Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          06-172-07-23  05-0C8704                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  83%          94%                             
05-SLO-101-58.3/ .0                    Federal Project:                                 
05-SLO-1-45.6/ .0                                     NONE                              
05-SLO-101-26.3/ .0                                                                     
                                                                                        
Progress payment No. 04            Payment period ending: 06-20-06                      
CLAYBORN CONTRACTING GROUP INC                                                          
10556 COMBIE ROAD                                                                       
AUBURN CA 956028908                                                                     
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         488,973.10      209,689.00                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                    -2,898.00            0.00                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention          486,075.10      209,689.00                      
5. Mobilization                                                                         
6. Total Work Completed      486,075.10                                                 
7. Deductions                                                                           
8. a.Contract Retentions                -24,303.76      -10,484.45                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              461,771.34      199,204.55                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             199,204.55