Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          07-138-14-56  02-347104                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  99%          89%                             
02-SIS-96-65.2/65.6                    Federal Project:                                 
                                     ACST-P096(46)                                      
                             P-P096(46)                                                 
                                                                                        
Progress payment No. 10            Payment period ending: 05-18-07                      
STEWART ENGINEERING INC                                                                 
P O BOX 990010                                                                          
REDDING CA 96099                                                                        
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       1,375,557.51      162,384.26                      
2.a. Extra Work                          24,157.34        9,352.08                      
  b. Adjustment Comp.                    97,843.98       -1,305.58                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention        1,497,558.83      170,430.76                      
5. Mobilization                         150,000.00            0.00                      
6. Total Work Completed    1,647,558.83                                                 
7. Deductions                            -1,000.00       -1,000.00                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor            1,646,558.83      169,430.76                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             169,430.76