Dept. of Trans.       AFTER ACCEPTANCE   Serial No.  Contract No.                       
                                          08-077-08-00  04-1A3924                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                 100%         100%                             
04-SF-0                    Federal Project:                                             
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 04            Payment period ending: 02-28-08                      
ARBORWORKS INC                                                                          
11875 DUBLIN BLVD STE C 152                                                             
DUBLIN CA 94568                                                                         
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         258,110.00        1,060.00                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                   147,900.00      111,600.00                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention          406,010.00      112,660.00                      
5. Mobilization                          20,000.00            0.00                      
6. Total Work Completed      426,010.00                                                 
7. Deductions                                                                           
8. a.Contract Retentions                -12,852.50            0.00                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.          12,852.50            0.00                      
9. Total pay to Contractor              426,010.00      112,660.00                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             112,660.00