Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          06-079-11-51  01-311714                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  48%          31%                             
01-DN-169-2.3/2.9                    Federal Project:                                   
                                     ACBR-S169(4)                                       
                             STP-S169(4)                                                
                                                                                        
Progress payment No. 15            Payment period ending: 03-20-06                      
SHASTA CONSTRUCTORS INC                                                                 
P O BOX 491539                                                                          
REDDING  CA 960491539                                                                   
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       1,259,126.59        7,980.00                      
2.a. Extra Work                         171,277.38            0.00                      
  b. Adjustment Comp.                    -5,000.00            0.00                      
3. Materials on Hand                    307,568.82            0.00                      
4. Earned Subject to Retention        1,732,972.79        7,980.00                      
5. Mobilization                         347,000.00            0.00                      
6. Total Work Completed    1,772,403.97                                                 
7. Deductions                           -17,113.26       -4,549.80                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor            2,062,859.53        3,430.20                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                               3,430.20