Sag and Sway

Overhead asset experts 


As a leading service provider to electrical utilities companies, Balpara specialises in providing sag and sway analysis and establishing no-go zones for overhead assets such as power lines, poles, towers, insulators, and transformers. 

 

Sag and sway must be carefully evaluated when power assets are located near existing infrastructure or during development planning, prior to construction.  In many cases, a sag and sway analysis is required to obtain a Permit to Work. 

We are a chosen provider of Electrical Infrastructure Worksite Inspections for AusNet Services, as well as a trusted partner of utilities such as CitiPower/Powercor, Jemena and United Energy. 

Sag and Sway Services

Balpara has extensive experience analysing sag and sway across various projects and sectors, including infrastructure, utilities, councils, transport and urban developments. Our capabilities include compliant OH designs when assets require relocating. 


  • Project management and tender support 
  • Master plan design 
  • Electrical design for master planning 
  • Electrical design to AS 3000 
  • NBN design 
  • Electrical surveying 
  • Drafting and As Built detailing 
  • Auditing 
  • Soil Testing 
  • Statement of Compliance Management 
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Powerline Relocation Services 

Sag and Sway assessments may identify the need for asset relocation. Balpara’s team has extensive experience relocating and redesigning assets, whether they remain overhead, or are relocated underground. 

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Our team has worked on many of Victoria’s major projects for residential development, roads and infrastructure and bushfire mitigation. Where possible we provide options with budget estimations to help you make informed decisions, and our team works with power companies to streamline the process. 

Secondment services

Need project support to meet urgent deadlines?

Whether in your office or ours, Balpara provides you with project management, design engineering, surveying, auditing and drafting experts. 


To discuss any resource needs you may have, call 1300 225 727 and ask us about secondments.

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Infrastructure

Balpara provides consulting services for structural and electrical infrastructure projects, both private sector and major utilities, including auditing on completion.

Utilities

Listed on the CIC panel, our services include design management, risk analysis, HAZOPS, ITP, Max Demand, tender compilation, and more.

PMBOK

By applying the Project Management Body of Knowledge, we categorise all our activities methodologically, resulting in time-efficient, streamlined results.

Our Process

Balpara is ISO 9001 certified and will also work to specific certification requirements, with processes in place to support your business and project.

Featured Project: Warrigal Rd and Dandenong Rd Asset Relocation 

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Our Projects

a pump track
May 9, 2025
La Trobe City Council are planning to construct a Pump Track for residents to enjoy. This community space is designed to increase community connection in a positive environment.
Overhead powerlines at Sunbury train station
July 7, 2021
Balpara was engaged by the Rail Infrastructure Alliance to complete a review of proposed design clearances as part of the Sunbury train line upgrade.
Train line against a blue sky
July 7, 2021
Balpara was engaged by Yurika to complete a sub-transmission line design package to enable the construction of the 66kV distribution feeder and 33Kv feeder between the Glenrowan West Solar Farm Substation and Glenrowan Terminal Station.