Dept. of Trans.       SEMI-FINAL   Serial No.  Contract No.                             
                                          10-263-12-35  08-0E1604                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
08-SBD-38-0.0/0.5                    Federal Project:                                   
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 03            Payment period ending: 08-12-10                      
MAMCO INC                                                                               
16810 VAN BUREN BLVD SUITE 20                                                           
RIVERSIDE CA 92504                                                                      
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         141,754.71            0.00                      
2.a. Extra Work                          41,014.03            0.00                      
  b. Adjustment Comp.                                                                   
3. Materials on Hand                                                                    
4. Earned Subject to Retention          182,768.74            0.00                      
5. Mobilization                                                                         
6. Total Work Completed      182,768.74                                                 
7. Deductions                                 0.00       10,000.00                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              182,768.74       10,000.00                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              10,000.00