Dept. of Trans.       SUPPLEMENTAL   Serial No.  Contract No.                           
                                          08-094-14-30  08-0L0804                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  16%          82%                             
08-SBD-18-28.0/32.0                    Federal Project:                                 
08-SBD-330-34.0/44.0                                     ER                             
                                                                                        
                                                                                        
Progress payment No. 04            Payment period ending: 03-20-08                      
VANCE CORPORATION                                                                       
2271 N LOCUST AVE                                                                       
RIALTO, CA 92377                                                                        
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.                                                         
2.a. Extra Work                         401,904.00      143,378.15                      
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          401,904.00      143,378.15                      
5. Mobilization                                                                         
6. Total Work Completed      401,904.00                                                 
7. Deductions                                                                           
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                    0.00       15,050.37                      
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              401,904.00      158,428.52                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             158,428.52