Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          07-142-16-01  03-437204                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  96%         100%                             
03-SAC-160-5.9/20.9                    Federal Project:                                 
                                     ACST-S160(21)                                      
                             P-S160(21)                                                 
                                                                                        
Progress payment No. 17            Payment period ending: 05-18-07                      
TABER CONSTRUCTION COMPANY                                                              
P O BOX 1309                                                                            
MARTINEZ CA 94553                                                                       
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       3,721,193.95      225,620.00                      
2.a. Extra Work                         377,040.57      171,855.33                      
  b. Adjustment Comp.                   -25,029.50      -25,029.50                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention        4,073,205.02      372,445.83                      
5. Mobilization                         300,000.00            0.00                      
6. Total Work Completed    4,373,205.02                                                 
7. Deductions                            -4,000.00            0.00                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor            4,369,205.02      372,445.83                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             372,445.83