Arc explosion and fire

Arc flash hazard analysis

Middleton Group provides specialist advice and services to improve safety and provide solutions to address arc flash hazards.

We provide:

  • Specialist technical advisory in assessing arc flash hazard levels and remediation measures
  • Risk management
  • Raise safety awareness and compliance with OH&S codes

We have helped our clients meet their safety obligation under national safety guidelines. Building awareness of arc flash hazards when working with electrical assets is our priority. We genuinely care about the people directly interacting with the electrical asset.

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Earthing systems

Earthing systems

Earthing study capability brings peace of mind to our clients’ existing designs and confidence in the safety and compliance of new designs and installations. We provide specialist earthing service, ensuring safe and reliable earthing systems in all applications.

We provide:

  • Earthing System Testing
    • Soil resistivity testing
    • Condition and integrity testing
    • Visual inspections
    • Earth System Performance Testing
  • Earth System Consulting Engineering and Design
    • Lightning Protection System Design (LPS)
    • Performance bench-marking
    • Commissioning testing
    • Earthing system design and reviews
    • Plant earthing system management
    • Modelling using CDEGS specialist software

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Overhead photo pf silos

Embedded generation study

Embedded generation, also known as distributed or local generation, is any individual electricity generation unit connected to the electricity distribution network. Many clients implement ‘behind-the-meter’ embedded generation solutions, providing a range of benefits, such as decreased electricity bills and backup power.

We provide:

  • Solar/wind energy yield assessments and feasibility studies
  • Load profile analysis and shifting to match embedded generation
  • Grid connection services
  • Micro-grids
  • Battery and energy storage
  • Power utility interface
  • Connection application support
  • Economic assessment and business case development software

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Wind farm at sunset

Grid connection

The grid connection process is a crucial and often complex stage of any project which involves connecting a new or modified generation system to the network. The process and its complexity are dependent on a variety of factors, such as the size of the generating system and local Network Service Provider requirements.

We provide:

  • Solar/wind energy yield assessments
  • Concept and detailed plant design, including harmonic filters and synchronous condensers
  • Power systems modelling, using industry-standard software such as PSS®E and PSCAD™/EMTDC™, for work packages ranging in size from static studies to full connection applications

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Electrical wires in landscape

REFCL

Rapid Earth Fault Current Limiter (REFCL) is a new innovative technology deployed by the Victorian government to mitigate bushfire risk from power lines. Implementation of this new technology brings certain challenges to both the power utilites and HV customer assets.

We provide:

  • REFCL Impact Assessment
    • Impact of REFCL on customer’s HV network
    • Operational and reliability implications on your facilities
    • Determination of necessary upgrades to meet impending regulation changes
    • Protection setting changes
  • Option Studies
    • Outlining the risks, reliability, and losses for each option
    • Provide budgetary costs for each option
    • Recommend a technically feasible solution for the site
  • HV Network Augmentation
    • Design and specification of HV upgrades required to comply with proposed regulation changes
    • Procurement, project management and commissioning services associated with the implementation of HV upgrades required to become REFCL Ready

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Transformer Fall Restraint

Transformer fall restraint

For operators to undertake operational and maintenance activity including high voltage testing anchor points are engineered and rated to 25kN for life line applications, and ladder brackets rated to 15kN, for single person application. All anchor plates and ladder brackets are a bolt on application with no welding activities required, ensuring the integrity of the painted external and internal surfaces.

We provide:

  • Coordination and supervision of installation of 25kN anchor lug attachment points for operators and maintenance personnel.
  • Coordination and supervision of installation of ladder brackets.
  • Computations to assess existing anchor lug capacities.
  • Co-ordination of project works schedule with planned outages.
  • Pre-inspections of transformers for installation of anchor points and ladder brackets

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Construction engineering

Middleton Group provides a range of construction engineering services from constructability reviews, input to all design phases through to construction delivery and project support.

We provide:

  • Constructability reviews
  • Construction staging and sequencing
  • Strategic advisory on project development and delivery
  • Risk and opportunities review
  • Complex stakeholder engagement and management (Environmental, planning, amenities and government agencies)
  • Interface and integration engineering
  • Multidisciplinary design management
  • On-site construction support
  • IFC design drawing review
  • Quality assurance and ITP inspections
  • Contractor ITP and integrated management systems audits
  • Construction compliance audits and pre-pour concrete inspections
  • Provision of design and construction compliance reports

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Project management

Middleton Group provides end to end design and delivery project management services for the efficient execution power projects.

We provide:

  • Strategic planning & business case justification
  • Program planning and scheduling
  • Budget development and cost estimating
  • Cost control and project forecasting
  • Compile construction contracts and authorisation processes
  • Variation order management and tracking
  • Construction and commissioning support
  • Project health checks and independent reviews
  • Risk management workshops and reporting
  • Project reporting and KPI tracking
  • Contracting and delivery strategies

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