Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          09-147-10-34  07-188504                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  50%          80%                             
07-LA-134-1.9/2.3                    Federal Project:                                   
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 28            Payment period ending: 05-20-09                      
GRIFFITH COMPANY                                                                        
P O BOX 2150                                                                            
SANTA FE SPRINGS CA 90670                                                               
                                                                                        
                                                                                        
Escrow No.  02338                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.      12,480,949.17      821,905.62                      
2.a. Extra Work                         413,463.61        2,162.37                      
  b. Adjustment Comp.                    23,652.03            0.00                      
3. Materials on Hand                    137,426.86      -23,603.85                      
4. Earned Subject to Retention       13,055,491.67      800,464.14                      
5. Mobilization                       2,118,500.00            0.00                      
6. Total Work Completed   15,036,564.81                                                 
7. Deductions                                                                           
8. a.Contract Retentions               -652,774.58      -40,023.20                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor           14,521,217.09      760,440.94                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow       652,770.00                                                  
12. Net Pymt. this Estimate                             760,440.94