Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          06-356-15-48  03-437204                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  54%          26%                             
03-SAC-160-5.9/20.9                    Federal Project:                                 
                                     ACST-S160(21)                                      
                             P-S160(21)                                                 
                                                                                        
Progress payment No. 12            Payment period ending: 12-20-06                      
TABER CONSTRUCTION COMPANY                                                              
P O BOX 1309                                                                            
MARTINEZ CA 94553                                                                       
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       1,887,723.95      226,810.00                      
2.a. Extra Work                          96,222.58        9,437.60                      
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention        1,983,946.53      236,247.60                      
5. Mobilization                         285,000.00            0.00                      
6. Total Work Completed    2,268,946.53                                                 
7. Deductions                            -4,000.00            0.00                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                    0.00       14,973.00                      
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor            2,264,946.53      251,220.60                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             251,220.60