Hagley Oval Attachments

attachmentsto the evidence of Di Lucas, Registered NZILA Landscape Architect

Hagley Oval, April 2013print A3, landscape, double sided, bind left

photo taken: April 2013

Hagley Oval in Central Christchurch, post-quake source: Google Earth, 26th April 2012

Hagley Park North

BEALEY AVE

MOORHOUSE AVE

WORCHESTER STRET LATIMER SQUARE

CRANMER SQUARE

VICTORIA

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Hagley Park South

Riccarton Ave

Hagley Ave

Hagley Oval

attachment 1

Hagley Oval

Riccarton Ave

Polo Grounds

Netball

Hockey Ground

Hagley Oval

Christs College Grounds

Addington BrookHagley Park South

Hagley Oval - “the site” as per application

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Hagley Park Plan 1850

source: DRAFT Maps in Conservation Plan for Hagley Park and the Christchurch Botanic Gardens, Volume One: History, Christchurch City Council 2013attachment 3

Hagley Park Plan 1867

source: DRAFT Maps in Conservation Plan for Hagley Park and the Christchurch Botanic Gardens, Volume One: History, Christchurch City Council 2013 attachment 4

Hagley Park 1955

source: DRAFT Maps in Conservation Plan for Hagley Park and the Christchurch Botanic Gardens, Volume One: History, Christchurch City Council 2013attachment 5

source: http://en.wikipedia.org/wiki/File:HagleyParkAerialPhoto.jpgHagley Park aerial, 24th October 2007

attachment 6

New Zealand International Exhibition, Hagley Park, Christchurch 1882Photograph of the Cricket Pavilion, 1869 showing saw tooth detailing

source: http://christchurchcitylibraries.com/Heritage/Photos/Disc2/IMG0008.asp

VOLUME 2. SECTION 5: PAGE 94

performed in a way that cannot fail to afford satisfaction to every member of the club. Ahawthorne (sic) hedge has been planted, and a small ditch dug round the ground. The old fencehas been strengthened by the addition of two more wires, and has been properly strained andstayed. An iron gate has been put up at the corner of the fence nearest town, and by the erectionof a stile, the members are enabled to get to the ground.”108

Soon after this meeting and once the new Club's finances had been determined the pavilion fromthe Canterbury Club's former grounds was divided into sections, relocated to its present site atthe Oval and reassembled by George Blockley for the sum of £28 and 10 shillings.109

Over the following years the pavilion became the home of various cricket clubs, the last beingMarist in the 1980s.

108 The Press, 24 September 1866, p. 2109 Lowrie, G. publication quoted in NZHPT File 12009‐086

CONSERVATION PLAN: HAGLEY PARK AND CHRISTCHURCH BOTANIC GARDENS VOLUME TWO: HAGLEY PARK

Figure 1.83 Photograph taken in 1910 showing chimney in the background. Source: NZHPT File 12009‐086

Figure 1.82 Photograph of the Cricket Pavilion,1869 showing saw tooth detailing. Source: NZHPT File 12009‐086

source: NZHPT File 12009-086


Two main entrances were formed for carriage drive access, each half a chain in width. The first wasdescribed as being on Riccarton Road about a chain from the Riccarton Road/ Lincoln Road corner,and the second entrance was formed on Hagley Avenue opposite St Asaph Street and necessitatedthe construction of a bridge across a drain. Following the exhibition, this bridge was purchased bythe promoters of the horse ride for use on the Rotten Row. Other earthworks associated with theexhibition involved the cutting of drains and the laying of permanent drainage pipes.287

Newspaper reports documenting the development of the exhibition site describe the ceremoniallaying of a foundation stone by the Christchurch Mayor and note that “copies of the localnewspapers were placed in a sealed jar and deposited in the receptacle, together with the followinginscription on parchment:‐New Zealand International Exhibition. Promoters‐ Jules Joubert, Esq.Richard E. N. Twopeny. Esq. W. R. Mitchell, agent for New Zealand. This foundation stone was laid byJ. G. Ruddenklau, Esq., Mayor of the City of Christchurch, on the 30th day of January, 1882. T. S. Lam‐bert, Esq., architect. H. Carmichael and Son, contractors.”288 Attempts to trace both the foundationstone and the time capsule have been unsuccessful.

Calls to retain the exhibition building as a “Palace of Delight” did not find favour with the DomainsBoard and, following the exhibition's closure in July 1882, all construction materials, parts of themain structure, fixtures, fittings and artworks were auctioned. By September 1882 the last vestige ofthe buildings had been removed and five of its six ornamental fountains had been razed from thesite, using charges of blasting powder. However, one fountain was left intact on the site where themain building had been located.289 This was variously described by The Star as a “memento” and“memorial” of the exhibition and was said to serve the purpose that Mr Joubert intended to befulfilled by the foundation stone.290 No information concerning the fountain's removal or relocationhas been located to date.

287 New Zealand Tablet, 3 February 1882, p. 11; The Star, 24 August 1882, p. 3288 The Star, 31 January 1882, p. 3; Exhibition Sports Committee Scrapbook 1882, CH343/75b,CCCA289 The Star, 20 September 1882, p. 3290 Ibid; The Star, 27 September 1882, p. 2

CONSERVATION PLAN: HAGLEY PARK AND CHRISTCHURCH BOTANIC GARDENS VOLUME ONE: HISTORY

Figure 3.19 Postcard view of themain exhibition building fromLincoln Road ( Hagley Avenue).Source: PhotoCD 1, IMG00013, CCL

attachment 7


As in previous years, sports groups were required to prepare the grounds at their own expense and pay a licence fee to the Domains Board to occupy a fixed part of the Park. This was a nominal fee,with football and hockey paying 30 shillings a year for three acres, and the Ground Committeerepresenting cricket, paying £15 pounds for the use of ten acres.358 Designs for all proposedstructures were reviewed by the Board, and the cost of erecting buildings was met by the sportsclubs who, although frequently permitted to fence off their grounds, greens and lawns, were notpermitted to debar the public from entering. It was stressed by the Domains Board that Hagley Parkbelonged to the public, and was absolutely open to everyone, without charge for admission.

New licences and structures agreed by the Board during this period are summarised as follows;• 1886. Canterbury Rugby Union Footballer's Memorial pavilion erected on North Hagley Park • 1889. Cricket Club caretaker's house built on South Park • 1891. Linwood Football Club granted a ground on North Hagley Park• 1891. The re‐formed Christchurch Golf Club held its first match on North Hagley links in September• 1892. Christchurch Polo Club granted 15 acres in South Park behind Christ's College Cricket Ground in the north‐west corner of the Park. By 1900 this had grown to 25 acres 2 roods and 25 perches

• 1892. The Christchurch Ladies’ Golf Club began to share the 18 hole layout of the Christchurch Golf Club's course

• 1893. Christchurch Polo Club pavilion erected to a design approved by the Board• 1893. Christchurch Golf Club erected a hut (on wheels) on North Park to hold their equipment• 1896. Hockey Club granted ground between the polo ground and the College Cricket club• 1899. Model Yacht Club pavilion erected near Victoria Lake• 1901. Golf Course reduced to nine holes in 1901• 1902/ 1903. Christchurch Golf club surrendered its lease and removed its hut on wheels• 1904. Hagley Golf Club formed and took over the nine‐hole course • 1905. United Bowling, Tennis and Croquet Club took up a lease of 3 acres, 3 roods and 27.2 perches in North Hagley Park in an area “bounded by the Plane Avenue Riccarton Road and the Wellingtonias.” Their two‐storey pavilion was erected in December 1905

358 The Star, 25 September 1900, p. 1


Figure 3.37 Cricket Pavilion and caretaker's house, South Hagley Park, ca. 1908. Source: Part of G‐004102‐1/1, ATL


Hagley Oval, taking the turf from their Dilloway's pitch with them.138 (Refer Volume 2:1.9.4 for a fullaccount of the history of the pavilion). Soon after this the Albion and a newly re‐formedChristchurch Cricket Club were given permission to develop pitches near Hospital Corner.139

Challenger (1979) has noted that, by the time Barker tended his resignation in late 1867, theperimeter belts of Hagley Park were wholly in existence except for the belt adjacent to what is nowknown as Harper Avenue and a small portion in the north‐east corner of North Hagley Park oppositePark Terrace. It is possible that these areas were left unplanted to facilitate access to a workingshingle pit which operated in North Park until 1870, “when it was abolished owing to the greatinjury done to the Park by carting the gravel away.”140 In addition, tree belts had been formed onthe north side of the Avon River, opposite Christ's College and thorn hedges edged the RiccartonAvenue boundary of both North and South Hagley Parks.

Access into Hagley Park had been improved by the construction of the College Bridge at the westernend of Armagh Street in 1859.141 In addition, as part of the subdivision of his property to the northof North Hagley Park, Joseph Helmore had erected what came to be known as Helmore's Bridge in1865.142 Access through the Park had also been addressed with a system of utilitarian footwalks thatlinked the College Bridge with stiles which had been constructed to allow access to Park Road,Fendal Town (Fendalton), Riccarton and Great South Roads (figure 3.7).

138 'Dilloway's Ground and Hagley Oval', Unsourced publication held on New Zealand Historic Places Trust Christchurch Branch File: 12009‐086 139 Reese, T. W. (1945) A short history of Hagley Park, pp. 4‐7 140 The Press, 21 November 1906, p. 12141 Lamb, R.C. (1981) From the Banks of the Avon, p. 125142 Hagley Park bridges including Carlton Mill and Helmore's. CAAR 19946 CH287/ICPW 2525/1876, ANZ


Figure 3.6 Photograph of a lithograph depicting the England vs. Canterbury cricket match held at 'Dilloway's'North Hagley Park, in February 1864. Enoch Barker's perimeter plantings are depicted as a running belt to therear of the stands and tent. The pavilion (right background) was constructed for this event. Source: Exploded detail from “All England II. V 22 of Canterbury. N. Zealand 8th, 9th, 10th of Feb. 1864” 1/2‐028957‐G, ATL

Cricket Pavilion and caretaker’s house, South Hagley Park, circa 1908

Exploded detail from “All England II. V 22 of Canterbury, N. Zealand 8th, 9th, 10th Feb. 1864 source: 1/2-028957-G, ATL

source: Part of G-004102-1/1, ATL

attachment 8

Sheep grazing in Hagley Park, 1910 Hagley Park

`In the past, animals grazing on urban green spaces like Hagley Park, Christchurch, would have been a common sight. Farm animals were kept in urban areas well into the 20th century and parks were a con-venient place to house and feed them, particularly if saleyards were nearby. Owners had to get permission from the local council – but not all did, particularly in the early days of settlement when local govern-ment structures were still emerging.`

source: www.teara.govt.nz, 1910 source: Brian Brake, Te Papa online collection

attachment 9

Hagley Oval Addington Brook

embankment proposal

Christchurch EcosystemsDry Plains

Houherepiwakawaka - kohuhu, mid-age plains ecosystem

Kahikateakereru - manatu, older plains ecosystem

Totarabellbird - matai, older plains ecosystem

Pukiopukeko - karamu, peat plains ecosystem

Wet Plainssource: Lucas Associates & Ian Lynn, Landcare Research 1995

1850 Landcover of Christchurch source: Lucas Associates 2011, based on Waterways, wetlands, and vegetation cover of the Christchurch Region, as at 1856. Modified by J. Walter based on a compilation in Wilson (1989), which was based on the Black Rural Section cadastral maps of 1856.

Addington Brook

HagleyOval

Underlying Ecosystems of ‘the site’

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Hagley Oval

Hagley Oval

LiDAR image (DRAFT March 2011) LiDAR image (DRAFT March 2011) with embankment proposal

Addington Brook Addington Brook

Riccarton AveRiccarton Ave

Avon RiverAvon River

attachment 11

HAGLEY PARK MANAGEMENT PLAN 2007

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Hagley Park Landscape Zones

source: Hagley Park Management Plan 2007, Christchurch City Council attachment 12

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Convention Centre

Papa o Ōtākaro Avon River Precinct

Te Puna AhureaCultural Centre (indicative)

Cricket Oval

Metro Sports Facility

Justice & Emergency Services Precinct

Health Precinct

The Frame

Retail Precinct

Botanic Gardens New Visitor CentreNew Visitor Centre including inter pretation and information facilities, a new café and greenhouses

Christchurch Hospital

Antigua Boatsheds and FootbridgeHistoric riverside recreation since 1882

Cambridge TerraceLocal tra�c and buses only along part of Cambridge Terrace to provide widened river corridor

Bridge of RemembranceWar memorial and gathering space at the end of City Mall. Design improved to remove visual barriers and improve access

Addington Brook

Riccarton Stream

Canterbury Provincial Council BuildingsHeritage buildings that housed the early provincial government

Additional islands provide habitat for birds

Deciduous canopy trees to provide shade in summer

Commuter cyclists on true left bank

Christchurch Central Blueprint Summary (pp 5-6) overlain with Avon River Precinct Te Papa o Ōtākaro (pp 55-56)

source: Christchurch Central Recovery Plan, 2012

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Hagley Park on a winters day without the maintenance fence Cricket in Hagley Parksource: Save Hagley Park’s Facebook page source: Save Hagley Park’s Facebook page

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St Albans Pavilion and Umpires Pavilion source: Athfield Architects Ltd Hagley Cricket Oval Perspectives, View 4 Existing p.10

10-22Hagley Oval 23.01.13

P.10

hagley cricket oval / perspective images

View Four: Existing

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Photo Locations

DEAN

S AVE

RICCARTON AVE

HAGLEY AVE

source: Google Earth, 26th April 2013

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view 15Hagley

Oval

temporary carpark

MOORHOUSE AVE

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VIEW 1: Existing entry into the Horticultural Hall carpark from Riccarton Ave. Photo taken: 29th April 2013

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VIEW 2: Looking south along Addington Brook toward Horticultural Hall Photo taken: 29th April 2013

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VIEW 2: Looking north along Addington Brook to Riccarton Ave. Photo taken: 29th April 2013

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VIEW 3: Looking north along Addington Brook, Horticultural Hall access on left Photo taken: 29th April 2013

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VIEW 4: Looking north along Addington Brook, Old Boys Collegians Pavilion on right to be demolished Photo taken: 29th April 2013

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VIEW 5: Addington Brook (Old Boys Collegians Pavilion on left to be demolished) VIEW 6 : Addington Brook by Horticultural HallPhoto taken: 29th April 2013 Photo taken: 29th April 2013

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VIEW 7a: Looking south over Hagley Oval from second floor of Umpires Building

VIEW 7b: Looking south over Hagley Oval from second floor of Umpires Building (panorama stitched)

Photo taken: 23rd April 2013

Photo taken: 5th May 2013

Horticultural Hall

Old Boys Collegians Pavilion (to be demolished) Store Shed (to be demolished)

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VIEW 8: Looking south over Hagley Oval from beside Umpires Pavilion Photo taken: 23rd April 2013

Horticultural Hall

Old Boys Collegians Pavilion (to be demolished)Umpires Pavilion Store Shed (to be demolished)

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VIEW 9: Looking south over Hagley Oval from carpark on Riccarton Ave. Photo taken: 23rd April 2013

Horticultural Hall

Old Boys Collegians Pavilion (to be demolished)Umpires Pavilion

St Albans Pavilion

Groundsmans House

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VIEW 10: Looking south over Hagley Oval from Line Walk Photo taken: 29th April 2013Old Boys Collegians Pavilion (to be demolished)

Groundsmans House

Umpires’ PavilionSt Albans PavilionRiccarton Pavilion

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VIEW 11: Looking south-east over Hagley Oval to the Port Hills

Old Boys Collegians Pavilion (to be demolished) Horticultural Hall


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VIEW 12: Looking south through Line Walk and over Hagley Oval Photo taken: 29th April 2013

Umpires’ PavilionSt Albans Pavilion Groundsmans House Old Boys Collegians Pavilion (to be demolished)

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VIEW 13a: Looking south through the line walk and over Hagley Oval

VIEW 13b: Looking south through the line walk over Hagley Oval with dashed green line as indicative embankment height

Photo taken: 29th April 2013

Horticultural HallOld Boys Collegians Pavilion (to be demolished)

Groundsmans HouseUmpires PavilionSt Albans Pavilion

attachment 29

Photo taken: 23rd April 2013VIEW 14: Looking north-east over Hagley Oval from Line Walk

Photo taken: 23rd April 2013VIEW 15: Looking north-west over Hagley Park South over Christs College grounds

Umpires’ PavilionSt Albans PavilionRiccarton Pavilion

Groundsmans House

Old Boys Collegians Pavilion (to be demolished)

Horticultural Hall

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Photo taken: 29th April 2013VIEW 16: The Line Walk entrance from Riccarton Avenue and carpark

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Photo taken: 29th April 2013VIEW 17a: Looking north-east over Hagley Oval from near Christs College facilities

Old Boys Collegians Pavilion (to be demolished)Groundsmans HouseUmpires PavilionSt Albans Pavilion

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Photo taken: 29th April 2013VIEW 17b: Looking north-east over Hagley Oval with dashed green line as indicative embankment height

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Photo taken: 29th April 2013VIEW 18: Looking north-east over Hagley Oval with dashed green line as indicative embankment height

Old Boys Collegians Pavilion (to be demolished)Groundsmans HouseUmpires PavilionUmpires Pavilion

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VIEW 19b: Looking north-east over Hagley Oval with dashed green line as indicative embankment height

VIEW 19a: Looking north-east over Hagley Oval

Old Boys Collegians Pavilion (to be demolished)Groundsmans HouseUmpires PavilionSt Albans Pavilion

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Photo taken: 23rd April 2013VIEW 20a: Looking east from Deans Ave over Hagley Park South to Hagley Oval & Umpire´s Pavilion

Store shed (to be demolished)Umpires Pavilion Groundsmans House, grandstand & sheds

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Umpires Pavilion

Groundsmans House Groundsmans House, grandstand & shedsSt Albans Pavilion

VIEW 20b: Looking east from Deans Ave over Hagley Park South to Hagley Oval & Umpire´s Pavilion

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VIEW 21: Hagley Avenue and Netball Association building (Atrium in the Park) Photo taken: 5th May 2013

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VIEW 22a: From Hagley Ave over Netball court mound Photo taken: 5th May 2013

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VIEW 22b: From Hagley Ave over Netball courts, across temporary carpark to Hagley Oval Photo taken: 5th May 2013

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VIEW 23: Hagley Avenue’s Avenue Photo taken: 5th May 2013

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Photo taken: 29th April 2013Looking east from Riccarton Ave over Hagley Park North

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Photo taken: 29th April 2013Hagley Park North from Riccarton Ave looking over Rugby Fields through to Tennis Club

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CHRISTCHURCH CITY COPPER, LEAD AND ZINC CONCENTRATIONS COMPARED TO ANZECC SEDIMENT QUALITY GUIDELINES

1. Map image: Land Information New Zealand NZ Topo50 Series, Crown Copyright Reserved.2. Schematic only, not to be interpreted as an engineering design or construction drawing.

25DECEMBER 20111078105525PROJECT

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SAMPLING SITES - CHRISTCHURCH (AREA E) 6DECEMBER 20111078105525PROJECT

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source: Canterbury regional urban stream sediment and biofilm quality survey p 67, report prepared for ECAN by Golder Associates, January 2012

source: clipped from Canterbury regional urban stream sediment and biofilm quality survey p 27, report prepared for ECAN by Golder Associates, January 2012

CANTERBURY REGIONAL URBAN STREAM SEDIMENT AND BIOFILM QUALITY SURVEY

January 2012Report No. 1078105525 65

6.6 Implications of Changes in Metal Concentrations in Sediments The ANZECC (2000) sediment quality guidelines are used in this section to assess the potential effects that sediment quality may have on biological communities inhabiting the stream. Increased concentrations of metals in stream sediments have the potential to adversely affect stream biota that inhabit these sediments. Toxicity arises through the exposure of organisms to pore water within the sediments. Metals adsorbed to sediment particles are in equilibrium with the metals in the pore water. The concentration in the pore water is a function of many factors including the redox state of the sediment (how much oxygen is present) and the rate of diffusion between the pore water and the overlying stream waters. Concentrations can in some situations become high enough to exert toxic effects on biota. It should be noted however, that toxicity may arise from constituents other than metals. Ammoniacal nitrogen is common in stream-bed sediments especially if organic matter builds up and the sediments become anaerobic. A number of studies have shown that ammoniacal nitrogen in sediments is often implicated as the prime causal agent of toxicity.

In Figure 25 and Figure 26 the concentration of copper, lead and zinc has been presented graphically in a traffic light system, where green denotes sediment metal concentrations were below the ISQG-Low, yellow denotes concentrations above the ISQG-Low, but below the ISQG-High, and red denotes concentrations above the ISQG-High. Table 9 provides a summary of the ANZECC (2000) ISQG exceedences.

Only two ISQG-High trigger values were exceeded across the entire survey:

Zinc in Addington Brook at Riccarton Ave (Christchurch)

Lead in Taitarakihi Creek at SH1 (Timaru)

All sites recorded cadmium, chromium and nickel concentrations below the ISQG-Low trigger value. This indicates that concentrations of these parameters would be unlikely to cause adverse effects on aquatic biota.

Arsenic concentrations were below the ISQG-Low trigger value at all sites except for Addington Brook at Riccarton Ave (Christchurch). Copper concentrations exceeded the ISQG-Low trigger value at one site (Heathcote River/Ōpāwaho at Annex Road).

Lead and mercury concentrations were below the ISQG-Low trigger value at the majority of sites. Dock Creek at Chamberlains Park (Amberley) and Avon River/Ōtakāro at Fitzgerald Ave (Christchurch) reported lead and mercury concentrations above the ISQG-Low trigger but as noted above, lead exceeded the ISQG-High trigger in Taitarakihi Creek at SH1 (Timaru).

Zinc concentrations exceeded the ISQG-Low trigger value at 10 sites and as noted above, zinc exceeded the ISQG-High trigger value in Addington Brook.

Table 9: Summary of sites where exceedences of ANZECC (2000) sediment quality guidelines were found in this study. Site No. Location Arsenic Copper Lead Mercury Zinc

3 Dock Creek4 Dock Creek10 Avon River/Ōtakāro13 Avon River/Ōtakāro15 Addington Brook

16 Heathcote River/Ōpāwaho




Hagley Oval

Addington Brook sampling site 15

attachment 44



Table 8: Metal/metalloid concentrations in sediment samples collected from Canterbury streams. Site Number Waterway Arsenic Cadmium Chromium Copper Lead Mercury Nickel Zinc

1 Lyell Creek 6.4 0.32 17 27 27 0.094 16 160

2 Lyell Creek 5.4 0.12 14 14 17 0.065 13 81

3 Dock Creek 4.8 0.45 20 32 150 0.17 10 260

4 Dock Creek 2.8 0.21 12 11 17 0.078 9.1 220

5 South Brook 2.4 0.056 11 7.6 14 0.044 7.5 57

6 Middle Brook 3.4 0.12 12 27 48 0.071 8.6 140

7 North Brook 2.0 0.062 11 8.2 19 0.080 8.7 79

8 Avon River/Ōtakāro 7.7 0.15 30 20 32 0.11 15 150




12 Avon River/Ōtakāro 1.0 0.12 11 8.9 27 0.047 8.9 120

13a1 Avon River/Ōtakāro 3.6 0.28 15 35 70 0.083 9.4 250

13b Avon River/Ōtakāro 4.0 0.30 15 38 70 0.077 9.4 250

13c Avon River/Ōtakāro 4.0 0.29 16 41 72 0.086 10 270

14 Dudley Creek 2.1 0.052 10 4.6 14 0.038 8.4 61

15 Addington Brook 21 0.24 16 16 39 0.047 14 500


4.6 0.30 28 25 36 0.078 13 250


2.1 0.040 11 6.0 10 0.043 8.6 71

18 Heathcote 7.3 0.45 21 54 50 0.087 14 410



Table 15: Trace element concentrations in biofilms from urban streams in Canterbury. Site Number Waterway Arsenic Cadmium Chromium Copper Lead Mercury Nickel Zinc

1 Lyell Creek – Information Centre 9.2 0.2 35 85 16.5 0.21 27 115

2 Lyell Creek – u/s SH1 11.4 0.25 29 92 10.9 0.26 27 92

3 Dock Creek – Chamberlains Park 9 0.42 53 124 121 0.23 48 450

4 Dock Creek – d/s Lawcocks Rd 6 0.32 68 73 21 0.29 35 200

5 South Brook - u/s Railway Rd 7 0.25 68 96 23 0.34 35 2406 Middle Brook- Denchs Rd 12.5 0.27 42 74 108 0.19 28 390

7 North Brook – d/s stormwater pond 8.8 0.31 46 90 55 0.32 47 174

8 Avon River/Ōtakāro – Pages Rd 18 0.19 40 28 49 0.2 20 157

9 Avon River/Ōtakāro – Kerrs Reach 15.9 0.23 35 54 57 0.21 32 320

11 Avon Rivew – Antigua Boatsheds 10.3 0.41 38 92 79 0.33 30 460

12 Avon River/Ōtakāro – Carlton Corner 16.4 0.43 33 98 93 0.36 34 410

13 Avon River/Ōtakāro – Mona Vale 10 0.36 67 128 130 0.3 49 260

14 Dudley Creek – Banks Ave 24 0.61 41 62 129 0.21 29 780

15 Addington Brook – Riccarton Ave 90 6.0 39 121 80 0.23 91 7,100

16 Heathcote River/Ōpāwaho –d/s the cut 10.6 0.32 56 43 59 0.16 21 300




Addington Brook sampling site 15attachment 45



a) Arsenic b) Cadmium

c) Chromium d) Copper

Figure 27: Concentrations (mg/kg) of (a) arsenic, (b) cadmium, (c) chromium and (d) copper recorded in biofilms and sediments at stream sites sampled in 2011. ANZECC recommended sediment quality trigger values for ISQG "high" and "low" are shown. Site names and corresponding site number are listed in Table 2.

0

10

20

30

40

50

60

70

80

90

100

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31Ar

seni

c (m

g/kg

)Site Number

Biofilm Sediment

ISQG - High 70 mg/kg

ISQG - Low 20 mg/kg

0

1

2

3

4

5

6

7

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Cadm

ium (m

g/kg

)

Site Number

Biofilm

Sediment

ISQG - Low 1.5 mg/kg

*ISQG - High 10 mg/kg

0

10

20

30

40

50

60

70

80

90

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Chro

miu

m (m

g/kg

)

Site Number

Biofilm

Sediment

ISQG - Low (80 mg/kg)

*ISQG - High 370 mg/kg

0

50

100

150

200

250

300

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Copp

er (m

g/kg

)

Site Number

Biofilm

Sediment

ISQG - Low 65 mg/kg




a) Lead b) Mercury

c) Nickel d) Zinc

Figure 28: Concentrations (mg/kg) of lead (a), mercury (b), nickel (c) and zinc (d) recorded in biofilms and sediments at stream sites sampled in 2011. ANZECC recommended sediment quality trigger values for ISQG "high" and "low" are shown. Site names and corresponding site number are listed in Table 2.

0

50

100

150

200

250

300

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Lead

(mg/

kg)

Site Number

Biofilm

Sediment

ISQG - Low 50 mg/kg


0

0.05

0.1

0.15

0.2

0.25

0.3

0.35

0.4

0.45

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Mer

cury

(mg/

kg)

Site Number

Biofilm

Sediment

ISQG - Low 0.15 mg/kg

*ISQG - High 1.0 mg/kg

0

10

20

30

40

50

60

70

80

90

100

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Nick

el (m

g/kg

)

Site Number

Biofilm

Sediment

ISQG - Low (21 mg/kg)

ISQG - High (52 mg/kg)

0

200

400

600

800

1000

1200

1400

1600

1800

2000

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31

Zinc (

mg/

kg)

Site Number

Biofilm

Sediment


ISQG - Low 200 mg/kg

*Biofilm Zinc Concentration at Site 15 continues to 7100 mg/kg




attachment 46

attachment P39

View from Titirangi Road over Melville Cove

Gannet Point

Sanford Pool Head mussel farm

Port Gore Saddle

Mt FurneauxMelville Cove

Tinui

Hagley Park South sign on Deans Ave. Photo taken: 29th April 2013

attachment 47

Hagley Oval Attachments

Documents

hagley park plan

christchurch city council

christchurch botanic

central christchurch

jpghagley park aerial

conservation plan

draft maps

postquake source