Recent projects

2020 Projects

Submain Renewal

Scope of works

UINZ were engaged by CCC to replace 4.3km of DN63 submain in Aranui, Somerfield and Sydenham Areas. This project ran for 11 months including a short break for Covid 19 lockdown. This project was completed with a 50% share of the workload between UINZ crews and one subcontractor, Brent Cook. It was finished to a high standard, which was noted by the client on final walkover.

Key information:

Project Value: $1,200,000.00
Date Started: January 2020
Date Completed: December 2020
Client: Christchurch City Council
Location: Christchurch

KDC WWTP Inlet Main

Scope of works:

  • To install 200m of 355 PE to replace the temporary overland pressure main installed after the Kaikoura earthquake.
  • The install required attaching the pipeline to the side of a bridge and connecting to the ex. 300 A/C line.

Key information:

Project Value: $208,000.00
Date Started: July 2020
Date Completed: August 2020
Client: Kaikoura District Council
Location: Kaikoura

KDC Segment Repairs CW-EQ-099

Scope of works

UINZ went into this project as a joint venture with Isaacs Construction repairing damaged sections of underground infrastructure from the Kaikoura Earthquake and also a large water-main replacement along the Esplanade.

Key information:

Project Value: $1,200,000.00
Date Started: August 2020
Date Completed: December 2020
Client: Kaikoura District Council
Location: Kaikoura

EXXON MOBIL OIL NZ
Lyttelton to Woolston pipeline improvements

Scope of works

UINZ were awarded 670m of DN150 SCH40 fuel pipe line on behalf of MOBIL OIL NZ to replace an existing DN100 section of pipeline. The pipeline extended up the Bridle path road to a tie location above the tunnel entrance on Tunnel road. The tie in location on the downstream is located beside station road after the Heathcote valley school.

The pipeline has not be renewed since the 1960s. With a lot of emphases on safety and quality, UINZ worked in closure with Mobil , McConnel Dowell and Taurus engineering. This allowed UINZ to install the DN150 pipe with minimal disruption to the area and at a high quality finish and performing at a very high safety standard.

Key information:

Project Value: $615,000.00
Date Started: June 2020
Date Completed: November 2020
Client: McConnel Dowell
Location: Heathcote Valley

CNC Downstream SP2 Water Main renewal (FH)

Scope of works

UINZ had been asked to complete watermain upgrades on Westminster St and Dee St, St Albans.

This job was increased to several water main relocations in surrounding streets to accommodate new SW water being laid by others.

The project went well and was finished on budget and all final connections completed during the night to accommodate location Businesses.

We used both trenching and trenchless technology to complete the works which minimised disruption and road closures.

The pipeline has not be renewed since the 1960s. With a lot of emphases on safety and quality, UINZ worked in closure with Mobil , McConnel Dowell and Taurus engineering. This allowed UINZ to install the DN150 pipe with minimal disruption to the area and at a high quality finish and performing at a very high safety standard.

Key information:

Project Value: $230,000.00
Date Started: May 2020
Date Completed: August 2020
Client: Fulton Hogan
Location: Christchurch

Sparks/Hendersons Road WM Renewals

Scope of works:

UINZ were awarded the 1.5km DN250 watermain renewal by Christchurch city council by lowest confirming tender, UINZ completed the entire pipeline using our in house trenchless technology completing the project with minimal disruption to the local area and completing the project 2 weeks ahead on programme. UINZ also offered ECI to this project 12 month prior to it being disrupted for tender.

Key information:

Project Value: $738,000.00
Date Started: May 2020
Date Completed: August 2020
Client: Christchurch City Council
Location: Hoon Hay / Christchurch

Kiwi Rail Scenic Journeys

Scope of works:

With never worked with HRS before UINZ tendered to complete all the drainage and underground service for the new KiwiRail service centre and was successful with working closely around the design and costs to complete.

Key information:

Project Value: $790,000.00
Date Started: February 2020
Date Completed: July 2020
Client: HRS
Location: Woolston

CNC downstream SP1

Scope of works:

With Isaac’s Being awarded the new road construction of cranford street, a new 1.3km watermain was to be installed in which UINZ were approach to install Via Directional drilling the job also included 20 major shutdowns and connections to the ex. Network.

Key information:

Project Value: $1,180,000.00
Date Started: February 2020
Date Completed: August 2020
Client: Isaac Construction
Location: Edgeware

Wastewater package 4

Scope of works:

The final piece of the waste water wider project taking the waste water from the Lyttleton bays to the Christchurch main treatment plan in Bromley UINZ were nominated to complete the 4.5km pipeline from the tunnel to the main pump station in ferry road, this project was a huge design challenge with having all types of installation methods to install the pipeline.

Key information:

Project Value: $4,500,000.00
Date Started: April 2019
Date Completed: July 2020
Client: Fulton Hogan Civil South
Location: Heathcote

QE2 SP2 & SP3 Waste & Water

Scope of works:

Since the start of the Christchurch Northern Corridor starting UINZ has been completing works for the alliance and were awarded the 3 waters package the involved 300m of DN355 booster main for water and new pressure main crossing the newly worked motorway.

Key information:

Project Value: $415,000.00
Date Started: January 2020
Date Completed: March 2020
Client: CNC alliance
Location: Papanui

Wastewater Package 3 - Pump stations

Scope of works:

On the back of WWP2 being a huge success UINZ were nominated to complete the civil works for FHCS on WWP3 with 70% of the project having to be completed at night this made things tricky for unknown interruptions, the project consisted of upgrades to 3 ex. Pump stations and a new pump station at simion quay near the tunnel.

Key information:

Project Value: $950,000.00
Date Started: September 2018
Date Completed: August 2020
Client: Fulton Hogan Civil South
Location: Lyttleton

Telco Ducting Drilling

Scope of works:

Part the earthquake recovery plan in Kaikoura UINZ were awarded the Telco ducting project that ran through the north side of Kaikoura upgrading the ducting for the fibre network feeding the town ship this duct was approx. 7km long and through approx. 4km of rock in the road carriage.

Key information:

Project Value: $2,102,800.00
Date Started: September 2019
Date Completed: March 2020
Client: NCTIR
Location: Kaikoura

2019 Projects

Kaikoura WWTP

Scope of works:

UINZ’s first WW treatment plant project fell with in our recently form joint venture between, Isaac’s Construction and ARC Projects, our JV was awarded the $2.6million upgrade project in which UINZ completed all the PipeWorks and large connection on the project.

Key information:

Project Value: $869,000.00
Date Started: July 2019
Date Completed: December 2019
Client: Kaikoura District Council
Location: Kaikoura

Darfield Bio-Digester

Scope of works:

With our recent success on projects with civil south we were contracted in to complete all underground services works on the new upgrade to the Fonterra plant in darfield which consisted of large-scale stormwater and power ducting.

Key information:

Project Value: $236,000.00
Date Started: September 2019
Date Completed: December 2019
Client: Fulton Hogan Civil South
Location: Darfield

Darfield Watermain Renewals

Scope of works:

UINZ were awarded the Darfield watermain renewals with 2 parts of the project both the bulk watermain feeding the town ship and the submain feeding some rural properties this works consisted on a pipe ramming under SH76

Key information:

Project Value: $350,000.00
Date Started: July 2019
Date Completed: September 2019
Client: Selwyn District Council
Location: Darfield

Perymans Bridge crossing

Scope of works:

The Perymans Bridge had developed a large leak over the years of movement with an internal pipe, SDC decided to reinstate the PipeWorks to the outside of the bridge in which UINZ were contracted by Sicon to complete the works, UINZ completed both the design and construction of the pipe crossing using specialised brackets and custom made Galv dipped DN200 pipe.

Key information:

Project Value: $98,000.00
Date Started: May 2019
Date Completed: June 2019
Client: Sicon
Location: Tai Tapu

Southbridge watermain

Scope of works:

Southbridge had just been issued a new water well with the requirement of a new booster main to the old town of southbridge UINZ were contracted into directional drill in DN250 PE for approx. 400m from the new pumping station to the town centre.

Key information:

Project Value: $195,000.00
Date Started: March 2019
Date Completed: April 2019
Client: Sicon
Location: Southbridge

Prestons Raw Bulk watermain

Scope of works:

Part of the well head packages through Christchurch city council FHCS was awarded prestons pump station which included 300mm of DN250 PE and new valve chambers UINZ was subbed in by FHCS to complete all physical works on the project in which our drill team installed all ducting and PipeWorks.

Key information:

Project Value: $235,000.00
Date Started: March 2019
Date Completed: April 2019
Client: Fulton Hogan Civil South
Location: Burwood

Quarryman’s Trail Stage 1b

Scope of works:

With success in the quarryman’s cycleway stage 1A with Isaac’s construction UINZ were nominated to complete the similar build on the sparks/Henderson intersection installing a 4-way DI water system for the intersection upgrade. UINZ also completed all the traffic light ducting and Orion ducting Via Directional Drilling.

Key information:

Project Value: $421,000.00
Date Started: December 2018
Date Completed: March 2019
Client: Fulton Hogan Canterbury
Location: Hoonhay

2018 Projects

Cashin Quay Railway crossing (Part of WWP2)

Scope of works:

Part of WWP2 UINZ were awarded additional works to install 2 x steel casings under the main port railway in a 36 hour window which we structured 80% of staff to work 24hrs a day in 12 hour shifts with careful planning and hard work from our teams we completed this in 30 hours, 6 hours earlier than expected.

Key information:

Project Value: $189,000.00
Date Started: December 2018
Date Completed: December 2018
Client: McConnell Dowell
Location: Cashin Quay, Lyttleton Port

Tai Tapu Wastewater upgrade

Scope of works:

With the old PVC pumping main from Tai Tapu to halswell starting to cause some problems UINZ were awarded a 1.2km renewal package as part of the Selwyn District council upgrade scheme all works were complete by our trenchless team with minimal disruption to the traffic.

Key information:

Project Value: $195,000.00
Date Started:
Date Completed:
Client: Sicon
Location: Tai Tapu

Lyttleton Deluge Pipeworks

Scope of works:

Part of the upgrade to the services through the Lyttleton tunnel UINZ were contracted in to complete the pipework on the hill from the new reservoir to the tunnels pump station.

Key information:

Project Value: $200,000.00
Date Started: July 2018
Date Completed: November 2018
Client: McConnell Dowell
Location: Heathcote

Onshore pipeline, Lyttleton WWP2

Scope of works:

Part of the wastewater wider projects in Lyttleton, McConnell were awarded package #2 which include 5 parts of the project, UINZ were awarded parts 3 and 5 of the projects which also won underground project of the year in 2018 at the Canterbury contractor of the year awards.

1. String DN250 pipe across the floor of the harbour to the governor’s bay pump station
2. String DN160 pipe across the harbour to the diamond harbour pump station
3. Install twin pipes from the shore 3kms to the simion quay pump station
4. Install DN250 from simion quay to the Lyttleton port
5. Install DN355 Steel pipe under the railway tracks and fed DN250 pumping main through the sleeves

Key information:

Project Value: $2,250,000.00
Date Started: April 2018
Date Completed: September 2018
Client: McConnell Dowell
Location: Godley Quay, Lyttleton Port

Smith st - William street watermain

Scope of works:

Some large water connections were required as part of Isaac’s road project UINZ were subbed in to complete all connections and testing.

Key information:

Project Value: $133,000.00
Date Started: March 2018
Date Completed:
Client: Isaacs construction
Location: Kaiapoi

Southbridge sub-division

Scope of works:

Teaming up with our good friends SEE we completed southbridge newest subdivision of 18 lots including a new road front of the road down the main street of southbridge. The local developers were great to work for and the project ran very smoothly.

Key information:

Project Value: $255,000.00
Date Started: March 2018
Date Completed: April 2018
Client: South east earthworks
Location: Southbridge

Lincoln ponds

Scope of works:

With the growth of Lincoln this outfall and lead pipework needed upsizing to keep up with the waste from the area, UINZ were contracted in to complete all Pipe works and outfall.

Key information:

Project Value: $80,000.00
Date Started:
Date Completed:
Client: Sicon Ltd
Location: Lincoln

Quarryman’s Cycleway

Scope of works:

This project included both the installation of a new intersection watermain consisting of DN300 & DN200 Ductile iron renewed in all 4 directions of the intersection the entire job was completed at night in a 3 week window, along with the watermain upgrade we also completed the common services realignment for approx. 400m

Key information:

Project Value: $500,000.00
Date Started: December 2018
Date Completed: March 2019
Client: Isaac Construction
Location: Halswell

GODLEY QUAY, CASHMERE ROAD & WRIGHTS

Scope of works:

3 locations of watermain installs which consisted of 1km of 200mm – 300mm of CLDI & 1.8km of DN250 PE PN16 which is all installed Via Open Cut trenching, UINZ were the main contractor for this project.

We completed all the major connections to ex. mains

UINZ are completing all connections and Testing.

Key information:

Project Value: $1,742,000.00
Date Started: 14/08/2017
Date Completed: Estimated 20/04/2018
Client: Christchurch City Council
Location: Lyttelton, Cashmere & Addington

2017 Projects

MELVERN HILLS PIPELINE

Scope of works:

Open trench and Directional Drill a new DN 125 PE main through some rough terrains to replace an old AC watermain.

UINZ are completing all connections and Testing.

Key information:

Project Value: $186,000.00
Date Started: 20/02/2017
Date Completed: 24/03/2017
Client: Selwyn District Council/Sicon
Location: Sheffield, Melvern hills

CASTLE HILL ALPINE VILLAGE STAGE 5V

Scope of works:

To supply and install of all underground services including the gravity sewer main, storm water, water mains, power & fibre optic cables servicing 19 Residential Lots.

UINZ are completing all connections and Testing.

Key information:

Project Value: $298,000.00
Date Started: 21/02/2016
Date Completed: 24/04/2017
Client: Aurecon
Location: Castle hill village

CORSAIR DRIVE WIGRAM & CAULFIELD AVE LONGHURST (MIKE GREER DEVELOPMENTS)

Scope of works:

To supply and install all underground utilities from gravity wastewater. Stormwater, water reticulation and common services, liaising with all providers and sub-contractors and working in with the earthmovers and roading contractor’s South East earthworks.

UINZ are completing all connections and Testing.

Key information:

Project Value: $685,000.00
Date Started: 21/11/2016
Date Completed: 7/04/2017
Client: Bonish
Location: Wigram skies & Halswell – Christchurch

Westpark Subdivision

Scope of works:

Supply and install of all underground services including the gravity sewer main, storm water, water mains, power & fibre optic cables servicing 105 Residential Lots.

The storm water system Ranging from 100mm pipe to 900mm along with culverts and soak pits.

UINZ are completing all connections and Testing.

Key information:

Project Value: $1,356,000.00
Date Started: 23/08/2016
Date Completed: 10/5/2017
Client: Aurecon
Location: Oxford road, Rangiora