Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          06-355-05-42  06-479004                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  84%          30%                             
06-TUL-99-12.1/13.1                    Federal Project:                                 
                                     ACST-P099(489)                                     
                             PE-P099(489)                                               
                                                                                        
Progress payment No. 13            Payment period ending: 12-20-06                      
WATKIN AND BORTOLUSSI INC                                                               
77 LARKSPUR STREET                                                                      
SAN RAFAEL CA 94901                                                                     
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         418,186.90        2,614.08                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          418,186.90        2,614.08                      
5. Mobilization                          55,000.00            0.00                      
6. Total Work Completed      473,186.90                                                 
7. Deductions                                                                           
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              473,186.90        2,614.08                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                               2,614.08