Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          11-144-05-56  03-3M2404                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  92%          97%                             
03-BUT-32-R23.5/37.0                    Federal Project:                                
                                     ACST-P032(40)                                      
                             P-P032(40)                                                 
                                                                                        
Progress payment No. 06            Payment period ending: 05-20-11                      
KNIFE RIVER CONSTRUCTION                                                                
1764 SKYWAY                                                                             
CHICO CA 95928                                                                          
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         896,919.56            0.00                      
2.a. Extra Work                           4,557.82        4,557.82                      
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          901,477.38        4,557.82                      
5. Mobilization                                                                         
6. Total Work Completed      901,477.38                                                 
7. Deductions                                                                           
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              901,477.38        4,557.82                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                               4,557.82