Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
Dept. of Trans.       SEMI-FINAL   Serial No.  Contract No.                             
                                          05-235-08-53  05-0K2204                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  98%         100%                             
05-SB-101-18.9/19.8                    Federal Project:                                 
                                     ACST-Q101(91)                                      
                             PHG-Q101(91)                                               
                                                                                        
Progress payment No. 04            Payment period ending: 08-20-05                      
R BURKE CORPORATION                                                                     
P O BOX 957                                                                             
SAN LUIS OBISPO CA 934060957                                                            
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         599,702.49      193,783.79                      
2.a. Extra Work                             430.68          430.68                      
                                          05-222-15-07  08-0E0904                       
  b. Adjustment Comp.                                                                   
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
08-SBD-189-0.0/3.0                    Federal Project:                                  
                                     NONE                                               
                                                                                        
3. Materials on Hand                                                                    
                                                                                        
Progress payment No. 03            Payment period ending: 06-27-05                      
MATICH CORPORATION                                                                      
P O BOX 50000                                                                           
SAN BERNARDINO CA 92412                                                                 
                                                                                        
4. Earned Subject to Retention          600,133.17      194,214.47                      
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         525,821.97            0.00                      
2.a. Extra Work                          45,517.94       22,041.00                      
  b. Adjustment Comp.                    -2,504.93            0.00                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention          568,834.98       22,041.00                      
5. Mobilization                                                                         
6. Total Work Completed      568,834.98                                                 
7. Deductions                           -16,550.00        8,050.00                      
8. a.Contract Retentions                -23,414.21            0.00                      
   b. Unsatisfactory Prog.                                                              
5. Mobilization                          30,000.00            0.00                      
   c. Reduction after 95% Comp.          23,414.21            0.00                      
6. Total Work Completed      630,133.17                                                 
9. Total pay to Contractor              552,284.98       30,091.00                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              30,091.00                      
7. Deductions                                                                           
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              630,133.17      194,214.47                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             194,214.47