Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          07-173-09-42  01-4146V4                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  19%          12%                             
01-LAK-20-38.5/42.0                    Federal Project:                                 
                                     ACST-P020(142)                                     
                             PH-P020(142)                                               
                                                                                        
Progress payment No. 04            Payment period ending: 06-15-07                      
ARGONAUT CONSTRUCTORS                                                                   
P O BOX 639                                                                             
SANTA ROSA CA 95402                                                                     
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       2,083,487.06    1,361,233.74                      
2.a. Extra Work                          41,864.14       38,968.75                      
  b. Adjustment Comp.                    -1,411.98            0.00                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention        2,123,939.22    1,400,202.49                      
5. Mobilization                         909,000.00      303,000.00                      
6. Total Work Completed    3,032,939.22                                                 
7. Deductions                          -100,000.00     -100,000.00                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor            2,932,939.22    1,603,202.49                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                           1,603,202.49