Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          08-084-07-34  12-0J1204                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  14%          68%                             
12-ORA-405-8.4                    Federal Project:                                      
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 02            Payment period ending: 03-20-08                      
DRILL TECH DRILLING & SHORING,                                                          
INC.                                                                                    
2200 WYMORE WAY                                                                         
ANTIOCH, CA 94509-8548                                                                  
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.                                                         
2.a. Extra Work                         742,437.29      331,270.33                      
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          742,437.29      331,270.33                      
5. Mobilization                                                                         
6. Total Work Completed      742,437.29                                                 
7. Deductions                                                                           
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              742,437.29      331,270.33                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             331,270.33