CHA - CRAA Experience Portfolio

GENERAL QUALIFICATIONS Overview of Service Offerings and CRAA Experience Portfolio

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For more information contact: Michael DeVoy, PE Aviation Market Leader (317) 780-7232 mdevoy@chacompanies.com Paul Puckli Market Development Leader (703) 214-6877 ppuckli@chacompanies.com William Barley, PE Senior Project Manager (865) 245-9661 wbarley@chacompanies.com

Table of Contents Section 1: Firm Overview Section 2: John Glenn International Airport Experience Section 3: Rickenbacker International Airport Experience Section 4: Bolton Field Airport Experience

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Section 1 Firm Overview

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FIRM OVERVIEW CHA Consulting, Inc. is a highly diversified, full-service engineering and construction management firm working to responsibly improve the world we live in. With decades of experience, CHA brings together the talent, technology, and partnerships to meet our clients’ evolving needs. Located throughout the United States and Canada, we provide a wide range of planning and design services to public, private and institutional clients.

Our talented professionals strive to elate our clients in everything we do.

We act as your single point of contact from start to finish, utilizing technology advancements and adapting teams, schedules, budgets and services to each unique challenge. Our client focus is driven by trust and collaboration. Together with you, we design, study, manage, and build projects that enhance our world.

At CHA, engineering and client engagement go hand-in-hand. Providing both yields amazing value‌ and amazing results.

1.800.836.0817 chacompanies.com

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Every project has unique goals, obstacles and perspectives—but, with over 60 years of experience, we’ve learned a great deal.

OUR SERVICES Since 1952, CHA has been continuously learning how to manage projects effectively and cost efficiently, how to communicate with stakeholders, how to address issues as they arise, and how to create value for our clients.

Simply put, experience matters; it teaches us what is possible and provides solutions that are real-world and workable.

From aviation to water, CHA is your single point of contact from start to finish, adapting teams, schedules, budgets and# services to each unique challenge. Together with you, we design, study, manage and build projects that responsibly improve our world. Our services include: •• •• •• •• •• •• •• •• ••

Alternative Delivery Architectural Design Asset Management Aviation Design & Planning Civil Engineering Construction Engineering Construction Management Electrical Energy Solutions

•• •• •• •• •• •• •• •• ••

Environmental Fire Protection Geospatial Innovation Geotechnical Health & Safety Land Development Life Safety & Security Mechanical Program Management

•• Sports Master Planning & Architecture •• Structural •• Survey •• Sustainability •• Technology Solutions •• Transportation Engineering & Planning •• Water & Wastewater

CHA COMPANIES CHA’s values and vision are shared across our entire family of companies.

We actively align ourselves with specialized firms that enhance our ability to provide sustainable, cutting-edge technology and complementary services. Together we confidently offer complete solutions to complex challenges and create a safer, more livable and economically vital world. chacompanies.com CHA Tech Services provides professional construction management services with a commitment to owner satisfaction. CHA Tech Services frequently partners with CHA’s engineers to produce results that exceed our clients’ expectations by focusing talent and expertise into solutions for engineering, program and construction management and acting as the owner’s representative. chatechservices.com CHA Canada, based in Ontario, Canada, is a multi-discipline consulting engineering design firm dedicated to the thermal power and energy industry. CHA Canada’s focus is power generation, cogeneration and combined-cycle, renewable and sustainable energy, boilers and steam plants, chilled-water and hot-water production and utility distribution systems. chacanada.com Novara GeoSolutions is a front-runner in supplying the energy industry with software solutions and consulting services to manage the full data lifecycle of pipeline assets. Our geospatial technology can be applied to pipeline workflows such as DOT compliance, engineering design, asset management, right-of-way management and mobile workforce computing. novarageo.com PDT Architects is a full-service, community-based architectural, interior design and planning firm. PDT specializes in the design of sustainable, high performance buildings in the education, health care, multi-family housing, office/corporate and VA sectors. Founded in 1977, PDT Architects has built its core practice around the idea of creative discovery and continuous learning blended with the science and technology of the built environment. pdtarchs.com American Fire is a highly specialized provider of fire protection engineering services throughout the world. American Fire manages complex industrial, commercial and design build fire protection projects including sprinkler systems, fire pumps, ground storage tanks, underground piping and special hazards. American Fire’s engineering team is NICET certified and a member of the National Fire Protection Association. american-fire.com Daedalus Projects, Inc. provides superior Owner’s Project Management and Cost Estimating services. We combine exceptional personal service with technical expertise and have a strong track record of successfully delivering superior-quality professional services for clients across the country, in both the public and private sectors. Daedalus is a dedicated partner that will help you build your vision. daedalusprojects.com #

OFFICE LOCATIONS

Albany, NY

Concord, MA

Norwell, MA

Affiliates:

Atlanta, GA

Evansville, IN

Parsippany, NJ

Blacksburg, VA

Hartford, CT

Philadelphia, PA

CHA Tech Services LLC Albany, NY

Bluffton, SC

Houston, TX

Portland, ME

Boston, MA

Indianapolis, IN

Raleigh, NC

Buffalo, NY

Kansas City, MO

Richmond, VA

Burlington, VT

Keene, NH

Rochester, NY

Chantilly, VA

Knoxville, TN

San Ramon, CA

Charlotte, NC

Myrtle Beach, SC

Savannah, GA

Cleveland, OH

Nashville, TN

St. Catharines, ON

Colonie, NY

New York City, NY

Syracuse, NY

Columbus, OH

Newark, NJ

Washington, DC

CHA Canada St. Catharines, ON

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Novara GeoSolutions Norwell, MA American Fire Protection Birmingham, AL PDT Architects Portland, ME Daedalus Projects, Inc. Boston, MA

Section 2 John Glenn International Airport Experience

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INTERSTATE 270

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TAXIWAY E EXISTING RPZ

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INTERNATIONAL GATEWAY

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Client: John Glenn Columbus International Airport Columbus Regional Airport Authority GRAPHIC SCALE (FEET) 4600 International Gateway 500 1000 2000 Columbus, Ohio 43219 Contact: Raymond Fridley Project Manager (614) 239-3040 Cost: $39,000 Complete: 2018

Alternative Analysis - Relocate Runway 10L-28R to North LEGEND

POTENTIAL PROPERTY ACQUISITION RELOCATED RPZ AREA

NOTE:

RELOCATION OF BRIDGEWAY AVENUE, JOHNSTOWN ROAD, SELTZER ROAD, INTERSTATE 670, AND INTERSTATE 270 WITHIN THE RUNWAY PROTECTION ZONES WAS NOT CONSIDERED FOR THIS MOS APPLICATION. IF THIS CONCEPT IS SELECTED AS THE PREFERRED ALTERNATIVE, THEN THE FEASIBILITY OF THESE RELOCATIONS WILL BE ANALYZED FURTHER IN THE ALTERNATIVES ANALYSIS REQUIRED BY THE FAA INTERIM LAND USE GUIDANCE FOR RPZ'S.

John Glenn International Airport

JOHN GLENN COLUMBUS INTERNATIONAL AIRPORT

2 The Columbus Regional Airport Authority (CRAA) selected CHAExhibit from their list of Runway 10L-18R Relocation prequalified consultants to prepare documentation to define the scope of work and RPZ Shift to provide budgetary program cost estimates for services required to relocate Runway 10L-28R to the north a minimum of 50 feet. The separation distance between Runway 10L‐28R to parallel Taxiway ‘E’ at John Glenn Columbus International Airport (CMH) is 350 feet. The standard separation distance based on FAA design criteria is 400 feet. Therefore, the CRAA has an approved modification to FAA standards (MOS) for this condition. As part of the MOS documentation an alternative to relocate Runway 10L‐28R to the north a minimum of 50 feet was required.

The analysis consisted of planning and design engineering for land acquisition, demolition, pavements, drainage modifications, airfield lighting modifications, and navigational aid modifications required to relocate Runway 10L-28R 50 feet to the north.

The effort used documents provided by CRAA (airport layout plan, property maps, record drawings for Net Jets Corporate Hangars, record drawings for Runway 10L‐28R rehabilitation and record drawings for associated taxiways and connectors). The preliminary scope of work for this alternative included the following major components: ALP update, EA/EIS, land acquisition, design engineering, and construction.

The major construction items identified are:

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•• Runway 10L‐28R, and Taxiway ‘F’ relocations (pavements, lighting, signing, and marking) •• Exit and entrance taxiway relocations and adjustments (pavement, lighting, signing, and marking) •• Storm water management (detention, inlet and pipe modifications, including north ditch relocation/additional piping) •• Navaid relocations (localizers, glide slopes, approach lighting, RVR, and PAPI’s) •• RPZ land acquisition •• RPZ land use compliance – excluding road relocations The CRAA used the scope and estimate provided for this alternative to support the renewal of the Modification to Standards for runway to parallel taxiway separation distance.

Client: John Glenn Columbus International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: David Gotschall Senior Project Manager (614) 239-4012 Cost: $31.4M Complete: 2008

Crossover Taxiway

John Glenn International Airport CHA was responsible for design of the taxiway and bridge structures, utility relocations, cost estimating, safety and phasing coordination, and construction administration, inspection, and testing at Port (John Glenn) Columbus International Airport (CMH).

This project included the construction of a new connector taxiway (1,900 ft x 75 ft) between CMH’s two runways. The new taxiway crosses the airport’s new primary entrance road, (relocated International Gateway). The relocated International Gateway includes seven vehicular traffic lanes and two light rail transit tracks. The taxiway bridge structure spans 185.5 ft and is 217 ft wide. The bridge was designed to accommodate large, heavy aircraft. The taxiway eases aircraft congestion on the east side of the airfield and also provides the needed runway access for the proposed new Midfield Terminal project. Also included in this project were two roadway bridges. One bridge (188.5 ft span and 74 ft wide) accommodates the new airfield perimeter road and a new parking lot access ramp. The second roadway bridge (187 ft span and 29.5 ft wide) is used for the terminal circulation.

The project was phased over several years and was coordinated with the new International Gateway/Stelzer Road interchange and the new Midfield Terminal development.

Lessons Learned: •• Validate design criteria with airport planning efforts at the start of a major project •• During construction, confirmation was required of construction layout with design drawings particularly for major work items •• Aesthetics in engineering have an important role in highly visible public projects

ASPIRE Magazine, 2009 Authors were CHA’s Structural Project Manager and Design Engineer for this project.

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Client: John Glenn Columbus International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: David Gotschall Senior Project Manager (614) 239-4012 Cost: $750,000 Complete: 2006

Aircraft Maintenance Run-Up Barrier John Glenn International Airport

CHA, as a subconsultant to HMMH, was selected for preliminary design services for an Aircraft Maintenance Run-Up Barrier System at Port (John Glenn) Columbus International Airport. Project elements included: •• •• •• •• •• •• •• •• •• ••

Partial taxiway extension Bituminous pavement construction Concrete pavement construction Storm sewer/drainage construction and underdrain Existing utility adjustments and relocations as required Obstruction lighting system installation Erosion control measures installation New pavement markings Noise barrier fence installation Performance of other miscellaneous items as shown on the plans

CHA was responsible for preliminary design, design, bidding services, and construction administration. #

Client: John Glenn Columbus International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: David Gotschall Senior Project Manager (614) 239-4012 Cost: $180,000 Complete: 2004

Client: Port (John Glenn) Columbus International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: David Gotschall Senior Project Manager (614) 239-4012 Cost: $260,000 Complete: 2004

Pavement Management Plan John Glenn International Airport CHA was a subconsultant to Applied Pavement Technologies, Inc. (APTech) for developing the airport pavement management program (PMP) at Rickenbacker International Airport and expanding, modifying and updating the existing PMPs at Port (John Glenn) Columbus International Airport and Bolton Field.

Some of CHA’s professional services included: •• Provided pavement history updates for Port (John Glenn) Columbus International Airport and Bolton Field •• Researched and provided the pavement history for Rickenbacker International Airport •• Established reconstruction, rehabilitation, and maintenance standards •• Established methods to create cost estimates •• Established intervals for pavement maintenance •• Provided estimated unit cost breakdowns for the annual maintenance and major rehabilitation of existing pavements

Relocation of Runway 10R Glide Slop and RVR John Glenn International Airport

This project involved engineering design services for the relocation of the existing FAA glide slope/RVR facility at the Port (John Glenn) Columbus International Airport in Columbus, Ohio. Project elements included: •• Site evaluation to determine optimum location for the glide slope facility •• Foundation designs for the glide slope antenna tower, glide slope equipment shelter, and RVR •• Design of civil site preparations including site grading, primary power, control, grounding, and lightning protection systems •• Worked closely with FAA during design and construction phases CHA was responsible for the surveying, geotechnical investigation, preliminary and final design, plans and specifications, bidding assistance, and construction services.

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Client: John Glenn Columbus International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: David Gotschall Senior Project Manager (614) 239-4012

South Airfield Improvements

Cost: $23M

This project was phased over a four-year period to meet funding and operational constraints. The Airport Authority funded this project through a Letter of Intent (LOI) agreement with the Federal Aviation Administration (FAA).

Complete: 2001 Preliminary Engineering Study 2002/2003 Design 2004 Phase 1 Construction 2005 Phase 2 Construction

John Glenn International Airport

This project included the rehabilitation of Runway 10R-28L, the primary runway at Port (John Glenn) Columbus International Airport, and its north parallel taxiway, Taxiway ‘C’. In addition, the project included Runway Safety Area Improvements; the extension of the south parallel taxiway, Taxiway ‘B’, from its current termination to the Runway 10R threshold; and a new hold apron at the 10R end of Taxiway ‘C’. Also included were edge lighting upgrades and the relocation of a sanitary sewer line.

CHA was also responsible for the preliminary and final design engineering for this project, which included identifying and resolving design issues, determining construction requirements, developing estimates of probable construction cost, and developing preliminary construction phasing plans that meet the operational needs of the Authority and the airport users. Project elements included: •• Pavement strength analysis (including geotechnical investigations, nondestructive testing and visual examinations) •• Topographic surveys •• Environmental review •• Drainage and deicing options •• Pavement geometrics •• Safety area review and recommendations •• Cost/benefit analysis of CAT II ILS and in-pavement lighting •• Construction safety and phasing plans for multiple years

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Client: John Glenn Columbus International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: David Gotschall Senior Project Manager (614) 239-4012 Cost: $27M Complete: 1999 – Phase 1 2000 – Phase 2 2001 – Phase 3 2003 – Phase 4

Client: John Glenn Columbus International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: David Gotschall Senior Project Manager (614) 239-4012 Cost: $1.8M Complete: 1998

Terminal Apron Rehabilitation John Glenn International Airport

This project involved the rehabilitation of the airport’s terminal apron, which consisted of approximately 46 acres of concrete and concrete overlayed with asphalt. In addition, the project included the construction of the airport’s deicing containment and recovery system. The initial phase of the design services included a pavement study to evaluate the functional and structural pavement condition of the existing apron pavement and to develop and prioritize rehabilitation strategies. As a part of the preliminary engineering study, alternatives for establishing deicing areas and capturing the deicing fluids were developed and evaluated based on costs and impacts to operations.

The second phase of the project included the design of the rehabilitation and reconstruction measures, drainage improvements, and a deicing fluid containment/ recovery system. The rehabilitation and reconstruction measures included full concrete sections, full depth asphalt sections, and asphalt over concrete. The deicing fluid containment/recovery system incorporated trench drains, drainage inlets, sewer pipes and valve vaults with remote controlled actuator motors. The airport is now able to deice aircraft at the aircraft gates and the Remote Overnight (RON) Apron. The construction plans were developed to allow for the pavement rehabilitation and deicing containment system to be constructed in four phases over five years in order to minimize disruption to the airline traffic using the apron.

New Electrical Vault John Glenn International Airport The new airfield electrical vault consists of a 50 ft by 100 ft masonry structure. The vault is divided into separate rooms for the north airfield regulators and south airfield regulators. The vault also includes an engine/generator room and computer room for computer monitoring of the airfield lighting system.

This project included a preliminary study phase to determine the best available site for the new vault. Siting criteria included availability of a reliable power source, availability of water, sanitary and telephone utilities and central location to airfield lighting circuits.

The vault was designed to reuse as much of the existing airfield vault equipment as possible. The new vault was designed to provide power distribution at both 208V and 480V to the lighting regulators. Two 2400V regulators were replaced with low voltage regulators. The airfield lighting multiplex control system was modified to allow it to be reinstalled in the new vault. The new vault included the reuse of the existing 275 KW engine/generator. The generator was moved from an outside location at the existing vault to inside the new vault. The design also included the incorporation of the existing 600A automatic transfer switch. #

Section 3 Rickenbacker International Airport Experience

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Client: Rickenbacker International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: Eric Hensley Project Manager, Planning and Engineering (614) 409-3631 Cost: $52M Complete: 1988-Present

Airside Improvements Program Rickenbacker International Airport CHA worked with the Rickenbacker Port Authority (now Columbus Regional Airport Authority) to accomplish the projects identified in the Airport’s Pavement Management Plan and Capital Improvements Program.

These projects included: •• Navaids Development Program (1988-1994) •• OANG – Rickenbacker AFB – Sound Attenuation Building, Hush House (1988) •• Runway Lighting (1990) •• Taxiway Shoulder Improvements (1991) •• Multiplex System (1991) •• Signage and Marking Plan (1992) •• Airfield Guidance Signs (1993) •• Airport Master Plan and Air National Guard Base Reuse Plan (1993) •• Pavement Management Program (1995) •• Taxiway ‘G’ South Rehabilitation (1996) •• Runway 5R-23L Rehabilitation (1997-1999) •• Runway 23L Localizer Replacement (1998) •• Runway 23L MALSR/PAPI Installation (1999) •• Taxiway ‘A’ Rehabilitation – West (1999) •• Taxiway ‘A’ Reconstruction and Realignment – East (2000) •• Taxiway ‘B’ North and ‘B’ South Rehabilitation (2000) •• Taxiway ‘E’ North Construction and Taxiway ‘E’ South Rehabilitation (2000) •• Taxiway ‘G’ North Reconstruction (2000) •• Runway 5L-23R Rehabilitation/Reconstruction (2000-2001) •• Taxiway ‘C’ South Rehabilitation (2001) •• International Passenger Terminal Apron Construction (2002) •• Cargo Ramp #1 Rehabilitation (2002) •• Taxiway ‘D’ Rehabilitation (2002-2003) •• Taxiway ‘C’ North Reconstruction (2003) •• Runway 5L ILS/MALSR (2004) •• Cargo Ramp #3 Reconstruction (2002-2012) •• MAP Application (2005 & 2008)

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Client: Rickenbacker International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: Eric Hensley Project Manager, Planning and Engineering (614) 409-3631 Cost: $22M Complete: 2012

Cargo Ramp #3 Reconstruction Rickenbacker International Airport

The existing Ramp #3 at Rickenbacker International Airport consisted of mostly deteriorated pavement that was not conducive to attracting new tenants. As part of a multi-year program, CHA developed a phased design approach to maximize available funding while creating valuable real estate for future tenants. Design started on the first phase in 1998 and continued with Phase 4 which was constructed in 2012. CHA was responsible for the design, preparation of construction documents, bid procurement, bid evaluation, and construction administration.

Construction elements for Phases 1-4 included: •• •• •• •• •• •• •• •• •• •• ••

Removal of existing pavement in its entirety Excavation and regrading of the existing ground profile Lime treatment of the subgrade Removal of existing drainage structures and miscellaneous structures Installation of new drainage structures and underdrains Installation of new hydrodynamic separator to meet OhioEPA water quality requirements Installation of glycol collection system to allow deicing along Ramp #3 Installation of new aircraft fuel hydrant loop system # Removal and relocation of various utilities including power, communication, water, storm, sanitary, abandoned water, fuel and communication Reconstruction of the pavement, including 16” of P-501 PCC pavement on 6” of stabilized subbase (Approximately 300,000 sy) Installation of apron and taxiway edge lighting

Client: Rickenbacker International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219

Airport Planning Services for the Advanced Global Logistics Center

Contact: Eric Hensley Project Manager, Planning and Engineering (614) 409-3631

CHA was selected by the Columbus Regional Airport Authority to determine the compatibility of the proposed Advanced Global Logistics Center development with the airspace and navigational aids at Rickenbacker International Airport (LCK). The Advanced Global Logistic Center is a multimodal freight development project and is a key element in the overall development plan for LCK. The planning work performed by CHA involved three major tasks:

Cost: $46,178 Complete: 2007

Rickenbacker International Airport

1. Determine the appropriate building set-back distances, material compatibility, and position to assure the performance of existing navigational aids is maintained.

2. Determine the impact of the proposed development to FAR Part 77 and other safety and clearance imaginary surfaces contained in AC 150/5300-13, TERPS, and FAA Orders regulating navigational aid (navaids) critical areas.

3. Recommend the appropriate airport property setback line for aeronautical uses on the southeast side of Runway 5R considering airport demands for aeronautical activity and standard airport planning practices.

Planning activities performed and managed by CHA included an analysis of critical areas for the 5R glide slope, 5R and 23L localizers and the TACAN. Localizer performance was also measured using FAA approved computer modeling software through the Avionics Engineering Center at Ohio University. CHA created a 3D CAD file of all of the imaginary surfaces associated with the runways, including FAR Part 77, AC 150/5300-13 One Engine Inoperable Surface, TERPS Final Approach and Instrument Departure Surfaces, and TACAN metallic Structure Clearance Surfaces.

This analysis merged all of the modeled surfaces into a “Critical Surfaces� drawing for use by the airport and the developer of the property. This Critical surfaces drawing provided the critical elevations anywhere on the property that limit the proposed building heights or construction activities. Land uses and recommendations for the airport property limits on the south east side of Runway 5R were made after a review of the LCK Master Plan forecasting and airport geometric planning for Group V Runways and associated Taxiways and Aprons. Group VI aircraft operations were also considered in the land planning efforts.

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Client: Rickenbacker International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: Mark Kelby Airport Planner (614) 239-5014 Cost: $25,000 Complete: 2005/2007

Client: Rickenbacker International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: Eric Hensley Project Manager, Planning and Engineering (614) 409-3631 Cost: $1.5M Complete: 2004

Preparation of Land Releases Rickenbacker International Airport

CHA was responsible for preparation of requests for release from land covenants for various parcels of land at the Rickenbacker International Airport. These requests were in accordance with FAA Policy and Procedures Memorandum (PPM) 5190.6 Appendix 2. Project elements included: •• Reviewed agreements with the United States for parcels of land involved in the releases •• Identified type of releases requested, reason for the requests, facts to justify the requests, how these releases benefited the airport, and disposition of proceeds •• Identify how parcels were acquired and a drawing depicting the property (with legal descriptions) •• Identify present condition and use of property or facilities included in the requests and use or disposition that will be made of the property or facilities •• Computation of height restriction data that will be included in the release instruments •• Identify known and immediately foreseeable environmental consequences of the release actions and coordination with appropriate with federal, state or local agencies for applicable areas of environmental consideration

Runway 5L Category I ILS/MALSR and 405 Obstruction Survey Rickenbacker International Airport

CHA provided engineering design services to Thales ATM for the installation of Category I Instrument Landing System with a MALSR approach light system on Runway 5L at Rickenbacker International Airport. CHA’s responsibilities included: •• Site evaluation to determine the optimum locations for the MALSR and the ILS equipment, including the Glide Slope, Localizer and DME antennas, and their respective shelters •• Runway 5L Approach Survey meeting FAA No. 405 survey requirements for the development of the new Runway 5L Precision Instrument Approach Procedure •• Foundation designs for the MALSR and ILS equipment, including the Glide # Slope, Localizer, DME antennas, and equipment shelters •• Design of civil site preparations, including site grading, cable routing, grounding and lightning protection systems •• Special design considerations for the in-pavement approach lights in the 1,000 ft displaced threshold for the approach to Runway 5L •• Safety and phasing coordination with the airport to install the ILS and MALSR equipment •• Coordination with the regional FAA Flight Procedures Office for the design of the new precision instrument approach procedure CHA was also responsible for coordinating civil design with local, state, and federal agencies including the FAA, as well as the Airport Owner. All design efforts were based on the FAA owning and maintaining the equipment at the conclusion of the project.

Client: Rickenbacker International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: Eric Hensley Project Manager, Planning and Engineering (614) 409-3631 Cost: $1.6M Complete: 2004

Client: Rickenbacker International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: Eric Hensley Project Manager, Planning and Engineering (614) 409-3631 Cost: $500,000 Complete: 2003

Taxiway C North Reconstruction Rickenbacker International Airport This project involved the reconstruction, including geometric improvements, of Taxiway ‘C’ North in accordance with the Airport’s Pavement Management Plan.

The taxiway geometrics were upgraded to ARC Group V standards. CHA provided construction phase services for this project.

The reconstruction of Taxiway ‘C’ North included: •• Removing existing pavement in its entirety •• Grading and lime stabilizing the subgrade •• Installing new underdrains •• Constructing the pavement section consisting of 16” of FAA P-501 Portland cement concrete on 6” of stabilized base •• Reconstructing paved shoulders, where required, with ODOT bituminous material

Taxiway D Rehabilitation Rickenbacker International Airport This project involved rehabilitating the existing Taxiway ‘D’ in accordance with the Airport’s Pavement Management Plan. CHA provided construction phase services for this project.

The rehabilitation of Taxiway ‘D’ included: •• Milling and removing 3” of existing asphalt pavement from the 75 ft wide taxiway •• Repairing and sealing cracks •• Overlaying with 3” of FAA P-401 bituminous pavement •• Sealing the 35 ft shoulder with FAA P-626 asphalt slurry seal

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2004 EXCELLENCE IN CONCRETE CONSTRUCTION -----Ohio Concrete Construction Association

Client: Rickenbacker International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: Eric Hensley Project Manager, Planning and Engineering (614) 409-3631 Cost: $2.3M Complete: 2002

International Passenger Terminal Apron Rickenbacker International Airport This project involved the airside design and bidding elements for the construction of the International Passenger Terminal Facility at the Rickenbacker International Airport, which included the addition of a 19,000 sy concrete aircraft parking apron.

Construction elements included: •• •• •• •• •• •• •• •• ••

Pavement and utility removals Excavation and embankment Lime treatment of the subgrade Installation of underdrains and storm sewer Paving, including 16”/10” of P-501 PCC pavement on 6” of stabilized subbase and bituminous access/tug roads Installation of apron lighting Installation of water line and flush mounted fire hydrants Installation of temporary and permanent security fencing Demolition and removal of existing buildings, floor slabs, and foundations

In addition to the new apron area, a portion of the adjoining apron (Cargo Ramp No. 1) was rehabilitated by milling and removing 3 inches of existing bituminous pavement and overlaying the milled areas with 3 inches of FAA P-401 bituminous pavement.

CHA was responsible for the design, preparation of construction documents, bid procurement and evaluation, and construction administration.

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2001 QUALITY PAVEMENT AWARD -----Flexible Pavements of Ohio

2000 EXCELLENCE IN CONCRETE PAVEMENT AWARD -----American Concrete Pavement Association, Ohio-Kentucky Chapter

Client: Rickenbacker International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: Eric Hensley Project Manager, Planning and Engineering (614) 409-3631 Cost: $3.7M Complete: 2001

Runway 5L-23R Rehabilitation Rickenbacker International Airport

This project involved the rehabilitation/reconstruction of Runway 5L-23R in accordance with the preliminary engineer’s report for the project and the Airport’s Pavement Management Plan. The project was phased over a 2-year period to accommodate anticipated funding levels and operational constraints.

The project included: •• Full-depth pavement removal of the first 900 ft of Runway 23R, reconstruction of the pavement with 16” of Portland Cement Concrete on 6 inches of stabilized base, and installation of new high-intensity runway edge lights •• Rehabilitation of the remaining portion of Runway 5L-23R, including milling and removing 3” of existing asphalt pavement, repair and sealing of cracks, and overlaying with P-401 bituminous pavement •• Installation of new PAPIs, an anemometer, and upgrading the existing AWOS •• Excavation and grading of the area adjacent to the Runway 5L touchdown area for a future CAT I ILS installation

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Client: Rickenbacker International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: Eric Hensley Project Manager, Planning and Engineering (614) 409-3631 Cost: $1.35M Complete: 2000

Taxiway E Rehabilitation/Construction Rickenbacker International Airport This project involved rehabilitating existing Taxiway ‘E’ South and constructing a new connector Taxiway ‘E’ North.

The rehabilitation of Taxiway ‘E’ South included: •• Milling and removing 3” of existing asphalt pavement from the 75’ wide taxiway •• Repairing and sealing cracks •• Overlaying with 3” of FAA P-401 bituminous pavement •• Sealing the 35’ shoulder with FAA P-626 asphalt slurry seal The construction of Taxiway ‘E’ North included: •• Excavation and embankment to subgrade •• Installation of underdrains and storm sewers •• Constructing the pavement section consisting of 16” of FAA P-501 Portland cement concrete on 6” of stabilized base •• Installing 35’ paved shoulders •• Installing medium intensity edge lights and guidance signs •• Airfield electric vault modification

Client: Rickenbacker International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: Eric Hensley Project Manager, Planning and Engineering (614) 409-3631 Cost: $400,000 Complete: 2000

Taxiway B Rehabilitation Rickenbacker International Airport The rehabilitation of Taxiway ‘B’ included: •• Milling and removing 3 inches of existing asphalt from the 75’ and 100’ wide connector taxiways (Taxiway ‘B’ South and Taxiway ‘B’ North) •• Milling and removing 1-1/2 inches of # existing asphalt from the proposed 35’ wide shoulder area - formerly used as a holding bay for military aircraft •• Repairing and sealing cracks •• Overlaying the taxiway with 3 inches of FAA P-401 bituminous pavement •• Overlaying the shoulder in the holding bay area with 1-1/2 inches of P-401 bituminous pavement •• Installing new medium intensity edge lights and guidance signs as required to abandon existing holding bay •• Sealing the existing 35’ shoulder and abandoned holding bay with FAA P-626 asphalt slurry seal.

Client: Rickenbacker International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: Eric Hensley Project Manager, Planning and Engineering (614) 409-3631 Cost: $4.7M Complete: 2000

Client: Rickenbacker International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: Eric Hensley Project Manager, Planning and Engineering (614) 409-3631

Taxiway A Reconstruction Rickenbacker International Airport This project involved the reconstruction of a portion of Taxiway ‘A’, the lone parallel taxiway to Rickenbacker’s parallel runways, and Taxiway ‘G’ North in accordance with the Airport’s Pavement Management Plan.

The reconstruction of Taxiway ‘A’ and Taxiway ‘G’ North included: •• Removing existing pavement in its entirety •• Crushing concrete pavement for use as stone base and stabilized base aggregate •• Installing underdrains and clean-outs •• Installing/modifying storm sewer systems •• Reconstruction of the pavement with 16” of P-501 Portland cement concrete pavement over 6” of stabilized base •• Reconstructing paved shoulders, where required, with ODOT bituminous material •• Installing medium intensity edge lights and guidance signs

New Localizer

Rickenbacker International Airport CHA provided engineering services required to replace an existing GRN-29 Localizer System with a new Wilcox Mark 10 System at the Rickenbacker International Airport in Columbus, Ohio. This work included site evaluation, development of safety and phasing plans, and consultation with the FAA. Safety and phasing plans were developed in such a way that the existing localizer and Category I Approach could be utilized until the new system was in service.

Cost: $120,000 Complete: 1998

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Client: Rickenbacker International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219

Medium Intensity Approach Lighting System with Sequenced Flashers (MALSR) and PAPI Installation

Contact: Eric Hensley Project Manager, Planning and Engineering (614) 409-3631

CHA provided engineering design services for a new medium intensity approach lighting system with runway alignment indicator lights (MALSR) on Runway 23L at Rickenbacker International Airport in Columbus, Ohio. The project also included new 4-box PAPIs on Runway 5R and Runway 23L.

Cost: $350,000 Complete: 1999

Rickenbacker International Airport

CHA’s responsibilities included: •• Obstruction survey and evaluation of Runway 23L •• Site evaluation and design for the new MALSR including light bar locations (facility includes in-pavement lights at the threshold, Stations 2 and 6, and new PAPIs on Runway 5R and Runway 23L) •• Foundation designs for the MALSR equipment and the new PAPI •• Design of civil site preparations including site clearing, site grading, cable routing, grounding and lightning protection systems CHA was also responsible for coordinating civil design with local, state, and federal agencies, including the FAA, as well as the Airport Owner. All design efforts were based on the FAA taking over possession and maintenance of the equipment.

Client: Rickenbacker International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: Eric Hensley Project Manager, Planning and Engineering (614) 409-3631 Cost: $3M Complete: 1997 – Phase 1 1998 – Phase 2 1999 – Phase 3

Runway 5R-12L Rehabilitation Rickenbacker International Airport This project involved rehabilitating the primary runway in accordance with the airport’s Pavement Management Plan.

The rehabilitation of Runway 5R-23L included: •• Milling and removing 3” of existing # asphalt pavement in the inner 150 ft of the 200 ft wide runway •• Repairing and sealing cracks •• Removal and reinstallation of inpavement lights and pavement condition sensors •• Overlaying with 3” of FAA P-401 bituminous pavement •• Sealing outer 25 ft of runway pavement with a coal tar sealer/rejuvenator This project was phased over three years to accommodate available funding amounts and operational constraints.

Client: Rickenbacker International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: Eric Hensley Project Manager, Planning and Engineering (614) 409-3631 Cost: $4M Complete: 1994

NAVAIDS Development Program Rickenbacker International Airport

CHA was responsible for the navaids development program at Rickenbacker International Airport that included project budgeting and cost estimating, survey, design plans and specifications, equipment procurement, construction bidding, inspection, and construction management for the total program. The navaids development included: •• Upgrade of an existing military GRN-29 ILS to civilian Category II status with new ALSF-2/SSALR, RVRs, control cable network, touchdown zone lighting, Runway 05R, and airfield vault improvements •• Upgrade of an existing military GRN-27 ILS to civilian Category I status including the installation of an outer marker locator, and MALSR approach lighting (Runway 23L) •• Installation of in-pavement touchdown zone and centerline lighting •• Part 77 obstruction survey and analysis, consultation with FAA, Air Force, and equipment manufacturers •• Approach procedure analysis was used to avoid noise sensitive areas Coordination during construction provided safe operations could be maintained throughout the program — particularly during the touchdown zone and approach lighting phase.

Client: Rickenbacker International Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: Eric Hensley Project Manager, Planning and Engineering (614) 409-3631 Cost: $200,000 Complete: 1998

Pavement Management Program Rickenbacker International Airport

A comprehensive pavement management study was conducted at the Rickenbacker International Airport in an effort to evaluate existing pavements at various locations on the airfield. The findings of the report served as a guideline for implementing a Pavement Management Program over the next fifteen years.

The primary objective of the study was to evaluate the functional and structural pavement condition of the existing airfield facilities, and to develop and prioritize rehabilitation strategies. The report presented the findings of the investigative efforts and offered rehabilitation/maintenance recommendations based on pavement design and cost analysis for each pavement facility.

The first phase of the study consisted of non-destructive testing (NDT) and a pavement condition survey. Pavement coring and materials analyses were performed to confirm or deny the presence of durability cracking distresses in the concrete pavements.

Based upon the results of these pavement studies, the rehabilitation/maintenance priorities of the airfield pavements were analyzed in terms of their functional conditions, structural conditions, and remaining lives. Short-term versus long-term rehabilitation alternatives were evaluated to determine the most cost-effective approach for rehabilitating the pavement of each facility. A 15-year plan was prepared for scheduling pavement rehabilitation or reconstruction of the various airfield facilities at the Rickenbacker International Airport. #

Client: Ohio Air National Guard Rickenbacker Air Force Base Columbus, Ohio Cost: $550,000 Complete: 1988

Sound Attenuation Building (Hush House) Foundation and Site Plans Rickenbacker Air Force Base

This project included the development of foundation and site work plans for Hush House, including earthwork, drainage, pavements, water supply, sanitary waste system, wastewater system, electrical power supply, final grading, and seeding.

CHA’s involvement included preliminary site selection process, survey, testing coordination, final design, preparation of plans and specifications, and inspection, including coordination with construction testing. Project coordination with Air National Guard throughout this project was of primary importance for successful completion of the design phase.

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Section 4 Bolton Field Airport Experience

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Client: Bolton Field Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: David Gotschall Senior Project Manager (614) 239-4012 Cost: $1.1M Complete: 2000

Runway 4-22 Rehabilitation Bolton Field Airport This project involved the rehabilitation of the airport’s 5,200 ft by 100 ft runway, the installation of 20 airfield guidance signs, and the relocation of the localizer antenna and shelter.

The rehabilitation consisted of pulverizing, shaping, and compacting the existing 4” of asphalt in place and the construction of a new 4-inch P-401 asphalt surface over the recycled subbase. The rehabilitation was coordinated with the 300 ft runway extension.

The project required the runway rehabilitation work to be constructed during a fasttrack time period of 10 consecutive calendar days. The parallel taxiway was utilized as a temporary runway for Group B-II (or smaller) aircraft.

CHA was responsible for the surveying, geotechnical investigation, preliminary and final design, plans and specifications, bidding assistance and construction services.

Client: Bolton Field Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219 Contact: David Gotschall Senior Project Manager (614) 239-4012 Cost: $20,000 Complete: 2000

Runway 4 Localizer Bolton Field Airport

This project involved engineering design services for the relocation of the existing FAA localizer facility at Bolton Field Airport in Columbus, Ohio. Project elements included: •• Site evaluation to determine optimum location for the localizer facility •• Foundation designs for the localizer antenna and equipment shelter •• Design of civil site preparations including site grading, primary power, control, grounding, and lightning protection systems •• Worked closely with FAA during design and construction phases CHA was responsible for the surveying, geotechnical investigation, preliminary and final design, plans and specifications, bidding assistance, and construction services.

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Client: Bolton Field Airport Columbus Regional Airport Authority 4600 International Gateway Columbus, Ohio 43219

T-hangar Taxiways and Apron D Rehabilitation

Contact: David Gotschall Senior Project Manager (614) 239-4012

Project elements of the T-Hangar Taxiways Rehabilitation included:

Cost: $600,000 Complete: 2007

Bolton Field Airport

•• Removal of the existing 2” of asphalt •• Adjustment of the existing catch basin structures located between the T-hangar doors (inlets will be raised to better accommodate snow plow operations) •• Construction of additional subbase material as needed for adjusting top of pavement around the catch basin structures •• Construction of a new 4” P-401 asphalt pavement section in AIP funded areas •• Construction of a new 2” P-401 asphalt pavement section in non-AIP funded areas •• Painting taxiway centerline stripes # Project elements of Apron D Rehabilitation included: •• Removal of 2“ of the existing 4“ of asphalt pavement •• Construction of a new 2” P-401 asphalt pavement over the remaining asphalt pavement •• Painting taxiway centerline stripes CHA was responsible for the preliminary and final design, plans and specifications, and bidding assistance.