Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          05-020-13-43  10-1A7004                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  75%          86%                             
10-SJ-99-14.1/15.0                    Federal Project:                                  
                                     ACNH-P099(429)                                     
                             STPL-6210(1)                                               
                                                                                        
Progress payment No. 31            Payment period ending: 01-20-05                      
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.      15,600,541.36      241,524.93                      
2.a. Extra Work                         518,425.57       24,593.79                      
  b. Adjustment Comp.                  -110,999.13            0.00                      
3. Materials on Hand                     42,028.36            0.00                      
4. Earned Subject to Retention       16,049,996.16      266,118.72                      
5. Mobilization                       2,350,000.00            0.00                      
6. Total Work Completed   18,357,967.80                                                 
7. Deductions                            -2,373.08            0.00                      
8. a.Contract Retentions               -802,499.81      -13,305.94                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor           17,595,123.27      252,812.78                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow       802,490.00                                                  
12. Net Pymt. this Estimate                             252,812.78