 25 Figure F-21 - Noise Walls - NW02 - Elevation 26 Figure F-22 - Noise Walls - NW03 - Elevation 27 Figure F-23 - Noise Walls - NW04 - Elevation 28 Figure F-24 - Noise Walls - NW04 - Elevation 29 Figure F-25 - Noise Walls - NW05 - Elevation 30 v WESTCONNEX NEW M5 URBAN DESIGN AND LANDSCAPE PLAN
F1 Introduction This Urban Design and Landscape Plan Sub-Plan has been prepared to satisfy the Ministers Condition of Approval B46(f) (SSI6307). The Plan also demonstrates detailed compliance with the Project Deed scope and Scope of Works and Technical ite ia S e i e ents. e e i e ent o noise a s and ead ig t sc eens p o ides an opportunity to enhance the driver experience and contribute to a considered and choreographed journey along the overall WestConnex project. As a highly visible element, noise walls and headlight screens play an important role in orientating the driver along the route and connecting them to the surrounding context. F1.1 Ministers condition of approval The sub-plan provides details of the following: dentification and confi ation o a noise a ie ocations associated with the Project including new, relocated or odified a ie s The consultation and decision making process for all new, e ocated o odified noise a ie s associated it t e Project Assessment of the potential impacts of the barriers including visual amenity, overshadowing and connectivity and community cohesion Consideration of safety by design principles, the WestConnex Urban Design Framework, RMS Design Guidelines Adjacent property owner concerns and preferences regarding barrier design and location, and stification o t e fina design o ne e ocated o odified barriers. F1.2 Revised Environmental Management Measures This section of the sub-plan addresses issues raised during the consultation process and the Revised Environmental Management Measures (REMM) raised in the Submissions and Preferred Infrastructure Report (SPIR) listed below. Ref # REMM Operation OpV07 The design of the noise attenuation at the western s ace o s o d e confi ed d ing detai ed design and in consultation with the local community. This may consist of noise mounds and barriers (or a combination of both) and with consideration to the provision of accessible open space at Beverly Grove Park and a landscaped outlook. Table 01 Response Revised Environmental Management Measures Noise barrier design is still in design development, with conside ation o a fi noise o nd c ent eing cons ted on with the local community within Beverly Grove Park between Rosebank Avenue and Gareema Circuit to the north of the New M5 alignment. In all other locations where the project is not adjacent residents, then transparent noise walls will be implemented. Details of noise wall locations and treatment are covered in the Noise Barrier Location and Design Sub-plan in Appendix F and this sub-plan. 01
F1.3 Urban Design policy Work leading to the presentation of the Urban and Landscape Design has been an iterative process and has included: t o o g e ie o iefing ate ia s and associated working papers including the WestConnex Urban Design Framework Inspections of the route and its environs Numerous design workshops and meetings involving the project design team members A review of current WestConnex and RMS design standards and industry construction methods The Urban and Landscape Design proposals for the project has been prepared in reference to the objectives and design principles of: RMS Noise Wall design guidelines - Design guidelines to improve the appearance of noise walls in NSW WestConnex Urban Design Framework RMS Beyond the Pavement SWTC Appendix B.11 - Urban Design and Landscaping, Section. e i e ents o oise a s and ead ig t Screens. A review of current WestConnex and RMS design standards and industry construction methods Noise wall design guideline Design guideline to improve the appearance of noise walls in NSW March 2016 F1.4 Design philosophy The design of noise walls and headlight screens is characterised by the following: Simple, uncomplicated and consistent treatments Well resolved detailing that integrate the various road elements; rail, noise barrier, wall, topography, etc Calm and gradual transitions Consistent alignment with tops generally running parallel with the road alignment, without stepping o iding s ficient space o sc een p anting to ot sides where possible fine detai t at is integ a to t e sc een at e t an e p icit applied Durable Ease and simplicity of construction A design complementary to existing noise barriers; and A consistent design approach similarly applied to other road elements, a considered palette of design elements, materials and colour. A landscape element The intent is to treat the noise walls as a landscape element. n e e ent t at p o ides a se ence o s t e c anges to the spatial experience, calm but stimulating. As a landscape element they also reinforce and tie into to the natural environments through which they pass, maximising views and responding to natural patterns. Balance between motorists and resident views o co p it t e S t e o ect is e i ed to a ance t e needs and impacts for both motorists and adjacent residents. As such, the extent of transparent noise panels along the westbound carriageway will be subject to further design development. Where the location of transparent panels may impact residents of Elouera and Kirrang Streets regarding motorway views and ead ig t iss es opa e so id a s i e conside ed in ie o transparent noise panels. Within a portion of Beverly Grove Park, the Project is currently in estigating t e possi i it o p acing a a ge fi o nd between Kindilan Underpass and Gareema Circuit adjacent the carriageway, which would possibly be designed as a revegetated noise mound. n t e possi i it t at t e fi o nd design does not p og ess the extent of transparent panels will be subject to further design de e op ent it t e possi i it o opa e so id a s to e conside ed in ie o t anspa ent noise pane s at specific locations. Noise wall designs will be presented to adjacent landowners for cons tation p io to t e adoption o a fina design. 02 WESTCONNEX NEW M5 URBAN DESIGN AND LANDSCAPE PLAN
F2 Context ased on t e S and o ect e i e ents noise a s a e on e i ed it in t e este n nte c ange and o ta s precinct within the Project, therefore the basis of the report is based on this location. Existing Western Interchange and Portals noise walls King Georges Road Interchange Upgrade noise walls e noise a s e e e i ed t o g o t t e o s at the western tie-in with the Project. These walls generally fall within three categories: New regular noise walls Within the Western Interchange and Portals, there are a number of variable motorway infrastructure elements constructed as part of the original M5 East, the original M5 and the recent M5 widening works and the King Georges Road Interchange Upgrade (KGRIU). Existing noise walls along the M5 East Motorway are generally co p ised o t o t pes. e fi st is t e p ain p ecast conc ete panel, and the second type is again a precast concrete panel with 'light' and 'heavy' texturing. Existing noise wall posts are also a visually dominant element and poo detai ed it fi ings and ointing ig isi e to t e motorist or adjacent parkland users. s t e o ect i e i e noise a s a ong ot sides o the motorway, and to minimise clutter and maximise visual consistency, noise wall detailing will be consistent with the detailing adopted by RMS for the KGRIU. Feature walls Transparent walls New regular noise walls with precast concrete panels, supported by steel posts off-form with a light vertical texture or no texture and have been designed to be simple and recessive elements without unnecessary decoration or embellishment. Feature walls with precast concrete panels, supported by steel posts off-form with a heavy texture to integrate with the established noise wall arrangement of the M5 East Motorway design. Transparent acrylic panels have been integrated into the KGRIU noise wall design at Cooloongatta Road Overbridge to provide safe sight line distances, and at the bridge over Penshurst Road to provide views to the broader landscape setting. A similar approach has been adopted throughout the Western Interchange and Portals precinct which will continue the theme throughout the wider M5 corridor. Existing M5 East noise walls adjacent shared path Existing M5 East noise wall above Kindilan Underpass Existing M5 East noise walls from Motorway (Source: Google) KGRIU noise wall / retaining wall details KGRIU transparent noise wall 03
F3 Noise wall details The main noise wall construction types represented in this section are: F3.1 Coloured acrylic transparent noise walls - Type 1 Transparent noise walls are proposed throughout the Western Surface Works to the northern edge of the corridor. These noise walls tie into the proposed KGRIU and run adjacent to Beverly Grove Park. They also run the length of works adjacent to the eastbound bypass ramp and sit across both ends of Kindilan underpass. KGRIU Coloured transparent noise wall detail Transparent noise wall panelling in shades of a natural green colour (drawn from the surrounding environment), will provide the road user with views of existing bushland, Canterbury Golf Course and the surrounding built environment. These areas are intended as placemarking points to be noticed and enjoyed. They also improve the Project's legibility and environment, providing motorists with a sense of space and location punctuating an often monotonous journey with a splash of colour and interest. The walls are comprised of inclined posts and transparent ac ic pane s to e s ppo ted to t e ac o t e t a fic a ie walls. The height of noise wall panels to be used is nominally 4m and 6.5m segments. Location of differing height panels is included in Section F6. Typical transparent wall details (Type 1A and 1B) are included in this section. KGRIU Coloured transparent noise wall KGRIU Coloured transparent noise wall Eastlink coloured transparent noise wall, Victoria 4 WESTCONNEX NEW M5 URBAN DESIGN AND LANDSCAPE PLAN
Figure F-1 - Noise Walls - Typical details - Coloured acrylic transparent noise wall fixed to top of barrier - Type 1A 5
Figure F-2 - Noise Walls - Typical details - Coloured acrylic transparent noise wall on structure - Type 1B 6 WESTCONNEX NEW M5 URBAN DESIGN AND LANDSCAPE PLAN
F3.2 Concrete panel walls - Type 2 Vertical concrete panel walls are located throughout the Western Surface Works to the southern edge of the corridor. These panels tie into the proposed KGRIU and run adjacent to Beverly Grove Park to an approximate point near the westbound tunnel exit portal. The walls are comprised of vertical precast concrete wall panels, to be supported on cast-in-place piles behind the road safety barriers. These will be supported on the existing culverts o pi ed etaining a s it ass patte ned finis to ot sides of the panels. The panels will be painted to match the existing noise wall treatments proposed at the KGRIU. Screen planting will also be provided at locations where space permits. Typical details (Type 2A and 2B) are included in this section. Banora Point Upgrade precast vertical patterned noise wall KGRIU retaining wall / noise wall view from motorway 7
Figure F-3 - Noise Walls - Typical details - Precast concrete panel to match KGRIU - Type 2A 8 WESTCONNEX NEW M5 URBAN DESIGN AND LANDSCAPE PLAN
Figure F-4 - Noise Walls - Typical details - Precast concrete panel with vertical rebates - Type 2B 9
F4 Western Interchange and portals (including MOC1) Design Approach An important consideration that has guided urban design outcomes at this location is the fact that there are a number of variable motorway infrastructure elements constructed as part of the original M5 East, the original M5, recent M5 widening works and KGRIU. All of this combines to create a variable and cluttered driver experience, particularly the large extent of non-transparent noise walls that line the western approach. e ost is a significant e e ents a ong t is section o t e motorway are the noise walls. s t e o ect i e i e noise a s a ong ot sides o the motorway, and to minimise clutter and maximise visual consistency, noise wall detailing will be consistent with the detailing adopted for the KGRIU and wider Project retaining walls. With the new alignment being elevated alongside Canterbury Golf Course and Beverly Grove Park, a transparent noise wall will be provided along the northern edge of the alignment to allow views over the existing golf course and parkland, providing relief from the canyon effect of the existing nontransparent noise walls along the western approach to the portals. The use of transparent walls in this section of the Project will a so a e so e additiona sa et enefits o t e s a ed pat and linear parkland which lies directly adjacent to the north of the alignment in this location. This transparent wall will reduce the amount of overshadowing and sense of enclosure for the shared path users. The design of the noise attenuation in this area may be combination of noise mounds and transparent barriers with consideration to the provision of accessible open space at Beverly Grove Park and a landscaped outlook which is ac ie ed in ot scena ios. is i e confi ed d ing detailed design and in consultation with the local community and shown in future revisions of this Plan. Figure F-5 - Aerial view of Western Interchange and Portals highlighting the location of Noise Walls which are located on the outer edges of the New M5 Eastbound alignments. (Artist's impression only subject to change during design development) 10 WESTCONNEX NEW M5 URBAN DESIGN AND LANDSCAPE PLAN
F5 Noise wall locations The locations nominated below are consistent with those below and a e consistent it t ose identified in t e S. The following table lists the noise wall number, location, and wall type treatment for all proposed noise walls for the Project. A series of seven 1:1000 plans showing the location of the proposed noise walls within the context of an aerial photo and proposed landscape treatments are located within this section, as well as elevations and typical sections where noise walls are proposed. No. Location Length Height Description NW01 Entire length of the Eastbound carriageway between KGRIU and tie-in with existing M5 East noise wall 1176m 4m (650m) 6.5m (526m) pe 1 o o ed ac ic t anspa ent noise a fi ed to top o a ie NW02 Westbound carriageway adjacent existing Kindilan Underpass 20m 4m Type 1B - Coloured acrylic transparent noise wall on structure NW03 Westbound carriageway extending from existing KGRIU noise wall 59m 4m Type 2A - Non-transparent precast concrete panel noise wall with texture NW04 Westbound carriageway extending to Kindilan Underpass 469m 4m Type 2B - Non-transparent precast concrete panel noise wall with rebates NW05 Westbound carriageway extending from Kindilan Underpass to MOC1 262m 4m Type 2B - Non-transparent precast concrete panel noise wall with rebates Further details to be updated in future revisions of this sub-plan. Figure F-6 - Western Interchange and Portals - Noise Walls - Key plan 11
12 WESTCONNEX NEW M5 URBAN DESIGN AND LANDSCAPE PLAN Figure F-7 - Western Interchange and Portals - Urban Design Concept Plan - Sheet 1 of 7-1:1000
FIGURE F-14 Figure F-8 - Western Interchange and Portals - Urban Design Concept Plan - Sheet 2 of 7-1:1000 13
14 WESTCONNEX NEW M5 URBAN DESIGN AND LANDSCAPE PLAN Figure F-9 - Western Interchange and Portals - Urban Design Concept Plan - Sheet 3 of 7-1:1000
Figure F-10 - Western Interchange and Portals - Urban Design Concept Plan - Sheet 4 of 7-1:1000 15
FIGURE F-16 FIGURE F-15 Figure F-11 - Western Interchange and Portals - Urban Design Concept Plan - Sheet 5 of 7-1:1000 16 WESTCONNEX NEW M5 URBAN DESIGN AND LANDSCAPE PLAN
FIGURE F-17 Figure F-12 - Western Interchange and Portals - Urban Design Concept Plan - Sheet 6 of 7-1:1000 17
18 WESTCONNEX NEW M5 URBAN DESIGN AND LANDSCAPE PLAN Figure F-13 - Western Interchange and Portals - Urban Design Concept Plan - Sheet 7 of 7-1:1000
F5.1 Cross sections The following cross sections are included within this section to illustrate and describe the Urban Design and Landscaping intent and extent across the Project: Western Interchange and Portals CH100 (M2A0) - 1:400 Western Interchange and Portals CH875 (M2A0) - 1:400 Western Interchange and Portals CH900 (M2A0) - 1:250 Western Interchange and Portals CH1100 (M2A0) - 1:400. Figure F-14 - Western Interchange and Portals - Typical Cross Section CH100 (M2A0) - 1:400 19
Figure F-15 - Western Interchange and Portals - Typical Cross Section - CH875 (M2A0) - 1:400 20 WESTCONNEX NEW M5 URBAN DESIGN AND LANDSCAPE PLAN
Figure F-16 - Typical Cross Section - CH900 (M2A0) - 1:250 21
Figure F-17 - Western Interchange and Portals - Typical Cross Section CH1100 (M2A0) - 1:400 22 WESTCONNEX NEW M5 URBAN DESIGN AND LANDSCAPE PLAN
F5.2 Elevations The following noise wall elevations are included within this section to illustrate and describe the Urban Design and Landscaping intent and extent across the Project: Western Interchange and Portals Noise wall NW01-1:500 (Sheet 01 of 03) Western Interchange and Portals Noise wall NW01-1:500 (Sheet 02 of 03) Western Interchange and Portals Noise wall NW01-1:500 (Sheet 03 of 03) Western Interchange and Portals Noise wall NW02-1:250 Western Interchange and Portals Noise wall NW03-1:500 Western Interchange and Portals Noise wall NW04-1:500 Western Interchange and Portals Noise wall NW05-1:500. Figure F-18 - Noise Walls - NW-01 - Elevation - Sheet 01 of 03 23
Figure F-19 - Noise Walls - NW-01 - Elevation - Sheet 02 of 03 24 WESTCONNEX NEW M5 URBAN DESIGN AND LANDSCAPE PLAN
Figure F-20 - Noise Walls - NW-01 - Elevation - Sheet 03 of 03 25
Figure F-21 - Noise Walls - NW02 - Elevation 26 WESTCONNEX NEW M5 URBAN DESIGN AND LANDSCAPE PLAN
Figure F-22 - Noise Walls - NW03 - Elevation 27
Figure F-23 - Noise Walls - NW04 - Elevation 28 WESTCONNEX NEW M5 URBAN DESIGN AND LANDSCAPE PLAN
Figure F-24 - Noise Walls - NW04 - Elevation 29
Figure F-25 - Noise Walls - NW05 - Elevation 30 WESTCONNEX NEW M5 URBAN DESIGN AND LANDSCAPE PLAN
F6 Consultation and decision making process To be updated in future revisions of this sub-plan. 31
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