- 31 - Unit : Million Baht Separate financial statements As at December 31, 2021 Balances Additions Disposal/ Transfers Balances as at Write off in (out) as at January 1, December 31, 2021 2021 Cost Land and land improvement 11,159 - - - 11,159 Buildings and building improvements 39,421 - (72) 287 39,636 Machinery and pipes 150,609 267 (397) 1,304 151,783 Tools and factory equipment 2,605 52 (1) 8 2,664 Furniture, fixtures and office equipment 1,141 9 (92) 32 1,090 Vehicles 501 - (9) - 492 Total cost 205,436 328 (571) 1,631 206,824 Accumulated depreciation Buildings and building improvements (18,240) (1,357) 64 - (19,533) Machinery and pipes (73,757) (6,625) 302 - (80,080) Tools and factory equipment (1,827) (145) 1 - (1,971) Furniture, fixtures and office equipment (869) (96) 92 - (873) Vehicles (437) (19) 9 - (447) Total accumulated depreciation (95,130) (8,242) 468 - (102,904) Assets under construction and assets under installation 2,995 2,463 - (1,631) 3,827 Less Allowance for impairment (536) - - - (536) Total property, plant and equipment 112,765 107,211 333 NOTES TO THE FINANCIAL STATEMENTS IRPC PUBLIC COMPANY LIMITED
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