Dept. of Trans.       PROGRESS   Serial No.  Contract No.                               
                                          11-144-09-35  06-3568U4                       
                PROGRESS PAYMENT VOUCHER  %complete:   %time:                           
Location:                                  62%          47%                             
06-KIN-198-R21.5/R28.3                    Federal Project:                              
06-TUL-198-0.0/R3.4                                     HPLU-6206(15)                   
                                                                                        
                                                                                        
Progress payment No. 21            Payment period ending: 05-20-11                      
FLATIRON WEST INC                                                                       
2100 GOODYEAR ROAD                                                                      
BENICIA CA 94510                                                                        
                                                                                        
                                                                                        
Escrow No.  00000                                                                       
                                    Total Estimate   This Estimate                      
1. Contract Itms Without Mobil.      23,512,442.34      358,285.22                      
2.a. Extra Work                         586,048.15        7,499.21                      
  b. Adjustment Comp.                   401,230.82            0.00                      
3. Materials on Hand                    760,915.38            0.00                      
4. Earned Subject to Retention       25,260,636.69      365,784.43                      
5. Mobilization                       4,510,000.00            0.00                      
6. Total Work Completed   29,009,721.31                                                 
7. Deductions                           -78,269.00       76,148.00                      
8. a.Contract Retentions                                                                
   b. Unsatisfactory Prog.                                                              
   c. Reduction after 95% Comp.                                                         
9. Total pay to Contractor           29,692,367.69      441,932.43                      
10. Reduction Amt to Escrow                                                             
11. Payment to Escrow             0.00                                                  
12. Net Pymt. this Estimate                             441,932.43