Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          06-230-07-23  04-2S3004                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  31%          44%                             
04-SON-116-9.5/ .0                    Federal Project:                                  
                                     ER-37A9(4)                                         
                                                                                        
                                                                                        
Progress payment No. 04            Payment period ending: 08-20-06                      
GORDON N BALL INC                                                                       
333 CAMILLE AVENUE                                                                      
ALAMO  CA 94507                                                                         
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.          59,566.00       51,250.00                      
2.a. Extra Work                             529.24            0.00                      
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention           60,095.24       51,250.00                      
5. Mobilization                          23,750.00       23,750.00                      
6. Total Work Completed       83,845.24                                                 
7. Deductions                                                                           
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor               83,845.24       75,000.00                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              75,000.00