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Ngā Hau Māngere – Old Māngere Bridge replacement project

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August 2022

View looking south
Tweaking aiming of arch lights
The bridge at dawn
Temporary antislip coating completed, trees planted North side
Temporary antislip coating being applied
North approach progress
Ngā Hau Māngere at night
Ngā Hau Māngere at dawn
Ngā Hau Māngere
Ngā Hau Māngere
Ngā Hau Māngere
Mulch being laid, trees set out in northern raingarden
Installing back coverplates to arch
Installation of the kids quotes & artwork at the abutments
Foggy mornings during the week
Early start for the north concrete approach pour
Asphalt being laid, northern tie-in
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July 2022

Work on the southern abutment and raingarden
Deck furniture located near the fishing bays
Lighting on the arch and piers will provide colour and a feature in the landscape after sunset
View from the centre of the bridge and architectural arch
Native plants and shurbs have arrived on site ready for planting in the abutments
More native plants and shrubs
One of the heritage garden pieces being installed
Lighting on the handrail extend the hours of safe use
The change in colour of the balustrade can be seen
Abutment artwork includes panels reflecting the movement of water
Children_s artwork quotes for the abutments in development
Abutment artworks are created from a mix of materials
Reflecting the surrounding marine environment, fish are included in the abutment artworks
Reinstatement of Coronation Road ready for bridge opening
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June 2022

The southern approach - installing the timber for the deck
The northern approach facing south
The northern approach - The foundation for the timber deck & the heritage items have been installed
The fishing platforms facing north - the Onehunga side
On Coronation Road, the turning circle, footpath and road are being reinstated
The new bridge facing south
The new bridge facing north
The northern approach facing north
Final coating on the arch
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May 2022

The temporary platform (seen to the left of above image) which was needed to build the new bridge is being deconstructed
The seats have been installed on the new bridge
The new bridge facing Mangere Bridge
Southern land side approach underway
Parts of the temporary platform being lifted out and removed
One of the seats facing west
Last sections of the central deck being poured
Foundation for the timber deck is underway at the southern approach
Early morning concrete pour to complete the concrete deck on the new bridge
A pile (seen to the right of the above image) of the temporary platform being removed
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April 2022

Arch at sunrise
Bridge at sunrise
Central deck and arch made of steel - the hangers have been tensioned
Hangers installed
Installation of the balustrades
New bridge deck with anti-slip coating
Southern approach - Māngere Bridge side of the Manukau Harbour
Tensioning the hangers of the arch
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March 2022

Looking south
Temporary tower supporting the arch
Balustrades and fascia panels
Temporary works removal used to build the fishing platforms
Northern approach complete
Fishing platforms completed
Southern approach underway and land side preparation
Northern land side approach underway
Last concrete beam installed for bridge deck
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February 2022

Old Māngere Bridge replacement underway
Work underway on the southern abutment which links the bridge deck to the end of Coronation Road
The two temporary towers to maintain the arch and the main working platform
The new bridge underway
The arch in place
Prior to install the last piece of the central deck facing south
Placing the last piece of the central deck in place
On the bridge deck looking south
Old bridge and temporary working platform removed
Looking south from the north tower
Lifting the last piece of the deck
Last piece of the arch being installed
Last piece of the arch being installed
Last piece of the arch being installed
Last piece of the arch being installed
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January 2022

The new bridge underway
Removal of the temporary working platform
Installation of the balustrades underway
First section of the arch and two sections of the deck in place
Final concrete beams being installed
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December 2021

Photo of site looking south
Two elements of the arch and central deck for the new bridge installed
Temporary works for fishing platforms
New bridge deck underway - facing south
New bridge deck - facing north
Installation of balustrades
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November 2021

Northern approach underway on the left & temporary platform on the right
The new bridge taking shape
Lifting out a piece of the old bridge
Transporting the first element of central deck
Lifting the first element of the central deck into place
Two elements of the central deck in place
Last beam being removed
Last beam of the Old Māngere Bridge
Pier three cofferdam removed
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October 2021

Tying steel rebars together prior concrete pour for new bridge deck
Inside pier three cofferdam
Cofferdam removal for pier four
Concrete pour for pier five columns
The first three spans of the new bridge underway
Driving the pile into seabed to extend temporary working platform for deconstruction of the old bridge
Pier three columns inside the cofferdam
Concrete pour for northern bridge deck
Concrete pour for South abutment wall
Deconstruction of the old bridge underway
Section of the Old Māngere Bridge removed
Pier three being submerged
Pier five
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September 2021

The team installing fascia panels along the new bridge
Completing temporary support for central deck and arch installation
Fascia panels along span one to three
Vibro hammer driving the piles down for the temporary support at span four
The vibro hammer driving the temporary pile down into the seabed
Pier four surrounded by its cofferdam
South abutment wall constructed
Cofferdam of pier three to six and the old bridge
New bridge deck underway at the end of the north side
The old bridge piles in the Manukau Harbour and pier four and three
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August 2021

Temporary support
Pier 7 without cofferdam
Pier 6
Pier 5
Pier 4
Pier 3
Onsite progress
Onsite progress
Northern approach underway
Deconstruction of the old bridge underway
Cofferdams and old bridge demo
Cofferdams and old bridge demo
Bridge deck underway - fascia panels
Abutment south
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July 2021

Preparing for the base for pier six
Pier three columns poured
Pier four ready for concrete pour for the columns
Pier 7
On the temporary working platform_ pier two on the right, pier three on the left and the remaining half of the old bridge in front of pier three
Construction of the base of the deck underway
Cofferdam being removed around pier 7
Pumping out water in cofferdam at pier five
Base of the bridge deck being constructed
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June 2021

New bridge underway - first bridge deck complete - facing south
New bridge underway - facing south west
Pier three - formwork installation
Pier two
Pier two - sheet pile removal
Pier two - last few sheet piles to remove
Pier two, one and northern abutment completed
Demo and pier three underway
Pier four
Pier 2 ready to be submerged
Pier seven completed
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May 2021

Temporary works removal around Pier 2
Pier 7 columns poured
Pier 3 plinth poured
Old bridge span 4 removed
Lifting out the old bridge beam
Concrete pour for Pier 3 pile cap
Cofferdam pier 4
First pile of the old bridge removed
First fascia panel installed
Deconstruction of the old bridge underway
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April 2021

Old Māngere Bridge - facing Onehunga
Temporary work platforms in the middle the Old Māngere Bridge and pier two, three and four
First span for the bridge deck complete
Two beams placed on pier two
Pier two from the sky
Pier three – Tying reinforcing steel for pile cap
Pier four – Getting ready for sheet piles
Old Māngere Bridge at Sunset
Lifting out one of the old bridge beams
First span completed facing south
Central deck sections with one section of the arch
Beams being carted away via flat rack
Pile cap for Pier 7
Central deck section with a section of the arch being lifted
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March 2021

Welding the steel beams to support the wooden deck of the second temporary work platform
Sheet piles installation for cofferdam pier seven
Second temporary work platform underway
Pumping out water from cofferdam pier three
Piles cut down in cofferdam pier three
Cofferdam for pier seven underconstruction
Concrete beams being fabricated in Tauranga
Concrete beams support brackets installation
First concrete beam being lifted
First concrete beam in place
Floor preparation inside cofferdam for pier three
Frame for cofferdam pier seven in place
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February 2021

Deck Connectors on Pier Two
Western temporary work platform under construction
Northern abutment cofferdam
Third span of the old bridge removed
The tent where the central deck of the bridge is being joined together
Sections of the central deck of the bridge being joined together in the tent
Sections of the central deck of the bridge being joined together in the tent
Pier Two - deck connectors installed
Pier Three - sheet piling continues
Pier One
Northern abutment and Pier One complete - facing south
Northern abutment and Pier One complete - facing north
First components of the central deck of the bridge delivered on site
Second temporary staging works continue
Reinforcing cage for concrete beam being fabricated in Tauranga
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January 2021

Frame of the cofferdam for pier three
Pier one appearing in the Manukau Harbour surrounded by its cofferdam & northern abutment inside the steel box
Site facing south
Pier two construction underway
Reinforced steel cage being placed inside the pile prior concrete pour for the southern abutment
Temporary structure installation for second temporary work platform
Saw cutting a section of span three's old bridge
Permanent piling for southern abutment
Construction of the columns for pier two
Concrete floor for the northern abutment
Cofferdam frame for pier three
Section of span three's old bridge being lifted out
Pier one complete
Permanent piling for construction of second temporary work platform
First deck unit in the coating booth
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December 2020

Lifting plywood panel to build formwork for Pier two columns
Pier one complete
Construction joint preparation on top of permanent piles for Abutment A
Preparation for second temporary staging
Pier one complete
Trimming excess of pile casing for Abutment B
Installation of the column formwork and support for Pier Two
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November 2020

Concrete pour for the plinth
Cradles on temporary staging
Sheet piles installation for cofferdam abutment A
Cradles placed in preparation for pier two columns
Pier 3 to 7 facing South
Site panorama picture
Preparation of Pier 1 base
Plinth and preparation for construction of columns
North side
North facing south
Concrete pour for permanent piles at pier 6
Concrete base for Pier 1
Abutment A-preparation for corfferdam
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October 2020

Driving sheet piles
Pulling out temporary piles
Tying steel for construction of plinth for pier 2 part 1
Tying steel for construction of plinth for pier 2 part 2
Lifting material
Lifting reinforcing cage for pile
Placing reinforcing cage inside the pile
Tying steel for construction of plinth for pier 2 part 3
Tying steel for construction of plinth for pier 2 part 4
Installation of post tensioning tendons
Concrete pour for pile cap pier 2
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September 2020

Sheet piles installation for cofferdam for pier 1
Permanent piles construction for pier 3
Permanent pile cage installation for abutment A
Over cofferdam for pier 2 and reinforcing material on temporary staging
Installation of sheet piles for cofferdam pier 1
Installation of sheet pile guide frame for construction of cofferdam for pier 1
Installation of permanent piles
Facing south
Facing South
Facing north
Excavation for cofferdam pier 2
Deck connectors delivered to OMB site
Construction of pile cap for pier 2
Construction of pile cap for pier 2
Construction joint preparation on top of permanent piles
Construction joint preparation on top of permanent piles
Concrete base in cofferdam for pier 2
Bridge
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August 2020

Construction of pilling fingers 6 and 7
Pillling fingers from the old bridge facing North East at the motorway
Construction of pilling fingers facing North East
Construction of pilling fingers facing South East
Building the stairway
Welding finger staging pile
Installation of the pump for dewatering the cofferdam and installing the stairway
Trimming off excess pile casing
Welders cutting the temporary piles
Removing of waler hangers
Vibrating in temporary finger piles
Excavating the cofferdam
Proof drilling before pilling
Drilling is due to commence for permanent pilling at pier 3
Waler system lowering set up assembly
Removing finger staging
On temporary staging facing South
Inside the cofferdam pier 2
In the cofferdam pier 2
Cofferdam pier 2 looking South East
Cofferdam pier 2 being dewatered
Trimming off excess pile casing
On the temporary staging facing north
Dewatering
Pilling finger
Old Mangere Bridge
Cofferdam pier 2
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July 2020

Pier one concrete pour
Pier 2 cofferdam construction
Pier one
Pitching pile reinforcing cage
Piling to construct the cofferdam
Pier 1 pilling
Material for construction the cofferdam
Facing Mangere
Cofferdam
Cofferdam all sheet piles in place
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June 2020

Southern staging underway
Reinforce cage for permanent pile
Proof drilling for Pier 2
Placing steel beam for staging
Placing steel beam for staging
Placing reinforce cage for permanent pile
Placing reinforce cage for permanent pile
Placing reinforce cage for permanent pile
Placing reinforce cage for permanent pile
Placing reinforce cage for permanent pile
Piling gate installation on piling finger
Piling gate installation on piling finger
Piles
Pier 2 permanent piling getting ready
Pier 1 staging
Pier 1 piling finger construction underway
Pier 1 piling finger construction underway
Permanent works piles
Permanent piling works
Installation of permanent piles for Pier 2
Installation of noise & vibration monitoring to measure underwater noise & vibration
Concrete pour
Construction Pier 1 staging
Construction of Southern staging at the far back, Pier 2 ready for permanent piling & installation of piling finger for Pier 1
Concrete pour for permanent pile
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May 2020

From the temporary staging facing Onehunga
Crane on the temporary staging
On the Old Māngere Bridge
Temporary staging underway
Sections of the old Māngere Bridge being taken out of site
Facing Māngere
Construction progress of the temporary staging 2
Construction progress of the temporary staging
From the old bridge facing Māngere
Facing Onehunga
Piling for the temporary staging
Piling
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March 2020

Timber deck for temporary staging
Southern staging uderway
Southern staging construction underway
Southern staging construction underway
Removal of a section of the Old Mangere Bridge - Northern end
Preparation for removal of old bridge abutment
Preparation for removal of old bridge abutment 3
Preparation for removal of old bridge abutment
Piling for Northern staging
Getting ready to start construction of staging - Northern side
Construction of Southern staging
Construction of Northern staging
Construction of Northern staging
A section of the Old Mangere Bridge removed
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February 2020

Cutting off OMB handrail
Removing handrail from OMB
Beginning of construction of Southern staging
Begining of construction of Southern staging
Demo OMB
Installion of fabric to capture concrete cutting residue
Demo of the OMB
Assembly of staging beams
Demo North and staging construction in South
Start of demo of the OMB
Survey crane to check clearance to power lines
Lifting the OMB concrete beam
Concrete beam removed from the bridge
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January 2020

Temporary staging platform
Start construction of Southern staging
Start construction of Southern staging
Start construction of Southern staging
Start construction of Southern staging
Pour of the concrete beam
Placing asphalt onto access ramp - Southern side
Placing asphalt onto access ramp - Southern side
Permanent steel pile
Delivery of crane book section & steel strut stored in yard
Construction of abutment A piling platform - Northern side
Construction of abutment A piling platform - Northern side
Constructing access ramp onto Southern staging
Assembling 250 tonne crane
Assembling 250 tonne crane
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Events

Ngā Hau Māngere opening celebration – 27 August 2022
Ngā Hau Māngere opening celebration – 27 August 2022
Ngā Hau Māngere opening celebration – 27 August 2022
Ngā Hau Māngere opening celebration – 27 August 2022
Ngā Hau Māngere opening celebration – 27 August 2022
Ngā Hau Māngere opening celebration – 27 August 2022
Ngā Hau Māngere opening celebration – 27 August 2022
Ngā Hau Māngere opening celebration – 27 August 2022
Ngā Hau Māngere opening celebration – 27 August 2022
Ngā Hau Māngere opening celebration – 27 August 2022
Bike Auckland site visit - 4 July 2022
Walking across the bridge during the karakia - 19 August 2022
Walking across the bridge during the karakia - 19 August 2022
Start of the karakia on the Māngere Bridge side - 19 August 2022
Karakia underway on the Onehunga side - 19 August 2022
A few of the team during the dawn karakia - 19 August 2022
Mana Whenua site visit - 20 May 2022
Mana Whenua site visit - 20 May 2022
Epsom Girls Grammar career evening – 28 July 2021
Mangere Bridge Walkers Group - 17 June 2021
Mangere Bridge Residents and Rayepayers Association - 9 June 2021
Stakeholder and community representative visit - 30 April 2021
GirlGuiding NZ visit - 24 March 2021
Mana Whenua site visit - 19 March 2021
Mana Whenua site visit - 19 March 2021
Mana Whenua site visit - 19 March 2021
Mana whenua visit - 16 October 2020
Stakeholder and community representative visit - 29 October 2020
Community event 2 - 31 October 2020
Community event 1 - 31 October 2020
Community event 3 - 31 October 2020
Community event 5 - 31 October 2020
Friends of the farm presentation - 11 November 2020
Community event 4 - 31 October 2020
Cofferdam karakia with mana whenua & project team - 23 July 2020
Media visit – 10 March 2020
Stakeholder and community representative visit – 27 February 2020
Onehunga Festival – 22 February 2020
Mana whenua visit - 17 January 2020
Construction start celebration - 22 November 2019
Construction start celebration - 22 November 2019
Construction start celebration - 22 November 2019
Dawn blessing - 23 September 2019
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Old Māngere Bridge replacement project key features

View from Onehunga looking south across the Manukau Harbour
View from Onehunga looking south across the Manukau Harbour
Northern abutment
Southern abutment
New Māngere Bridge cross section and key features
Old Māngere Bridge Replacement project – cross section 2
Old Māngere Bridge Replacement project – cross section 3
Old Māngere Bridge Replacement project – cross section 1
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