Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          07-088-11-56  03-2E4104                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  90%          59%                             
03-YOL-80-5.8/7.2                    Federal Project:                                   
                                     ACIM-43A8(4)                                       
                                                                                        
                                                                                        
Progress payment No. 05            Payment period ending: 03-20-07                      
SIERRA EQUIPMENT RENTAL INC                                                             
8176 ROAD 44                                                                            
GLENN CA 95943                                                                          
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       1,992,696.04            0.00                      
2.a. Extra Work                          11,754.38        9,001.48                      
  b. Adjustment Comp.                     1,416.87        1,416.87                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention        2,005,867.29       10,418.35                      
5. Mobilization                         185,000.00            0.00                      
6. Total Work Completed    2,190,867.29                                                 
7. Deductions                                 0.00        3,000.00                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor            2,190,867.29       13,418.35                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                              13,418.35