AECON GROUP INC 51 17 PROVISIONS Contract Asset related decommissioning Tax obligations costs assessments Other Total a b c Balance as at January 1 2012 14043 3211 17949 140 35343 Amounts used 8402 718 5781 133 15034 Additions made 3048 454 675 39 4216 Unused amounts reversed 1355 70 8600 10025 Changes due to discounting passage of time and discount rate changes 59 109 168 Foreign exchange differences 2 2 Balance as at December 31 2012 7393 2986 4243 44 14666 Reported as Current 4100 44 4144 Noncurrent 3293 2986 4243 10522 7393 2986 4243 44 14666 a Contract related obligations are made up of contract warranty obligations and litigation risks relating to construction operations Contract warranty obligations relate to warranties provided by the Company in respect of its construction contracts If not used during the warranty period these amounts will be reversed into income Warranty periods range from one to seven years b Asset decommissioning costs relate to future legal and constructive obligations associated with the retirement of pits and quarries engaged in aggregate mining operations in Ontario and Alberta Decommissioning obligations are expected to be settled between 2013 and 2108 at which point the amount of the liability will reverse A 2 infation factor has been applied to obtain the future value of the decommissioning costs which has been discounted at a rate of 48 to obtain the present value of the obligation c Tax assessments include provisions for specifc income tax exposures faced by the Company The 8600 of unused amounts reversed results from a settlement in the third quarter of 2012 of a long outstanding income tax matter with Canada Revenue Agency This settlement resulted in a reversal in 2012 of accrued interest penalties and of previously expensed income taxes amounting to 5700 and 2900 respectively Although fnal federal and provincial reassessments have not as yet been issued the Company believes that it has adequate provisions to cover the ultimate outcome of this and other tax reassessments Amounts used of 5781 represent prior year payments on account which were previously reported as longterm fnancial assets 18 LONGTERM DEBT December 31 December 31 2012 2011 Nonrecourse project debt Infrastructure Ontario project debt a 19184 52452 Quiport JV project fnancing b 148783 141371 167967 193823 Longterm debt Finance leases c 96477 86738 Equipment and other loans d 111470 121533 207947 208271 Total longterm debt 375914 402094 Reported as Current liabilities Nonrecourse project debt 11926 56745 Longterm debt 61899 65690 Noncurrent liabilities Nonrecourse project debt 156041 137078 Longterm debt 146048 142581 375914 402094