Dept. of Trans.       SUPPLEMENTAL   Serial No.  Contract No.                           
                                          02-042-07-50  12-0695U4                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  32%          29%                             
12-ORA-405-7.6/9.6                    Federal Project:                                  
                                     STP-5312(31)                                       
                             LN-5312(31)                                                
                                                                                        
Progress payment No. 15            Payment period ending: 01-20-02                      
M C M CONSTRUCTION INC                                                                  
P O BOX 620                                                                             
NORTH HIGHLANDS CA 95660                                                                
                                                                                        
                                                                                        
Escrow No.  01676                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.      11,429,190.25      154,654.75                      
2.a. Extra Work                         777,811.03       94,703.45                      
  b. Adjustment Comp.                    36,938.14       16,793.00                      
3. Materials on Hand                  1,762,173.59            0.00                      
4. Earned Subject to Retention       14,006,113.01      266,151.20                      
5. Mobilization                       4,996,991.45            0.00                      
6. Total Work Completed   17,240,930.87                                                 
7. Deductions                           -20,000.00            0.00                      
8. a.Contract Retentions               -959,652.15            0.00                      
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor           18,023,452.31      266,151.20                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow       959,650.00                                                  
12. Net Pymt. this Estimate                             266,151.20