Dept. of Trans.       SEMI-FINAL   Serial No.  Contract No.                             
                                          11-202-14-28  05-0Q6704                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
05-MON-1-T101.4/R102.0                    Federal Project:                              
                                     HSNH-P001(552)                                     
                             G-P001(552)                                                
                                                                                        
Progress payment No. 04            Payment period ending: 06-27-11                      
MIDSTATE BARRIER INC                                                                    
P O BOX 30550                                                                           
STOCKTON CA 952130550                                                                   
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         263,991.54        7,511.00                      
2.a. Extra Work                           9,876.81        5,393.64                      
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          273,868.35       12,904.64                      
5. Mobilization                          15,000.00            0.00                      
6. Total Work Completed      288,868.35                                                 
7. Deductions                                 0.00       16,000.00                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              288,868.35       28,904.64                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              28,904.64