Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          12-142-11-37  03-3M8304                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  64%          62%                             
03-NEV-80-13.5/21.2                    Federal Project:                                 
                                     ACIM-804(196)                                      
                                                                                        
                                                                                        
Progress payment No. 10            Payment period ending: 05-17-12                      
SIERRA NEVADA CONSTRUCTION INC                                                          
P O BOX 50760                                                                           
SPARKS NV 89435                                                                         
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       4,629,011.20      532,025.49                      
2.a. Extra Work                          19,324.71            0.00                      
  b. Adjustment Comp.                   -53,149.57            0.00                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention        4,595,186.34      532,025.49                      
5. Mobilization                                                                         
6. Total Work Completed    4,595,186.34                                                 
7. Deductions                                                                           
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor            4,595,186.34      532,025.49                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             532,025.49