Honolulu Authority for Rapid Transportation Pearl Harbor ...

Honolulu Authority for Rapid Transportation

Pearl Harbor Naval Base Station

HISTORIC EFFECTS ASSESSMENT

August 2017

Historic Effects Assessment

Honolulu Rail Transit Project ? Pearl Harbor Naval Base Station

Table of Contents

BACKGROUND ............................................................................................................................. 4 Property Description ..................................................................................................................... 4 Property Boundary .................................................................................................................... 4 Project Description ....................................................................................................................... 4 Project Design .......................................................................................................................... 5 Governing Regulations.................................................................................................................. 6 Previous Assessments .................................................................................................................. 7 Pending National Historic Landmark Applications........................................................................... 8 Objective ..................................................................................................................................... 8

EVALUATION OF POTENTIAL ADVERSE AFFECTS ................................................................... 9 Design Status............................................................................................................................... 9 Subsurface Investigation......................................................................................................... 10 Cantilevered Concourse Solutions ........................................................................................... 11 Summary of Cantilevered Concourse Solutions Evaluation ........................................................ 14 Supported Concourse Solutions (no-outage solution) ................................................................ 15 Adverse Effects .......................................................................................................................... 17 Summary Findings...................................................................................................................... 19

SUMMARY AND RECOMENDATIONS...................................................................................... 21 Summary ................................................................................................................................... 21 Recommendations ..................................................................................................................... 21

List of Figures

Figure A-1 ? North Elevation of PHNB Station at NHL .................................................................................... 5 Figure A-2 ? Historic Properties in Areas of Potential Effects ........................................................................ 6 Figure A-3 ? North Elevation of PHNB Station at NHL in RFP ........................................................................ 9 Figure A-4 ? Subsurface Investigation Data................................................................................................. 10 Figure A-5 ? Cantilevered design solution with extended hammerhead ................................................... 11 Figure A-6 ? Cantilevered design solution with modified hammerhead .................................................... 12 Figure A-7 ? Cantilevered design solution with supporting truss ............................................................... 12 Figure A-8 ? Cantilevered design solution with off-center mast support ................................................... 13 Figure A-9 ? Cantilevered design solution with center mast support......................................................... 13 Figure A-10 ? Photo of existing bus stop on makai side of Kamehameha Highway ................................. 15 Figure A-11 ? Reconfigured makai side support and existing utilities ....................................................... 16 Figure A-12 ? Preliminary configuration for makai side support columns................................................. 16 Figure A-13 ? View north along Kamehameha Highway ............................................................................. 17 Figure A-14 ? View of RFP design looking south ......................................................................................... 18 Figure A-15 ? View of optimized design ....................................................................................................... 18 Figure A-16 ? View of RFP design looking west ........................................................................................... 18 Figure A-17 ? View of optimized design ....................................................................................................... 18

Attachments

Attachment 1: National Register of Historic Places Inventory ? Nomination Form Attachment 2: HHCTCP ? Historic Effects Report Attachment 3: PHNB Cantilevered Bridge Options

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Historic Effects Assessment Honolulu Rail Transit Project ? Pearl Harbor Naval Base Station

BACKGROUND

The following is a brief summary of pertinent background information on the project. It is included to provide the basis and reference for the Historic Effects Assessment, but not intended to be comprehensive standalone information on the project itself. For that information, please refer to the original documents cited and/or the sources provided.

Property Description

The United States Naval Base, Pearl Harbor (Pearl Harbor) was designated as a National Historic Landmark (NHL) for its historic function as an active naval base with a mission to support the U.S. fleet. That function was performed to the date of the nomination and continues into the 21st Century. Because of the effectiveness of Pearl Harbors' mission, the naval base was attacked by aircraft of the Japanese navy on December 7, 1942. During that attack, the USS Arizona sunk with more than a thousand Americans on board, who are now entombed in the wreck. The wreck can be accessed as part of the USS Arizona Memorial, which is at the center of the Pearl Harbor NHL. The attack by the Japanese Navy caused the United States to enter World War II, contributing to the historical significance of the property. Property Boundary

On the basis that the fundamental quality that defines Pearl Harbor as a national historic landmark is based on its historic function, which continues to date, as well as the attack on December 7, 1941; then the boundary of the landmark includes those water and land areas that have historically been intimately and directly associated with that function and action. The NHL boundaries contain various built resources ranging from buildings directly related to the Navy's wartime work to more modest support buildings. All of the water areas of Pearl Harbor are included within the project boundary in addition to certain adjacent land. A detailed verbal description of the boundary of the NHL is included in the nomination form to the National Register of Historical Places (NRHP). The boundaries of the landmark include those water and land areas historically, intimately, and directly associated with the property's use as a historic naval base, with mission to support the U.S. Fleet, and the attack on December 7, 1941. See National Register of Historic Places Inventory Nomination Form for verbal description of boundary. (Attachment 1)

Project Description

Within proximity to the NHL, the Honolulu Rail Transit Project (Project) will be located within Kamehameha Highway. The design of Pearl Harbor Naval Base (PHNB) Station itself is driven by the characteristics of the existing site and efforts to provide safe and direct access to the station by all modes, particularly pedestrians. The only access to the station will be from properties on the mauka side of Kamehameha Highway and is facilitated via a generous station plaza that connects to adjacent sidewalks, facilitating safe pedestrian access from adjacent residential neighborhoods surrounding the station and from the Naval Base across Kamehameha Highway. All access to the station plaza and the station itself is fully ADA compliant and focused on enhancing the pedestrian experience.

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Historic Effects Assessment Honolulu Rail Transit Project ? Pearl Harbor Naval Base Station

Project Design Most of the building elements associated with the station are configured like a pavilion. This open setting, allowing for natural sunlight and ventilation to flow freely through the station, corresponds to and is respective of its park-like setting. It is also inspired by and respectful to the adjacent Makalapa Navy Housing Historic district and it's planning principals, which followed "Garden City" concepts that were prevalent at the time of its development. Most of these features of the station design were developed in coordination with and in response to comments and feedback received from the Consulting Parties and other affected stakeholders in response to earlier conceptual station designs. Particular design modifications that were implemented include: - A lighter and less massive entry structure compared to the one presented in the original preliminary

engineering design - A canopy design that recalls the angular forms of the Makalapa housing and simultaneously creates

a treelike, layered configuration of the canopies recalling the adjacent existing Monkeypod trees and the park-like setting of the existing conditions - A smaller footprint of the station pavilion, shifting the station itself mauka from the original location and allowing additional landscape features to be protected. Most importantly the design delivers on one of the key requests established during previous reviews by the Consulting Parties and other stakeholders of the project. Specifically, it implements a design that restricts all touch downs for pedestrian access to the mauka side of Kamehameha highway and does not take any of the Pearl Harbor NHL property. Most importantly, the makai edge of the guideway will generally be approximately 25 feet from the mauka edge of the NHL boundary, aiding to assure that the project will be a substantial distance away from the NHL and will not eliminate primary views of or from the elements that contribute to its eligibility and are identified as having potential for adverse effects under Section 106. The design and configuration of the station and guideway in this area will be in accordance to the section illustrated in Figure A-1 below.

Figure A-1 ? North Elevation of PHNB Station at NHL

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