Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          03-142-11-10  03-291004                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  93%          89%                             
03-NEV-267-0.0/2.8                    Federal Project:                                  
                                     ACIM-080-4(191)                                    
                             ACST-X057(38)                                              
                             P-X057(38)                                                 
Progress payment No. 51            Payment period ending: 05-20-03                      
M C M / LADD JOINT VENTURE                                                              
P O BOX 620                                                                             
NORTH HIGHLANDS CA 95660                                                                
                                                                                        
                                                                                        
Escrow No.  01316                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.      26,075,065.81            0.00                      
2.a. Extra Work                       3,406,599.50       58,426.12                      
  b. Adjustment Comp.                  -119,188.60       27,204.39                      
3. Materials on Hand                                                                    
4. Earned Subject to Retention       29,362,476.71       85,630.51                      
5. Mobilization                       3,200,000.00            0.00                      
6. Total Work Completed   32,562,476.71                                                 
7. Deductions                           -23,000.00            0.00                      
8. a.Contract Retentions             -1,468,123.84       -4,281.53                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor           31,071,352.87       81,348.98                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow     1,468,120.00                                                  
12. Net Pymt. this Estimate                              81,348.98