Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          04-237-10-32  04-250004                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                   4%          28%                             
04-NAP-128-20.2/ .0                    Federal Project:                                 
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 02            Payment period ending: 08-20-04                      
YERBA BUENA ENGINEERING AND                                                             
CONSTRUCTION INC                                                                        
1485 BAYSHORE BLVD  SUITE 256                                                           
SAN FRANCISCO  CA 94124                                                                 
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.          14,200.00        6,700.00                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention           14,200.00        6,700.00                      
5. Mobilization                                                                         
6. Total Work Completed       14,200.00                                                 
7. Deductions                                                                           
8. a.Contract Retentions                 -1,420.00         -670.00                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor               12,780.00        6,030.00                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                               6,030.00