Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          08-234-13-08  07-3Y2004                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  48%          69%                             
07-LA-118-R2.6/R12.5                    Federal Project:                                
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 03            Payment period ending: 08-20-08                      
PENHALL COMPANY                                                                         
P O BOX 310                                                                             
ROGERS MN 55374                                                                         
                                                                                        
                                                                                        
Escrow No.  02375                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         808,390.34      586,745.34                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          808,390.34      586,745.34                      
5. Mobilization                          94,050.00       19,800.00                      
6. Total Work Completed      902,440.34                                                 
7. Deductions                            -1,420.00         -620.00                      
8. a.Contract Retentions                -40,419.52      -18,255.02                      
   b. Unsatisfactory Prog.              -29,337.27      -29,337.27                      
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              831,263.55      558,333.05                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow        40,410.00                                                  
12. Net Pymt. this Estimate                             558,333.05