Dept. of Trans.             PROGRESS              Serial No.    Contract No.
                                                  24-109-12-26  03-0H08U4
                    PROGRESS PAYMENT VOUCHER      %complete:    %time:
                                                    85%           71%

Location:                                         Federal Project:
03-SAC-50-L0.2/R6.1                               NONE

Progress payment No. 052                     Payment period ending: 04-20-24
FLATIRON WEST, INC.
1200 CONCORD AVENUE #465
CONCORD CA 94520

Escrow No. 00000
                                           Total Estimate      This Estimate
 1. Contract Itms Without Mobil.           328,666,465.00       4,107,862.50
 2. a. Extra Work                            2,575,006.40               0.00
    b. Adustment Comp.                       4,292,676.83          -1,170.00
 3. Materials on Hand                        3,203,460.10        -132,186.89
 4. Earned Subject to Retention            338,737,608.33       3,974,505.61
 5. Mobilization
 6. Total Work Completed    335,534,148.23
 7. Deductions                                -513,689.80          -3,000.00
 8. a. Contract Retentions
    b. Unsatisfactory Retentions
    c. Reduction after 95% Comp.
 9. Total pay to Contractor                338,223,918.53       3,971,505.61
10. Reduction Amt to Escrow
11. Payment to Escrow                 0.00
12. Net Pymt. this Estimate                                     3,971,505.61