Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          06-263-07-21  04-130524                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  25%          43%                             
04-ALA-5746                    Federal Project:                                         
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 05            Payment period ending: 09-20-06                      
MITCHELL ENGINEERING                                                                    
P O BOX 34367                                                                           
SAN FRANCISCO CA 94134                                                                  
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       2,144,004.07      758,549.14                      
2.a. Extra Work                           6,237.18            0.00                      
  b. Adjustment Comp.                    -7,000.00       -7,000.00                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention        2,143,241.25      751,549.14                      
5. Mobilization                                                                         
6. Total Work Completed    2,143,241.25                                                 
7. Deductions                           -67,000.00            0.00                      
8. a.Contract Retentions               -175,314.21      -36,145.00                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor            1,900,927.04      715,404.14                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             715,404.14