Part G: Assessment of Effects on the Environment. 11 Environmental Effects Assessment

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1 Volume 2: Assessment of Environmental Effects 237 Part G: Assessment of Effects on the Environment 11 Environmental Effects Assessment 11.1 Types of Effects Anticipated The proposed works can be summarised, as follows: SH1 westbound route improvements: new direct link from Paterson Street to Tory Street via a bridge; improvements to SH1 westbound intersections with Paterson Street, Sussex Street and Taranaki Street; and increasing Buckle Street and Karo Drive to three lanes. SH1 eastbound route improvements: improvements to the intersection of Vivian Street and Pirie Street with Kent/Cambridge Terraces; improvements of Vivian Street between Tory Street and Cambridge Terrace (introduction of clearways); and, re-alignment of SH1 around Basin Reserve to bring SH1 eastbound traffic to the north of the bridge and to separate local traffic from SH1 traffic. related local road network improvements; walking, cycling, and public transport improvements; urban design and landscape treatments that create over 1 hectare of new and improved open space (which is designed to read as a continuation of the NWM Park); a new Northern Gateway Building and landscaping within the Basin Reserve; improvements to the car parking facilities at the St Joseph s Church; improvements to the car parking area of Regional Wines and Spirits; and the building under the bridge on the corner of Kent Terrace and Ellice Street. It should be noted that the above describes the overall Project. The designation boundary does not include Vivian Street or Pirie Street improvements as these works are entirely within legal road and permitted activities. It should be emphasised that works within the Project Area but outside of the designation boundary facilitate the outcomes sought by the application and assist the achievement of the Project objectives.

2 Volume 2: Assessment of Environmental Effects 238 Table 11-1 shows the actual and potential effects of the operation and of the Project, and the Chapters of the that assess them. Table 11-1 Overview of actual and potential effects of the Project Transport [Part G, Chapter 13: Transport ] Effects on the efficiency of SH1 and local transport networks during Positive effects for the safe and efficient function of the SH1 in this location. Positive effects for the safe and efficient function of the local transport network in this location, including public transport, walking and cycling once the Project has been completed. Noise [Part G, Chapter 19: Noise] Air [Part G, Chapter 20: Air Quality] Effects on people s health and amenity from noise disturbance during Potential negative effects of odour, dust, and vehicle emissions during Potential negative effects from traffic generated noise effects on nearby premises and noise sensitive activities. Potential positive effects from decrease in traffic generated noise levels around the southern end of the Basin Reserve. Potential for improved air quality as a result of the change in traffic flows in certain locations. Potential for slightly degraded air quality as a result of the change in traffic flows in certain locations. Vibration [Part G, Chapter 16: Effects on human comfort and buildings in certain locations from Potential for negitive effects on human comfort and buildings from traffic induced

3 Volume 2: Assessment of Environmental Effects 239 Vibration] activity vibration. Contaminated Land [Part G, Chapter 18: Contaminated Land] Archaeology and Tangata Whenua [Part G, Chapter 27: Archaeology, Chapter 29: Tangata Whenua/Cultural Heritage] Potential for identified HAIL sites to have contaminated levels to be at or above guideline values. Potential for discovery of non-hail sites to have contaminated levels at or above guideline values. Potential disturbance of archaeological resources in the Project Area during excavation, earthworks and piling activities during N/A. Any discovery of archaeological resources during offers further information on the history of human occupation in this part of Wellington (positive effect) Features of past Maori occupation of the area will be reflected in the Project design, particularly in terraced wetlands / rain gardens and panels in bridge design. Visual and townscape [Part G, Chapter 22: Visual and townscape] Visual effects of activities Visual effects of the bridge structure in long distance, mid-range, and close up views. Crime Prevention Through Environmental Design (CPTED) [Part G, Chapter 25: CPTED] Potential impacts on public personal safety and sense of safety during. Potential for actual and perceived personal safety benefits as a result of improved environmental quality Built Heritage [Part G, Chapter 26: Built Heritage] Potential effects on built heritage during. Potential effects on built heritage values, including the setting and amenity of heritage buildings and areas. Social Potential effects on the activities of local Positive and negative effects on the activities of local

4 Volume 2: Assessment of Environmental Effects 240 [Part G, Chapter 28: Social] communities (including businesses and schools) during. Potential effects on people moving through the area during. communities (including businesses and schools) once operational. Positive and negative effects on people moving through the area once operational. Urban Design [Part G, Chapter 21: Urban Design] Stormwater [Part G, Chapter 17: Stormwater] Geotechnical hazards [Part G, Chapter 14: Geotechnical Hazards] Potential short term effects on amenity and accessibility Potential effects to water quality in the stormwater system from run off from earthworks and / or land that has been disturbed. Potential ground subsidence as a result of interference with groundwater during piling activities during. Potential for positive and negitive effects to urban structure and land use, including amenity and accessibility considerations. Potential effects on water quality and capacity of the existing stormwater system from road surface run off. Positive effects from the proposed wetland terraces to treatment stormwater. The bridge design has been designed for resilience to earthquake and potential liquefaction. Land use effects [Part G, Chapter 30: Land Use and Property] Potential disruption to nearby properties during activities. Potential effects on land use from operation of the project. Network utilities [Part G, Chapter 15: Network Utilities] Potential effects on network utilities service during. N/A. Street Trees [Part G, Chapter 24: Street Trees] N/A Effects of the loss and gain of street trees through the Project Area.

5 Volume 2: Assessment of Environmental Effects 241 Lighting [Part G, Chapter 23: Lighting] Potential effects relating to lighting required during Effects of street lights on adjoining properties. Economic [Part G, Chapter 31: Economics] Groundwater [Part G, Chapter 32: Groundwater] Potential effects on the stormwater network from the discharge of groundwater. Potential effect on groundwater from dewatering. Potential for piling and ground stabilisation works to contaminate groundwater. N/A Wind [Part G, Chapter 33: Wind] N/A Potential for users to be impacted by strong side winds when using the bridge. Potential for increased wind effects in the vicinity of the Northern Gateway Building The chapters in this Part G of the provide a summary of actual and potential environmental effects and how those have been avoided or are proposed to be remedied or mitigated. Any residual effects after this process are considered in the following Part H of the.