Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          07-264-13-17  09-301704                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  95%          82%                             
09-INY-395-115.0/R129.5                    Federal Project:                             
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 04            Payment period ending: 09-20-07                      
SIERRA NEVADA CONSTRUCTION INC                                                          
P O BOX 50760                                                                           
SPARKS NV 89435                                                                         
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       4,864,799.85       90,993.80                      
2.a. Extra Work                          81,404.77        9,632.15                      
  b. Adjustment Comp.                    70,325.10      -12,189.42                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention        5,016,529.72       88,436.53                      
5. Mobilization                         288,262.00            0.00                      
6. Total Work Completed    5,304,791.72                                                 
7. Deductions                            -1,755.00            0.00                      
8. a.Contract Retentions               -250,826.49       -4,421.83                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor            5,052,210.23       84,014.70                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              84,014.70