Dept. of Trans.           SUPPLEMENTAL            Serial No.    Contract No.
                                                  19-183-16-00  08-1K2904
                    PROGRESS PAYMENT VOUCHER      %complete:    %time:
                                                    80%          100%

Location:                                         Federal Project:
08-RIV-74-369.0/36.9                              NONE

Progress payment No. 006                     Payment period ending: 06-20-19
SEMA CONSTRUCTION INC
7353 S EAGLE ST
CENTENNIAL CO 80112

Escrow No. 00000
                                           Total Estimate      This Estimate
 1. Contract Itms Without Mobil.
 2. a. Extra Work                              658,485.98          71,651.22
    b. Adustment Comp.
 3. Materials on Hand
 4. Earned Subject to Retention                658,485.98          71,651.22
 5. Mobilization
 6. Total Work Completed        658,485.98
 7. Deductions                                  -2,000.00               0.00
 8. a. Contract Retentions
    b. Unsatisfactory Retentions
    c. Reduction after 95% Comp.
 9. Total pay to Contractor                    656,485.98          71,651.22
10. Reduction Amt to Escrow
11. Payment to Escrow                 0.00
12. Net Pymt. this Estimate                                        71,651.22