Keeping your electrical, control system and civil assets operational and compliant is critical to your business.

Condition Assessments

We provide detailed condition assessments of your electrical, control system and civil and mechanical assets, either as part of risk management, capital planning, project initiation or internal compliance.

Compliance Auditing

We provide auditing of electrical assets to confirm compliance with applicable standards and legislation.

Reverse Engineering

In preparation for site and system upgrades, we capture and document existing site functionality to ensure nothing is missed in the upgraded system.

We provide a range of planning services ranging from preliminary investigations, economic analysis, cost estimates, business cases, and feasibility studies. We ensure the right short and long-term planning inputs are established at the beginning of the project, enabling your business to make informed decisions about future infrastructure requirements for any investment.

Witthoft Engineering provides project planning inputs such as:

• Business Case Development
• Master Plans
• Feasibility studies
• Cost Estimation
• Economic Analysis

Our engineers are highly experienced in preparing technical specifications and tender packages to ensure the market receives the right information in a clear and concise manner. We believe this is essential in getting the best value for money from your tendering process, avoiding unnecessary variations and delays during construction and commissioning. Most importantly, you will enjoy trouble-free operation from your investment.

We provide:

• Preparation of Contracts
• Scopes of Work
• Technical Specifications

In addition to our engineering services, Witthoft Engineering can provide a complete project management service to ensure your project is successfully planned and delivered on time and on budget.

Witthoft Engineering employs a team of formally qualified, experienced project managers, and can provide:

• Project Management Plans
• Stakeholder Engagement
• Quality and Cost Tracking
• Project Schedules / Gantt Charts
• Resource Management

Our engineers have extensive experience in developing organisational standards for design and installation including:

• Standard Drawings
• Standard Specifications
• Drafting Guidelines
• PLC Programming Requirements
• SCADA Standards
• Treatment Plants
• Water and Sewer Networks

Witthoft Engineering provides a comprehensive end to end Civil and Mechanical design service, offering planning and detailed design services and construction support related to water and wastewater networks, pipelines, and treatment facilities.

Our Civil design team has over 60+ years’ experience in design and operations of water and sewerage infrastructure.

Our expertise covers pipelines, detailed hydraulics, transient analysis, condition assessment, municipal water and sewer network operations solutions to suit a range of applications, trunk and reticulation pipelines, pump stations, trenchless solutions treatment plant upgrades.

In addition to a core design services we offer Project & Design Management services, Technical advisory, and owners engineering services.

Planning and Feasibility Design

With strong planning and delivery roots in client-side organisations we are experienced in preparation of robust feasibility studies, cost benefit analysis and value engineering and management.

A key differentiator that separates Witthoft Engineering from our competitors is that we are not just designers, we have a depth of experience in operational, maintenance and capital delivery within water utilities. We understand our client’s pain-points and challenges in operating networks and treatment facilities and as such can better tailor solutions to their needs and risk profile.

Concept and Preliminary Design

As part of concept and preliminary design, we can provide:

• Design basis and verification
• Process Flow Diagrams
• Pipeline route selection and constructability assessments
• Trenchless solutions
• Pump station, mechanical and structural design
• Hydraulic & Transient analysis and pump selection
• Preliminary asset condition assessments

Detailed Design

Our design deliverables include:

• Engineering Drawings, specifications, and market ready documents
• Pipeline material selection
• Pipeline structural design & forensic assessment
• Structural design in RC, steel structures and liquid retaining structures
• Pump stations design and mechanical piping
• Treatment plants
• Trenchless design and specification
• Sewer network odour assessment
• Chemical dosing systems
• Mechanical design of wastes/ sludge handling systems
• Detailed Hydraulics Assessments including Open channel (treatment), Network modelling, Bulk Water transmission and Transient analysis
• Clients/ Owners engineer services

Through our trusted sub-contractor partnerships, we also offer the following services:

• Detailed estimating
• Detailed condition assessments
• Geotechnics & geophysics
• Surveys and spatial services GIS
• Environmental advisory services
• Development Advisory service
• FEA structural analysis
• Computational Fluid Dynamic analysis

Witthoft Engineering has extensive experience in designing electrical, and control systems solutions to suit a range of applications, from site power distribution to process control.

Concept and Preliminary Design

As part of concept and preliminary design, we can provide:

• Process and Instrumentation Diagrams
• Equipment Schedules (Drives, Valves, Instrumentation)
• Control System Network Diagrams
• Single Line Diagrams
• Detailed PLC/RTU IO Lists
• Functional Descriptions
• Electrical Safety System Designs by TUV certified Engineers

Detailed Design

Our belief is that a quality and fully detailed design will ensure that the delivery of the rest of the project is smooth and trouble-free. We pride ourselves on delivering high quality detailed design drawings and functional specifications, which form the cornerstone of a successful electrical and control system installation.

Our design deliverables include:

• Schematic Diagrams
• Termination Diagrams
• Instrumentation Loop Diagrams
• Switchboard Layout / General Arrangements
• Power System Analysis, Fault Protection Coordination and Arc Flash Studies
• Functional Specifications

We incorporate power system analysis, fault protection coordination and arc flash studies into our design process to ensure compliance with AS3000, IEEE 1584 and client standards.

Our expert engineers can provide a detailed analysis of your design or existing installation to ensure it conforms with relevant short circuit, protection coordination and arc flash standards, or to identify where changes may be required.

We use the following specialised engineering software:

• PowerCAD
• SKM PTW (Power Tools for Windows)

We provide:

• Power System Topology
• Load Flow and Voltage Drop Calculations
• Short Circuit Fault Studies
• Protection System Coordination Study
• Arc Flash Evaluation Study
• A Detailed Report containing:
  • Protection Device Settings
  • Time Current Curves
  • Switchboard Arc Flash Categorisations

Well-structured and correct programming and configuration of PLCs, RTUs and SCADA systems is essential to the success of any control systems project. Our control systems engineers are highly experienced in creating efficient PLC programs that not only provide the full functionality required, but that are easy to read and maintain, and easily upgradable with future additions.

Witthoft Engineering has extensive experience in programming and configuration of control systems, including:

• Programmable Logic Controllers (PLCs)
• Remote Terminal Units (RTUs)
• Radio Links
• Plant Networks
• Smart Devices
• Human Machine Interfaces (HMIs)
• Supervisory Control and Data Acquisition (SCADA) systems
• Soft Starters
• Variable Speed Drives

Brands we have experience with include Siemens, Rockwell, Allen Bradley, Schneider, Serck, Modicon, Square D, CitectSCADA, ClearSCADA, Wonderware, GE/Emerson, Miri, Elpro, Brodersen, Motorola, Red Lion, MITS and Trio.

We provide a full service to ensure and certify that our systems are installed and operate as designed. This includes development of detailed inspection checklists and test plans, and execution of various test activities throughout the implementation phase. These include:

• Electrical Inspections
• Civil inspections
• Safety System Designs
• Factory Acceptance Testing
• Site Acceptance Testing
• Process Commissioning
• Proof of Performance Testing