Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          11-143-14-07  05-0G4004                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  26%           5%                             
05-SCR-17-6.1/6.6                    Federal Project:                                   
                                     ACHS-P017(104)                                     
                             STPG-P017(104)                                             
                                                                                        
Progress payment No. 04            Payment period ending: 05-20-11                      
GORDON N BALL INC                                                                       
333 CAMILLE AVENUE                                                                      
ALAMO CA 94507                                                                          
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         580,070.00      470,370.00                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          580,070.00      470,370.00                      
5. Mobilization                         213,750.00      213,750.00                      
6. Total Work Completed      793,820.00                                                 
7. Deductions                                                                           
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              793,820.00      684,120.00                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             684,120.00