Teretek® Re-levels Concrete Slab in Critical Factory Receiving Area
The Bega Cheese factory is a high-tech processing facility based in the NSW regional town of Bega. The iconic dairy factory, which produces approximately 20,000 metric tons of cheese each year, operates around the clock with delivery trucks entering and leaving the site’s receiving area day and night. The constant heavy vehicle movements and underlying
Teretek® Used to Fill Voids and Re-Level Sloping Floors
A single-storey brick residence in Warner, Queensland, was suffering from serious subsidence. The 20-year-old home on a battle-axe block was built on loosely compacted reclaimed land with reactive clay soils and its concrete slab floor had dropped up to 120mm. The property had recently been sold to a new owner who noticed the home’s floors
Teretek® Delivers Ground Stabilisation Solution for Hard to Reach Foundations at Melbourne Hospital Campus
The Royal Melbourne Hospital (RMH) Building 26 houses the hospital administration department and rehabilitation service which assist patients with improving their mobility through a range of occupational treatments and therapies. Building 26 is partially comprised of the old School of Nursing building. Building 26, which covers a footprint of approximately 602m2, includes an ageing double-brick
Teretek® Fills Underwater Voids to Stabilise Kimberley Rail Bridge Piers Following Floods
The heritage listed Kimberley Rail Bridge is a vital part of Tasmania’s Burnie to Hobart Rail Freight Corridor. Originally built in 1884 and then extended in 1976, the bridge stretches 76m over the Mersey River and is one of three remaining wrought iron structures still in use in the Tasmanian rail network. During the devastating
Teretek® Re-Levels External Brick Staircase and Remediates Cracks
A single storey, double brick home in Camden South, New South Wales, had a large crack at the bottom half of an outdoor staircase. The homeowner wanted to fix the crack due to concern it would impact her ability to sell the property in the future. The 20-25mm wide crack was caused by subsidence beneath
Teretek® Injects New Life Into National Park Heritage Buildings
An old heritage-listed fishing lodge located in a picturesque NSW national park required ground remediation work as part of the property’s conservation management plan. The site consisted of five separate rendered concrete block structures including the main accommodation building, constructed in 1934. The additional buildings were later added to the site including a kitchen block,
Earthquake Damaged Home Re-Levelled Using Teretek® and JOG Computer Controlled Grouting
A large two-storey home in Lincoln, located 20 minutes from Christchurch, New Zealand, had sustained substantial damage during the 2010 and 2011 Canterbury earthquakes. The property was also located by a river which made it susceptible to liquefaction, which is caused by earthquakes. During the 2010 earthquake, the extreme force from ground movement resulted in
Teretek® Preserves Foundations of Large Heritage Listed Building
A heritage listed former grain storage facility in Sydney was being prepared to undergo building improvements to help protect and preserve the site for future use. Geotechnical engineers had identified ground weakness beneath the large 75m x 50m brick and stone building and the client sought to proactively strengthen the ground beneath the building’s footings
Heritage-listed Residential Building Raised, Re-aligned and Re-supported With Teretek®
The owner of a multi-level block of units located in NSW contacted Mainmark after detecting large cracks in the building’s internal and external walls. The cracks were visible in most walls and the floors were becoming noticeably uneven. The situation had deteriorated over several months with significant cracking and unlevel floors indicating major structural issues
Teretek® Re-Supports and Re-levels Concrete Hardstand Affected by Subsidence and Water Ingress
A large open paved area located at the rear of a factory in Lonsdale, South Australia, had subsided by up to 150mm. The area, also known as a hardstand, is continuously used by commercial trucks and semi-trailers to unload shipping containers and materials. The 40m2 of affected hardstand, which was built on compacted fill, was
Multi-storey Business Complex Saved from Subsidence with JOG and Teretek®
Two commercial buildings that are part of a complex in the outer Melbourne suburb of Caroline Springs were suffering from significant foundation damage. The two structures, Building A and Building B, were both showing signs of subsidence. Building A is a four-storey commercial building supported on perimeter footing beams. The ground floor is an infill
Teretek® Used to Repair Damaged Nature Reserve Causeway
Causeway Culverts | Mountain Creek Causeway, Tidbinbilla Nature Reserve, ACT | 2022 In early 2021, a causeway located across Mountain Creek in ACT’s idyllic Tidbinbilla Nature Reserve suffered serious damage during a series of torrential downpours. The causeway features three 12m long concrete reinforced culverts, each measuring 750mm in diameter, situated beneath the road and
South Korea’s Airport Runway Rehabilitation
Uretek Slab Lifting | Sinking pavement Summary Airport Infrastructure | Gimpo, South Korea | 2005 10,000m2 of concrete runway and taxiway at Gimpo, South Korea’s number 2 airport, suffered from varying degrees of subsidence, from 50mm to 160mm. The subsidence meant that the surface design stormwater profiles were no longer effective. Ponding after rain created ice
Terefil® Used to Abandon Pipeline at Iron Mine
Terefil® | Pipe Decommissioning Summary Tailing Dam Drain Pipes | Australia | August 2016 The mine is a division of a top-tier company in Australia, which mines iron ore used as an ingredient in producing premium-quality, low-impurity steel. Drain pipes from the tailing dam at the mine were malfunctioning because the decant riser pipes had
Lightweight Terefil® Fills Redundant Culverts and Pipes in Newcastle
Terefil® | Infrastructure Summary Stormwater culvert | Mayfield, Newcastle, New South Wales | March 2019 A system of redundant stormwater culverts and pipes located in a residential area of Mayfield, a suburb in Newcastle, New South Wales, needed to be decommissioned after a new stormwater drainage system was installed. The pipes and culverts were situated
Teretek® Strengthens Foundation, Raises and Re-levels a Family Home
Teretek® Strengthens Foundation, Raises and Re-levels a Family Home Enquiry Form Teretek® | Concrete slab subsidence Summary Single storey, double-brick family home | Kanahooka, NSW, Australia | October 2017 The owners of a residential property in Kanahooka, New South Wales, were concerned about the back of their house sinking and that considerable damage might occur
JOG Computer-Controlled Grouting and Teretek® Resin Injection Combined to Save House from Demolition
JOG Computer-Controlled Grouting and Teretek® Resin Injection Combined to Save House from Demolition Summary A two-storey residential property in Hoppers Crossing, Victoria, was suffering from severe differential settlement of up to 95mm. The brick veneer house, with a 145m2 footprint, was approximately nine years old and built on a conventional raft slab footing. The edge
Teretek® Re-Levels Home Suffering from Subsidence Caused by Blocked Downpipe
Single storey home | Woombah, Northern NSW, Australia The owner of a residential property in Woombah, NSW, contacted Mainmark after noticing multiple cracks around the home and was concerned that one corner of the house was subsiding. The single storey, brick veneer house is built on clay subsoil. This type of soil typically causes the ground to expand and
Teretek® Repairs and Strengthens Foundations of Aged Care Building
Teretek® Repairs and Strengthens Foundations of Aged Care Building Summary Located in the seaside suburb of Deception Bay north of Brisbane, Seabrook is a large aged care residence operated by the McKenzie Aged Care Group. The residence comprises a single building, with several wings that accommodate 1,700 residents and is staffed by more than 2,500
Teretek® Protects Waterfront Businesses By Remediating Bunbury Seawall
The City of Bunbury is a vibrant coastal town located 175km south of Perth, Western Australia. The town features a unique waterfrontage, with the Indian Ocean to the west and the picturesque Koombana Bay to the north. The Marlston Waterfront precinct is situated along the bay’s foreshore and features a modern esplanade with bars, restaurants
Specialised Water and Gas Leak Protection for Underground Substation
Specialised Water and Gas Leak Protection for Underground Substation Summary An electrical substation built to support a major road tunnel infrastructure project in greater Sydney required protection from gas and water leaks. The substation would contain critical electrical and mechanical services to support the tunnel’s daily operations and maintenance, including ventilation systems, once it was
Teretek® Helps to Remediate Lake Burley Griffin Foreshore Wall
Teretek® Helps to Remediate Lake Burley Griffin Foreshore Wall Summary Situated in the heart of the National Triangle in Canberra, Lake Burley Griffin is a large artificial lake that occupies the flood plain of the Molonglo River. The lake is approximately 11km long with a varying width of between 300m to 1.2km at its
Terefirm® Resin Injection Used to Increase Liquefaction Resistance at O’Connells Shopping Complex
Terefirm® Resin Injection Used to Increase Liquefaction Resistance at O’Connells Shopping Complex Summary O’Connells, a large retail, dining and office complex in Queenstown, New Zealand, was undergoing a multi-million dollar redevelopment to revitalise the entire site, including a new external façade and internal layout modifications. O’Connells was originally opened in 1988 as Queenstown’s first
Large Methanol Tank Re-Levelled Using JOG Computer-Controlled Grouting
Large Methanol Tank Re-Levelled Using JOG Computer-Controlled Grouting Summary Methanex is the world’s largest producer and supplier of methanol, a highly volatile and flammable liquid chemical that is used widely for a variety of industrial purposes. The clear, biodegradable liquid is recognised as an environmentally friendly, energy efficient and clean burning fuel source. Methanex is
Grout Injections Improve Earthquake Resilience For Christchurch Apartment Building
Grout Injections Improve Earthquake Resilience For Christchurch Apartment Building Summary After purchasing an iconic eight-storey residential apartment building in Christchurch, new owners KCRB Ltd undertook seismic strengthening through ground remediation works. Since the 2010 and 2011 earthquake events, widespread liquefaction has affected building foundations across Christchurch and the wider Canterbury region. Introduced in 2017,
Terefil® Used to Address Black Mould at Tasmanian High School
Terefil® Used to Address Black Mould at Tasmanian High School Summary A high school in Tasmania had growing concerns about water ingress in the subfloor space of its main building. The school was more than 60 years old and had been constructed with a variety of materials due to renovations throughout its lifespan, however the
Teretek® Stabilises Structural Footings Supporting Murray Irrigation Canal Regulators
Teretek® Stabilises Structural Footings Supporting Murray Irrigation Canal Regulators Summary Murray Irrigation delivers water, sourced from the Hume Dam, to over 2,000 properties across the NSW Riverina region. The Mulwala Canal forms the backbone of the Murray Irrigation delivery system, controlling the flow of local river and creek systems. The Mulwala Canal is 2,880 kilometres
Teretek® Remediates Sydney Harbour Seawall
Teretek® Remediates Sydney Harbour Seawall Summary An 18.5m long historic sandstone seawall protecting a waterfront apartment on Sydney Harbour had started to deteriorate. The seawall is situated on one of Australia’s busiest waterways, opposite the Sydney Opera House and Harbour Bridge, and is subjected to continuous water movement from all types of ocean vessels including
Bespoke Culvert Relining Delivers Engineered Solution for Major Infrastructure Project
Bespoke Culvert Relining Delivers Engineered Solution for Major Infrastructure Project Summary The city of Toowoomba in Queensland is situated on a plateau on the edge of the Great Dividing Range, overlooking the Lockyer Valley. The Toowoomba Second Range Crossing (also known as Toowoomba Bypass) is a 41km long dual carriageway bypass and partial ring road
Kaimai Tunnel Rail Slab Re-levelled and Bonded
Kaimai Tunnel Rail Slab Re-levelled and Bonded Summary The Kaimai Tunnel is New Zealand’s longest railway tunnel. The single rail tunnel runs through the North Island’s Kaimai Range and plays an important role as the only rail link from New Zealand’s busiest port, the Port of Tauranga. Approximately 20 freight trains, move through the Kaimai
New Terefirm® Resin Injection Delivers Seismic Strengthening Solution for Fully Operational Wastewater Treatment Plant
New Terefirm® Resin Injection Delivers Seismic Strengthening Solution for Fully Operational Wastewater Treatment Plant Summary The Seaview Wastewater Treatment Plant is located in New Zealand’s North Island near an active seismic fault. The facility treats up to 53 million litres of water daily, servicing around 146,000 residents in Upper Hutt and Lower Hutt as well
Bespoke Teretek® Solution Stabilises Prestigious Federation Mall Bridges at Australia’s Parliament House
Bespoke Teretek® Solution Stabilises Prestigious Federation Mall Bridges at Australia’s Parliament House Summary During a routine bridge inspection, engineers from the Australian Government’s National Capital Authority (NCA) infrastructure consultants, Forcecor, identified ground settlement issues beneath the bridge approach slabs and adjacent roadways on Federation Mall that lead to the iconic Parliament House, Canberra. Federation Mall
JOG Corrects Slab Dishing in Large Transport Yard
JOG Corrects Slab Dishing in Large Transport Yard Summary South East Queensland Hauliers (SEQH) is a full-service wharf logistics business that receives and delivers shipping containers on behalf of freight forwarders and customs brokers. SEQH headquarters, located at Hemmant, operate 24/7, managing import and export shipping freight for the Port of Brisbane. Central to the
Teretek® Stabilises Concrete Roadway at the City of Canada Bay
Teretek® Stabilises Concrete Roadway at the City of Canada Bay Summary The City of Canada Bay in Sydney’s inner west is one of a handful of Council areas in Australia that have rigid pavements (concrete slab roadways). While concrete slabs make excellent long-lasting heavy-duty pavements, they can become susceptible to deterioration due to water ingress.
Mainmark Overcomes Site Challenges with Innovative Raft Slab
Mainmark Overcomes Site Challenges with Innovative Raft Slab Summary When Offset Developments, a residential building company began construction on a four-unit complex in Christchurch, it encountered a significant challenge when it came to laying the foundations. After receiving a geotechnical report, the company was advised to place a raft under the foundation slab to
Ground Strengthened and Building Re-Levelled at Large Shopping Centre
Ground Strengthened and Building Re-Levelled at Large Shopping Centre Summary Northwood Supa Centa is a large 33,283m2 shopping centre in Christchurch, New Zealand, that is home to a number of ‘big brand’ retailers. The centre experienced liquefaction induced ground deformations following the 2010 and 2011 Christchurch seismic sequence. The site required extensive remediation work
Lift Shafts Stabilised For Disabled Access To Museum Station
Lift shafts stabilised for disabled access to Museum Station Summary The Museum Station Easy Access Upgrade Project involved improving disabled access to Museum Station, located on Sydney’s City Circle train line in the CBD The project included three new lifts; one of which would connect the entry of the station to the underground concourse and
Mainmark Fills Damaged Culvert At Brisbane Airport
Mainmark fills damaged culvert at Brisbane Airport Summary Following the removal of a temporary dredge pipeline that was installed in a concrete enveloper culvert beneath an operational runway, a dilapidation site inspection revealed damage to the enveloper pipe. Mainmark was contracted to complete permanent abandonment works of the 280 metre concrete enveloper culvert. The
Cracks Closed In Elwood Apartments
Mainmark closes the cracks in a heritage apartment building Summary Back in 2015, the directors of a heritage apartment building in Elwood, Victoria were faced with a challenge: many cracks had developed gradually over the building’s life, which were aesthetically unappealing and in need of costly, cyclic repair. “Cracks have long been the talking point
Collapsed Mine Shaft Stabilised with Terefil®
Collapsed Mine Shaft Stabilised with Terefil®, Bespoke Cementitious Grout and Innovative Placement Techniques Summary In an Australian-first, Mainmark completed a technically and physically challenging derelict mine shaft rehabilitation project using a combination of bespoke cementitious grout and innovative placement techniques. The repair project was completed in two stages and appropriately adhered to the site’s safety
Rockhampton Manholes Rehabilitated
Mainmark successfully rehabilitates 150 concrete manholes Summary Mainmark’s innovative spray-on corrosion protection system, ENCAP6, has provided viable, lasting and cost-effective rehabilitation of more than 150 concrete manholes and access chambers as part of the North Rockhampton Flood Mitigation Project. Deteriorating concrete in access chambers has caused them to crack, partially collapse or be permeated
Art Gallery Re-supported and Re-levelled
Art Gallery Re-supported and Re-levelled Summary The world-class, modern Christchurch Art Gallery was badly shaken by the earthquakes that hit New Zealand’s South Island in 2010 and 2011. As the foundation ground suffered quite severe liquefaction, the 33,000 tonne building lost ground support. The Art Gallery’s footings sank unevenly across the 6,500m2 footprint of
Dalby Church Repaired After Queensland Floods
Mainmark closes cracks in heritage church after Queensland floods Summary Mainmark was appointed to address large visible cracks which began to appear inside Dalby’s heritage St John’s Anglican Church following the 2011 Queensland floods, despite no water having entered the building. The cracks were symptomatic of damage to the 89-year-old Church’s foundation. The flood
