Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          07-234-15-13  02-251474                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  93%          82%                             
02-TEH-99-7.9/8.9                    Federal Project:                                   
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 15            Payment period ending: 08-20-07                      
SHASTA CONSTRUCTORS INC                                                                 
P O BOX 491539                                                                          
REDDING CA 96049                                                                        
                                                                                        
                                                                                        
Escrow No.  02249                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       4,376,549.87       45,300.00                      
2.a. Extra Work                          62,493.05       35,361.15                      
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention        4,439,042.92       80,661.15                      
5. Mobilization                         501,500.00            0.00                      
6. Total Work Completed    4,940,542.92                                                 
7. Deductions                                                                           
8. a.Contract Retentions               -221,952.15       -4,033.06                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor            4,718,590.77       76,628.09                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow       221,950.00                                                  
12. Net Pymt. this Estimate                              76,628.09