Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          05-206-13-14  01-412204                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  33%          64%                             
01-MEN-101-R84.0/ .0                    Federal Project:                                
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 04            Payment period ending: 07-20-05                      
SONOMA ENGINEERING INC                                                                  
110 DRY CREEK ROAD                                                                      
HEALDSBURG  CA 95448                                                                    
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         116,740.99       69,136.40                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          116,740.99       69,136.40                      
5. Mobilization                          42,750.00        9,000.00                      
6. Total Work Completed      159,490.99                                                 
7. Deductions                           -14,000.00       -1,500.00                      
8. a.Contract Retentions                 -8,816.22       -4,055.76                      
   b. Unsatisfactory Prog.               -2,857.88       -2,857.88                      
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              133,816.89       69,722.76                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              69,722.76