NWPHYS001 — Identify and analyse information technology for hydrographic surveys

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What an assessment for NWPHYS001 must cover

59 assessable components: 3 elements (13 performance criteria), 17 performance evidence and 29 knowledge evidence requirements. An audit-defensible tool maps every question and task back to these — that mapping is the coverage matrix Auditori generates alongside the assessment.

Elements & performance criteria

1 Utilise information technology for surveying activities

1.1Identify hardware components in surveying information technology
1.2Identify memory storage components within surveying information technology
1.3Use software to produce and manage administrative documentation
1.4Create and manage a database to store information according to relevant workplace procedures and industry standards
1.5Convert survey data from one format to another using software programs
1.6Define web and network communication requirements

2 Conduct data processing and analysis

2.1Maintain data transfer and storage using information technology
2.2Perform spatial data cleaning, identify anomalies and provide solutions
2.3Perform spatial data cleaning using quality control criteria
2.4Conduct survey measurements and computations and analyse results

3 Organise data and produce deliverables

3.1Select appropriate file types to support transfer of hydrographic data acquisition, database and Geographical Information Systems (GIS) between environments
3.2Use GIS within the marine environment according to manufacturer specifications
3.3Produce survey deliverables according to international hydrographic survey and cartographic standards

Performance evidence

applying correct symbology and meta data
applying estimation procedures to survey measurements and volume computations
applying procedures used to assess, accept and reject data
applying spatial data cleaning techniques using appropriate software and distinguish between anomalies and real data
applying spatial data processing methods to create digital terrain models or gridded surfaces and contouring
assessing the total propagated uncertainty of survey data relative to the survey specification
configuring elements of a viewing package to highlight features of interest within a hydrographic data set
configuring systems for secure storage, transfer and backup of survey data
converting survey data from one format to another
creating a database, populating records and writing a query to extract information including fields for: - geographical information - marine floor sediment types - obstructions - rocks - wrecks
creating a Geographical Information Systems (GIS) project using marine spatial data including merging and mashing up data sets of different origin by applying datum and projection transformations
creating a template document using the appropriate software
creating the required data types as part of standard exchange formats
locating, identifying and explaining function of computer components used for hydrographic surveying including: - central processing unit - communication devices - data storage - device drivers - hardware - input and output interfaces - interfaces - memory storage types - motherboard - operating systems - software
producing both paper and digital products complying with specifications and standards
producing a hydrographic survey report
writing a program for data format conversion or basic algorithm computation

Knowledge evidence

communication protocols
components contributing to uncertainty in observations
content of files in different formats and file types used to record data in survey planning, data acquisition and products
contouring to international charting standards
database characteristics and functions
data cleaning techniques including manual and automated methods within industry standard hydrographic processing software
data conversion principles including: - algorithms including loops and conditional instructions - application to data exchange - file conversion - scientific computation environments
data interpolation techniques
data storage and backup systems
definitions of the following: - communication protocols - internet - LAN - network integrity
digital and paper products derived from source data for various survey types and usage including GIS and CAD files and geo-referenced images
effects of time on data relating to: - clocks - synchronisation of data - time drift - time tagging
GIS and hydrographic software presentation considerations including: - base maps and images - coordinate reference system - detail and quantify components contributing to uncertainty in derived ranges - features and feature types of point, line and polygon with marine examples - marine and coastal data bases - resolution - shading and illumination - survey metadata - symbology - use of colour schemes - vertical datums - vertical scale and exaggeration
grids and TINs including: - appropriate usage - data analysis - differences between grids and TINs - resolution - visualisation affects - identification of outliers and real features
network communication protocols used in remote data exchange applications
organisation of survey databases
products provided directly from source data including sounding data files and metadata
properties of computer components including: - buffers - communication board - communication ports - data transmission rates - ethernet links - serial links
quality control criteria including: - comparing crossing and adjacent data between survey lines - comparing overlapping data between survey platforms - identification of systematic errors - total propagated uncertainty including horizontal and vertical
raster and vector data models and commonly used file types
relevant international and Australian hydrographic standards including nautical charting products
relevant standard reports on quality control, procedures, results and conclusions detailing processes adopted within survey operations and data processing
role of software including: - graphic and image software - spreadsheets - storage and data exchange - word processing
spatial data infrastructures including GIS
types of databases including: - file types (binary, text and XML) - geospatial databases - relational databases
type of information gathered for: - anomalies in survey area - light lists - notices to mariners - offshore hazards - port guides - sailing directions
types of geospatial data and their representation
vertical scale and exaggeration and the application of quality assurance and data representation
volume computations

Unit content sourced from training.gov.au — © Commonwealth of Australia, licensed under CC BY 4.0. Auditori is not affiliated with the Department of Employment and Workplace Relations.

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Questions about assessing NWPHYS001

What does an assessment tool for NWPHYS001 need to cover?

To satisfy the Principles of Assessment and Rules of Evidence, an assessment for NWPHYS001 needs to address all 59 unit components: 3 elements with 13 performance criteria, 17 performance evidence requirements, 29 knowledge evidence requirements, and the foundation skills. A coverage matrix mapping each question and task to these components is what an auditor looks for.

How does Auditori generate an assessment tool for NWPHYS001?

Auditori pulls the current release of NWPHYS001 from training.gov.au and generates a complete package: candidate assessment, assessor guide with model answers and observation criteria, and a coverage matrix mapping every component. A suitably qualified person then reviews and approves the draft in a built-in workflow — consistent with ASQA's guidance on AI use in VET — before export as branded PDF and editable Word.

Is the first assessment tool really free?

Yes. Every new account includes one free credit — enough to generate the complete assessment tool for NWPHYS001 — with no card and no subscription required. After that it's pay-as-you-go per unit.

Can I check my existing NWPHYS001 assessment instead of generating a new one?

Yes — upload your existing assessment or learner guide and Auditori maps it against every element, performance criterion, PE and KE of NWPHYS001, showing exactly what's covered and what's missing. Mapping costs a quarter of a credit.

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