Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          07-325-11-14  04-130524                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  99%         100%                             
04-ALA-5746                    Federal Project:                                         
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 20            Payment period ending: 11-20-07                      
MITCHELL ENGINEERING                                                                    
P O BOX 34367                                                                           
SAN FRANCISCO CA 94134                                                                  
                                                                                        
                                                                                        
Escrow No.  02262                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       8,489,839.54       10,118.30                      
2.a. Extra Work                         217,448.83       22,032.04                      
  b. Adjustment Comp.                    69,470.42       -4,194.00                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention        8,776,758.79       27,956.34                      
5. Mobilization                                                                         
6. Total Work Completed    8,776,758.79                                                 
7. Deductions                           -67,000.00            0.00                      
8. a.Contract Retentions               -438,837.94       -1,397.82                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor            8,270,920.85       26,558.52                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow       438,830.00                                                  
12. Net Pymt. this Estimate                              26,558.52