Whitehead & Associates were engaged to undertake a literature scoping review to determine appropriate scientific underpinning of the Victorian Code of Practice – Onsite Wastewater Management in preparation for the revision of the code. This review encompassed both Australian and overseas codes and guidelines, Standards
This project involved Land Capability Assessment, site investigation and soils analysis and the preparation of a Wastewater Management Report for the proposed subdivision. The report was prepared to meet the requirements for a High Hazard site as defined by the Dungog Shire Development Assessment Framework.
This project required review and preparation of an expert opinion on three Land Capability Assessments previously undertaken for a proposed residential development on a constrained site in Victoria. The technical review identified numerous shortcomings in the Land Capability Assessments which resulted in an overambitious design
This project involved the design of a low energy 10kL/day onsite wastewater treatment system for the new Tongan Parliament building, utilising a septic tank and recirculating media filter, with discharge to absorption beds at a sensitive coastal coral sand site with shallow groundwater. Detailed technical
An independent third party peer review was undertaken on the design of a 35kL/day treatment system for twin highway service centres at Pheasant’s Nest on the Hume Highway, NSW. The proposed system incorporated a package treatment plant and disposal to a large field of 22
This project involved the operational audit of some 20 old septic systems and numerous soak pits and trenches located in the Hawkesbury River floodplain and the design of a reticulation system, secondary treatment system and subsurface irrigation as a best practicable option to allow Council
This project has further developed the highly regarded Domestic Wastewater Management Plan initially prepared in 2015. The Operational Plan and Technical Document provide guidance on onsite wastewater management, planning and design to minimise environmental and public health risks. The recent revision brings the documents up
This study involved audits of 150 on-site sewerage systems, soil and groundwater sampling, selection of a shortlist of partial, full or no on-site (community) designs for phased implementation, risk based modelling of current and future full build-out scenarios, implementation planning, concept design of 4 selected
This technical review was completed for NSW DLG from 2003 to 2006 and involved an update of the 1998 Environmental Health & Protection Guidelines. At the time, the NSW Government departments involved were to complete a review of the regulatory sections but this was not
Study to identify appropriate treatment options for Small Villages within the Meander Valley Municipality. The study involved consideration of both on-site and community system options and the identification of appropriate locations, methods and costs for innovative sewerage servicing of small villages in the study area.
Options studies and preliminary designs for decentralised sewerage treatment and reuse facilities were undertaken for Murrindindi Shire Council.
Whitehead & Associates prepared the initial Baw Baw Shire Domestic Wastewater Management Plan in 2006 and a revised document in 2015. This was followed by a subsequent audit of the DWMP in 2019. The DWMP has involved the completion of a detailed risk assessment for