Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          07-297-11-07  03-2E1304                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  97%          99%                             
03-SAC-50-R9.5/R10.9                    Federal Project:                                
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 08            Payment period ending: 10-19-07                      
SIERRA NEVADA CONSTRUCTION                                                              
INC                                                                                     
P O BOX 50760                                                                           
SPARKS NV 89435                                                                         
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       2,751,906.29       47,540.60                      
2.a. Extra Work                             302.39            0.00                      
  b. Adjustment Comp.                   -45,488.00      -45,488.00                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention        2,706,720.68        2,052.60                      
5. Mobilization                          77,816.85            0.00                      
6. Total Work Completed    2,784,537.53                                                 
7. Deductions                           -64,019.81            0.00                      
8. a.Contract Retentions               -135,336.03         -102.63                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor            2,585,181.69        1,949.97                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                               1,949.97