Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          06-299-09-08  12-1072U4                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  93%         100%                             
12-ORA-133-4.2/8.1                    Federal Project:                                  
                                     ACST-P133(10)                                      
                             P-P133(10)                                                 
                                                                                        
Progress payment No. 48            Payment period ending: 10-20-06                      
SEMA CONSTRUCTION INC                                                                   
6 ORCHARD, STE. 150                                                                     
LAKE FOREST CA 92630                                                                    
                                                                                        
                                                                                        
Escrow No.  02046                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.      17,748,023.26      171,785.39                      
2.a. Extra Work                       2,299,343.83      115,960.78                      
  b. Adjustment Comp.                 1,706,617.32         -667.68                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention       21,753,984.41      287,078.49                      
5. Mobilization                       1,340,411.19            0.00                      
6. Total Work Completed   23,094,395.60                                                 
7. Deductions                              -864.00            0.00                      
8. a.Contract Retentions             -1,087,699.22      -14,353.92                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor           22,005,832.38      272,724.57                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow     1,087,690.00                                                  
12. Net Pymt. this Estimate                             272,724.57