Water Efficiency

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Water availability is severely tested in periods of drought. Add to this the pressures of population growth, increased demand, depleted river systems, environmental flow requirements and falling groundwater tables - water efficiency then becomes essential.

Effective management of water resources is imperative given their global scarcity.

We’ll work with you to address all aspects of water loss reduction and water system efficiency improvements. Water loss reduction from potable water distribution systems and demand reduction is a proven area of water conservation.

By partnering with water utilities and municipal authorities, we’re able to seamlessly implement water loss management initiatives with social, financial and environmental objectives as priority.

We also offer this service to assist the rural and industrial sectors to reduce water loss and save operating costs.

Services

  • Water auditing and modelling
  • Real loss (leakage) management, analysis, management tools and techniques
  • Infrastructure management
  • Revenue and non-revenue water data management
  • Optimal water meter sizing, selection, specification and installation
  • Water meter calibration and lifecycle analysis and testing procedures
  • Unauthorised consumption analysis
  • Economic analysis of apparent losses
  • Demand management
  • Contract delivery
  • Policy and procedure development and organisational strengthening

For further information, contact:

Michael Simpson
Service Line Leader, Water Efficiency - Australia/New Zealand, Asia Pacific, Europe/Middle East
T: +61 2 9239 7087
E: Michael Simpson


Andy Glitzer
Service Line Leader, Water Efficiency - North America
T: +1 814 643 8260
E: Andy Glitzer

Energy and water audit of the Adelaide Aquatic Centre

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GHD was engaged to undertake an energy and water efficiency audit of the Adelaide Aquatic Centre (AAC).

The main objectives of the audit were to:

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Ipswich Water

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Water metering scoping study.

The objective was to identify the general framework around which new metering policies could be developed and existing policies revised. The study provided a foundation for the future development of Ipswich Water’s Metering Policy Manual. In turn, this manual will provide guidance for the subsequent development of procedures, technical specifications and organisational practices associated with metering. The following areas were addressed by GHD:

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Large Metering Calibration

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The project involved the establishing the procedures required to undertake accuracy calibrations as well as identify associated criteria required to develop a Quality System for the ongoing calibration and testing of large meters. Criteria for establishing the various procedures, methods, personnel, equipment and engineering infrastructure will be identified in context of the following:

  • Management requirements (A synopsis of the management requirements was provided); and
  • Technical requirements (Sources of uncertainty in an in situ calibration system were identified).

These criteria will be identified within the context of AS/ISO 17025 (2005) and associated metrological requirements of the National Association of Testing Authorities (NATA) and the National Measurement Institute (NMI) of Australia.

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Melbourne Water Flow Meter Investigation

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Client: Melbourne Water
Date: September 2011
Challenge: GHD Undertook an audit of large (e.g. up to 3,000 Megalitres per day) of open channel and closed conduit meters within the Wastewater Treatment Plant to improve understanding of flow measurement across the site, to quantify the accuracy of flow measurement and the influence this is having on distribution of wastewater volumes within the plant.

Description

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Metering scoping study - Identification of issues

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GHD to undertook a high-level metering scoping study to establish key issues relating to bulk, network and customer meters. The process involved the preparation of a questionnaire, conducting interviews and identification of meter related issues. The study provided an initial step in a metering audit process with an ultimate purpose of providing input into YVW’s Metering Strategy.

The largest number of meters relating to the customer meter fleet consists of sizes less than 50 mm diameter with approximately 50% of the 600,000 meters being older than 12 years.

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Non-revenue Water (NRW) Management Review

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GHD was appointed to undertake a peer review of the program to determine if the current activities will reverse the rapid rise in the level of Non-revenue Water (unaccounted-for-water) and to identify what was required to achieve Metrowater’s (New Zealand) NRW targets.

The review process was guided by an overall audit process, data pathway analysis that examined the data from its capture through to its application in forecasting future NRW levels. The analysis of migratory nature of losses within the equilibrium equation of the water balance requires identified the cause and effect of the various errors associated with measuring and/or determining the different volumetric components. This process facilitated the determination and quantification of the various components of real and apparent losses.

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Rural Metering Guidelines

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Natural Resources Environment and The Arts (NRETA, Northern Territory) wanted to encourage more efficient water use through a licensing and water allocation planning process. The process is dependant on reliable and comprehensive water use information. Metering guidelines were developed to suit the quality control needs of licensed water users and resource managers.

A scheme for metering of private rural water use in the Daly and Darwin Rural regions was started. A pilot phase would identify 300 sites where meters were to be installed.

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Shepparton Water Use Audits (Vic, Australia)

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GHD was commissioned to undertake water use audits of 50 council sites for Greater Shepparton City Council (GSCC).

Data was collected via site investigations, review of existing documents, billing information indicating water usage and relevant GSCC representatives under each water use category.

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Wastewater Flow Monitoring Code of Practice

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GHD was tasked with developing an innovative wastewater flow monitoring Code of Practice (CoP) for the utility regulator in a country in the Gulf Cooperation Council in the Middle East. The challenge demanded an approach that understood the management of assets throughout their whole life cycle and considered the full data chain of the flow monitoring. The client required that GHD would both advise and instruct throughout the project.

During the project, an Abu Dhabi sector review of wastewater metering was undertaken to ensure all wastewater licensees fulfilled their statutory obligations, were behaving consistently and that all metering data produced was accurate and reliable. The scope of the development was then investigated, with the proposed content, context, key components the overall format of the code all considered.

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Water Allocation Planning – Mt Lofty Ranges

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GHD was engaged by the Department of Water, Land and Biodiversity Conservation in South Australia to develop water allocation plans for the Eastern and Western Mount Lofty Ranges Prescribed Water Resources.

The project involved providing advice on water allocations to existing users and water trading rules for consideration in the Water Allocation Plan. There were three main objectives of this project including:

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Water Consumption and Return-to-Sewer Study

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Client:
Regulation and Supervision Bureau for the Water, Waste Water and Electricity Sector - Emirate of Abu Dhabi

Date
May to September 2011

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Water Wise

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Given the global scarcity of water, it’s no surprise that the effective management of water resources is garnering considerable attention.

GHD has considerable experience in water efficiency, having completed numerous projects with private organisations, water utilities and municipalities to address all aspects of water loss reduction and water system efficiency improvements.

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Waterproofing the South Stage 1

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GHD was engaged as the lead consultant for the detailed design of two wetlands, two detention basins, a 93 ML storage dam at Wilfred Taylor Reserve and approximately 18 km of non-potable water distribution network to harvest 850 ML per annum of stormwater runoff from the Christie Creek catchment.

The scope of the project includes:

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Asset Management
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Building Hydraulics
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Industrial Water & Waste
Industrial water and waste Management
Instrumentation & Control
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Irrigation
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Wastewater Systems
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Wastewater Treatment
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Water Sector
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Water Systems
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