Property and Equipment

12 Months Ended

Dec. 31, 2011

7. Property and Equipment

Property and equipment are summarized as follows (in thousands):

	As of December 31,
	2011			2010
Construction equipment	$	125,222		$	109,432
Transportation equipment		17,963			14,915
Buildings		4,729			4,673
Office equipment		1,077			870
Construction in progress		2,544			870
Land		3,026			2,916
Water rights		200			200
		154,761			133,876
Less accumulated depreciation		(71,332	)		(59,195	)
	$	83,429		$	74,681

At December 31, 2011, construction in progress primarily consisted of expenditures for new offices in San Antonio and Dallas, Texas.

- Definition

The entire disclosure for long-lived, physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. This disclosure may include property plant and equipment accounting policies and methodology, a schedule of property, plant and equipment gross, additions, deletions, transfers and other changes, depreciation, depletion and amortization expense, net, accumulated depreciation, depletion and amortization expense and useful lives, income statement disclosures, assets held for sale and public utility disclosures.

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