Process Diagram

Band 9: The diagrams below show how houses can be protected in areas which are prone to flooding.

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Image for topic: The diagrams below show how houses can be protected in areas which are prone to flooding.

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The image shows two diagrams illustrating flood management with and without a stopbank; top diagram labels "Where there is a stopbank" with features like floodgate, internal ponding, stopbank, 100-year flood level, freeboard (300 mm), river/drain, berm; bottom diagram labels "Where there is no stopbank" with 100-year flood level, freeboard (300 mm), building, raised building, house floor level, ground level, river/drain; both diagrams depict buildings and water levels relative to ground/floor levels.

Given the complexity of the image, the above description may not be entirely accurate.

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Note: Both the topic and the answer were created by one of our users.

The diagrams show two methods to protect areas that are vulnerable to flooding. Overall, the main difference between the two methods lies in the presence of a stopbank. In locations where there is a stopbank, it can act as a barrier, whereas in areas without one, the building itself is elevated so that it remains above the projected flood level.

In the first scenario, a stopbank is constructed near a river or drain, with a freeboard to ensure that the stopbank blocks out the 100-year flood water from entering the area. There is also a floodgate at the base of the stopbank. Although the area is protected from direct flood water, heavy rains can lead to internal runoff, creating internal ponding. To address this issue, the building is constructed on raised platforms in order to ensure that it remains safe from flooding.

In the second scenario, by contrast, there is no stopbank to prevent flood water from entering the site. The building, therefore, is elevated with supporting stilts. The freeboard between the house floor level and the estimated 100-year flood or ponding level is 300 mm, which ensures that the risk of flooding is minimised.

Word Count: 195

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Overall Band Score

(+/- 0.5)

Vocabulary Complexity:
B2 - Upper Intermediate
Opt for even more advanced words when appropriate.

Grammar Mistakes: N/A

Vocabulary Repetition:

stopbank: 6

flood: 5

there: 3

building: 3

water: 3

Try using synonyms for the above words

Task Response

The report effectively addresses the task by clearly describing both diagrams and highlighting the key difference (presence or absence of a stopbank). It provides a well-structured overview and relevant details about the flood protection measures. Minor omissions, such as not explicitly mentioning the berm or the exact function of the floodgate, are acceptable and do not detract from the overall quality. The response is well-organized, coherent, and sufficiently detailed, meeting the requirements of the task.

Coherence & Cohesion

The report is exceptionally well-organized and easy to follow. The introduction clearly presents the two scenarios, and the body paragraphs are logically divided, with each one focusing on a distinct method. The use of cohesive devices such as 'Overall', 'In the first scenario', and 'In the second scenario, by contrast' is natural and effective, guiding the reader effortlessly through the description. Paragraphing is skilfully managed, and there are no noticeable lapses in coherence.

Lexical Resource

The vocabulary is precise, varied, and used with full flexibility. Terms like 'stopbank', 'freeboard', 'internal ponding', and '100-year flood level' are used accurately, demonstrating strong control of technical language. The report also employs a range of natural and sophisticated expressions, such as 'act as a barrier', 'projected flood level', 'internal runoff', and 'elevated with supporting stilts', which enhance the clarity and professionalism of the description. There is no evidence of repetition or inappropriate word choice.

Grammatical Range & Accuracy

The report demonstrates a wide range of grammatical structures used with full control and accuracy. Complex sentences are handled effortlessly, and the use of passive voice, relative clauses, and conditional structures is appropriate and varied. Punctuation is correct throughout, and there are no grammatical errors or awkward phrasings. The writing is fluent and precise, meeting the highest standards of grammatical range and accuracy.

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