Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          05-140-18-17  04-291004                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  87%          87%                             
04-SF-101-4.7/5.1                    Federal Project:                                   
                                     ACNH-Q101(49)                                      
                                                                                        
                                                                                        
Progress payment No. 20            Payment period ending: 05-20-05                      
PROVEN MANAGEMENT INC                                                                   
706 SANSOME STREET                                                                      
SAN FRANCISCO CA 94111                                                                  
                                                                                        
                                                                                        
Escrow No.  02143                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.      20,106,774.95    1,807,459.21                      
2.a. Extra Work                         659,187.15       66,711.89                      
  b. Adjustment Comp.                   747,384.68       16,965.59                      
3. Materials on Hand                     20,820.35        6,640.00                      
4. Earned Subject to Retention       21,534,167.13    1,897,776.69                      
5. Mobilization                       2,350,000.00            0.00                      
6. Total Work Completed   23,863,346.78                                                 
7. Deductions                                                                           
8. a.Contract Retentions             -1,076,708.36      -94,888.84                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor           22,807,458.77    1,802,887.85                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                           1,802,887.85