Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          02-084-10-53  07-141004                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  30%          41%                             
07-LA-110-23.7/29.9                    Federal Project:                                 
                                     ACNH-S110(7)                                       
                                                                                        
                                                                                        
Progress payment No. 04            Payment period ending: 03-20-02                      
L A SIGNAL                                                                              
P O BOX 3078                                                                            
INDUSTRY CA 91744                                                                       
                                                                                        
                                                                                        
Escrow No.  01852                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         332,410.47       30,520.97                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                    261,274.67            0.00                      
4. Earned Subject to Retention          593,685.14       30,520.97                      
5. Mobilization                         150,096.20            0.00                      
6. Total Work Completed      482,506.67                                                 
7. Deductions                           -17,600.00       -3,000.00                      
8. a.Contract Retentions                -29,684.26         -724.92                      
   b. Unsatisfactory Prog.                    0.00       19,726.83                      
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              696,497.08       46,522.88                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              46,522.88