Item No.8j_supp__
Meeting Date: August 10, 2021
2021-2025 Airfield Pavement and Supporting
Infrastructure Replacement Program North
Runway Protection Zone Culvert
(CIP #C800930) 
Michelle Carioto & Chris
Coulter  AVPMG
C801177
August 10, 2021

Action Requested
Request Commission authorization for the Executive Director to
advertise and award a major public works contract to replace the
North Runway Protection Zone Culvert (NRPZ Culvert), a year
2022 component of the 2021 to 2025 Airfield Pavement and
Supporting Infrastructure Replacement Program. This
construction authorization is for $3,800,000 for a total program
authorization to date of $55,195,000. The total 2021-2025
program cost is $153,500,000.

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Program Overview
The 2021-2025 Airfield Pavement and Supporting Infrastructure Replacement Program
replaces distressed airfield pavement (concrete and asphalt), joint sealant, related and
supporting infrastructure at the Airport to provide safe and efficient conditions for
aircraft operations and meet FAA requirements.
Program Notes:
Program Budget: $153,500,000
Authorized to Date: $55,159,000 (including today's authorization)
Maximizes FAA Grant Funding ($21,100,000 To-date)
Design authorization for the program occurred in Q4 2019
Program is in its first year (2021) of the five-year construction schedule
Construction authorization occurs for each major construction contract issued - typically one FAA
funded and one non-FAA funded contract per year

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Program Overview Map



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North RPZ Project Scope
Install temporary stream bypass, water treatment and fish
protection measures
Remove the failing roadway
Restore fish passage and the Miller Creek streambed to its
natural state
Install the engineered roadway decking spanning the creek to
allow safe conditions for first responders, maintenance, and
construction traffic

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Project Location
N





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North Runway Protection Zone Culvert Site



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Project Schedule
Commission construction authorization             2021 Quarter 3

Construction start                                    2022 Quarter 3

In-use date                                            2022 Quarter 4



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Budget
Culvert Project Budget (U00619)                                                       Total Project
Design                                                                                        $1,100,000
Construction                                                                                      $3,800,000
Total                                                                                                        $4,900,000
Airfield Pavement &                              This Request                     Total Program
Supporting Infrastructure
Replacement Program Budget
(C800930)
Design                                                          $0                          $13,495,000
Construction                                               $3,800,000                           140,005,000
Total                                                               $3,800,000                              $153,500,000

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Project Risks
RISK                DESCRIPTION                PROBLEM    IMPACT      MITIGATION PLAN
In Water Work          Significant amount of the work     Med           Med          Robust construction water
involves activities located below                                     management plan (including
the water table.                                                     stream diversion plan and pump
sizes) will be included in the
contract.
Discovery of             Should archaeological materials    Low            High           A discovery plan is in place and
Archaeological           (e.g., bones, shell, stone tools,                                    research of the area has been
Resources              beads, hearths, etc.) be observed                               performed and we do not expect
during Project activities, all work                                       a discovery, but we will be
in the immediate vicinity of the                                      prepared if there is one.
find will be halted.
Material Lead Time      Few suppliers and long lead        Med           High           Procure the contractor early
times for the culvert/bridge                                         enough so there is adequate
structure could potentially have a                                   time to procure the structure
one-year impact on the schedule                                  ahead of schedule in order to
due to the limited "fish window"                                   meet the fish window
for allowable construction                                          construction timeline.

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