Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          07-233-07-24  04-0A6204                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                   6%           8%                             
04-SON-12-34.0/34.3                    Federal Project:                                 
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 04            Payment period ending: 08-20-07                      
NORTH BAY CONSTRUCTION INC                                                              
P O BOX 6004                                                                            
PETALUMA CA 949556004                                                                   
                                                                                        
                                                                                        
Escrow No.  02288                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.           5,750.00            0.00                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                     14,821.51       14,821.51                      
4. Earned Subject to Retention           20,571.51       14,821.51                      
5. Mobilization                          20,500.00       20,500.00                      
6. Total Work Completed       26,250.00                                                 
7. Deductions                                                                           
8. a.Contract Retentions                 -2,057.15       -1,482.15                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor               39,014.36       33,839.36                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow         2,050.00                                                  
12. Net Pymt. this Estimate                              33,839.36