Dept. of Trans.       SEMI-FINAL   Serial No.  Contract No.                             
                                          08-317-10-51  01-479804                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
01-HUM-101-75.1/78.7                    Federal Project:                                
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 04            Payment period ending: 09-23-08                      
STIMPEL WIEBELHAUS ASSOCIATES                                                           
INC                                                                                     
P O BOX 492335                                                                          
REDDING CA 960492335                                                                    
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         883,830.00       79,014.37                      
2.a. Extra Work                          11,128.96       11,128.96                      
  b. Adjustment Comp.                    37,053.63            0.00                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention          932,012.59       90,143.33                      
5. Mobilization                          24,000.00            0.00                      
6. Total Work Completed      956,012.59                                                 
7. Deductions                           -10,000.00       10,000.00                      
8. a.Contract Retentions                -27,141.98            0.00                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.          27,141.98            0.00                      
9. Total pay to Contractor              946,012.59      100,143.33                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             100,143.33