Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          07-202-09-01  04-264204                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  12%          17%                             
04-SM-101-13.5/17.9                    Federal Project:                                 
                                     HPLU-6204(60)                                      
                             L-6204(60)                                                 
                                                                                        
Progress payment No. 04            Payment period ending: 07-20-07                      
DE SILVA GATES BROSMER A JOINT                                                          
VENTURE OF DE SILVA GATES                                                               
P O BOX 2909                                                                            
DUBLIN CA 94568                                                                         
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       8,781,622.04    2,260,755.88                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                  2,074,828.93     -637,722.65                      
4. Earned Subject to Retention       10,856,450.97    1,623,033.23                      
5. Mobilization                       6,000,000.00            0.00                      
6. Total Work Completed   14,781,622.04                                                 
7. Deductions                                                                           
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor           16,856,450.97    1,623,033.23                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                           1,623,033.23