Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          07-113-10-25  03-0E7304                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  62%          38%                             
03-SAC-16-4.6/ .0                    Federal Project:                                   
                                     ACST-P016(29)                                      
                             PH-P016(29)                                                
                             STPL-6203(19)                                              
Progress payment No. 05            Payment period ending: 04-20-07                      
PRISM ENGINEERING                                                                       
630 REED STREET                                                                         
SANTA CLARA CA 95050                                                                    
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         484,824.43       38,705.00                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          484,824.43       38,705.00                      
5. Mobilization                                                                         
6. Total Work Completed      484,824.43                                                 
7. Deductions                           -33,000.00       -1,000.00                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              451,824.43       37,705.00                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              37,705.00