Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          13-235-15-54  04-4A3304                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  68%          44%                             
04-SCL-101-49.0/52.2                    Federal Project:                                
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 20            Payment period ending: 08-20-13                      
O C JONES AND SONS INC                                                                  
1520 FOURTH STREET                                                                      
BERKELEY CA 94710                                                                       
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.      20,337,700.02      539,594.78                      
2.a. Extra Work                       1,691,423.62       41,995.35                      
  b. Adjustment Comp.                 2,676,531.72            0.00                      
3. Materials on Hand                    986,209.51      -11,505.61                      
4. Earned Subject to Retention       25,691,864.87      570,084.52                      
5. Mobilization                       1,700,000.00            0.00                      
6. Total Work Completed   26,405,655.36                                                 
7. Deductions                            -9,586.03            0.00                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor           27,382,278.84      570,084.52                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             570,084.52