Dept. of Trans.       SEMI-FINAL   Serial No.  Contract No.                             
                                          13-294-09-50  03-4M7704                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
03-SAC-5-22.0/ .0                    Federal Project:                                   
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 04            Payment period ending: 09-04-13                      
INDEPENDENT STRUCTURES INC                                                              
P O BOX 491655                                                                          
REDDING CA 96049                                                                        
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         440,147.40            0.00                      
2.a. Extra Work                          21,811.58        6,531.65                      
  b. Adjustment Comp.                      -500.00            0.00                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention          461,458.98        6,531.65                      
5. Mobilization                                                                         
6. Total Work Completed      461,458.98                                                 
7. Deductions                           -10,000.00            0.00                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              451,458.98        6,531.65                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                               6,531.65