Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          06-201-07-22  04-0T0424                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 PEP        SAT                                
04-SON-37-6.0/ .0                    Federal Project:                                   
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 28            Payment period ending: 07-20-06                      
TRI COUNTY INCORPORATED                                                                 
2475 STOCKTON ST                                                                        
NAPA CA 94559                                                                           
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         444,378.64        1,918.00                      
2.a. Extra Work                         128,827.43            0.00                      
  b. Adjustment Comp.                      -448.54            0.00                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention          572,757.53        1,918.00                      
5. Mobilization                          12,000.00            0.00                      
6. Total Work Completed      584,757.53                                                 
7. Deductions                            -4,290.00            0.00                      
8. a.Contract Retentions                -28,637.88          -95.90                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              551,829.65        1,822.10                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                               1,822.10