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Multiemployer Plans (Tables) | 12 Months Ended
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Dec. 31, 2012
Multiemployer Plans |
Schedule of the entity's contributions to different pension funds |
|  | EIN/Pension Plan |  | Pension Protection Act Zone Status |  | FIP/RP Status |  | Surcharge |  | Collective Bargaining Agreement |  | Contributions of the Company |
Pension Fund Name |  | Number |  | 2012 |  | 2011 |  | Pending/Implemented |  | Imposed |  | Expiration Date |  | 2012 |  | 2011 |  | 2010 |
So Cal Pipetrades Trust Funds |  | 51-6108443/001 |  | Green as of January 1, 2011 |  | Green as of January 1, 2010 |  | No |  | No |  | 6/30/2014 |  | 5,298 |  | 2,931 |  | 1,394 |
Laborers Pension Trust Fund for Northern California |  | 94-6277608/001 |  | Yellow as of June 1, 2012 |  | Yellow as of June 1, 2011 |  | Yes |  | No |  | 6/30/2015 |  | $ | 4,816 |  | $ | 3,501 |  | $ | 1,237 |
Construction Laborers Pension Trust for Southern California |  | 43-6159056/001 |  | Green as of January 1, 2011 |  | Green as of January 1, 2010 |  | No |  | No |  | 6/30/2015 |  | 2,952 |  | 2,373 |  | 1,694 |
Central Pension Fund of the International Union of Operating Engineers and Participating Employers |  | 36-6052390/001 |  | Green as of February 1, 2011 |  | Green as of February 1, 2010 |  | No |  | No |  | 5/31/2014 |  | 2,206 |  | 1,797 |  | 946 |
Laborers International Union of North America National (Industrial) Pension Fund |  | 52-6074345/001 |  | Red as of March 31, 2011 |  | Red as of March 31, 2011 |  | Yes |  | Yes (1) |  | 5/31/2014 |  | 1,995 |  | 1,740 |  | 826 |
Pipeline Industry Benefit Fund |  | 73-6146433/001 |  | Green as of January 1, 2011 |  | Green as of January 1, 2010 |  | No |  | No |  | 5/31/2014 |  | 1,747 |  | 1,793 |  | 1,110 |
Boilermaker-Blacksmith National Pension Trust |  | 48-6168020/001 |  | Yellow as of January 1, 2011 |  | Yellow as of January 1, 2010 |  | Yes |  | No |  | 9/30/2014 |  | 1,502 |  | 1,035 |  | 469 |
Northern California Pipe Trades Pension Plan |  | 94-3190386/002 |  | Green as of January 1, 2011 |  | Green as of January 1, 2010 |  | No |  | No |  | 4/30/2014 |  | 1,638 |  | 1,741 |  | 283 |
|  |  |  |  |  |  |  | Contributions for significant plans |  | $ | 22,154 |  | $ | 16,911 |  | $ | 7,959 |
|  |  |  |  |  |  |  | Contributions to other multiemployer plans |  | 7,949 |  | 7,271 |  | 4,631 |
|  |  |  |  |  |  |  | Total contributions made |  | $ | 30,103 |  | $ | 24,182 |  | $ | 12,590 |
(1) Temporary surcharge of 5% of total contributions imposed during the period June 1, 2010 through December 31, 2010. Effective January 1, 2011, the surcharge was increased to 10% of total contributions. Under the Preservation of Access to Care for Medicare Beneficiaries and Pension Relief Act of 2010, the plan adopted to amortize the fund’s 2008 investment losses over a 29 year period (rather than 15 years) and the 2008 investment losses will be recognized for funding purposes over a 10 year smoothing period (rather than 5 years). During this period, benefits cannot be increased.

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- Definition Tabular disclosure of the quantitative and qualitative information related to multiemployer plans in which the employer participates. A multiemployer plan is a pension or postretirement benefit plan to which two or more unrelated employers contribute where assets contributed by one participating employer may be used to provide benefits to employees of other participating employers. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 715 -SubTopic 80 -URI http://asc.fasb.org/subtopic&trid=2235144 + Details
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