Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          08-113-08-37  11-010614                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  15%           9%                             
11-SD-52-14.1/16.3                    Federal Project:                                  
                                     NONE                                               
                                                                                        
                                                                                        
Progress payment No. 04            Payment period ending: 04-20-08                      
ERRECAS INC                                                                             
P O BOX 640                                                                             
LAKESIDE CA 92040                                                                       
                                                                                        
                                                                                        
Escrow No.  02360                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.       5,680,796.71    2,867,081.70                      
2.a. Extra Work                       1,792,464.19      698,359.08                      
  b. Adjustment Comp.                                                                   
3. Materials on Hand                    534,715.53       71,568.65                      
4. Earned Subject to Retention        8,007,976.43    3,637,009.43                      
5. Mobilization                       1,785,000.00      595,000.00                      
6. Total Work Completed    9,258,260.90                                                 
7. Deductions                           -30,000.00      -10,000.00                      
8. a.Contract Retentions               -800,797.64     -363,700.94                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor            8,962,178.79    3,858,308.49                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow       800,790.00                                                  
12. Net Pymt. this Estimate                           3,858,308.49