Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          10-144-15-34  03-1E0304                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                   6%           9%                             
03-COL-20-R21.5/R22.4                    Federal Project:                               
                                     SARR-P020(150)                                     
                             A-P020(150)                                                
                                                                                        
Progress payment No. 04            Payment period ending: 05-20-10                      
NORTH BAY CONSTRUCTION INC                                                              
P O BOX 6004                                                                            
PETALUMA CA 949556004                                                                   
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         167,609.50      167,609.50                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                    925,816.62      -57,984.00                      
4. Earned Subject to Retention        1,093,426.12      109,625.50                      
5. Mobilization                         147,250.00       31,000.00                      
6. Total Work Completed      314,859.50                                                 
7. Deductions                                                                           
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor            1,240,676.12      140,625.50                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             140,625.50