Dept. of Trans.       SEMI-FINAL   Serial No.  Contract No.                             
                                          08-303-15-24  01-442304                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
01-HUM-299-R11.0/19.0                    Federal Project:                               
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 12            Payment period ending: 09-20-07                      
WINDSOR FUEL CO                                                                         
P O BOX 38                                                                              
WINDSOR CA 95492                                                                        
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       3,334,615.99      -44,800.00                      
2.a. Extra Work                         108,269.90            0.00                      
  b. Adjustment Comp.                    -1,936.09       -1,936.09                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention        3,440,949.80      -46,736.09                      
5. Mobilization                                                                         
6. Total Work Completed    3,440,949.80                                                 
7. Deductions                                 0.00       48,973.70                      
8. a.Contract Retentions               -179,474.09            0.00                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.         179,474.09            0.00                      
9. Total pay to Contractor            3,440,949.80        2,237.61                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                               2,237.61