Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          07-143-05-32  06-0A0604                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  93%          96%                             
06-KER-46-30.5/ .0                    Federal Project:                                  
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 04            Payment period ending: 05-20-07                      
GRIFFITH COMPANY                                                                        
P O BOX 70157                                                                           
BAKERSFIELD CA 93387                                                                    
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         402,793.06          300.00                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          402,793.06          300.00                      
5. Mobilization                          36,763.00            0.00                      
6. Total Work Completed      439,556.06                                                 
7. Deductions                            -6,240.00            0.00                      
8. a.Contract Retentions                -20,139.65          -15.00                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              413,176.41          285.00                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                                 285.00