Table 1: summary of transit signal priority deployment results



Yüklə 359,2 Kb.
səhifə32/38
tarix03.01.2022
ölçüsü359,2 Kb.
#46822
1   ...   28   29   30   31   32   33   34   35   ...   38
Suspension of time - when the failure and the correction may require a short time to implement. Time suspension shall begin when the failure is first noticed, and it shall extend only as long as required to correct. Once corrected, the time of the test shall resume with the number of days completed at the time of the failure.

  • Restart of the time - when the failure may be more serious and require more time to correct. Once corrected, the time of the test shall start at zero for the 7-day test period and for the 90-Day maintenance period.

    When restarting, the adjustments to make to the acceptance testing time periods, failures in the operation of the system will be grouped into two categories.

    1. Type 1 failures - those that involve conditions that are beyond the control of the Vendor, failures of a minor nature that are easily and quickly corrected, or failures that are expected of a new installation.

    2. Type 2 failures - those that involve conditions that are within the control of the Vendor, failures that are related to the system design, or failures that may be of a minor nature but have not been easily or quickly corrected.

    Type 1 failures shall result in the test period being suspended for the time necessary to make the corrections, and the testing shall begin again at the point in time of the failure; Type 2 failures shall result in the test period being restarted at time zero for the 7-day test period after the corrections are made, and at time zero days for the 90-day maintenance period. The costs for repairing, replacing, or correcting the malfunctioning equipment shall be the responsibility of Vendor. The definition of the types of failures will differ with the two test periods.
    The definitions of failures for the 7-day test period are as follows:


      1. Type 1 failures - electrical power outages, telephone line outages, adjustments to antenna alignment, and equipment malfunctions. If a second equipment failure occurs in the same device, the Vendor shall prove that the failures were different in order to be classified as a Type 1 failure.

    1. Type 2 failures - if a second equipment failure is determined to be the same as the first; a third failure of any description occurs in the same device, then after the repair or replacement is made and the system is made operational; design deficiencies; interferences due to ambient conditions; software problems; any other failures that can be classified as Type 1 failures; and the system failing to meet ninety-nine percent (99%) accuracy criteria.

    For the ninety-day (90) maintenance period, the definitions of failures are as follows:

      1. Type 1 failures - Telephone line outages attributed to third party communication failures; electrical power outages; adjustments of sensing equipment shall be a Type 1 failure until the number of adjustments equal three (3) for the same antenna.

      2. Type 2 failures - Electrical component failure, multiple adjustments to the same sensing equipment in excess of three (3); any disruption to service that can not be classified as a Type 1 failure; and the system failing to meet the ninety-nine percent (99%) accuracy criteria. The Failure Review Board (FRB) shall include four members selected by VDOT, and a member selected by the Vendor. The FRB shall determine what constitutes a failure and what the satisfactory corrective actions shall be to prevent recurrence. Failures shall be established in conformance with guidelines specified in paragraph 3.7.H.6





      1. Yüklə 359,2 Kb.

        Dostları ilə paylaş:
  • 1   ...   28   29   30   31   32   33   34   35   ...   38




    Verilənlər bazası müəlliflik hüququ ilə müdafiə olunur ©muhaz.org 2024
    rəhbərliyinə müraciət

    gir | qeydiyyatdan keç
        Ana səhifə


    yükləyin