Christchurch City Council Hydraulic Model Maintenance and Renewal Services
Christchurch City Council, the Council, maintains and operates hydraulic models for the Christchurch and Akaroa water supply networks. The models are built in Innovyze InfoWorks WS Pro software and were last renewed by WSP (NZ) to reflect 2019 asset status. The Council also maintains and operates hydraulic models for t…
Source ID: NZ-GETS-25983009
Scope overview
Christchurch City Council, the Council, maintains and operates hydraulic models for the Christchurch and Akaroa water supply networks. The models are built in Innovyze InfoWorks WS Pro software and were last renewed by WSP (NZ) to reflect 2019 asset status. The Council also maintains and operates hydraulic models for the Christchurch and Akaroa wastewater networks.
The models are built in Innovyze ICM software and were last renewed by WSP (NZ) to reflect 2019 asset status. In 2019, the Christchurch water supply and wastewater models were rebuilt and realigned to more closely match the Innovyze InfoNet, now InfoAsset, database. This developed a 1-1 relationship between the model data and corporate (asset) data, held in GIS and SAP, accessed via InfoAsset.
The 2019 model renewals also introduced a refined asset data flagging approach to help assess the quality of the asset data. This metadata is in addition to the established data quality metadata available in Council GIS. As part of the various model renewal processes of the previous 10 years, errors and omissions in the corporate (asset) data have been progressively filled.
The information used to fill these data gaps has come from a variety of sources: Council�s document management system (TRIM); operator interviews; hydraulically inferred data; and engineering judgement.
A result of the 2019 model renewals, a more closely aligned model database � corporate (asset) database, and refined asset data flagging, now presents the following opportunities: - Backfill gaps in selected data fields in the corporate (asset) dataset, with model data of suitable quality. - Complete the process in InfoAsset3 to allow regular base model renewal.
Start by updating the model to 2022 asset status, and incorporate automation to make the process efficient and repeatable. These actions are required to ensure the physical model and model outputs continue to reflect the current network arrangement for planning and operational purposes.
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