Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          05-082-06-20  07-4A3104                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  76%          65%                             
07-LA-101-11.1/23.3                    Federal Project:                                 
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 07            Payment period ending: 03-20-05                      
TRUESDELL CORPORATION OF                                                                
CALIFORNIA INC                                                                          
3529 E WOOD STREET                                                                      
PHOENIX AZ 85040                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         672,821.31       78,608.25                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                          0.00      -12,796.53                      
4. Earned Subject to Retention          672,821.31       65,811.72                      
5. Mobilization                          64,000.00            0.00                      
6. Total Work Completed      736,821.31                                                 
7. Deductions                                 0.00        6,650.89                      
8. a.Contract Retentions                -33,641.07       -3,290.59                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              703,180.24       69,172.02                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              69,172.02