Dept. of Trans.       AFTER ACCEPTANCE   Serial No.  Contract No.                       
                                          06-335-09-40  04-2R5704                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
04-SM-92-R11.8/R11.8                    Federal Project:                                
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 04            Payment period ending: 11-27-06                      
PENHALL COMPANY                                                                         
13750 CATALINA STREET                                                                   
SAN LEANDRO CA 94577                                                                    
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         346,727.00        1,950.00                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                    -1,350.00            0.00                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention          345,377.00        1,950.00                      
5. Mobilization                          24,000.00            0.00                      
6. Total Work Completed      369,377.00                                                 
7. Deductions                                                                           
8. a.Contract Retentions                -17,171.35            0.00                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.          17,171.35       17,171.35                      
9. Total pay to Contractor              369,377.00       19,121.35                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              19,121.35