Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          10-236-08-11  01-472104                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  60%          58%                             
01-HUM-299-R21.5/ .0                    Federal Project:                                
                                     ER-4316(4)                                         
                                                                                        
                                                                                        
Progress payment No. 04            Payment period ending: 08-20-10                      
CALEX ENGINEERING COMPANY                                                               
23651 PINE STREET                                                                       
NEWHALL CA 91321                                                                        
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         543,361.21      364,801.46                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                          0.00     -194,140.09                      
4. Earned Subject to Retention          543,361.21      170,661.37                      
5. Mobilization                         125,000.00        6,250.00                      
6. Total Work Completed      668,361.21                                                 
7. Deductions                           -15,816.30         -790.82                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              652,544.91      176,120.55                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             176,120.55