Dept. of Trans.       FINAL   Serial No.  Contract No.                                  
                                          07-215-10-30  10-049944                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
10-AMA-49-R7.0/R11.0                    Federal Project:                                
                                     ACST-P049(129)                                     
                             P-P049(129)                                                
                                                                                        
Progress payment No. 38            Payment period ending: 05-15-07                      
VIKING STIMPEL A JOINT VENTURE                                                          
P O BOX 492335                                                                          
REDDING CA 960492335                                                                    
                                                                                        
                                                                                        
Escrow No.  02177                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.      20,525,804.14        8,935.00                      
2.a. Extra Work                       2,061,581.80        6,935.12                      
  b. Adjustment Comp.                   723,236.85       -6,659.20                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention       23,310,622.79        9,210.92                      
5. Mobilization                       1,950,000.00            0.00                      
6. Total Work Completed   25,260,622.79                                                 
7. Deductions                                 0.00       10,000.00                      
8. a.Contract Retentions             -1,145,900.69            0.00                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.       1,145,900.69            0.00                      
9. Total pay to Contractor           25,260,622.79       19,210.92                      
10. Reduction Amt to Escrow          -1,145,900.00            0.00                      
11. Payment to Escrow     1,145,900.00                                                  
12. Net Pymt. this Estimate                              19,210.92