Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          02-079-11-59  04-438614                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  89%          93%                             
04-SCL-237-8.0/9.6                    Federal Project:                                  
04-SCL-880-7.8/10.1                                     NHI-880-1(41)                   
                             AC-880-1(41)                                               
                             ACST-S237(7)                                               
Progress payment No. 43            Payment period ending: 03-20-02                      
DE SILVA GATES CONSTRUCTION                                                             
P O BOX 2909                                                                            
DUBLIN CA 94568                                                                         
                                                                                        
                                                                                        
Escrow No.  01171                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.      32,798,308.52      -63,861.95                      
2.a. Extra Work                       3,970,805.02       96,350.60                      
  b. Adjustment Comp.                   969,603.36        7,205.23                      
3. Materials on Hand                     84,513.60      -20,307.17                      
4. Earned Subject to Retention       37,823,230.50       19,386.71                      
5. Mobilization                       3,874,000.00            0.00                      
6. Total Work Completed   41,612,716.90                                                 
7. Deductions                            -2,600.00            0.00                      
8. a.Contract Retentions             -1,891,161.53         -969.34                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor           39,803,468.97       18,417.37                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow     1,891,160.00                                                  
12. Net Pymt. this Estimate                              18,417.37