Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          08-142-14-35  11-010614                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  22%          12%                             
11-SD-52-14.1/16.3                    Federal Project:                                  
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 05            Payment period ending: 05-20-08                      
ERRECAS INC                                                                             
P O BOX 640                                                                             
LAKESIDE CA 92040                                                                       
                                                                                        
                                                                                        
Escrow No.  02360                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       8,863,477.74    3,182,681.03                      
2.a. Extra Work                       2,311,399.31      518,935.12                      
  b. Adjustment Comp.                  -208,166.00     -208,166.00                      
3. Materials on Hand                    677,301.99      142,586.46                      
4. Earned Subject to Retention       11,644,013.04    3,636,036.61                      
5. Mobilization                       2,261,000.00      476,000.00                      
6. Total Work Completed   13,227,711.05                                                 
7. Deductions                           -10,000.00       20,000.00                      
8. a.Contract Retentions             -1,153,700.81     -352,903.17                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor           12,741,312.23    3,779,133.44                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow     1,153,700.00                                                  
12. Net Pymt. this Estimate                           3,779,133.44