Dept. of Trans.       AFTER ACCEPTANCE   Serial No.  Contract No.                       
                                          06-271-09-53  10-263414                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
10-SJ-5-27.0/27.9                    Federal Project:                                   
                                     ACIM-005-6(317)                                    
                             ACIM-005-6(317)                                            
                                                                                        
Progress payment No. 21            Payment period ending: 08-30-06                      
VIKING CONSTRUCTION COMPANY                                                             
INC                                                                                     
P O BOX 1508                                                                            
RANCHO CORDOVA CA 95741                                                                 
                                                                                        
Escrow No.  02176                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       4,017,728.15            0.00                      
2.a. Extra Work                         202,989.44            0.00                      
  b. Adjustment Comp.                    27,830.00            0.00                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention        4,248,547.59            0.00                      
5. Mobilization                         440,000.00            0.00                      
6. Total Work Completed    4,688,547.59                                                 
7. Deductions                           -20,000.00      -20,000.00                      
8. a.Contract Retentions               -212,427.38            0.00                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.         212,427.38      212,427.38                      
9. Total pay to Contractor            4,668,547.59      192,427.38                      
10. Reduction Amt to Escrow            -212,420.00     -212,420.00                      
11. Payment to Escrow       212,420.00                                                  
12. Net Pymt. this Estimate                             -19,992.62