Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          07-080-15-01  03-0E1804                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  54%          60%                             
03-SAC-50-L1.1/R2.0                    Federal Project:                                 
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 04            Payment period ending: 03-20-07                      
BAY LINE CUTTING AND CORING                                                             
INC                                                                                     
1033 YERBA BUENA AVE                                                                    
OAKLAND CA 94608                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         254,179.00       64,090.00                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          254,179.00       64,090.00                      
5. Mobilization                          47,500.00            0.00                      
6. Total Work Completed      301,679.00                                                 
7. Deductions                            -2,000.77       -2,000.77                      
8. a.Contract Retentions                -12,708.95       -3,204.50                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              286,969.28       58,884.73                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              58,884.73