Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          05-082-06-30  07-4J0904                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  64%          80%                             
07-LA-1-25.4/25.6                    Federal Project:                                   
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 04            Payment period ending: 03-20-05                      
A P ENGINEERING CORPORATION                                                             
1271 COLUMBIA AVENUE STE 10                                                             
RIVERSIDE CA 92507                                                                      
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.          98,904.60       52,929.60                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention           98,904.60       52,929.60                      
5. Mobilization                          37,600.00        1,880.00                      
6. Total Work Completed      136,504.60                                                 
7. Deductions                           -18,183.20         -909.16                      
8. a.Contract Retentions                 -4,945.23       -1,463.87                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              113,376.17       52,436.57                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              52,436.57