Plant and equipment

12 Months Ended

Dec. 31, 2014

Property, Plant and Equipment [Abstract]



December 31, 2014	Cost		Accumulated Deprecation		Net Book Value
Heavy equipment	$	142,052	$	42,292	$	99,760
Major component parts in use	112,645		55,895		56,750
Other equipment	41,739		18,758		22,981
Licensed motor vehicles	24,247		20,763		3,484
Office and computer equipment	9,355		8,216		1,139
Buildings	2,791		2,606		185
Assets under capital lease	101,606		25,007		76,599
	$	434,435	$	173,537	$	260,898



December 31, 2013	Cost		Accumulated Deprecation		Net Book Value
Heavy equipment	$	251,872	$	96,038	$	155,834
Major component parts in use	60,484		23,472		37,012
Other equipment	27,594		11,511		16,083
Licensed motor vehicles	25,911		22,474		3,437
Office and computer equipment	13,846		11,882		1,964
Buildings	4,691		2,650		2,041
Leasehold improvements	9,946		6,187		3,759
Assets under capital lease	72,627		14,782		57,845
	$	466,971	$	188,996	$	277,975

Assets under capital lease are comprised predominately of heavy equipment and licensed motor vehicles.

During the year ended December 31, 2014, additions to plant and equipment included $39,492 of assets that were acquired by means of capital leases (2013 – $13,812). Depreciation of equipment under capital lease of $12,108 (2013 – $6,694) was included in depreciation expense in the current year.

- Definition

The entire disclosure for long-lived, physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, accounting policies and methodology, roll forwards, depreciation, depletion and amortization expense, including composite depreciation, accumulated depreciation, depletion and amortization expense, useful lives and method used, income statement disclosures, assets held for sale and public utility disclosures.

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