Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          05-237-10-24  07-4K9904                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
07-LA-5-25.7/28.8                    Federal Project:                                   
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 02            Payment period ending: 08-20-05                      
CALIFORNIA GRINDING SPECIALTIE                                                          
S INC.                                                                                  
1536 CALLOWAY DRIVE                                                                     
BAKERSFIELD, CA 93312                                                                   
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.           2,475.00            0.00                      
2.a. Extra Work                         297,468.07      185,701.09                      
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          299,943.07      185,701.09                      
5. Mobilization                                                                         
6. Total Work Completed      299,943.07                                                 
7. Deductions                                                                           
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                    0.00       11,424.20                      
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              299,943.07      197,125.29                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             197,125.29