Dept. of Trans.       SEMI-FINAL   Serial No.  Contract No.                             
                                          09-132-10-35  07-3Y2004                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
07-LA-118-R2.6/R12.5                    Federal Project:                                
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 07            Payment period ending: 12-12-08                      
PENHALL COMPANY                                                                         
P O BOX 310                                                                             
ROGERS MN 55374                                                                         
                                                                                        
                                                                                        
Escrow No.  02375                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       1,645,942.02       10,417.54                      
2.a. Extra Work                          37,729.13       21,592.42                      
  b. Adjustment Comp.                   -15,000.00            0.00                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention        1,668,671.15       32,009.96                      
5. Mobilization                          99,000.00            0.00                      
6. Total Work Completed    1,767,671.15                                                 
7. Deductions                                                                           
8. a.Contract Retentions                -81,676.22            0.00                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.          81,676.22            0.00                      
9. Total pay to Contractor            1,767,671.15       32,009.96                      
10. Reduction Amt to Escrow             -81,670.00            0.00                      
11. Payment to Escrow        81,670.00                                                  
12. Net Pymt. this Estimate                              32,009.96