Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          05-264-17-00  04-443584                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  90%          96%                             
04-SON-12-15.3/29.4                    Federal Project:                                 
04-SON-101-2.9/24.9                                     NONE                            
                                                                                        
                                                                                        
Progress payment No. 04            Payment period ending: 09-20-05                      
TRUESDELL CORPORATION OF                                                                
CALIFORNIA INC                                                                          
3529 E WOOD STREET                                                                      
PHOENIX AZ 85040                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         244,990.37       -1,119.06                      
2.a. Extra Work                          41,347.40       18,240.00                      
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          286,337.77       17,120.94                      
5. Mobilization                          23,000.00            0.00                      
6. Total Work Completed      309,337.77                                                 
7. Deductions                                                                           
8. a.Contract Retentions                -14,316.89         -856.05                      
   b. Unsatisfactory Prog.                 -856.04         -856.04                      
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              294,164.84       15,408.85                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              15,408.85