This unit of competency describes the knowledge and skills required to apply principles of design for a minor culvert for a rural road using appropriate drainage standards. This includes the application of basic concepts in engineering hydrology to estimate flood flow magnitude and basic culvert and drainage design practices.

Unit details

Location:
Study level:
Vocational and further education (TAFE)
Unit code:
VU22547

Assessment

Assessment tasks will be designed to reinforce and extend knowledge and skill competence within set and controlled parameters in accordance with each unit's learning outcomes and performance criteria requirements, including the setting of work based practical application tasks designed to provide evidence of competence outcomes, within periodic and scheduled timelines. Students will be expected to demonstrate the following required skills: - communicating and working with other team members; - reading skills to interpret task related documentation, relevant data, job instructions, drawings and OHS/WHS procedures; - carrying on site reconnaissance to gather surveying data, measurements, photographs and other required information in preparation for the culvert design and drainage task; - making computations and recording the results; - assembling gathered information and data and preparing a culvert and drainage design solution; - reviewing design in consultation with others and finalising the proposal, and; - completing required workplace documentation.Students will also be expected to demonstrate the following knowledge: - hydrological cycle; - meteorology; - rain gauging; - rain gauging results recorded and graphed over the period of duration of the module; - stream flow; - stream gauging practical project; - flood estimation; - hydraulic structures; - data collection; - development of a logical plan of action in approaching design task; - the information required to undertake design; - major and minor floods; - control measures for floods of greater magnitude; - rational method for design of peak discharge; - calculation of design discharge from single use catchment given the area, runoff coefficient and time of concentration; - weighted coefficient of runoff for a multi-use catchment; - the design discharge from multi-use catchment given areas, coefficient and time of concentration; - coefficient of run off based on percentage of impervious area; - rural catchment areas; - calculation of design discharge; - culvert design; - urban runoff and flow; - determination of flow time in gutters or channels (D.D.M. chart); - determination of time of entry; - pipe and pipe layout; - pit locations; - locate easement drainage; - catchment areas; - time of concentration; - calculate peak discharge; - pipe design, and; - review of pipeline shock losses.

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