WET News

wwtonline.co.uk | APRIL 2018 WET NEWS 19 PROJECT SPECS • Decommission Royton WwTW (PE 28,000) and expand Oldham WwTW (PE 157,000) to manage increased capacity • Create a new 4.2km sewer to transfer flows formerly treated at Royton to Oldham WwTW • Improve standard of treatment to meet new compliance requirements, including a final effluent consent of 6 mg/l BOD and and 1mg/l ammonia, and an end to unsatisfactory intermittent discharges from storm tanks TECHKNOW • Intelligent piping and instrumentation diagrams (iP&ID) provide a schematic illustration of the functional relationship of piping, instrumentation and equipment components used for performance measurement, or functional control • Excel interface allows data from multiple parties and sources to be incorporated into the iP&ID's database • As-built 3D model and iP&ID database form key components of the client's as-built asset information model Fig 2: iP&ID application showing the Interstage Pumping Station, with open information box showing a section of the asset attribution for one of the electromagnetic flow meters Black & Veatch is delivering ORIS using a BS1192 config- ured Common Data Environ- ment (CDE) – Bentley Project- Wise. Non-graphical asset data is being presented and managed through the use of the company's iP&ID so‰ware operating with Bentley OpenPlant. Tag and data synchronisation Black & Veatch has reconfig- ured the standard so‰ware functionality and is using it to allow asset tagging and asset data to be synchronised with the information on the P&ID, and held in a common data- base. The intelligent link between the non-graphical asset data and the P&ID means that a change in one will be updated in the other. This cre- ates a common single source of project information, so any inconsistencies between sche- matic and database information are flagged as errors to be addressed – using the tag as the intelligent link. This is the first large-scale project to benefit from an intelligent link between asset information and sche- matic representation. The benefit is that no asset can be added or removed from either the P&ID or schedule without flagging an inconsist- ency. Multiple changes are high- lighted quickly and automati- cally and removes traditional long hand paper checking tasks. This saves time, reduces errors and prevents excessive or under procurement of items. The company is using its iP&ID Data Exchange system to manage and manipulate the asset data into equipment schedules for procurement. The intelligent link gave confi- dence that the schedules accu- rately transposed the require- ments as set out on the P&ID, and allowed schedules to be generated more quickly that using a traditional approach. Valve and instrument schedules are generated from the database. The data needed for procurement is inputted via Excel. This ensures all sup- plier asset information is stored in one place and one format rather than in multiple places and multiple formats. We are also using this data- base information to automati- cally pre-populate commis- sioning sheets stored in our Common Data Environment, saving significant data entry time and maintaining one ver- sion of source data. Creating this "single source of the truth" will have benefits that extend beyond the capital delivery phase of the project. The as-built 3D model and iP&ID database will form key components of the client's as-built asset information model. This will mean, for example, that United Utilities will receive a master asset management schedule as part of the handover process. 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