Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          06-080-09-46  04-291004                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 PEP        SAT                                
04-SF-101-4.7/5.1                    Federal Project:                                   
                                     ACNH-Q101(49)                                      
                                                                                        
                                                                                        
Progress payment No. 30            Payment period ending: 03-20-06                      
PROVEN MANAGEMENT INC                                                                   
706 SANSOME STREET                                                                      
SAN FRANCISCO CA 94111                                                                  
                                                                                        
                                                                                        
Escrow No.  02143                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.      22,966,420.20       67,930.00                      
2.a. Extra Work                       1,243,613.53      106,066.65                      
  b. Adjustment Comp.                   950,583.55      -61,105.41                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention       25,160,617.28      112,891.24                      
5. Mobilization                       2,350,000.00            0.00                      
6. Total Work Completed   27,510,617.28                                                 
7. Deductions                          -114,840.00            0.00                      
8. a.Contract Retentions             -1,258,030.86       -5,644.56                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor           26,137,746.42      107,246.68                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow     1,227,180.00                                                  
12. Net Pymt. this Estimate                             107,246.68