The important thing to remember when gathering evidence is that the more evidence the better - that is, the more evidence you gather to demonstrate your skills, the more confident an assessor can be that you have learned the skills not just at one point in time, but are continuing to apply and develop those skills (as opposed to just learning for the test!). Furthermore, one piece of evidence that you collect will not usualy demonstrate all the required criteria for a unit of competency, whereas multiple overlapping pieces of evidence will usually do the trick!
From the Wiki University
What evidence can you provide to prove your understanding of each of the following citeria?
Determine design requirements
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Determine water transfer, recharge, reuse and harvesting system needs Completed |
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Describe processes of collecting, disposing and storing drainage water to avoid degrading water quality Completed |
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Investigate regional geology and geography to predict drainage parameters Completed |
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Apply hydrological calculations to predict volumes and rates of surface run-off Completed |
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Conduct site investigations to assess depth of clay, depth of ground water, soil and water salinity, and structural or chemical impediments so as to determine the most cost effective drainage system Completed |
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Document predictions of leaching fractions and salt movements, and develop soil amelioration and drainage management plans Completed |
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Determine the need for leachate interception and dewatering system and if required prepare construction specification for interception and collection, disposal, reuse or recycle Completed |
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Confirm drains and structures are capable of carrying the design water volumes and intensities according to enterprise standards Completed |
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Identify construction specifications required to make drainage systems in accordance with environmental and work health and safety requirements Completed |
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Identify and protect environmentally sensitive areas according to local, state and federal legislation and regulations Completed |
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Design a drainage system
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Select systems, including relevant equipment, to move water efficiently to water storage or treatment and at the flow and pressure required in design specifications Completed |
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Select system combinations that are efficient, reliable, functional, serviceable and flexible for the intended application Completed |
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Determine energy requirements and check layout of electricity lines with local authority if electrical pumps and motors are used in the system Completed |
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Select structures, pipes, valves and accessories and integrate into a functional system that can be monitored and maintained Completed |
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Define the work required to make suitable drainage systems available to the enterprise in the design specifications Completed |
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Confirm power supply design specification with power authorities if electrical pumps and motors are used in the system Completed |
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Minimise damage from drainage system issues Completed |
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Design output is checked by an appropriately experienced and qualified person Completed |
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Determine capital expense budget
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Estimate materials required from plans and specifications Completed |
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Estimate labour requirements based on documented work schedule with reasonable allowance for variances in work schedules Completed |
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Base costing for each component on quoted information from suppliers, or sound analysis of individual elements Completed |
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Document design calculations, performance indicators and decisions and relevant information in plans, specifications and manuals Completed |
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Budget output is checked by an appropriately experienced and qualified person Completed |
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Determine operating expense budget
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Optimise the relationship between capital and operational costs including a comparison of energy sources Completed |
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Collate all operating expense applicable to the completed drainage system and calculate an operating expense budget Completed |
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