Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          10-354-12-11  03-2A9404                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  69%          53%                             
03-PLA-28-0.8/11.0                    Federal Project:                                  
                                     ACST-P028(9)                                       
                             PH-P028(9)                                                 
                                                                                        
Progress payment No. 28            Payment period ending: 12-20-10                      
DIABLO CONTRACTORS INC                                                                  
7 CROW CANYON COURT SUITE 100                                                           
SAN RAMON CA 94583                                                                      
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.      17,377,884.52       -6,067.00                      
2.a. Extra Work                       1,174,135.86      131,521.91                      
  b. Adjustment Comp.                   317,383.48        2,500.89                      
3. Materials on Hand                     79,041.21           -0.01                      
4. Earned Subject to Retention       18,948,445.07      127,955.79                      
5. Mobilization                       2,700,000.00            0.00                      
6. Total Work Completed   21,569,403.86                                                 
7. Deductions                            -5,000.00       -5,000.00                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor           21,643,445.07      122,955.79                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             122,955.79