Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          05-237-16-53  03-1A9304                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  55%          58%                             
03-YOL-80-6.4/R11.3                    Federal Project:                                 
                                     ACIM-080-2(344)                                    
                                                                                        
                                                                                        
Progress payment No. 04            Payment period ending: 08-19-05                      
DE SILVA GATES CONSTRUCTION                                                             
P O BOX 2909                                                                            
DUBLIN CA 94568                                                                         
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       3,451,854.20    1,672,340.60                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                   -54,896.54      -54,896.54                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention        3,396,957.66    1,617,444.06                      
5. Mobilization                         731,500.00            0.00                      
6. Total Work Completed    4,128,457.66                                                 
7. Deductions                              -500.00       19,500.00                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor            4,127,957.66    1,636,944.06                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                           1,636,944.06