Dept. of Trans.       SEMI-FINAL   Serial No.  Contract No.                             
                                          09-309-13-03  10-0L9504                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
10-SJ-88-3.2/ .0                    Federal Project:                                    
                                     ACHS-PO88(50)                                      
                             STPG-PO88(50)                                              
                             HSIP-6210(88)                                              
Progress payment No. 07            Payment period ending: 10-07-09                      
COLUMBIA ELECTRIC INC                                                                   
1980 DAVIS STREET                                                                       
SAN LEANDRO CA 94577                                                                    
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         286,203.97            0.00                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                    -5,717.45            0.00                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention          280,486.52            0.00                      
5. Mobilization                                                                         
6. Total Work Completed      280,486.52                                                 
7. Deductions                                 0.00        5,000.00                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              280,486.52        5,000.00                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                               5,000.00