Dept. of Trans.       AFTER ACCEPTANCE   Serial No.  Contract No.                       
                                          07-145-13-22  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. 36            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.      20,516,869.14       15,818.00                      
2.a. Extra Work                       2,054,646.68       80,086.76                      
  b. Adjustment Comp.                   717,983.38      275,580.72                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention       23,289,499.20      371,485.48                      
5. Mobilization                       1,950,000.00            0.00                      
6. Total Work Completed   25,239,499.20                                                 
7. Deductions                           -11,751.20      -11,751.20                      
8. a.Contract Retentions             -1,145,900.69            0.00                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.       1,145,900.69    1,145,900.69                      
9. Total pay to Contractor           25,227,748.00    1,505,634.97                      
10. Reduction Amt to Escrow          -1,145,900.00   -1,145,900.00                      
11. Payment to Escrow     1,145,900.00                                                  
12. Net Pymt. this Estimate                             359,734.97