wsc hydrometric workstation business processes guidance
TRANSCRIPT
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WSC Hydrometric Workstation
Business Processes Guidance
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Introduction
The role of CIOBData publication in a continuous approval processReview of the detailed data production work flowDescription of WSC business rules, standards and best practices AQUARIUS data structures and hard-coded constraints
Automated approvals and approval overridesFlags and gradesNotes and data documentation
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System Architecture
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System Failsafe
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Data Acquisition System
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Standards• National QMS requirements – a commitment to clients
Business rules• National, Regional, Local: to optimize program
efficiency and effectiveness
Best Practices• The best possible data under the circumstances
Hard-coded constraints• By omission or commission
Overview
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Business Process Diagram
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Data Publication
ClearSCADADCS Toolkit
User application
Modem
User
Real Time Hydrometric Data Integration with the DMSAndré Bouchard, 2009-11-30
DMS
When DMS is ready
Up until DMS is ready
Either through XML or middleware
GOES RelayAquarius Application Server
Aquarius RDBMSAquarius DB, Hydex 3, Hydat
Water Web Site Datamart
RT-DMS MSC National Archive Metadata Repository
FTP Servers
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Approval levels
‘Unprocessed’ data is what you see in the gauge house – by the time data gets into AQUARIUS it should already be ‘Preliminary’‘Preliminary’ data needs to be examined :
• a) To ensure that auto-processes are working correctly
• b) To correct deficiencies that auto-processes cannot handle
The manual corrections applied to the data need to undergo scrutiny to ensure that they are complete, appropriate, and correctly appliedCompliance with QMS objectives must be affirmed by a qualified individual before the data is ready for archive
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Unprocessed to preliminary
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Preliminary to Approved
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Processes by activity
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Primary Signal (e.g. HG Telemetry @ StationID)
Working Signal (e.g. HG Working @ StationID)• Contains both telemetry and logger if available,
telemetry is, by design, the default RAW signal
Derived Signal (e.g. QR Working @ StationID)• Combines a time-series with a HydroML
Discrete Signal (e.g. HG Field Visit @ StationID)HydroML (e.g. HG QR rating curve @ Station ID)
AQUARIUS data concepts
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Every time-series is an AQUARIUS Optimized Package (AOP) which has these attributes:• Raw• Corrected• Interpolation type• Grades• Flags• Approvals• Notes
AQUARIUS data attributes
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The raw signal is sacred - it cannot be edited or deletedThe raw signal is the original input - regardless of where the input came from The RAW input to a ‘working’ signal is the CORRECTED primary signal
Raw
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The CORRECTED signal in an AOP is the RAW signal with all corrections applied to itThe corrections are all date-stamped hence corrections can be turned on or off in any orderCorrections are applied in sequence according to the date-stamp
Corrected
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Type 1 – Instantaneous value (e.g. HG)Type 2,3,4,5 – Value in preceding interval (e.g. mean, max, min or total for an aggregation interval)Type 6 - Instantaneous total(e.g. TBRG)Type 7 – discrete value – no interpolationType 8 – Value in succeeding interval (e.g. Gate opening)Type 9 – Direction in preceding interval (e.g. Wind direction)Type 10 – Total in succeeding interval (e.g. Flow volume)
Interpolation Type
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Are agency specific and controlled with the admin tool as a definition tableIn WSC – BEAD - in that order.A is only relevant to daily aggregated values which, in HWS, is a reporting function.
Grades
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Threshold or Rate of Change detection based on: >, >=, <, <=, >< and <>.By design, flags on auto-processes apply to the CORRECTED signal
Flags
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Are agency specific and controlled with the admin tool as a definition tableIn HWS the approval states are:• Unprocessed – data upstream of AQUARIUS• Preliminary – have been auto-processed on append into an
AOP• Reviewed – have been scrutinized for validity and invalid data
has been manually corrected or deleted• Checked – the data have been peer reviewed• Approved – the data have been assured according to national
standards by a qualified expert
Approvals
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Notes are attached to an episode of dataComments are attached to any action taken on the dataThe default comment for any correction includes all details needed for reproducibilityFree-form editing • Advantage – you can be specific• Disadvantage – sorting or searching by free-form may be
unproductive• Comment list can reduced typing
Notes and Comments
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AQUARIUS Propagation and Aggregation rules
Approvals Grades Flags Notes Interpolation types
Propagates to derived signal Y Y N N Y
Aggregates in calculations Y Y N N Y
Persists in signal if manual if manual if manual Y n/a
Allows gaps N N Y Y N
Allows overlaps N N Y Y N
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Bench Mark Analysis – no ApprovalField Visit Measurements – Approval but no PropagationRating Curves – Approval and PropagationRating Periods of Applicability – Approval and PropagationShift Corrections – Approval and Propagation
Approvals: mules and donkeys
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Log tab in SBLog node in FVTChange history in DCT• Corrections can be undone without affecting
history• Undone corrections can be deleted - then they are
gone from history
Log
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Every action is attributed to the logged in userChange your passwordActions can be sorted by creator
User authentication
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Pictures, scanned field notes etc.Original measurement files, logger files
Attaching supporting documentation
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Recalculate in FVT• Default = do not calculate – current meter rating
tables are not stored in HWS!
Override of date in imported measurement – possible - but comment requiredOverride of values, comments – not possible
Other data modifications
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The HWS is designed to support compliance with Standard Operating Procedures and Business RulesThe SOPs and business rules will be in a state of flux for the next little while.
Training Trial Implementation National Implementation
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Thank you from the AI TeamWe hope that you enjoy AQUARIUS!
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