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Flood Works Recovery in QLD

Engaged to assist in flood recovery efforts for a regional council area, we set out to clean debris from 9 x 825mm pipes, including their inlets and outlets. Services provided: Kaiser Water Recycling Unit to allow for continuous cleaning operations, despite there being no onsite water An excavator and tipper to remove excess debris Traffic […]

Project Highlights

  • Collaboration: Efficient coordination of multiple work crews, including TDG operators and subcontractors, highlighted our commitment to health and safety and set a new standard for future projects.
  • Innovative Equipment: The use of the Kaiser Water Recycling Unit, along with an excavator and tipper, ensured continuous cleaning and safe debris removal, while traffic control and underground asset identification prevented potential site hazards.
  • Client Satisfaction: The successful completion of the flood recovery works not only met but exceeded our client’s expectations, laying a strong foundation for future collaborations and reinforcing our reputation for excellence. 

TDG New Zealand Embarks on Lateral Lining Installations

The project’s main goal was to conduct lateral lining installations within wastewater connections, a task requiring a high degree of expertise and precision. Our team met this challenge with remarkable proficiency, delivering outstanding results that surpassed expectations.

Project Highlights

  • Site Engineering Excellence: Our skilled site engineer, meticulously coordinated the project, ensuring all prerequisites were in place. Her attention to detail and comprehensive approach were vital in laying the groundwork for the successful installation within Lower Hutt’s wastewater network. 
  • Team Dynamics and Collaboration: Our esteemed Reline group demonstrated exceptional synergy and efficient collaboration, setting a new standard for future projects. We prioritised health and safety procedures throughout, showcasing our unwavering commitment to our team and the community’s well-being. The group’s impressive cohesion and seamless teamwork were essential to the project’s success. 
  • Client Satisfaction: Our valued client, was thoroughly impressed with the culmination of our efforts in Lower Hutt. The successful completion of the liner installations not only met but exceeded their expectations, laying a solid foundation for future collaborations.

Assessment of Stormwater Conduits in NSW

TDG was engaged for assessment and rectification of 4.5 kilometers of Stormwater conduit and maintenance holes, utilising CCTV inspections or physical traversing methods, followed by necessary rectification works.

Project Highlights

  • Comprehensive Assessment and Maintenance: Successfully surveyed and maintained 4.5 kilometers of stormwater conduit and maintenance holes, ensuring optimal functionality through meticulous inspection and rectification.
  • Versatile Solutions: Employed a diverse range of services, including CCTV inspections, root cutting, jetting, and vacuum loading, to address various challenges and maintain system integrity effectively.
  • Effective Management of Historic Assets: Overcame challenges posed by historical infrastructure dating back to the 19th century, implementing rigorous safety protocols and efficient manual handling techniques to impress the client with successful project completion.

Pressure Cleaning of Dam in NSW

TDG was engaged to pressure clean and record data from pressure drains at the base of the Dam wall and spillway. The drains provide important pressure release role in operation of the dam to mitigate destabilising pressure in the structure.

Project Highlights

  • Safety Commitment: Our team achieved zero injuries while satisfying the client’s requirements, showcasing our unwavering dedication to safety and professionalism.
  • Environmental Responsibility: By utilising combination trucks, we efficiently recycled water, reducing water consumption and championing sustainable initiatives.
  • Infrastructure Improvement: Clearing operational drains enhanced the structural stability of the dam, bolstering its integrity and functionality for long-term reliability.

NDD Proving in NSW

TDG delivered a comprehensive and organised solution to fulfill the client’s specified works scope, involving coordination with various contractors such as locators, traffic management, and surveyors, while navigating through multiple jurisdictions and permits including those from local government, Department of Transport, and resident notifications.

Project Highlights

  • Comprehensive Coordination: We adeptly managed the project scope, involving multiple contractors and navigating through various permit requirements from local government authorities and transportation departments.
  • Efficient Operations: Our team efficiently conducted non-destructive digging and asset verification, ensuring accurate data collection while minimising disruptions to local traffic and residents.
  • Timely Completion: Despite logistical challenges, we delivered the project on time, meeting client expectations and demonstrating our commitment to excellence in project management.

Smoke Testing in Regional NSW

The client engaged TDG to carry out smoke testing as a proactive measure to identify and address leaks and defects in sewer systems. The local pump station for council has recorded more water going through then what is scheduled capacity. Through the implementation of smoke testing, TDG successfully pinpointed areas of concern within their sewer […]

Project Highlights

  • Innovative Testing Solutions: Implementing non-toxic smoke testing methods to effectively pinpoint defects and illegal connections, ensuring environmentally friendly and accurate results.
  • Transparent Communication: Client accolades for providing daily production reports and prompt communication of any immediate issues, fostering transparency and trust throughout the project duration.
  • Technology Excellence Acknowledged: Client recognition and commendations for the advanced capabilities of UtilityTrack technology, enhancing project efficiency and effectiveness.

Pipeline Rehabilitation for Community Centre in NSW

The client engaged TDG to conduct an investigation into a pipeline connected to a drainage tank for a Community Centre, which experienced surcharge and flooding during heavy rainfall. Through CCTV investigation, we identified the pipeline obstruction caused by large tap roots and masses. Subsequently, TDG was tasked with restoring the pipeline to its full structural […]

Project Highlights

  • Improved Drainage Capacity: Clearing the target line ensured optimal flow during heavy rainfall, mitigating flooding risks.
  • Enhanced Pipeline Integrity: Elevating the pipeline’s serviceability and structural integrity from a rating of 4/5 to 1/5, ensuring long-term reliability.
  • Cost-Saving Council Solution: Avoidance of pipeline removal and replacement, offering cost-effective alternatives for the council.

MSI Inspection in Wellington

The project in Wellington involved TDG Environmental using Multi-Sensor Inspections (MSI) to profile interceptor corrosion, resulting in the discovery of rapid degradation, demonstrated through a comparison report spanning 2013 to 2020, highlighting the need for ongoing inspections and leading to client satisfaction and pipeline relining.

Project Highlights

  • Proactive Identification: Through proactive identification, the TDG Team detected severe corrosion, initiating a comparison report spanning inspections from 2013, 2018, and 2020, which revealed substantial increases in wall loss percentages (2013 = 16%, 2018 = 26%, 2020 = 28%), validating the effectiveness of MSI technology and underscoring the necessity of ongoing inspections for infrastructure planning and budgeting.
  • Prominent Waterfront Location: Undertaken in a high-profile waterfront setting, the project presented unique challenges and heightened visibility.
  • Innovative Reporting: Pioneering the development of a comparison report with the Red Zone, TDG presented findings to the client, quantifying progressive pipe wall degradation over three consecutive inspections.

CCTV and Laser Profiling in Wellington

TDG was tasked by the client to conduct comprehensive data collection within the project’s catchment area to evaluate network conditions and renewal needs. This involved employing various techniques, including CCTV inspections, laser profiling, and GPS surveying.

Project Highlights

  • Comprehensive and Seamless Offerings: TDG’s integrated service offerings and efficient transition to the design phase met client requirements with expertise and efficiency.
  • Enhanced Pipeline Mapping: Uncovering buried manholes and updating GIS data accurately enabled precise calculation of liner length requirements, demonstrating attention to detail and technological proficiency.
  • Client Satisfaction: The client expressed utmost satisfaction with the project outcome, highlighting TDG’s ability to exceed expectations on a challenging assignment.

Car Removal from Creek in NSW

The successful removal of a submerged car from creek in Sydney NSW, conducted by experienced contractors via crane while ensuring minimal environmental impact and implementing traffic control for public safety, resulted in a safely accessible site following completion of fencing repairs and car removal.

Project Highlights

  • Expert Removal: The contractors lifted the car without any issues, showcasing their proficiency in such operations and preventing environmental harm.
  • Efficient Traffic Management: Traffic control measures were effectively implemented to ensure public safety during the works, demonstrating meticulous planning and execution.
  • Environmental Protection: The project successfully prevented environmental damage or flooding, highlighting TDG’s commitment to environmental stewardship.

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