Item No.          8b_supp
Date of Meeting        July 27, 2021
Departures Drive Drainage
Design Authorization

Project Scope
Scope Items:
Remove and replace existing catch
basin
Install new external storm drainage
piping connecting to arrivals drive
drainage system
Replace existing expansion joints
Repave and reseal departures drive

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Existing Conditions


Leak Mitigation Gutter                                   Ponding Water

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Project Budget and Schedule
Budget:                           Key Schedule Milestones:
Original Budget:         $600,000      Design Complete:        Q3 2022
Revised Budget:      $1,880,000*     Construction Start:       Q1 2023
In-Use Date:              Q2 2023
*Project alternatives were analyzed
during status I, however the estimates
from those alternatives were
inadvertently mixed up. The effect was
the correct alternative but the wrong
budget was approved. This revision
reflects the budget for the approved
alternative.
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Cone of Certainty

We are here





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Project Risks
RISK         DESCRIPTION    PROBLEM   IMPACT      MITIGATION PLAN
Arrivals drive        Existing power and             M              H         Pothole during design to
connection point   communication                                      determine feasibility; scope
may not be        infrastructure may                                 change would require
feasible             prohibit gravity line                                      additional budget
connection
Existing system     Verify added storm            M             H        Determine storm water flows
capacity is           drain connection will                                     during design
limited             not put the receiving
system past capacity

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