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Notes to Consolidated Financial Statements<br />

2 SIGNIFICANT ACCOUNTING POLICIES (Continued)<br />

(h)<br />

Property, plant and equipment (Continued)<br />

The estimated useful lives of property, plant and equipment are as follows:<br />

Depreciable<br />

life<br />

– Buildings and plants 10 - 40 years<br />

– Machinery and equipment 10 years<br />

– Motor vehicles 5 - 10 years<br />

– Office equipment 3 - 10 years<br />

Mining properties, except for stripping activity assets related to capitalised stripping costs incurred<br />

during the production phase, are depreciated on the units-of-production method utilising only proven<br />

and probable coal reserves in the depletion base.<br />

Stripping activity assets related to stripping costs incurred during the production phase are depreciated<br />

using a units-of-production basis over the proven and probable coal reserves of the component to<br />

which they relate.<br />

No depreciation is provided in respect of construction in progress until it is substantially completed and<br />

ready for its intended use.<br />

Where parts of an item of property, plant and equipment have different useful lives, the cost of the item<br />

is allocated on a reasonable basis between parts and each part is depreciated separately. Both the<br />

useful life of an asset and its residual value, if any, are reviewed annually.<br />

(i)<br />

Intangible assets<br />

Intangible assets (acquired mining rights and softwares) acquired separately are measured on initial<br />

recognition at cost. The cost of intangible assets acquired in a business combination is their fair value<br />

as at the date of acquisition. Following the initial recognition, intangible assets are stated at cost less<br />

accumulated amortisation (where the estimated useful life is finite) and impairment losses (see Note<br />

2(k)).<br />

Intangible assets (acquired mining rights) are depreciated on the units-of-production method utilising<br />

only proven and probable coal reserves in the depletion base.<br />

Amortisation of other intangible assets with finite useful lives is recognised in profit or loss on a<br />

straight-line basis over the expected useful lives. The softwares are amortised over 10 years from the<br />

date they are available for use.<br />

Both the period and method of amortisation are reviewed annually.<br />

124<br />

Annual Report 2015

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