Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          05-145-15-34  07-1Y5904                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  78%         100%                             
07-LA-5-16.3/56.3                    Federal Project:                                   
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 06            Payment period ending: 05-20-05                      
TRUESDELL CORPORATION OF                                                                
CALIFORNIA INC                                                                          
3529 EAST WOOD STREET                                                                   
PHOENIX  AZ 85040                                                                       
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         293,289.50       71,258.50                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          293,289.50       71,258.50                      
5. Mobilization                          86,000.00        4,300.00                      
6. Total Work Completed      379,289.50                                                 
7. Deductions                           -45,181.00       -2,009.05                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              334,108.50       73,549.45                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              73,549.45