Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          06-082-10-29  04-006034                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  85%          78%                             
04-CC-680-24.9/25.5                    Federal Project:                                 
04-SOL-680-L0.1/0.7                                     ACIM-680-1(54)                  
                                                                                        
                                                                                        
Progress payment No. 55            Payment period ending: 03-20-06                      
KIEWIT PACIFIC CO                                                                       
P O BOX 1769                                                                            
VANCOUVER WA 98668                                                                      
                                                                                        
                                                                                        
Escrow No.  01848                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.     215,283,826.49    5,188,627.69                      
2.a. Extra Work                      30,892,127.57      153,659.77                      
  b. Adjustment Comp.               353,615,697.03    6,896,753.39                      
3. Materials on Hand                  1,856,369.27     -297,972.24                      
4. Earned Subject to Retention      601,648,020.36   11,941,068.61                      
5. Mobilization                      27,764,200.00            0.00                      
6. Total Work Completed  627,555,851.09                                                 
7. Deductions                           -55,870.00      -11,476.00                      
8. a.Contract Retentions            -30,082,401.02     -597,053.43                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor          599,273,949.34   11,332,539.18                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow     9,986,750.00                                                  
12. Net Pymt. this Estimate                          11,332,539.18