Dept. of Trans.       FINAL   Serial No.  Contract No.                                  
                                          07-205-13-15  08-0H4804                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
08-RIV-10-50.9/51.9                    Federal Project:                                 
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 04            Payment period ending: 06-22-07                      
RSB GROUP INC                                                                           
8 MCLAREN STE Q                                                                         
IRVINE CA 92618                                                                         
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         734,027.00            0.00                      
2.a. Extra Work                           6,212.04            0.00                      
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          740,239.04            0.00                      
5. Mobilization                                                                         
6. Total Work Completed      740,239.04                                                 
7. Deductions                           -10,000.00            0.00                      
8. a.Contract Retentions                -31,094.43            0.00                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.          31,094.43            0.00                      
9. Total pay to Contractor              730,239.04            0.00                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                                   0.00