Dept. of Trans.       SUPPLEMENTAL   Serial No.  Contract No.                           
                                          09-194-14-52  03-3555U4                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  92%          97%                             
03-ED-50-16.7/18.1                    Federal Project:                                  
                                     ACST-P050(110)                                     
                             PE-P050(110)                                               
                             BRLS-6203(14)                                              
Progress payment No. 42            Payment period ending: 06-19-09                      
MITCHELL ENGINEERING                                                                    
P O BOX 34367                                                                           
SAN FRANCISCO CA 94134                                                                  
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.      28,459,443.50       92,082.60                      
2.a. Extra Work                       1,495,761.80       52,899.06                      
  b. Adjustment Comp.                   484,712.30       -4,982.00                      
3. Materials on Hand                    151,806.67            0.30                      
4. Earned Subject to Retention       30,591,724.27      139,999.96                      
5. Mobilization                       3,500,000.00            0.00                      
6. Total Work Completed   33,939,917.60                                                 
7. Deductions                          -149,372.14            0.00                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor           33,942,352.13      139,999.96                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             139,999.96