Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          13-085-10-29  08-0N1404                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  36%          73%                             
08-SBD-138-0.0/ .0                    Federal Project:                                  
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 04            Payment period ending: 03-20-13                      
NACS, INC. C/O UNITED                                                                   
ENGINEERING AND CONSTRUCTION                                                            
INC                                                                                     
8800 HWY 7                                                                              
ST. LOUIS PARK, MN 55426                                                                
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         253,831.50       12,428.00                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          253,831.50       12,428.00                      
5. Mobilization                                                                         
6. Total Work Completed      253,831.50                                                 
7. Deductions                                                                           
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              253,831.50       12,428.00                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              12,428.00