Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          07-166-08-45  04-272014                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  83%          83%                             
04-SCL-280-R2.2/5.1                    Federal Project:                                 
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 12            Payment period ending: 06-20-07                      
R G W CONSTRUCTION INC                                                                  
P O BOX 2910                                                                            
LIVERMORE CA 94551                                                                      
                                                                                        
                                                                                        
Escrow No.  02245                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.      11,563,843.71    1,205,626.11                      
2.a. Extra Work                         588,109.25      239,389.60                      
  b. Adjustment Comp.                     3,568.60            0.00                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention       12,155,521.56    1,445,015.71                      
5. Mobilization                       1,747,000.00            0.00                      
6. Total Work Completed   13,902,521.56                                                 
7. Deductions                          -222,772.50        7,752.00                      
8. a.Contract Retentions               -607,776.08      -72,250.79                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor           13,071,972.98    1,380,516.92                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow       607,770.00                                                  
12. Net Pymt. this Estimate                           1,380,516.92