Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          10-144-15-08  03-1A4614                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  66%          36%                             
03-SUT-99-16.8/23.0                    Federal Project:                                 
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 15            Payment period ending: 05-20-10                      
DE SILVA GATES CONSTRUCTION                                                             
P O BOX 2909                                                                            
DUBLIN CA 94568                                                                         
                                                                                        
                                                                                        
Escrow No.  02421                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.      13,146,747.69       72,864.13                      
2.a. Extra Work                         783,437.41       11,107.04                      
  b. Adjustment Comp.                  -578,395.05            0.00                      
3. Materials on Hand                     92,466.52            0.00                      
4. Earned Subject to Retention       13,444,256.57       83,971.17                      
5. Mobilization                       2,300,000.00            0.00                      
6. Total Work Completed   15,651,790.05                                                 
7. Deductions                                                                           
8. a.Contract Retentions               -672,212.83       -4,198.56                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor           15,072,043.74       79,772.61                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow       672,210.00                                                  
12. Net Pymt. this Estimate                              79,772.61