Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          07-081-10-45  02-251474                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  70%          65%                             
02-TEH-99-7.9/8.9                    Federal Project:                                   
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 11            Payment period ending: 03-20-07                      
SHASTA CONSTRUCTORS INC                                                                 
P O BOX 491539                                                                          
REDDING CA 96049                                                                        
                                                                                        
                                                                                        
Escrow No.  02249                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       3,149,775.45      224,360.50                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                          0.00      -53,097.00                      
4. Earned Subject to Retention        3,149,775.45      171,263.50                      
5. Mobilization                         501,500.00            0.00                      
6. Total Work Completed    3,651,275.45                                                 
7. Deductions                                                                           
8. a.Contract Retentions               -157,488.77       -8,563.17                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor            3,493,786.68      162,700.33                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow       157,480.00                                                  
12. Net Pymt. this Estimate                             162,700.33