Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          08-110-07-03  04-0120F4                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  27%          28%                             
04-SF-80-8.2/8.7                    Federal Project:                                    
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 24            Payment period ending: 04-20-08                      
AMERICAN BRIDGE FLUOR                                                                   
ENTERPRISES INC A JOINT                                                                 
VENTURE                                                                                 
1000 AMERICAN BRIDGE WAY                                                                
CORAOPOLIS PA 15108                                                                     
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.     161,060,570.85   17,799,262.45                      
2.a. Extra Work                      13,728,868.87       26,899.64                      
  b. Adjustment Comp.               215,063,041.63            0.00                      
3. Materials on Hand                 31,017,896.00    2,506,242.86                      
4. Earned Subject to Retention      420,870,377.35   20,332,404.95                      
5. Mobilization                                                                         
6. Total Work Completed  389,852,481.35                                                 
7. Deductions                                                                           
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor          420,870,377.35   20,332,404.95                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                          20,332,404.95