Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          07-358-10-32  03-0E3604                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
03-NEV-80-R59.4/R59.6                    Federal Project:                               
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 05            Payment period ending: 12-20-07                      
BERKELEY ENGINEERING CO INC                                                             
P O BOX 7069                                                                            
BERKELEY CA 94707                                                                       
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         450,437.00        8,099.30                      
2.a. Extra Work                          35,964.93       35,964.93                      
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          486,401.93       44,064.23                      
5. Mobilization                          45,000.00            0.00                      
6. Total Work Completed      531,401.93                                                 
7. Deductions                           -11,000.00            0.00                      
8. a.Contract Retentions                -24,320.10       -2,203.21                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              496,081.83       41,861.02                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              41,861.02