Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          06-230-07-15  04-013094                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  67%          48%                             
04-CC-80-13.7/14.1                    Federal Project:                                  
04-SOL-80-0.0/0.3                                     NONE                              
                                                                                        
                                                                                        
Progress payment No. 16            Payment period ending: 08-20-06                      
CALIFORNIA ENGINEERING                                                                  
CONTRACTORS INC                                                                         
20 HAPPY VALLEY ROAD                                                                    
PLEASANTON CA 94566                                                                     
                                                                                        
Escrow No.  02196                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.      16,280,990.94      411,503.00                      
2.a. Extra Work                         770,314.90       15,167.07                      
  b. Adjustment Comp.                   483,817.00      347,777.00                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention       17,535,122.84      774,447.07                      
5. Mobilization                       2,880,000.00            0.00                      
6. Total Work Completed   20,415,122.84                                                 
7. Deductions                            -2,800.00        1,600.00                      
8. a.Contract Retentions               -876,756.14      -38,722.35                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor           19,535,566.70      737,324.72                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow       876,750.00                                                  
12. Net Pymt. this Estimate                             737,324.72