v2.4.0.8
Property, Plant And Equipment
12 Months Ended
Dec. 31, 2013
Property, Plant and Equipment [Abstract]  
Property, Plant And Equipment
Property, Plant and Equipment
Property, plant and equipment consisted of the following (in thousands):
 
 
 
December 31,
 
Estimated Depreciable
Lives
 
 
2012
 
2013
 
Construction work-in-progress
 
$
247,571

 
$
165,129

 
 
Land and rights-of-way
 
83,014

 
78,405

 
 
Carrier property
 
1,835,265

 
2,135,905

 
7 to 59 years
Buildings
 
37,672

 
41,383

 
20 to 55 years
Storage tanks
 
975,277

 
1,141,271

 
10 to 40 years
Pipeline and station equipment
 
479,531

 
593,396

 
3 to 59 years
Processing equipment
 
645,140

 
716,103

 
3 to 56 years
Other
 
105,080

 
115,158

 
3 to 48 years
Property, Plant and Equipment, Gross
 
$
4,408,550

 
$
4,986,750

 
 
 
 
 
 
 
 
 


Carrier property is defined as pipeline assets regulated by the FERC. Other includes total interest capitalized as of December 31, 2012 and 2013 of $24.3 million and $33.2 million, respectively. Depreciation expense for the years ended December 31, 2011, 2012 and 2013 was $118.9 million, $126.7 million and $136.4 million, respectively.