Dept. of Trans.        SUPPLEMENTAL         Serial No.    Contract No.
                                            16-280-13-29  04-0120T4
                 PROGRESS PAYMENT VOUCHER   %complete:    %time:
                                              88%           82%

Location:                                   Federal Project:
04-SF-80-12.6/13.9                          NONE

Progress payment No. 052               Payment period ending: 09-30-16
CALIF ENG CONTRACTORS
INC/SILVERADO CONTRACTORS INC
JNT VENT
20 HAPPY VALLEY RD
PLEASANTON CA 94566

Escrow No. 00000
                                        Total Estimate   This Estimate
 1. Contract Itms Without Mobil.         70,078,676.58      246,500.00
 2. a. Extra Work                        45,785,850.64      404,901.81
    b. Adustment Comp.                   16,987,564.51            0.00
 3. Materials on Hand                       257,871.94      -74,246.59
 4. Earned Subject to Retention         133,109,963.67      577,155.22
 5. Mobilization                          8,600,000.00            0.00
 6. Total Work Completed    141,452,091.73
 7. Deductions
 8. a. Contract Retentions
    b. Unsatisfactory Retentions
    c. Reduction after 95% Comp.
 9. Total pay to Contractor             141,709,963.67      577,155.22
10. Reduction Amt to Escrow
11. Payment to Escrow                 0.00
12. Net Pymt. this Estimate                                 577,155.22