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Integrated report             Statutory reportS          Financial StatementS
                                                                                   Consolidated


                  the  group  and its  cost  can be  measured  reliably. these   believes  that,  the  useful  lives  adopted  by  it  reflect  the
                  recognition principles are applied to the costs incurred   periods over which these assets are expected to be used.
                  initially to acquire an item of  ppe, to the pre-operative   accordingly for those assets, the useful lives estimated by
                  and trial run costs incurred (net of sales), if any and also   the  management  are  different  from those prescribed in
                  to the costs incurred subsequently to add to, replace   the Schedule. Management’s estimates of the useful lives
                  part of, or service it and subsequently carried at cost less   for various class of ppe are as given below:
                  accumulated depreciation and accumulated impairment   Asset                        Useful life
                  losses, if any.
                                                                     Salt Works, reservoirs and pans  1-30 years
                    the cost of ppe includes interest on borrowings directly   plant and Machinery**  1-60 years
                  attributable to the acquisition, construction or production   traction lines and railway Sidings   15 years
                  of a qualifying asset.  a qualifying asset is an asset that   Factory Buildings    5-60 years
                  necessarily takes a substantial period of time to be made   other Buildings        5-60 years
                  ready for its intended use or sale. Borrowing costs and   Water Works               15 years
                  other directly attributable cost are added to the cost of
                  those assets until such time as the assets are substantially   Furniture and Fittings and office   1-10 years
                  ready for their intended use, which generally coincides   equipment (including Computers and
                  with the commissioning date of those assets.       data processing equipment)
                                                                     Vehicles                        4-10 years
                    the present value of the expected cost for the   Mines and Quarries**             140 years
                  decommissioning of an asset after its use is included in the      ** Mines and quarries and certain plant and machinery
                  cost of the respective asset if the recognition criteria for a   which are in relation to the  uSa subsidiaries mine are
                  provision is met.
                                                                     depreciated using the units-of-production method.
                    Machinery spares that meet the definition of  ppe are   approximately 2%  (previous year  3%) of  plant and
                  capitalised and depreciated over the useful life of the   machinery and 100% (previous year 100%) of mines and
                  principal item of an asset.                        quarries are depreciated using the units-of-production
                                                                     method.
                    all other repair and maintenance costs, including regular
                  servicing, are recognised in the Consolidated Statement        useful lives and residual values of assets are reviewed at
                  of profit and loss as incurred. When a replacement occurs,   the end of each reporting period.
                  the carrying value of the replaced part is de-recognised.
                  Where an item of property, plant and equipment        losses arising from the retirement of, and gains or losses
                  comprises major components having different useful lives,   arising from disposal/adjustments of ppe are recognised in
                  these components are accounted for as separate items.  the Consolidated Statement of profit and loss.
                    ppe acquired and put to use for projects are capitalised   2.10   Intangible assets
                  and depreciation thereon is included in the project cost till   Goodwill
                  the project is ready for commissioning.
                                                                       goodwill represents the cost of the acquired businesses
                    depreciation methods, estimated useful lives and residual   in  excess  of  the  fair  value  of  identifiable  tangible  and
                  value                                              intangible net assets purchased. goodwill is not amortised;
                                                                     however it is tested annually for impairment and carried at
                    depreciation on  ppe (except leasehold improvements)   cost less accumulated impairment losses, if any. the gains
                  is calculated using the straight-line method to allocate   / (losses) on the disposal of an entity include the carrying
                  their cost, net of their residual values, over their estimated   amount of goodwill relating to the entity disposed.
                  useful lives. However, leasehold improvements are
                  depreciated  on a straight-line method  over the  shorter      Other Intangible assets
                  of their respective useful lives or the tenure of the lease
                  arrangement. Freehold land is not depreciated.        Computer software,  technical  knowhow,  product
                                                                     registration, contractual rights, rights to use railway
                    Schedule II to the  act prescribes the useful lives for   wagons and mining rights of similar nature are initially
                  various class of assets. For certain class of assets, based   recognised at cost.  the intangible assets acquired in a
                  on technical evaluation and assessment, Management   business combination are measured at their fair value as


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