Dept. of Trans.       SEMI-FINAL   Serial No.  Contract No.                             
                                          08-345-16-17  03-2E9804                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
03-PLA-80-44.7/69.8                    Federal Project:                                 
03-NEV-80-0.0/28.0                                     ACIM-080-4(183)                  
                                                                                        
                                                                                        
Progress payment No. 03            Payment period ending: 07-31-08                      
PENHALL COMPANY                                                                         
P O BOX 310                                                                             
ROGERS MN 55374                                                                         
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         161,993.28            0.00                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          161,993.28            0.00                      
5. Mobilization                          27,500.00            0.00                      
6. Total Work Completed      189,493.28                                                 
7. Deductions                           -10,000.00       10,000.00                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              179,493.28       10,000.00                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              10,000.00