Our experienced and qualified management teams which include qualified Electrical Engineering Managers will professionally and competently perform all electrical work for your company utilising a series of computer programs for job cost, scheduling, completion status, and productivity information for all aspects of the project.

When you choose P.I. Technical Services, you are choosing an experienced electrical contractor with a strong set of values who will consistently provide the technical and professional expertise to satisfy your needs. We want to get the job done safely, on time and within budget.

Labour Hire

When any of your Statutory (EEM & MEM) electrical or mechanical trades, supervisory or planning staff are on leave, we can offer suitably experienced personnel to act as relief staff. We understand what is required to conduct maintenance, in compliance with statutory requirements, at a productive coal mine. We can also offer experienced maintenance staff to assist you in the following circumstances:

  • in the event of a major equipment failure, where you require additional maintenance resources to assist in resuming production in the shortest time possible;
  • During a major planned outage, such as a Longwall move, where extra maintenance labour resources are required during peak periods

Conveyor Installations

P.I. Technical Services staff has project managed conveyor installations at a number of sites. We have key personnel of electrical, mechanical and mining disciplines who have a proven record of turn key conveyor installations. Our site teams are backed up by our fully equipped workshop with engineering support.

Pre Overhaul Audits

P.I. Technical Services has AS3800 qualified electrical staff available to complete pre overhaul audits (Code C1) on your flameproof Electrical Equipment. Our staff are backed up by our fully equipped AS3800 workshop with engineering support.

Coal Seam Gas

P.I. Technical Services has completed the following projects in CSG.

  • Gas Plant Hazardous Area Certification Audit. Grasstree Mine)
  • Modifications to Ground Flare ignition circuits (Gasco Pty Ltd)
  • Modifications to Candle Stick Flare—warranty work. (Gasco Pty Ltd)
  • Gas Well – Pump Maintenance VVVF repairs and motor change outs. (Gasco Pty Ltd)
  • Gas Well – Maintenance – Labour Support. (Arrow)

Longwall Moves

P.I. Technical Services staff has extensive Longwall move experience. We have key personnel of electrical, mechanical Supervisor and Trades who are capable of the following;

  • Pre-installations & Commissioning
  • Longwall Salvage
  • Longwall Installations

Electrical Workshop

Our fully equipped workshop has the following features;

  • AS/NZS/ISO9001
  • AS3800
  • 20 Tonne Overhead Crane
  • Spray Booth
  • Grit Blasting
  • Full metal fabrication
  • Testing instruments

Our fully equipped workshop is capable of the following:

  • Electrical Engineering
  • Electrical & Mechanical Drafting
  • AS3800 Overhauls
  • IP Substation Manufacture
  • IP Switchboard Manufacture
  • Electrical equipment refurbishments
  • Control enclosure manufacturing
  • Electrical Hazardous Area Training



Our Engineering team, mechanical and electrical have extensive hands on operational experience in underground coal. This has enabled us to offer complete hazardous area engineering solutions that encompass both mechanical and electrical disciplines.

If you have inherent equipment issues or operational needs that require engineering solutions or alternately you are looking for opportunities to upgrade to later technology, please contact us as we can work with you to assist with a professional review of all possible options available to meet your requirements.

Our Engineering capabilities are as follows;

Engineering Design

  • Electrical Equipment & System Design
  • Control System Engineering and Systems Integration

Inspection & Audits

  • Hazardous Area Audits and Reporting
  • AS/NZS 4871 Equipment Audits and Reporting
  • Arc Fault Control Assessment and Reporting
  • Site Introduction Inspections and Reporting

Overhaul Management

  • Overhaul Work scope Preparation
  • Overhaul Planning
  • Tender Documents and Tender Assessment
  • Off Site Overhaul Management/ Supervision & Reporting
  • AS/NZS AS3800 Electrical Equipment Overhauls
  • AS/NZS AS3800 In-situ Pre overhaul Inspections and reporting
  • Equipment Site Introduction pre inspection and testing
  • Pre & Post Hire Inspections

Project Management

  • Preparation of Tender Documents
  • Tender Evaluation
  • Time Scheduling
  • Cost Control Planning and Organisation

Commissioning Services

  • On Site Electrical/Mechanical Commissioning Services
  • Developing Commissioning Procedures & Test Plans


  • Development of Maintenance Systems & Practices
  • Maintenance Planning & Supervision
  • Reliability Studies & Reporting
  • Onsite Maintenance of Electrical & Mechanical Systems