Dept. of Trans.       SEMI-FINAL   Serial No.  Contract No.                             
                                          05-180-10-42  08-0E9604                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
08-SBD-18-17.8/21.4                    Federal Project:                                 
                                     NH                                                 
                                                                                        
                                                                                        
Progress payment No. 12            Payment period ending: 10-06-04                      
SEMA CONSTRUCTION INC                                                                   
2 SOUTH POINTE DRIVE STE 295                                                            
LAKE FOREST CA 92630                                                                    
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.                                                         
2.a. Extra Work                       5,355,693.55      216,713.83                      
  b. Adjustment Comp.                    -2,353.73            0.00                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention        5,353,339.82      216,713.83                      
5. Mobilization                                                                         
6. Total Work Completed    5,353,339.82                                                 
7. Deductions                                                                           
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor            5,353,339.82      216,713.83                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             216,713.83