Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          01-110-11-49  04-013084                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  24%          27%                             
04-SOL-680-1.5/ .0                    Federal Project:                                  
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 05            Payment period ending: 04-20-01                      
DIABLO CONTRACTORS INC                                                                  
760 SAN RAMON VALLEY BLVD 103                                                           
DANVILLE CA 94526                                                                       
                                                                                        
                                                                                        
Escrow No.  01667                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       1,159,855.00      734,985.00                      
2.a. Extra Work                          13,884.79          930.93                      
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention        1,173,739.79      735,915.93                      
5. Mobilization                         525,000.00      175,000.00                      
6. Total Work Completed    1,698,739.79                                                 
7. Deductions                           -10,000.00      -10,000.00                      
8. a.Contract Retentions               -117,373.98      -73,591.59                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor            1,571,365.81      827,324.34                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow       117,370.00                                                  
12. Net Pymt. this Estimate                             827,324.34