Dept. of Trans.       SEMI-FINAL   Serial No.  Contract No.                             
                                          07-270-10-29  12-1072U4                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
12-ORA-133-4.2/8.1                    Federal Project:                                  
                                     ACST-P133(10)                                      
                             P-P133(10)                                                 
                                                                                        
Progress payment No. 60            Payment period ending: 07-13-07                      
SEMA CONSTRUCTION INC                                                                   
6 ORCHARD, STE. 150                                                                     
LAKE FOREST CA 92630                                                                    
                                                                                        
                                                                                        
Escrow No.  02046                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.      18,483,581.53      -14,594.97                      
2.a. Extra Work                       3,761,888.04            0.00                      
  b. Adjustment Comp.                 1,966,414.86            0.00                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention       24,211,884.43      -14,594.97                      
5. Mobilization                       1,340,411.19            0.00                      
6. Total Work Completed   25,552,295.62                                                 
7. Deductions                              -864.00      262,569.38                      
8. a.Contract Retentions             -1,199,516.87            0.00                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.       1,199,516.87            0.00                      
9. Total pay to Contractor           25,551,431.62      247,974.41                      
10. Reduction Amt to Escrow          -1,199,510.00            0.00                      
11. Payment to Escrow     1,199,510.00                                                  
12. Net Pymt. this Estimate                             247,974.41