Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          07-114-12-28  02-381604                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                   1%           3%                             
02-LAS-395-30.7/56.7                    Federal Project:                                
                                     ACST-P395(215)                                     
                             PH-P395(215)                                               
                                                                                        
Progress payment No. 01            Payment period ending: 04-20-07                      
SIERRA NEVADA CONSTRUCTION                                                              
INC                                                                                     
P O BOX 50760                                                                           
SPARKS NV 89435                                                                         
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.         344,979.00      344,979.00                      
2.a. Extra Work                                                                         
  b. Adjustment Comp.                                                                   
3. Materials on Hand                     34,245.86       34,245.86                      
4. Earned Subject to Retention          379,224.86      379,224.86                      
5. Mobilization                                                                         
6. Total Work Completed      344,979.00                                                 
7. Deductions                                                                           
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor              379,224.86      379,224.86                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             379,224.86