Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          07-232-08-11  10-1A7004                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 PEP        SAT                                
10-SJ-99-14.1/15.0                    Federal Project:                                  
                                     ACNH-P099(429)                                     
                             STPL-6210(1)                                               
                                                                                        
Progress payment No. 53            Payment period ending: 08-20-07                      
VIKING D S S A JOINT VENTURE                                                            
P O BOX 1508                                                                            
RANCHO CORDOVA CA 95741-1508                                                            
                                                                                        
                                                                                        
Escrow No.  01951                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.      20,965,993.06        1,900.00                      
2.a. Extra Work                       1,260,912.47            0.00                      
  b. Adjustment Comp.                   190,053.12            0.00                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention       22,416,958.65        1,900.00                      
5. Mobilization                       2,350,000.00            0.00                      
6. Total Work Completed   24,766,958.65                                                 
7. Deductions                           -35,673.08            0.00                      
8. a.Contract Retentions             -1,120,847.93          -95.00                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor           23,610,437.64        1,805.00                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow     1,120,840.00                                                  
12. Net Pymt. this Estimate                               1,805.00