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Research papers, The University of Auckland Library

The region in and around Christchurch, encompassing Christchurch city and the Selwyn and Waimakariri districts, contains more than 800 road, rail, and pedestrian bridges. Most of these bridges are reinforced concrete, symmetric, and have small to moderate spans (15–25 m). The 22 February 2011 moment magnitude (Mw) 6.2 Christchurch earthquake induced high levels of localized ground shaking (Bradley and Cubrinovski 2011, page 853 of this issue; Guidotti et al. 2011, page 767 of this issue; Smyrou et al. 2011, page 882 of this issue), with damage to bridges mainly confined to the central and eastern parts of Christchurch. Liquefaction was evident over much of this part of the city, with lateral spreading affecting bridges spanning both the Avon and Heathcote rivers.

Images, Alexander Turnbull Library

Text across the top of the cartoon reads 'Greener pastures for red zone residents?... A new subdivision named 'Quakehaven' has streets named 'Wobble Way', 'Poopong Parade', 'Turd Tce.', 'Liquefaction Lane' etc. One of a couple visiting the new area says 'I've got a bad feeling about this new subdivision!' Context - Housing after the Christchurch earthquakes. After the first Land Report was delivered on 23rd June people whose houses were in the Red Zone had their properties bought up by the government and now have to move to new subdivisions. The suggestion in the cartoon is that the subdivisions may not be on safe ground. Quantity: 1 digital cartoon(s).

Research papers, University of Canterbury Library

The 2010–2011 Canterbury earthquake sequence began with the 4 September 2010, Mw7.1 Darfield earthquake and includes up to ten events that induced liquefaction. Most notably, widespread liquefaction was induced by the Darfield and Mw6.2 Christchurch earthquakes. The combination of well-documented liquefaction response during multiple events, densely recorded ground motions for the events, and detailed subsurface characterization provides an unprecedented opportunity to add well-documented case histories to the liquefaction database. This paper presents and applies 50 high-quality cone penetration test (CPT) liquefaction case histories to evaluate three commonly used, deterministic, CPT-based simplified liquefaction evaluation procedures. While all the procedures predicted the majority of the cases correctly, the procedure proposed by Idriss and Boulanger (2008) results in the lowest error index for the case histories analyzed, thus indicating better predictions of the observed liquefaction response.

Research papers, University of Canterbury Library

This report presents an overview of the soil profile characteristics at a number of strong motion station (SMS) sites in Christchurch and its surrounds. An extensive database of ground motion records has been captured by the SMS network in the Canterbury region during the Canterbury earthquake sequence. However in order to comprehensively understand the ground motions recorded at these sites and to be able to relate these motions to other locations, a detailed understanding of the shallow geotechnical profile at each SMS is required. The original NZS1170.5 (SNZ 2004) site subsoil classifications for each SMS site is based on regional geological information and well logs located at varying distances from the site. Given the variability of Christchurch soils, more detailed investigations are required in close vicinity to each SMS to better understand stratigraphy and soil properties, which are important in seismic site response. In this regard, CPT, SPT and borehole data, shear wave velocity (Vs) profiles, and horizontal to vertical spectral ratio measurements (H/V) in close vicinity to the SMS were used to develop representative soil profiles at each site. NZS1170.5 (SNZ 2004) site subsoil classifications were updated using Vs and SPT N60 criteria. Site class E boundaries were treated as a sliding scale rather than as a discrete boundary to account for locations with similar site effects potential, an approach which was shown to result in a better delineation between the site classes. SPT N60 values often indicate a stiffer site class than the Vs data for softer soil sites, highlighting the disparity between the two site investigation techniques. Both SPT N60 and Vs based site classes did not always agree with the original site classifications. This emphasises the importance of having detailed site‐specific information at SMS locations in order to properly classify them. Furthermore, additional studies are required to harmonize site classification based on SPT N60 and Vs. Liquefaction triggering assessments were carried out for the Darfield and Christchurch earthquakes, and compared against observed liquefaction surface manifestations and ground motions characteristics at each SMS. In general, the characteristics of the recorded ground motions at each site correlate well with the triggering analyses. However, at sites that likely liquefied at depth (as indicated by triggering analyses and/or inferred from the characteristics of the recorded surface acceleration time series), the presence of a non‐liquefiable crust layer at many of the SMS locations prevented the manifestation of any surface effects.

Research papers, Victoria University of Wellington

<b>Aotearoa has undoubtedly some of the most beautiful landscapes in the world, a privilege for its inhabitants. However, as our cities have developed post-colonisation, the connection between the natural environment and its occupants has diminished. Designers play a vital role within an ever evolving world to progress the built environment in a way that reflects and restores vital values that have been deprioritised. Future practice should prioritise diversity, care for the land, enhancement of community space, and sustainable practices.</b> This research sets out to demonstrate that new design methodologies can encourage kaitiakitanga, whilst meeting the needs of urban public space. Initially through critical analysis and literature based research, a study of Ōtautahi Christchurch, the South Island’s largest city, was undertaken. The principles of a ‘15 minute city’ were also explored and applied to the city, establishing issues within the built environment that drove the overall research direction. Through the tools of critical reflection and a research through design methodology, a design toolkit was constructed. This toolkit sets out to provide designers with a simple streamlined method of developing urban interventions that are sustainable and beneficial for human well-being. The toolkit incorporates an abstraction of the ‘15 minute city’ ideology and introduces the concepts of evolving green transportation routes within cities. Ōtautahi Christchurch, a city with a significant history of earthquake-caused damage, was chosen as the primary site for the application of this research’s proposed toolkit. The city becomes a canvas for an urban rebuild that explores and aims to set a precedent for a progressive 21st-century city. A key finding as the toolkit research developed was the idea of a ‘temporary’ phase or intervention, being added to traditional design methodologies prior to permanent building. The research explains how this temporary phase could more actively engage diverse user groups and create active conversations between communities and designers. The refined toolkit sets outs proposed timeline phases, methods of site analysis and development of design drivers. Alongside this, a modular architectural system establishes a design proposal for the temporary phase of an individual site within an evolving green route. This outcome provides further opportunity for realistic testing, which would actively involve communities and aims to shift our priorities within urban development. The introduction of the ‘temporary’ phase is beneficial in mitigating psychological implications on people and limiting physical impacts on the landscape. The final design stage of the thesis applied the toolkit process to three sites in Ōtautahi Christchurch. Through a holistic lens, the toolkit framework set out methods to collate information that provides guidance for development on the sites. While some layers are initiated simply by recognising site characteristics, others are informed through software such as GIS. Connected by a proposed green transport route, the three initial sites are developed with temporary interventions that utilise the modular design set out previously in the research. Contextualising the interventions on real world sites tested the flexibility of the system and allowed for critical reflection on the applicability of the toolkit to Aotearoa. The research concludes by identifying future research opportunities and speculates on possible applications of its findings within the real world. Temporary Permanence highlights the significant role that we, as designers, have in shifting urban priorities to create more holistic, sustainable, and inclusive cities for people and the planet.

Research papers, University of Canterbury Library

The focus of the study presented herein is an assessment of the relative efficacy of recent Cone Penetration Test (CPT) and small strain shear wave velocity (Vs) based variants of the simplified procedure. Towards this end Receiver Operating Characteristic (ROC) analyses were performed on the CPT- and Vs-based procedures using the field case history databases from which the respective procedures were developed. The ROC analyses show that Factors of Safety (FS) against liquefaction computed using the most recent Vs-based simplified procedure is better able to separate the “liquefaction” from the “no liquefaction” case histories in the Vs liquefaction database than the CPT-based procedure is able to separate the “liquefaction” from the “no liquefaction” case histories in the CPT liquefaction database. However, this finding somewhat contradicts the assessed predictive capabilities of the CPT- and Vs-based procedures as quantified using select, high quality liquefaction case histories from the 20102011 Canterbury, New Zealand, Earthquake Sequence (CES), wherein the CPT-based procedure was found to yield more accurate predictions. The dichotomy of these findings may result from the fact that different liquefaction field case history databases were used in the respective ROC analyses for Vs and CPT, while the same case histories were used to evaluate both the CPT- and Vs-based procedures.

Research papers, University of Canterbury Library

The city of Christchurch and its surrounds experienced widespread damage due to soil liquefaction induced by seismic shaking during the Canterbury earthquake sequence that began in September 2010 with the Mw7.1 Darfield earthquake. Prior to the start of this sequence, the city had a large network of strong motion stations (SMSs) installed, which were able to record a vast database of strong ground motions. This paper uses this database of strong ground motion recordings, observations of liquefaction manifestation at the ground surface, and data from a recently completed extensive geotechnical site investigation program at each SMS to assess a range of liquefaction evaluation procedures at the four SMSs in the Christchurch Central Business District (CBD). In general, the characteristics of the accelerograms recorded at each SMS correlated well with the liquefaction evaluation procedures, with low liquefaction factors of safety predicted at sites with clear liquefaction identifiers in the ground motions. However, at sites that likely liquefied at depth (as indicated by evaluation procedures and/or inferred from the characteristics of the recorded surface accelerograms), the presence of a non-liquefiable crust layer at many of the SMS locations prevented the manifestation of any surface effects. Because of this, there was not a good correlation between surface manifestation and two surface manifestation indices, the Liquefaction Potential Index (LPI) and the Liquefaction Severity Number (LSN).

Research papers, University of Canterbury Library

This paper presents an overview of the soil profile characteristics at strong motion station (SMS) locations in the Christchurch Central Business District (CBD) based on recently completed geotechnical site investigations. Given the variability of Christchurch soils, detailed investigations were needed in close vicinity to each SMS. In this regard, CPT, SPT and borehole data, and shear wave velocity (Vs) profiles from surface wave dispersion data in close vicinity to the SMSs have been used to develop detailed representative soil profiles at each site and to determine site classes according to the New Zealand standard NZS1170.5. A disparity between the NZS1170.5 site classes based on Vs and SPT N60 investigation techniques is highlighted, and additional studies are needed to harmonize site classification based on these techniques. The short period mode of vibration of soft deposits above gravels, which are found throughout Christchurch, are compared to the long period mode of vibration of the entire soil profile to bedrock. These two distinct modes of vibration require further investigation to determine their impact on the site response. According to current American and European approaches to seismic site classification, all SMSs were classified as problematic soil sites due to the presence of liquefiable strata, soils which are not directly accounted for by the NZS1170.5 approach.

Images, Alexander Turnbull Library

Two men chat over the fence about the state of their houses after the 4th September earthquake in Christchurch. One of them is complaining about the slow pace of reconstruction of houses after the magnitude 7.1 earthquake on 4 September 2010; the second man thinks they are doing their best. Context - Frustration over the slow rate of processing insurance applications and building inspections after the magnitude 7.1 earthquake on 4 September 2010 which although it resulted in a lot of damage, no-one died. In the cartoon the man's red sticker (meaning the house is uninhabitable) has faded to green after being put on the house after the September earthquake. Three days after this cartoon was published the much more disastrous earthquake of the 22nd February struck and many people died. Quantity: 1 digital cartoon(s).

Research papers, University of Canterbury Library

In the wake of the Canterbury earthquakes, one of the biggest threats to our heritage buildings is the risk of earthquakes and the associated drive to strengthen or demolish buildings. Can Small Town NZ balance the requirements of the EQPB legislation and economic realities of their places? The government’s priority is on safety of building occupants and citizens in the streets. However, maintaining and strengthening privately-owned heritage buildings is often cost prohibitive. Hence, heritage regulation has frequently been perceived as interfering with private property rights, especially when heritage buildings occupy a special place in the community becoming an important place for people (i.e. public benefits are larger than private). We investigate several case studies where building owners have been given green light to demolish heritage listed buildings to make way for modern developments. In two of the case studies developers provided evidence of unaffordable strengthening costs. A new trend that has emerged is a voluntary offer of contributing to an incentive fund to assist with heritage preservation of other buildings. This is a unique example where private owners offer incentives (via council controlled organisations) instead of it being purely the domain of the central or local governments.

Audio, Radio New Zealand

Questions to Ministers 1. Dr RUSSEL NORMAN to the Minister of Finance: Does he agree with 57 percent of New Zealanders who, according to a recent UMR poll, support the introduction of a temporary earthquake levy to pay for the rebuilding of Christchurch? 2. Hon PHIL GOFF to the Prime Minister: What, according to the 2010 Investment Statement of the Government of New Zealand, was the average total shareholder return over the last five years from State-owned Enterprises and the average bond rate, and is that consistent with his statement that "it is the Government's intention to use the proceeds of those initial public offerings to actually invest in other assets that the Government would have to fund through the Government bond rate"? 3. DAVID BENNETT to the Minister for Infrastructure: What progress has the Government made on its infrastructure programme? 4. Hon ANNETTE KING to the Prime Minister: Does he stand by his statement "this Government is not prepared to turn its back on our most vulnerable citizens when they most need our help"? 5. Hon JOHN BOSCAWEN to the Acting Minister of Energy and Resources: Is it government policy for New Zealand to become a "highly attractive global destination" for oil exploration, with expansion of the oil and coal sectors leading to a "step change" in the country's economic growth as set out in the document Developing Our Energy Potential; if not, why not? 6. Hon CLAYTON COSGROVE to the Minister for Social Development and Employment: Is the Government considering extending the business assistance package for employers and employees beyond the 14-week period currently signalled; if not, why not? 7. JACQUI DEAN to the Minister of Police: What reports has she received on the latest trends in the level of crime in New Zealand? 8. Hon TREVOR MALLARD to the Prime Minister: Did he tell a meeting in Timaru last week "The entire time I've been Prime Minister I've had Treasury in my office week after week, month after month, telling me South Canterbury Finance was going bankrupt"? 9. CHRIS AUCHINVOLE to the Minister for the Environment: What advice has he received on major resource consents being considered under the Government's new national consenting policy? 10. Dr RUSSEL NORMAN to the Acting Minister of Energy and Resources: Does she agree that the joint scheme initiated by the Green Party and the Government, Warm Up New Zealand: Heat Smart, is the best initiative in the Draft New Zealand Energy Strategy because it is providing hundreds of thousands of New Zealand households with warm, dry, energy efficient homes, and creating thousands of clean green jobs? 11. Hon SHANE JONES to the Minister of Fisheries: Does he still have no major concerns about the way foreign boats were used by New Zealand companies as the Nelson Mail reports he said last year? 12. TIM MACINDOE to the Minister of Housing: What recent announcements has he made regarding the Government's Housing Innovation Fund?

Research papers, University of Canterbury Library

The majority of Christchurch’s stormwater has historically been discharged untreated directly into urban surface waterways. These receiving waterways have become adversely affected by the contaminants carried in the stormwater, particularly sediment and heavy metals. An event-based contaminant load model was developed to identify the distribution and magnitude of contaminant loads entering the waterway, as well as to assess the reduction in TSS and heavy metal loads that can be achieved by various stormwater management options. The GIS-Excel based model estimates contaminant loads from an individual storm event based on different contributing impervious surfaces and key rainfall characteristics (rainfall intensity, duration, pH and antecedent dry days). It then calculates contaminant reduction loads that could be achieved through source reduction (e.g. green roofs, repainting) as well as from treatment (e.g. raingardens, wet ponds) applied to different surfaces within the catchment. This model differs from other annual load models as it is event-based and accounts for storm characteristics in its calculation of contaminant loads. Christchurch is a valuable case setting due the unique opportunity for retrofitting improved stormwater management in the post-earthquake rebuild. It is anticipated that this modelling approach could later be adapted for use in other urban settings outside of Christchurch.

Research Papers, Lincoln University

On September the 4th 2010 and February 22nd 2011 the Canterbury region of New Zealand was shaken by two massive earthquakes. This paper is set broadly within the civil defence and emergency management literature and informed by recent work on community participation and social capital in the building of resilient cities. Work in this area indicates a need to recognise both the formal institutional response to the earthquakes as well as the substantive role communities play in their own recovery. The range of factors that facilitate or hinder community involvement also needs to be better understood. This paper interrogates the assumption that recovery agencies and officials are both willing and able to engage communities who are themselves willing and able to be engaged in accordance with recovery best practice. Case studies of three community groups – CanCERN, Greening the Rubble and Gap Filler – illustrate some of the difficulties associated with becoming a community during the disaster recovery phase. Based on my own observations and experiences, combined with data from approximately 50 in-depth interviews with Christchurch residents and representatives from community groups, the Christchurch City Council, the Earthquake Commission and so on, this paper outlines some practical strategies emerging communities may use in the early disaster recovery phase that then strengthens their ability to ‘participate’ in the recovery process.

Research papers, University of Canterbury Library

The Canterbury region of New Zealand experienced a sequence of strong earthquakes during 2010-2011. Responses included government acquisition of many thousands of residential properties in the city of Christchurch in areas with severe earthquake effects. A large and contiguous tract of this ‘red zoned’ land lies in close proximity to the Ōtākaro / Avon River and is known as the Avon-Ōtākaro Red Zone (AORZ). The focus of this study was to provide an overview of the floodplain characteristics of the AORZ and review of international experience in ecological restoration of similar river margin and floodplain ecosystems to extract restoration principles and associated learnings. Compared to pre-earthquake ground levels, the dominant trend in the AORZ is subsidence, together with lateral movement especially in the vicinity of waterway. An important consequence of land subsidence in the lower Ōtākaro / Avon River is greater exposure to flooding and the effects of sea level rise. Scenario modelling for sea level rise indicates that much of the AORZ is exposed to inundation within a 100 year planning horizon based on a 1 m sea level rise. As with decisions on built infrastructure, investments in nature-based ‘green infrastructure’ also require a sound business case including attention to risks posed by climate change. Future-proofing of the expected benefits of ecological restoration must therefore be secured by design. Understanding and managing the hydrology and floodplain dynamics are vital to the future of the AORZ. However, these characteristics are shared by other floodplain and river restoration projects worldwide. Identifying successful approaches provides a useful a source of useful information for floodplain planning in the AORZ. This report presents results from a comparative case study of three international examples to identify relevant principles for large-scale floodplain management at coastal lowland sites.

Research Papers, Lincoln University

The aftermath of three earthquakes has forced Christchurch to re-plan and rebuild. New perspectives of a sustainable city have arisen granting Christchurch the chance of becoming an example to the world. This work is centred on bioclimatic landscape design as a base for greening strategies. It deals with strategic landscape design adapted to a specific climate, from a user’s perspective. The investigation will be applied to Christchurch’s urban centres, assessing cultural adaptability to the local climate and implications for landscape design. Climatic data shows that humidity is not a local problem. However, the wind is the determinant. In Christchurch the solar radiation and the prevailing winds are the most important microclimatic variables, the latter intensifying the loss of surface heat, decreasing the radiant temperature and affecting thermal sensation. The research objective is to explore design parameters at the street-scale and identify ways to maximise thermal comfort in outdoor spaces through design-based strategies. The investigation will apply methods of participant observation, depth interviews, climatic data collection and design experimentation based on thermal comfort models and computer simulation tools. Case study sites chosen for investigation are places with current levels of activity that may be anticipated in the rebuild of the central city. The research will have two main outcomes: improved understanding of local urban culture adaptation to microclimate, and a demonstration of how design can enhance adaption. These outcomes will inform designers and city managers about good design practices and strategies that can be used to ensure a long term liveable city.

Research Papers, Lincoln University

Creative temporary or transitional use of vacant urban open spaces is seldom foreseen in traditional urban planning and has historically been linked to economic or political disturbances. Christchurch, like most cities, has had a relatively small stock of vacant spaces throughout much of its history. This changed dramatically after an earthquake and several damaging aftershocks hit the city in 2010 and 2011; temporary uses emerged on post-earthquake sites that ran parallel to the “official” rebuild discourse and programmes of action. The paper examines a post-earthquake transitional community-initiated open space (CIOS) in central Christchurch. CIOS have been established by local community groups as bottom-up initiatives relying on financial sponsorship, agreements with local landowners who leave their land for temporary projects until they are ready to redevelop, and volunteers who build and maintain the spaces. The paper discusses bottom-up governance approaches in depth in a single temporary post-earthquake community garden project using the concepts of community resilience and social capital. The study analyses and highlights the evolution and actions of the facilitating community organisation (Greening the Rubble) and the impact of this on the project. It discusses key actors’ motivations and values, perceived benefits and challenges, and their current involvement with the garden. The paper concludes with observations and recommendations about the initiation of such projects and the challenges for those wishing to study ephemeral social recovery phenomena.

Research Papers, Lincoln University

The paper examines community benefits provided by an established community garden following a major earthquake and discusses possible implications for community garden planning and design in disaster-prone cities. Recent studies show that following extreme storm events community gardens can supply food, enhance social empowerment, provide safe gathering spots, and restorative practices, to remind people of normality. However, the beneficial role played by community gardens following earthquakes is less well known. To fill this gap, the study examines the role played by a community garden in Christchurch, New Zealand, following the 2010/2011 Canterbury Earthquakes. The garden's role is evaluated based on a questionnaire-based survey and in-depth interviews with gardeners, as well as on data regarding the garden use before and after the earthquakes. Findings indicate the garden helped gardeners cope with the post-quake situation. The garden served as an important place to de-stress, share experiences, and gain community support. Garden features that reportedly supported disaster recovery include facilities that encourage social interaction and bonding such as central meeting and lunch places and communal working areas.

Research papers, University of Canterbury Library

On 4 September 2010, a magnitude Mw 7.1 earthquake struck the Canterbury region on the South Island of New Zealand. The epicentre of the earthquake was located in the Darfield area about 40 km west of the city of Christchurch. Extensive damage occurred to unreinforced masonry buildings throughout the region during the mainshock and subsequent large aftershocks. Particularly extensive damage was inflicted to lifelines and residential houses due to widespread liquefaction and lateral spreading in areas close to major streams, rivers and wetlands throughout Christchurch and Kaiapoi. Despite the severe damage to infrastructure and residential houses, fortunately, no deaths occurred and only two injuries were reported in this earthquake. From an engineering viewpoint, one may argue that the most significant aspects of the 2010 Darfield Earthquake were geotechnical in nature, with liquefaction and lateral spreading being the principal culprits for the inflicted damage. Following the earthquake, a geotechnical reconnaissance was conducted over a period of six days (10–15 September 2010) by a team of geotechnical/earthquake engineers and geologists from New Zealand and USA (GEER team: Geo-engineering Extreme Event Reconnaissance). JGS (Japanese Geotechnical Society) members from Japan also participated in the reconnaissance team from 13 to 15 September 2010. The NZ, GEER and JGS members worked as one team and shared resources, information and logistics in order to conduct thorough and most efficient reconnaissance covering a large area over a very limited time period. This report summarises the key evidence and findings from the reconnaissance.

Audio, Radio New Zealand

Questions to Ministers 1. CRAIG FOSS to the Minister of Finance: What challenges does the Government face in putting together Budget 2011? 2. Dr RUSSEL NORMAN to the Prime Minister: Does he stand by his pre-Budget statement "The key sector which is not saving right now is the Government"; if so, what steps has he taken to increase government revenue? 3. Dr RUSSEL NORMAN to the Prime Minister: Does he stand by his statement "…we can use this time to transform the economy to make us stronger…"; if so, does this transformation involve an economy that uses fewer natural resources and produces less pollution? 4. Hon PHIL GOFF to the Prime Minister: Does he stand by all his statements on KiwiSaver? 5. NICKY WAGNER to the Minister for Canterbury Earthquake Recovery: What reports has he received on progress made to provide winter heating for residents affected by the Canterbury earthquakes? 6. Hon ANNETTE KING to the Prime Minister: What advice did he receive from the most recent food bank he visited about the current cost of living? 7. JACQUI DEAN to the Minister for the Environment: What practical initiatives is the Government taking in preparation for Rugby World Cup 2011 to protect the environment and New Zealand's important clean green brand? 8. Hon DAVID CUNLIFFE to the Minister of Finance: What was the annual rate of GDP growth for the year ended December 2010 projected in Budget 2010, and what was the actual rate of growth for that period according to Statistics New Zealand? 9. AARON GILMORE to the Minister of Education: What recent decisions have been made regarding schooling in Christchurch? 10. SUE MORONEY to the Minister of Education: When was construction completed on the new early childhood education centre at Weymouth Primary School and why is the centre empty? 11. COLIN KING to the Minister of Agriculture: What steps has the Government recently taken to support innovation in the Manuka honey industry? 12. CARMEL SEPULONI to the Minister of Justice: Does he stand by his statement "This Government is committed to ensuring that everyone…has access to justice"?

Audio, Radio New Zealand

Questions to Ministers 1. AMY ADAMS to the Minister of Finance: What will be the focus of the Budget on 19 May? 2. Hon PHIL GOFF to the Prime Minister: Does he stand by all his statements on the sale of State-owned assets? 3. SHANE ARDERN to the Minister of Customs: What recent reports has he received regarding interceptions of methamphetamine by Customs officers at the border? 4. Hon ANNETTE KING to the Prime Minister: Does he stand by his statement that "we've done as good a job as we can in the conditions we've got to try and help low-income New Zealanders"? 5. KEITH LOCKE to the Minister of Defence: Has New Zealand's SAS detained anyone during its operations or joint operations with other forces, since being redeployed to Afghanistan in 2009? 6. Hon DAVID CUNLIFFE to the Minister of Finance: Does he stand by his statement that "I have seen almost no criticism of the Government's plan to rebalance the economy" given the statement from the Chair of the 2025 Taskforce, Don Brash, that "There is certainly no evidence yet that current policies will deliver the kind of accelerated growth we need"? 7. NICKY WAGNER to the Minister for Canterbury Earthquake Recovery: What process will the Government use to rebuild and restore damaged infrastructure in Canterbury? 8. Hon CLAYTON COSGROVE to the Minister for Canterbury Earthquake Recovery: Is he satisfied that the Canterbury Earthquake Recovery Act 2011 provides him with all the powers necessary to facilitate the recovery of Canterbury? 9. Hon JOHN BOSCAWEN to the Minister of Finance: By how much has Government expenditure increased as a percentage of GDP since he became Minister of Finance? 10. DAVID SHEARER to the Prime Minister: Does he have confidence in his Minister of Foreign Affairs? 11. KATRINA SHANKS to the Minister for Social Development and Employment: Why has the Government announced a Green Paper on how we value, nurture and protect children? 12. Hon TREVOR MALLARD to the Prime Minister: Does he have confidence in all his Ministers?

Research papers, University of Canterbury Library

The 2010 and 2011 earthquakes in the region of Canterbury, New Zealand caused widespread damage and the deaths of 185 people. Suburbs on the eastern side of Christchurch and in the satellite town of Kaiapoi, 20 kilometres north of Christchurch, were badly damaged by liquefaction. The Canterbury Earthquake Recovery Authority (CERA), a government organisation set up in the wake of the earthquakes, began to systematically zone all residential land in 2011. Based on the possibility for land remediation, 7860 houses in Christchurch and Kaiapoi were zoned red. Those who were in this zone were compensated and had to buy or build elsewhere. The other zone examined within this research – that of TC3 – lies within the green zone. Residents, in this zone, were able to stay in their houses but land was moderately damaged and required site-specific geotechnical investigations. This research sought to understand how residents’ senses of home were impacted by a disaster and the response efforts. Focusing on the TC3 and red zone of the eastern suburbs and the satellite town of Kaiapoi, this study interviewed 29 residents within these zones. The concept of home was explored with the respondents at three scales: home as a household; home as a community; and home as a city. There was a large amount of resistance to the zoning process and the handling of claims by insurance companies and the Earthquake Commission (EQC) after the earthquakes. Lack of transparency and communication, as well as extremely slow timelines were all documented as failings of these agencies. This research seeks to understand how participant’s sense of home changed on an individual level and how it was impacted by outside agencies. Homemaking techniques were also focused on showing that a changed sense of home will impact on how a person interacts with a space.

Audio, Radio New Zealand

Hon DAVID PARKER to the Minister of Finance: Does he accept the BNZ statement that New Zealand&rsquo;s increasing current account is &ldquo;a very clear risk for New Zealand&rsquo;s credit rating with Standard and Poor&rsquo;s&rdquo;? SHANE ARDERN to the Minister of Finance: What reports has he received on the economy? KEVIN HAGUE to the Minister for ACC: Can she confirm that staff in ACC&rsquo;s Recovery Independence Service teams receive more or less remuneration dependent on whether the proportion of people receiving weekly compensation is less or more than specified duration targets? Hon DAVID CUNLIFFE to the Minister for Economic Development: Does he stand by all his recent statements? JAMI-LEE ROSS to the Minister of Police: What actions has the Government taken against illegal street racers? Hon MARYAN STREET to the Minister of Health: Has he received any reports or correspondence regarding the Community Pharmacy Services Agreement with District Health Boards and if he has, have they caused him any concern? TIM MACINDOE to the Minister of Justice: How is the Justice sector contributing to the Government&rsquo;s better public services programme? GARETH HUGHES to the Minister for Climate Change Issues: Does he agree with the statement made by the Minister for the Environment, Hon Amy Adams in Rio, that, &ldquo;Money spent on fossil fuels is money that could be spent on other sustainable development priorities&rdquo;, and will the Government re-allocate the $889 million for ETS credits in Budget 2012 towards sustainable projects and a green economy? MIKE SABIN to the Minister of Immigration: What reports has he received on the benefits to New Zealand of the Recognised Seasonal Employer scheme? KRIS FAAFOI to the Minister of Police: Does she stand by all the statements she made to the Law and Order Committee yesterday? NICKY WAGNER to the Minister for Courts: What recent announcements has he made regarding court services for Christchurch? DENIS O'ROURKE to the Minister for Canterbury Earthquake Recovery: Does he still believe that the best way to deal with the price increase in home rentals in Christchurch is to leave it to the market?

Research Papers, Lincoln University

Lincoln University was commissioned by the Avon-Otakaro Network (AvON) to estimate the value of the benefits of a ‘recreation reserve’ or ‘river park’ in the Avon River Residential Red Zone (ARRRZ). This research has demonstrated significant public desire and support for the development of a recreation reserve in the Avon River Residential Red Zone. Support is strongest for a unique natural environment with native fauna and flora, healthy wetlands and rivers, and recreational opportunities that align with this vision, such as walking, cycling and water-based sporting and leisure activities. The research also showed support for a reserve that promotes and enables community interaction and wellbeing, and is evident in respondents’ desires for community gardens, regular festivals and markets, and the physical linking of the CBD with eastern suburbs through a green corridor. There is less support for children’s playgrounds, sports fields or open grassed areas, all of which could be considered as more typical of an urban park development. Benefits (willing to pay) to Christchurch residents (excluding tourists) of a recreation reserve could be as high as $35 million each year. Savings to public health costs could be as high as $50.3 million each year. The incorporation or restoration of various ecosystems services, including water quality improvements, flood mitigation and storm water management could yield a further $8.8 million ($19, 600) per hectare/year at 450 ha). Combined annual benefits of a recreational reserve in the ARRRZ are approximately $94.1 million per annum but this figure does not include potentially significant benefits from, for example, tourism, property equity gains in areas adjacent to the reserve, or the effects of economic rejuvenation in the East. Although we were not able to provide costing estimates for park attributes, this study does make available the value of benefits, which can be used as a guide to the scope of expenditure on development of each park attribute.

Research papers, University of Canterbury Library

Deconstruction, at the end of the useful life of a building, produces a considerable amount of materials which must be disposed of, or be recycled / reused. At present, in New Zealand, most timber construction and demolition (C&D) material, particularly treated timber, is simply waste and is placed in landfills. For both technical and economic reasons (and despite the increasing cost of landfills), this position is unlikely to change in the next 10 – 15 years unless legislation dictates otherwise. Careful deconstruction, as opposed to demolition, can provide some timber materials which can be immediately re-used (eg. doors and windows), or further processed into other components (eg. beams or walls) or recycled (‘cascaded’) into other timber or composite products (e.g. fibre-board). This reusing / recycling of materials is being driven slowly in NZ by legislation, the ‘greening’ of the construction industry and public pressure. However, the recovery of useful material can be expensive and uneconomic (as opposed to land-filling). In NZ, there are few facilities which are able to sort and separate timber materials from other waste, although the soon-to-be commissioned Burwood Resource Recovery Park in Christchurch will attempt to deal with significant quantities of demolition waste from the recent earthquakes. The success (or otherwise) of this operation should provide good information as to how future C&D waste will be managed in NZ. In NZ, there are only a few, small scale facilities which are able to burn waste wood for energy recovery (e.g. timber mills), and none are known to be able to handle large quantities of treated timber. Such facilities, with constantly improving technology, are being commissioned in Europe (often with Government subsidies) and this indicates that similar bio-energy (co)generation will be established in NZ in the future. However, at present, the NZ Government provides little assistance to the bio-energy industry and the emergence worldwide of shale-gas reserves is likely to push the economic viability of bio-energy further into the future. The behaviour of timber materials placed in landfills is complex and poorly understood. Degrading timber in landfills has the potential to generate methane, a potent greenhouse gas, which can escape to the atmosphere and cancel out the significant benefits of carbon sequestration during tree growth. Improving security of landfills and more effective and efficient collection and utilisation of methane from landfills in NZ will significantly reduce the potential for leakage of methane to the atmosphere, acting as an offset to the continuing use of underground fossil fuels. Life cycle assessment (LCA), an increasingly important methodology for quantifying the environmental impacts of building materials (particularly energy, and global warming potential (GWP)), will soon be incorporated into the NZ Green Building Council Greenstar rating tools. Such LCA studies must provide a level playing field for all building materials and consider the whole life cycle. Whilst the end-of-life treatment of timber by LCA may establish a present-day base scenario, any analysis must also present a realistic end-of-life scenario for the future deconstruction of any 6 new building, as any building built today will be deconstructed many years in the future, when very different technologies will be available to deal with construction waste. At present, LCA practitioners in NZ and Australia place much value on a single research document on the degradation of timber in landfills (Ximenes et al., 2008). This leads to an end-of-life base scenario for timber which many in the industry consider to be an overestimation of the potential negative effects of methane generation. In Europe, the base scenario for wood disposal is cascading timber products and then burning for energy recovery, which normally significantly reduces any negative effects of the end-of-life for timber. LCA studies in NZ should always provide a sensitivity analysis for the end-of-life of timber and strongly and confidently argue that alternative future scenarios are realistic disposal options for buildings deconstructed in the future. Data-sets for environmental impacts (such as GWP) of building materials in NZ are limited and based on few research studies. The compilation of comprehensive data-sets with country-specific information for all building materials is considered a priority, preferably accounting for end-of-life options. The NZ timber industry should continue to ‘champion’ the environmental credentials of timber, over and above those of the other major building materials (concrete and steel). End-of-life should not be considered the ‘Achilles heel’ of the timber story.

Audio, Radio New Zealand

Questions to Ministers 1. AARON GILMORE to the Minister of Finance: What steps are the Government and the Earthquake Commission taking to streamline the Canterbury earthquake claims process? 2. Hon PHIL GOFF to the Prime Minister: Does he stand by his statement that "the vast majority" of people will be "better off" as a result of his tax switch on 1 October 2010? 3. KEVIN HAGUE to the Minister of Conservation: Does she agree with Forest and Bird that "many endangered species will meet a watery death, or be rudely shunted from their homes", if the Mōkihinui dam is given the green light? 4. Hon ANNETTE KING to the Minister for ACC: Is he satisfied with the performance of ACC? 5. NICKY WAGNER to the Minister for Economic Development: What steps will the Government take to aid the recovery of the Canterbury region from the recent major earthquake? 6. Hon DAVID CUNLIFFE to the Minister of Finance: What advice, if any, did Treasury receive from KordaMentha in relation to South Canterbury Finance's financial condition prior to approving the extension of the Crown Retail Deposit Guarantee Scheme, and did this advice question whether such an extension was appropriate? 7. COLIN KING to the Minister of Transport: What is the Government doing to address challenges in delivering supplies into the area affected by the Canterbury earthquake? 8. Hon RUTH DYSON to the Minister of Health: When will all the District Health Board Annual Plans for 2010/11 be publicly available? 9. JO GOODHEW to the Minister of Education: How were Canterbury schools affected by last Saturday's earthquake, and what is the current situation for schools in the region? 10. Hon DAVID PARKER to the Attorney-General: Is his objective under the new foreshore and seabed bill to settle the protracted controversy around foreshore and seabed? 11. AMY ADAMS to the Minister of Agriculture: What is the Government doing to support the rural Canterbury community through the earthquake recovery? 12. DARIEN FENTON to the Minister of Labour: Does she stand by all of the statements made on her behalf in response to question for oral answer No. 11 on 9 September 2010? Questions to Members 1. DARIEN FENTON to the Chairperson of the Transport and Industrial Relations Committee: How many submissions were received on the Employment Relations Amendment Bill (No. 2) as at 5pm Monday, 13 September 2010?

Audio, Radio New Zealand

Questions to Ministers 1. JONATHAN YOUNG to the Minister of Finance: What advice has he received about factors that lie behind the current turmoil we are witnessing on world financial markets, and what are the implications for New Zealand? 2. KEVIN HAGUE to the Minister of Labour: Does she still agree, as she did on 13 July 2011, with the comment made by Rt Hon John Key on 22 November 2010 that "I have no reason to believe that New Zealand safety standards are any less than Australia's and in fact our safety record for the most part has been very good"? 3. Hon ANNETTE KING to the Prime Minister: Does he stand by his answers to Oral Question No 1 yesterday when he said that the Leader of the Opposition is "just plain wrong" in relation to skills training? 4. KATRINA SHANKS to the Minister for the Environment: How have Government reforms to the Resource Management Act helped increase competition in the grocery business? 5. Hon CLAYTON COSGROVE to the Attorney-General: Will he meet with earthquake victims' families to hear directly why they need independent legal representation; if not, why not? 6. Hon JOHN BOSCAWEN to the Minister of Finance: Does he stand by his statement that "I think the New Zealand Institute of Economic Research is referring to some longer-term issues around demographic change and healthcare costs, and we share the chief executive's concern"? 7. DARIEN FENTON to the Minister of Labour: What is the timeline of the ministerial inquiry into the treatment of foreign fishing crews in New Zealand waters? 8. CHRIS AUCHINVOLE to the Minister for Communications and Information Technology: What progress is being made on the Government's goal of delivering fast broadband to rural areas? 9. Dr KENNEDY GRAHAM to the Minister for Canterbury Earthquake Recovery: Does he agree that an appropriate part of the "red zone" area along the Avon River through Christchurch should be transformed into a "green space" for memorial and recreational public purposes? 10. STUART NASH to the Minister of Finance: Does he believe the tax system is fair for all New Zealanders? 11. KANWALJIT SINGH BAKSHI to the Minister for Social Development and Employment: What steps has the Government taken to manage gateways between benefits? 12. KELVIN DAVIS to the Minister of Education: Does she stand by all of her answers to Oral Question No 8 yesterday?

Audio, Radio New Zealand

MARAMA DAVIDSON to the Minister of Housing and Urban Development: Will he commit to ensuring that the 800 tenancies terminated or otherwise affected by Housing New Zealand’s previous approach to meth testing receive compensation that genuinely reflects the level of harm done, and takes account of both direct costs and emotional distress? Hon JUDITH COLLINS to the Minister of Housing and Urban Development: Is it acceptable for Housing New Zealand tenants to smoke methamphetamine in Housing New Zealand houses? Hon PAUL GOLDSMITH to the Minister of Finance: Does he stand by all of the statements, actions, and policies of the Government in relation to the New Zealand economy? RINO TIRIKATENE to the Minister for Māori Crown Relations: Te Arawhiti: What recent announcements has he made on the scope of his new portfolio? Hon Dr NICK SMITH to the Minister of State Services: What are the dates and contents of all work-related electronic communications between former Minister Hon Clare Curran and the Prime Minister since the decision in Cabinet last year “that the CTO be appointed by, and accountable to, the Prime Minister and the Ministers of Government Digital Services and Broadcasting, Communications and Digital Media”? Dr DEBORAH RUSSELL to the Minister of Finance: What is his reaction to the Independent Tax Working Group’s interim report released today? Hon NIKKI KAYE to the Minister of Education: How many communications has she received from teachers or principals in the last three days regarding teacher shortages, relief teacher issues, and increases in class sizes, and is she confident there will be no more primary teacher strikes this year? Hon NATHAN GUY to the Minister for Biosecurity: How many inbound passengers arrived at Auckland International Airport yesterday between 2 a.m. and 5 a.m., and how many dog detector teams worked on the Green Lane at this time? TAMATI COFFEY to the Minister of Housing and Urban Development: What steps is the Government taking to ensure Housing New Zealand is a compassionate landlord focused on tenant well-being? STUART SMITH to the Minister for Courts: Is he confident that the Canterbury Earthquakes Insurance Tribunal will comply with all requirements of the rule of law? SIMEON BROWN to the Minister of Health: When did the Expert Advisory Committee on drugs give its advice that synthetic cannabinoids AMB-FUBINACA and 5F-ADB be scheduled as Class A controlled drugs, and what action has he taken on this advice? ANAHILA KANONGATA'A-SUISUIKI to the Minister of Commerce and Consumer Affairs: What measures has the Government announced to protect the public from unscrupulous wheel-clamping practices?

Audio, Radio New Zealand

1. TODD McCLAY to the Minister of Finance: What reports has he received on the economy? 2. KEVIN HAGUE to the Minister of Labour: Does she agree that the test of practicability in the Health and Safety in Employment (Mining-Underground) Regulations 1999 is likely to result in different mines having different safety standards, in contrast to the regulations in place until 1992? 3. Hon ANNETTE KING to the Prime Minister: In light of his comment that "New Zealand is to be congratulated because, at least in terms of the gender pay gap, ours is the third lowest in the OECD", does that mean he is satisfied with the 10.6 percent gap between men's and women's pay in our country? 4. LOUISE UPSTON to the Minister for Social Development and Employment: What reports has she received on the latest benefit numbers? 5. Hon CLAYTON COSGROVE to the Minister for Canterbury Earthquake Recovery: Does he consider the allocation of the value of the land within the rating valuation process to be robust, when it has produced such variable outcomes, leaving many in the red zone with insufficient funds to buy a section to take advantage of the replacement option in their insurance policy? 6. Dr CAM CALDER to the Minister for the Environment: What work is his Ministry doing to help New Zealand take up the opportunity from green growth following the OECD May 2011 report on the high expected global demand for such products and services? 7. Hon MARYAN STREET to the Minister of Foreign Affairs: How many human resources contracts, if any, were let by the Ministry of Foreign Affairs and Trade without tenders being invited in 2010/2011, and what criteria were used to assess non-tendered contractors? 8. PAUL QUINN to the Minister of Transport: What is the Government doing to improve Wellington's commuter rail network? 9. METIRIA TUREI to the Prime Minister: Does he stand by his statement "there is no question in my mind - someone would be better off in paid employment than on welfare. If they were not, that is a real indictment on the welfare system"? 10. Hon TREVOR MALLARD to the Minister of Finance: When he said that "I did visit the Chinese Investment Corporation … They are very pleased with New Zealand's economic policy", was one of the policies he discussed with this foreign sovereign wealth fund his plan for privatising state assets? 11. JAMI-LEE ROSS to the Minister of Broadcasting: What recent announcements has the Government made on progress towards digital switchover? 12. GRANT ROBERTSON to the Minister of Health: Does he stand by his statement to the Cabinet Expenditure Control Committee that "we may need to take some tough choices regarding the scope and range of services the public health system can provide to New Zealanders"?

Research papers, Victoria University of Wellington

The last seven years have seen southern New Zealand a ected by several large and damaging earthquakes: the moment magnitude (MW) 7.8 Dusky Sound earthquake on 15 July 2009, the MW 7.1 Dar eld (Canterbury) earthquake on 4 September 2010, and most notably the MW 6.2 Christchurch earthquake on 22 February 2011 and the protracted aftershock sequence. In this thesis, we address the postseismic displacement produced by these earthquakes using methods of satellite-based geodetic measurement, known as Interferometric Synthetic Aperture Radar (InSAR) and Global Positioning System (GPS), and computational modelling.  We observe several ground displacement features in the Canterbury and Fiordland regions during three periods: 1) Following the Dusky Sound earthquake; 2) Following the Dar eld earthquake and prior to the Christchurch earthquake; and 3) Following the Christchurch earthquake until February 2015.  The ground displacement associated with postseismic motion following the Dusky Sound earthquake has been measured by continuous and campaign GPS data acquired in August 2009, in conjunction with Di erential Interferometric Synthetic Aperture Radar (DInSAR) observations. We use an afterslip model, estimated by temporal inversion of geodetic data, with combined viscoelastic rebound model to account for the observed spatio-temporal patterns of displacement. The two postseismic processes together induce a signi cant displacement corresponding to principal extensional and contractual strain rates of the order of 10⁻⁷ and 10⁻⁸ yr⁻¹ respectively, across most of the southern South Island.  We also analyse observed postseismic displacement following the Dusky Sound earthquake using a new inversion approach in order to describe afterslip in an elasticviscoelastic medium. We develop a mathematical framework, namely the "Iterative Decoupling of Afterslip and Viscoelastic rebound (IDAV)" method, with which to invert temporally dense and spatially sparse geodetic observations. We examine the IDAV method using both numerical and analytical simulations of Green's functions.  For the post-Dar eld time interval, postseismic signals are measured within approximately one month of the mainshock. The dataset used for the post-Dar eld displacement spans the region surrounding previously unrecognised faults that ruptured during the mainshock. Poroelastic rebound in a multi-layered half-space and dilatancy recovery at shallow depths provide a satisfactory t with the observations.  For the post-Christchurch interval, campaign GPS data acquired in February 2012 to February 2015 in four successive epochs and 66 TerraSAR-X (TSX) SAR acquisitions in descending orbits between March 2011 and May 2014 reveal approximately three years of postseismic displacement. We detect movement away from the satellite of ~ 3 mm/yr in Christchurch and a gradient of displacement of ~ 4 mm/yr across a lineament extending from the westernmost end of the Western Christchurch Fault towards the eastern end of the Greendale East Fault. The postseismic signals following the Christchurch earthquake are mainly accounted for by afterslip models on the subsurface lineament and nearby faults.

Research papers, University of Canterbury Library

The 22 February 2011, Mw6.2-6.3 Christchurch earthquake is the most costly earthquake to affect New Zealand, causing 181 fatalities and severely damaging thousands of residential and commercial buildings, and most of the city lifelines and infrastructure. This manuscript presents an overview of observed geotechnical aspects of this earthquake as well as some of the completed and on-going research investigations. A unique aspect, which is particularly emphasized, is the severity and spatial extent of liquefaction occurring in native soils. Overall, both the spatial extent and severity of liquefaction in the city was greater than in the preceding 4th September 2010 Darfield earthquake, including numerous areas that liquefied in both events. Liquefaction and lateral spreading, variable over both large and short spatial scales, affected commercial structures in the Central Business District (CBD) in a variety of ways including: total and differential settlements and tilting; punching settlements of structures with shallow foundations; differential movements of components of complex structures; and interaction of adjacent structures via common foundation soils. Liquefaction was most severe in residential areas located to the east of the CBD as a result of stronger ground shaking due to the proximity to the causative fault, a high water table approximately 1m from the surface, and soils with composition and states of high susceptibility and potential for liquefaction. Total and differential settlements, and lateral movements, due to liquefaction and lateral spreading is estimated to have severely compromised 15,000 residential structures, the majority of which otherwise sustained only minor to moderate damage directly due to inertial loading from ground shaking. Liquefaction also had a profound effect on lifelines and other infrastructure, particularly bridge structures, and underground services. Minor damage was also observed at flood stop banks to the north of the city, which were more severely impacted in the 4th September 2010 Darfield earthquake. Due to the large high-frequency ground motion in the Port hills numerous rock falls and landslides also occurred, resulting in several fatalities and rendering some residential areas uninhabitable.