J2 SOW_ DWH_ATCT.pdf

FEDERAL AVIATION ADMINISTRATION

SCOPE OF WORK

DESIGN-BUILD PROJECT

NEW AIRPORT TRAFFIC CONTROL TOWER (ATCT) FACILITY

DAVID WAYNE HOOKS MEMORIAL AIRPORT (DWH)

TOMBALL, TEXAS

MARCH 2025

New Airport Traffic Control Tower (ATCT) Facility David Wayne Hooks Memorial Airport (DWH), Tomball, TX

CONTENT

NOTES

Z – GENERAL CONDITIONS

A – SUBSTRUCTURE

SECTION A10 - FOUNDATIONS

SECTION A20 - BASEMENT CONSTRUCTION

B – SHELL

SECTION B10 - SUPERSTRUCTURE

SECTION B20 - EXTERIOR ENCLOSURE

SECTION B30 - ROOFING

C – INTERIOR

SECTION C10 - INTERIOR CONSTRUCTION

SECTION C20 - STAIRS

SECTION C30 - INTERIOR FINISHES

D – SERVICES

SECTION D10 - CONVEYING

SECTION D20 - PLUMBING

SECTION D30 - HVAC

SECTION D40 - FIRE PROTECTION

SECTION D50 - ELECTRICAL AND ELECTRONIC SYSTEMS

E – EQUIPMENT AND FURNISHINGS

SECTION E10 - EQUIPMENT

SECTION E20 - FURNISHINGS

G – SITE WORK

SECTION G10 - SITE PREPARATIONS

SECTION G20 - SITE IMPROVEMENTS

SECTION G30 - CIVIL/MECHANICAL UTILITIES

SECTION G40 - ELECTRICAL UTILITIES

NOTES

NOTES

This Scope of Work (SOW) is an integral part of the overall Project Requirements and should be read in conjunction with all other documents comprising the Project

Requirements, including but not limited to the Standard Design Drawings, Division

1 Specifications, and any supplementary documentation provided for this

Solicitation. All interested parties are expected to review and consider these documents collectively to ensure a comprehensive understanding of the project scope, objectives, deliverables and each party's roles and responsibilities.

This document, along with all other Project Requirements, should be interpreted in compliance with applicable codes, standards, regulations, and best practices. In case of conflicts between local regulations and project specifications, the most stringent requirements shall apply.

SECTION Z GENERAL CONDITIONS

Z – GENERAL CONDITIONS

1. GENERAL

1.1. The scope of services required in all sections of this Scope of Work (SOW) is not intended to be all inclusive of the work to be performed. This generalized scope has been formulated so that proposals can be prepared using a common base. Offeror’s experience should allow it to amplify the scope in response to this solicitation. The technical proposal, submitted by the Offeror selected to provide these services, will become part of the Contract. Design-build services will consist of all ancillary or required design, engineering, construction, and other services required by this solicitation including procuring and furnishing all materials, labor, equipment, services, supplies, investigations, and studies required in connection with this scope of work and reasonably inferable from the solicitation documents.

1.2. All design work must be site-specific, however, concepts from the Standard Design Drawings must be used in conjunction with the applicable standards, codes and manuals cited in the STANDARDS section of this scope of work to comply with functional, performance, and spatial requirements.

1.3. Design must provide for an overall facility design life of a minimum of 50 years assuming minimal maintenance, sustainment, and restoration. The Design-Builder must account for the service life of specific components of the facilities as required in the SOW and the FAA’s Terminal Facilities Design Standard (TFDS).

1.4. The design and construction of the facilities shall incorporate sustainability considerations to comply with the Guiding Principles for Sustainable Federal Buildings and Associated Instructions and other related requirements in TFDS Section 3.4 – Energy and Sustainability. The ATCT shall be designed to be life-cycle-cost effective and to achieve energy consumption levels that are at least 30 percent below the levels established in ASHRAE 90.1, in accordance with Federal buildings energy efficiency standards.

1.5. Notwithstanding any reference in the Standard Design Drawings or this scope of work to any article, device, product, material, fixture, form or type of construction by name, make or catalog number, such references shall be interpreted as establishing a standard of quality and shall not be construed as limiting competition. The Design-Builder, in such cases, may propose any article, approved equal to or better than that specified.

1.6. The Design-Builder shall verify all existing dimensions and conditions and coordinate civil, structural, architectural, mechanical, electrical, electronics, plumbing, fire safety design and construction and such other items as may be necessary for a complete and functional facility. Coordinate work from other consultants, project shop drawings and field conditions to avoid conflicts among design components. The Design-Builder is required to develop a Building Information Modeling (BIM) Project Execution Plan (PxP) following the FAA BIM Execution Plan (BxP) document for project modeling and accurate coordination of all trades and disciplines.

1.7. The Design-Builder shall be responsible for initiating, maintaining, and monitoring all environmental and occupational safety and health aspects in connection with design and construction works to comply with applicable environmental, safety and health laws, regulations, permits and codes, including Occupational Safety and Health Administration

(OSHA), Environmental Protection Agency (EPA), FAA Orders and standards, and industry standards.

1.8. The Design-Builder shall be responsible to implement an administrative and procedural approach for quality assurance and quality control including submittal review and approval, testing, inspections, certifications and necessary actions and documentation during and after execution of the work to provide design, material, equipment, workmanship, fabrication, construction and operations compliant with the requirements of the FAA and this Solicitation.

1.9. The FAA has categorized this project as Facility Security Level (FSL)-2 Critical Infrastructure (CI) facilities in accordance with FAA Order 1600.69. The Design-Builder shall coordinate the associated security requirements with the FAA prior to the design phase. All design and construction, including but not limited to structural and architectural design, site lighting, site access control and monitoring, landscaping, site spatial constraints and physical security, shall comply with the applicable security level requirements in FAA Order 1600.69.

The Design-Builder will not be responsible for designing the electronic security system.

However, the design-builder shall work with the FAA’s Security Contractor responsible for the design to incorporate it into the over facility drawings and installation. The design- Builder will be responsible for providing and installing the infrastructure only required by the security design.

1.10. Any work required for complete and functional installations not specifically addressed within this Scope of Work or the TFDS shall be performed by the Design-Builder in accordance with applicable codes, standards, industry best practices and manufacturer’s recommendations.

1.11. The Issued for Construction (IFC) set must consist of drawings, specifications, and other documents which are usable, definitive, and complete for construction of a work package to begin. Drawings, calculations and specifications in the IFC set must be sealed by the corresponding licensed professional in the State of Texas. For additional requirements for Architect and Engineers of Record, refer to TFDS Appendix B – Design Requirements, this Scope of Work, and key personnel requirements in this Solicitation.

1.12. The Design-Builder shall be responsible for the professional and technical accuracy, usability, completeness and coordination of all designs, calculations, drawings, specifications and cost estimates, including those prepared by sub-consultants. For reference on the content and presentation requirements of design documents, refer to TFDS Appendix B – Design Requirements, Appendix C – Design Specification Submittal and Appendix E – Drawings, and Division 1 – General Conditions document.

1.13. The Design-Builder shall comply with the requirements for design submittals and deliverables provided in the Solicitation package. The Design-Builder shall prepare a submittal schedule, promptly after being awarded the Contract and thereafter as necessary to maintain a current submittal schedule and shall submit the schedule for FAA’s approval in accordance with contract documents.

1.14. Consider that contrary to the provision in TFDS Section 3.8 – Project Planning Document (PPD), FAA will not provide a sample PPD as part of this Solicitation.

1.15. A third-party commissioning authority will be retained by the FAA to perform enhanced whole building commissioning. The Design-Builder shall be responsible for commissioning testing and labor and for coordination with the third-party commissioning authority starting from the design phase or as directed by the FAA.

2. STANDARDS

2.1. Work shall be performed in accordance with the requirements of the latest applicable edition of the International Building Code (IBC) and NFPA codes and standards at the time of Contract award, as well as all applicable requirements of the FAA Terminal Facilities Design Standard (TFDS).

2.2. Site-adapted designs developed by the Design-Builder, including all materials and workmanship shall conform to the following primary documents/codes, as well as references to Federal, State and local regulations, industry standards, utility company regulations and specific requirements (latest edition at the time of Contract award) contained in each.

2.2.1. Building Codes and Standards

• International Code Council (ICC) standards o IBC, International Building Code, 2024 edition.

o IFC, International Fire Code, 2024 edition.

o IPC, International Plumbing Code, 2024 edition.

o IMC, International Mechanical Code, 2024 edition.

• American Society of Civil Engineers (ASCE) standards o ASCE 7, Minimum Design Loads and Associated Criteria for Buildings and

Other Structures, 2022 edition.

o ASCE 24, Flood Resistant Design and Construction, 2024 edition.

o ASCE 49, Wind Tunnel Testing for Buildings and Other Structures, 2021 edition.

• American Concrete Institute (ACI) standards o Building Code Requirements for Structural Concrete (ACI 318), 2019 edition.

o Guide to Design of Slabs-on-Ground (ACI 360), 2010 edition.

• American Institute of Steel Construction (AISC) standards o Steel Construction Manual, 16th edition, 2023.

• American Welding Society (AWS) Structural Welding Code – Steel (AWS D1.1), 2020 edition.

• Precast/Prestressed Concrete Institute (PCI) Design Handbook (PCI MNL-120), 2017 edition.

• The Masonry Society (TMS) Building Code Requirements and Specification for Masonry Structure (TMS 402/602), 2022 edition.

• National Fire Protection Association (NFPA) Standards o NFPA 1, The Fire Code, 2024 edition.

o NFPA 10, Standard for Portable Fire Extinguishers, 2022 edition.

o NFPA 13, Standard for the Installation of Sprinkler Systems, 2025 edition.

o NFPA 14, Standpipe and Hose Systems, 2024 edition.

o NFPA 20, Standard for the Installation of Stationary Pumps for Fire

Protection, 2025 edition.

o NFPA 22, Standard for Water Tanks for Private Fire Protection, 2023 edition.

o NFPA 24, Standard for the Installation of Private Fire Service Mains and their Appurtenances, 2025 edition.

o NFPA 25, Standard for the Inspection, Testing, and Maintenance of Water- Based Fire Protection Systems, 2023 edition.

o NFPA 70, National Electrical Code, 2023 edition.

o NFPA 70E, Standard for Electrical Safety in the Workplace, 2024 edition.

o NFPA 72, National Fire Alarm and Signaling Code, 2025 edition.

o NFPA 75, Standard for the Fire Protection of Information Technology

Equipment, 2024 edition.

o NFPA 80, Standard for Fire Doors and Other Opening Protectives, 2025 edition.

o NFPA 90A, Standard for the Installation of Air-Conditioning and Ventilating

Systems, 2024 edition.

o NFPA 92, Standard for Smoke Control Systems, 2024 edition.

o NFPA 101, The Life Safety Code, 2024 edition.

o NFPA 105, Standard for Smoke Door Assemblies and Other Opening

Protectives, 2025 edition.

o NFPA 110, Standard for Emergency and Standby Power Systems, 2025 edition.

o NFPA 241, Standard for Safeguarding Construction, Recommended Practice for Water Flow Testing and Marking of Hydrants, 2022 edition.

o NFPA 1225, Standard for Emergency Services Communications, 2022 edition.

o NFPA 5000, Building Construction Safety Code, 2024 edition.

• American Society of Heating, Refrigerating and Air Conditioning Engineers

(ASHRAE)

o ASHRAE 90.1, Energy Standard for Sites and Buildings Except Low-Rise

Residential Buildings, 2022 edition.

o ASHRAE 62.1, Ventilation and Acceptable Indoor Air Quality Standard, 2022 edition.

o ASHRAE 55, Thermal Environmental Conditions for Human Occupancy, 2023 edition.

o ASHRAE 52.2, Method of Testing General Ventilation Air-Cleaning Devices for Removal Efficiency by Particle Size, 2017 edition.

o ASHRAE 135, BACnet™ A Data Communication Protocol for Building

Automation and Control Networks, 2020 edition.

o ASHRAE 111, Testing, Adjusting, and Balancing of Building HVAC Systems, 2008 edition, Revision 2017.

o ASHRAE 70, Method of Testing for Rating the Performance of Air Outlets and

Inlets, 2023 edition.

• American Society of Mechanical Engineers (ASME) standards o ASME A17.1, Safety Code for Elevators and Escalators, 2022 edition.

o ASME A17.2, Guide for Inspection of Elevators, Escalators, and Moving

Walks, 2023 edition.

o ASME B16.18, Cast Copper Alloy Solder Joint Pressure Fittings Standard, 2021 edition.

o ASME B16.22, Wrought Copper and Copper Alloy Solder-Joint Pressure Fittings Standard, 2021 edition.

• Sheet Metal and Air Conditioning Contractors' National Association (SMACNA), HVAC Duct Design and Construction Standards.

• Air Movement and Control Association International Inc. (AMCA), Product Rating Manual for Air Control Devices (AMCA 511), 2021 edition, Revision 12-2022.

• Master Painters Institute (MPI) Architectural Painting Specification manuals and guides.

• Department of Transportation Federal Highway Administration’s (DOT/FHWA) Manual on Uniform Traffic Control Devices (MUTCD), 11th edition, 2023 edition.

• Guiding Principles for Sustainable Federal Buildings and Associated Instructions of the Council of Environmental Quality, 2020 edition.

2.2.2. FAA Standards

• TFDS, FAA Terminal Facilities Design Standard, version 2.3.

• FAA-STD-002, Facilities Engineering Drawings Preparation.

• FAA Order 1600.69, FAA Facility Security Management Program.

• FAA-C-1217, Electrical Work - Premise wiring.

• FAA-STD-019, Lightning and Surge Protection, Grounding, Bonding and Shielding

Requirements for Facilities and Electronic Equipment.

• FAA-STD-061, Airport Fiber Optic Transmission Systems (FOTS).

• FAA Order JO 6950.2, Electrical Power Policy Implementation at National Airspace

System Facilities.

• FAA Order JO 6950.27, Power System Studies.

• FAA Order JO 6980.11, Maintenance of Engine Generators.

• FAA Order JO 3900.61, Drinking Water Testing at Air Traffic Organization Facilities

• FAA Order JO 3900.76, Management of Indoor Air Quality (IAQ) at Air Traffic

Organization (ATO) Facilities.

• FAA-C-1391, Installation, Termination, Splicing, and Transient/Surge Protection of

Underground Electrical Distribution System Power Cables.

• FAA Order 1053.1, Energy and Water Management Program for FAA Buildings and

Facilities.

• FAA Minimum Building Information Modeling (BIM) Execution Plan (BxP).

2.2.3. Accessibility

• Architectural Barriers Act of 1968 (ABA), 2015 standards.

• Americans with Disabilities Act of 1990 (ADA), 2010 standards.

• Texas Accessibility Standards, 2012 edition.

2.2.4. Occupational Health and Safety

• Occupational Safety and Health Administration Regulations - Federal and State

2.3. Unless the Solicitation includes more stringent requirements, applicable construction industry standards have the same force and effect as if bound or copied directly into the contract documents to the extent referenced.

2.4. Where FAA documents and other referenced documents have conflicting requirements, FAA documents must take precedence. In the event of conflict between any of the other referenced documents, the strictest requirement shall take precedence. The most stringent code applied will be at the discretion of the FAA Contracting Officer’s Representative (COR).

Request for deviations from Standard Drawings, instructions, FAA criteria, or building codes must be submitted for review and approval in accordance with TFDS Section 2.4 – Deviation/Alternative Approach.

3. ANNEXES

3.1. Siting Reports: The FAA has conducted a siting study for the David Wayne Hooks site, in accordance with TFDS Section 7.1.4 – Siting Study. The Siting Report for the Project is attached.

3.2. Requirements Document Workbook (RDWB): Some site-specific preliminary information and requirements including siting, program spaces, parking spaces, site utilities, commissioning, security, antennas, etc. are included in the RDWB. Applicable requirements from the RDWB shall be obtained from the COR. The RDWB for the Project is attached.

3.3. Preliminary Geotechnical Report: Preliminary geotechnical investigations have been conducted at the Project site and the corresponding report attached to this Solicitation is for information only and is not guaranteed to fully represent all subsurface conditions.

The Geotechnical Evaluation will include representative calculations for a suitable foundation system considering soil conditions, the design loads imposed on the soil by the structure of this project and construction methods commonly used for foundations at this location. The report will establish geotechnical design criteria to be used for the design of foundation substructure and paving systems during the temporary construction phase(s) and the final building construction.

3.4. Standard Design Drawings: The information contained in the Standard Design Drawings is intended to convey standard concepts and design basis for the site-adapted design of airport traffic control towers (ATCTs) throughout various locations in United States and its territories. To the greatest extent possible, requirements indicated on the drawings reflect reasonable worst-case scenarios based on preliminary design criteria applicable for all locations throughout the United States. As such, the intent is that basic configurations and details shown in these drawings will not require to be modified or changed as part of the site adaptation process for each site.

ATCT height in the Standard Design Drawings is adaptable for rapid deployment throughout the United States. However, cab floor height for this project is set at 90.58 feet AGL. The Standard Design Drawings are attached.

3.5. Site Proposed Layout drawings (if applicable): All existing underground utilities, structures and land features, if shown on these drawings, are approximate and may not represent their complete extent. The Design-Builder shall be responsible for verifying exact location, depth, size, type and other relevant information of utilities, structures and land features on site and contacting the pertinent utility company or responsible authority to have all site structures and features located and marked.

3.6. Information, data, and representations contained in all contract documents pertaining to the conditions at the site, including but not limited to subsurface conditions and siting characteristics, are for information and bidding purposes only and are not warranted or represented in any manner to accurately show the conditions at the site of the work. After contract award, the Design-Builder will conduct its own geotechnical and field measurements and all necessary investigations and base its final design on the results of those investigations.

SECTION A10 FOUNDATIONS

A – SUBSTRUCTURE

SECTION A10 - FOUNDATIONS

1. Foundations shall be fully designed by the Design-Builder based on site-specific conditions.

Foundations are excluded from the Standard Design Drawings. Where shown in the Solicitation documents, foundation systems and extents are conceptual in nature and are not meant to convey design intent.

2. Information, data, and representations contained in the Solicitation and Contract documents pertaining to the conditions at the Site, including subsurface conditions, are for information and bidding purposes only and are not warranted or represented in any manner to accurately show the conditions at the site of the Work. After contract award, the Design-Builder will conduct its own thorough geotechnical investigations and base its final design on the results of those investigations.

3. Perform subsurface exploration, investigation, testing and analysis for the design and construction of the foundation system and provide the corresponding Geotechnical Report in accordance with the minimum requirements in TFDS Section 8.10 – Subsurface Investigation.

The Geotechnical Report shall represent the results of the subsurface investigation outlining findings and project specific recommendations for engineering methods and solutions suitable for design and construction of foundations, pavements and other structural features.

Additional subsurface exploration and supplementary field and laboratory testing not specified in TFDS Section 8.10, shall be conducted as necessary to support the design concept. The report shall be signed and sealed by a licensed professional engineer in the State of Texas.

4. The geotechnical investigation and report shall address the characteristics of soil and water in contact with foundation structures (soluble salts, sulfates, soil and water resistivity, soil and water pH, etc.) required to design corrosion and abrasion control measure to achieve a minimum 75-year service life, in accordance with TFDS Section 8.7 – Structural Systems and Materials.

5. Provide the foundation system, based on recommendations and information contained in the Geotechnical Report, as follows:

5.1. Design foundations to suit subsurface conditions, capable of transmitting all site-specific environmental and building loads (See Section B10 - Superstructure) to the ground.

5.2. As applicable, provide Standard Foundations. "Standard Foundations" are shallow or deep foundations as specifically addressed in IBC Chapter 18.

6. As applicable, provide Special Foundations. "Special Foundations" are any foundations that are not specifically "Standard Foundations", or a combination of Standard Foundations and a site improvement/ground modification system.

7. As applicable, provide soil supported or structurally supported concrete slabs designed in accordance with ACI 360 and to comply with the minimum requirements in TFDS Section 8.9-A

– Slabs on Grade.

8. Excavation for foundations shall be carried out to the dimensions, lines and grades defined in Issued for Construction Drawings (IFCs). All excavation, backfill and compaction works for foundations shall be performed in accordance with IBC Section 1804 and as recommended by the Design-Builder’s Designer of Record. (See Section G10 – Site Preparations, for more details).

SECTION A10 FOUNDATIONS

9. Provide a perimeter drainage system, where required, in accordance with IBC Section 1805.4.2 Dewatering systems, if required, shall be designed, provided, installed, operated, monitored, and removed (if temporary), by the Design-Builder. Dewatering systems shall account for local code restrictions on dewatering methods and groundwater discharge.

SECTION A20 BASEMENT CONSTRUCTION

A – SUBSTRUCTURE

SECTION A20 - BASEMENT CONSTRUCTION

1. Basements include exterior construction below the ground floor, including walls/slabs below grade, elevator pits and other pits.

2. Provide basements based on recommendations and information contained in the Geotechnical Report to be provided by the Design-Builder (See Section A10 – Foundations).

3. Basements shall be designed and constructed in accordance with IBC Section 1807 to suit subsurface conditions and to withstand the effects of site-specific environmental loads and events. (See Section B10 – Superstructure, for loading criteria)

4. Elevator pits must be designed and constructed to accommodate the horizontal and vertical dimensional requirements of the installation, including clearance requirements in accordance with ASME 17.1.

5. Dewatering systems, if required, shall be designed, provided, installed, operated, monitored, and removed (if temporary), by the Design-Builder. Dewatering systems shall account for local code restrictions on dewatering methods and groundwater discharge.

6. Provide cast-in-place concrete, precast concrete or masonry elevator pit walls.

7. Provide waterproofing for elevator pit floor and walls to comply or exceed minimum requirements in IBC Sections 1805.3.1 and 1805.3.2, respectively.

SECTION B10 SUPERSTRUCTURE

B – SHELL

SECTION B10 - SUPERSTRUCTURE

1. The superstructure includes the framing system, elevated slab construction, roof construction and catwalk.

2. Provide the superstructure in accordance with the applicable codes in Section Z - General and all referenced standards and codes contained in each.

3. Design the superstructure to comply with or exceed the minimum loading criteria in TFDS Table 8-2. Design Loads and Events and any additional loads as required by design codes and guidelines. The superstructure shall be able to withstand the most critical load combinations in accordance with ASCE 7, TFDS and IBC. Where conflicting loading requirements exist, the most stringent shall apply.

4. Design must conform to Risk Category IV and to other structural performance categories in TFDS Table 8-1.

5. Design of structural and façade elements, including material selection, shall consider load reversals and other blast resistance criteria in accordance with ASCE 59 and as required for Facility Security Level (FSL)-2 Critical Infrastructure (CI) facilities per FAA Order 1600.69.

Coordination with the FAA’s Servicing Security Element (SSE) and the Facility Security Risk Management (FSRM) Contractor appointed by the FAA is required.

6. Fire resistance rating requirements of all structural members shall comply at least with construction type I-B, in accordance with IBC Table 601.

7. Refer to the following list of superstructure items from the Standard Design Drawings that are fixed and shall not be modified during site adaptation:

• Minimum floor live loading criteria.

• Structural column grid.

• Arrangement of gravity framing, floor and lateral force-resisting systems.

• Nominal steel beam depth.

• Number, location and maximum size of Cab mullions.

• Catwalk access.

The Design-Builder is responsible for conducting analysis and investigations and shall base its final design on the results of those analysis and investigations.

8. Provide framing systems as follows:

8.1. Provide a force-resisting framing system in accordance with loading requirements in ASCE

7 for a minimum design life of 50 years.

9. Provide elevated slab construction as follows:

9.1. Design-Builder’s design team shall verify the weight of selected and Government-furnished equipment (GFE) does not exceed floor loading criteria and shall evaluate if the effect of such equipment exceeds any established structural design criteria.

10. Provide roof construction as follows:

10.1. Provide reinforced concrete roof deck in accordance with TFDS Section 8.9-C - Roof.

10.2. Structural design of cab mullions shall consider minimum obstruction of line of sight for air traffic control operations and concealment of service distribution components

SECTION B10 SUPERSTRUCTURE

including piping, conduit and wiring in accordance with the requirements in TFDS Section

7.3.4 - Interior and Perimeter Columns, Section 8.8 – Control Cab Framing System, Section 12.9-F – Cab Fire Sprinkler Feed and the Standard Drawings.

10.3. Design and construct a catwalk around the Control Cab, including guardrails, for glazing cleaning, maintenance, and replacement in accordance with IBC, OSHA 1910 Subpart D Walking-Working Surfaces and TFDS Section 7.3.8 – Catwalk and Section 8.6-D – Cab Catwalk. Refer to the Standard Design Drawings for catwalk access and preliminary layout and elevations.

SECTION B20 EXTERIOR ENCLOSURE

SECTION B20 - EXTERIOR ENCLOSURE

1. The exterior enclosure includes all vertical and horizontal exterior closure such as exterior walls, exterior windows, and exterior doors.

2. Provide the exterior enclosure in accordance with the applicable codes in Section Z - General and all referenced standards and codes contained in each.

3. Fire resistance rating requirements of the exterior enclosure shall comply at least with construction type I-B, in accordance with IBC Table 601.

4. Where applicable, exterior wall assemblies shall meet or exceed minimum energy savings requirements in ASHRAE 90.1. Cab windows are exempt from this requirement.

5. Refer to the following list of exterior enclosure items from the Standard Design Drawings that are fixed and shall not be modified during site adaptation:

• Components and overall thickness of exterior wall assembly.

• Wall cladding material at occupied levels (stainless steel 316).

• Wall cladding material at the core (pre-weathered zinc).

• Cab glazing (Per FAA Specification 08 88 58).

• Cab mullions assignment for concealment of vertical drains.

• Number, location and maximum size of Cab mullions.

The Design-Builder is responsible for conducting analysis and investigations and shall base its final design on the results of those analysis and investigations.

6. Design of structural and façade elements, including material selection, shall consider load reversals and other blast resistance criteria in accordance with ASCE 59 and as required for Facility Security Level (FSL)-2 Critical Infrastructure (CI) facilities per FAA Order 1600.69.

7. The Design-Builder shall coordinate all security requirements for exterior enclosure components with the FAA’s Servicing Security Element (SSE) and the Facility Security Risk Management (FSRM) Contractor appointed by the FAA.

8. Provide exterior walls as follows:

8.1. Design must conform to Risk Category IV and to other structural performance categories in TFDS Table 8-1. Structural Performance Levels and Categorizations and shall be able to safely withstand the superimposed applicable loads per ASCE 7, TFDS and IBC. Where conflicting loading requirements exist, the most stringent shall apply.

8.2. Provide only non-combustible exterior wall materials or assembly of materials to comply with or exceed the minimum requirements in IBC Chapter 14 and in accordance with requirements and restrictions in TFDS Chapter 6 – Architectural Enclosures and the Standard Design Drawings.

8.3. Cab glass will be non-coated annealed laminated type only. Insulated Glass Units (IGUs) shall not be used.

8.4. Control Cab exterior walls shall be as follows:

i. Cab level exterior enclosure shall consist of a glazing system able to withstand load requirements in IBC Section 2404 and TFDS Section 8.6-F.2 – Building Glass Design without failure.

SECTION B20 EXTERIOR ENCLOSURE

ii. Provide a glazing system that meets or exceeds acoustic, glass, framing, shades and maintenance requirements in TFDS Section 7.3 – Cab Architectural Exterior Enclosure.

iii. Cab glazing mullions shall be sized and adapted to maximize visibility from the cab and to receive services distribution components including piping, conduit and wiring in accordance with the requirements in TFDS Section 7.3.4 – Interior and Perimeter Columns, Section 8.8 – Concrete Slabs and Flooring, Section 12.9-F – Cab Fire Sprinkler Feed and the Standard Design Drawings.

iv. Design and construction shall comply with FAA’s Cab Glass Specification.

8.5. Provide removable louvers and screens to allow maintenance and replacement of larger equipment. Coordinate louver sizes with the requirements of the mechanical equipment provided.

9. Provide exterior windows (other than Cab windows) as follows:

9.1. Evaluate and provide windows in regularly occupied areas, as an alternative energy resource, to enhance the working environment, without compromising visual acuity, comfort and maintenance.

9.2. Glazing shall be able to withstand load requirements in IBC Section 2404 and TFDS Section 8.6-F.1 – Building Glass Design without failure.

9.3. Provide burglar proofing system for all windows within 16 feet of the ground to meet the security requirements in FAA Order 1600.69 for a Facility Security Level (FSL)-2 Critical Infrastructure (CI) facility. The Design-Builder shall provide windows, frames and hardware systems compliant with associated security system requirements in close coordination with the FAA’s Servicing Security Element (SSE) and the Facility Security Risk Management (FSRM) Contractor appointed by the FAA .

10. Provide exterior doors as follows:

10.1. Exterior doors, frames and hardware shall meet the security requirements in FAA Order

1600.69 for a Facility Security Level (FSL)-2 Critical Infrastructure (CI) facility. The Design- Builder shall coordinate associated security system requirements with the FAA’s Servicing Security Element (SSE) and the Facility Security Risk Management (FSRM) Contractor appointed by the FAA.

10.2. Provide interior mounted hinges or modify to prevent removal on exterior doors.

10.3. Where applicable, provide latch guards or astragals in perimeter doors and critical operational area doors.

10.4. All doors shall be provided with FAA standard locking systems.

10.5. Provide doors within a means of egress in accordance with NFPA 101 Chapter 7 and TFDS

Section 12.7 – Means of Egress.

10.6. Where required, provide fire door assemblies in accordance with NFPA 101 Chapter 8, NFPA 80 and NFPA 105.

10.7. All exterior doors and hardware shall comply with ADA/ABA guidelines and local jurisdiction accessibility requirements.

SECTION B30 ROOFING 16

SECTION B30 - ROOFING

1. Roofing includes roof coverings, insulation, flashings, trims, gutters, downspouts, openings and other related features.

2. The design and construction of the roofing system shall be in accordance with the applicable codes in Section Z General and all referenced standards and codes contained in each.

3. The roofing system must be designed considering the ATCT as an essential facility (Risk Category IV), per IBC. The fire resistance rating requirements for roofing members shall at least comply with construction type I-B, in accordance with IBC Table 601.

4. Load assumptions, environmental load criteria and design events shall be site-specific. The design shall comply with TFDS, IBC and ASCE 7. Where conflicting loading requirements exist, the most stringent shall apply.

5. Provide structural capability for antennas and Lightning Protection strike terminals to be located on the Control Cab roof and lower-level roofs. The number and location of antennas and air terminals shall be as directed by the FAA during the design phase.

6. Provide high-traffic walkway pads, where required, to grant access for servicing and maintenance of antennas and other roof-mounted equipment.

7. For moisture control in roofing assemblies, perform a hygrothermal analysis as required by TFDS Section 7.3.9 – Hygrothermal Analysis.

8. Provide roofing systems for the Third Intermediate Level, Control Cab and at the Console Access Level with a minimum 25-year design life. Any roofing system provided shall include an unconditional lifetime warranty.

9. Refer to the following list of roofing items from the Standard Design Drawings that are fixed and shall not be modified during site adaptation:

• Cab mullion assignment for concealment of vertical drains.

The Design-Builder is responsible for conducting analysis and investigations and shall base its final design on the results of those analysis and investigations.

10. Provide roof coverings as follows:

10.1. Provide roofing system to comply with the following insulation requirements:

A. The Standard Design Drawings require occupiable inverted roof membrane assemblies (IRMA) for the Third Intermediate Level, Console Access Level and Catwalk and an IRMA roofing system for the Cab. However, the Design-Builder is allowed to provide alternative roofing design and construction approaches compliant with the applicable requirements in IBC Chapter 15 and that are equal or better in terms of quality and performance than the roofing systems shown in the Standard Design Drawings.

B. Provide continuous insulation through a single-ply roofing system to minimize thermal bridging at the Control Cab in accordance with TFDS Section 7.3.10 – Thermal Barrier Continuity at Cab Structure.

C. Membrane systems specified for use in the roofing system shall meet the requirements of the standards referenced in IBC Section 1507.12. For durability and maintainability concerns, the use of TPO (thermoplastic polyolefin) roofing is not permitted. Roofing membrane systems must be FM 4470 approved, rated “Severe”

SECTION B30 ROOFING 17

(SH) for hail damage and uplift rating in accordance with wind loading provisions in

ASCE 7.

D. Avoid mechanically attached roofing systems to the maximum extent practical, to prevent air intrusion and condensation.

E. Install walk pads as part roofing systems, if required, to provide access to antennas and other roof-mounted equipment. The number and location of antennas shall be as directed by FAA during design phase. Refer to the Siting Report for special considerations for roof mounted equipment, if any.

F. Where heavy foot traffic is expected, such as at the Console Access Level, the roofing system shall be protected by ballast pavers.

G. Provide vapor retarder/barrier, water-resistive barrier, and air barrier, based on site-specific climate conditions in accordance with applicable ASHRAE 90.1 calculations, to meet or exceed FAA’s and Federal energy savings requirements.

H. Moisture control requirements for roof systems in IBC Chapter 15 and ASHRAE 90.1 shall also be considered in the design of parapet walls.

10.2. Provide roofing systems to comply with the following drainage requirements:

A. Provide primary and secondary roof drainage systems designed considering rain loads in accordance with the criteria in TFDS Chapter 8, IBC Section 1502 and ASCE 7 Chapter 8, whichever is more stringent and other applicable local codes.

Downspouts shall be concealed inside glazing mullions to avoid obstructions of the line-of-sight from the Control Cab. Mullions used for roof drains shall be designed and constructed to prevent condensation, freezing and rusting from taking place.

10.3. Piping for roof drains shall be Type-K soft-temper copper. Provide roofing systems to comply with the following roof opening requirements:

A. Provide a roof hatch to access the roof from the Cab operating floor in accordance with TFDS Section 7.3.7-A – Cab Roof Access.

B. Flashings shall be carefully designed and installed to comply with the requirements in IBC Section 1503 and TFDS Section 7.3.10 – Thermal Barrier Continuity at Cab Structure.

SECTION C10 INTERIOR CONSTRUCTION

C – INTERIOR

SECTION C10 - INTERIOR CONSTRUCTION

1. Interior construction shall include space programming, interior partitions, interior doors, and fittings appropriate for building performance.

2. Provide the interior construction in accordance with the applicable codes in Section Z – General and all referenced standards and codes contained in each.

3. Coordinate site-specific conditions and criteria in the Requirements Document Workbook (RDWB) for this Project with applicable interior construction requirements in TFDS Section 5.8 through 5.13, considering the following exceptions:

3.1. Interior construction requirements for Lobbies in TFDS Section 5.8.1 do not apply.

3.2. Interior construction requirements for Connecting Link in TFDS Section 5.8.2 do not apply.

3.3. Interior construction requirements in TFDS Section 5.10.1 apply to the Lounge & Locker room shown in the Standard Design Drawings. Comply with the requirements in Item 1 through 4 in TFDS Section 5.10.1-B. In Item 3, provide microwave oven and refrigerator only. Items 5 through 7 do not apply.

3.4. Construction requirements for Loading Docks in TFDS Section 5.11.9 do not apply.

3.5. Interior construction requirements for TRACON Operation Rooms in TFDS Section 5.12.1 do not apply.

3.6. Interior construction requirements for ATCT Tower Shaft Use and Occupancy in TFDS

Section 5.13.1 do not apply.

4. Refer to the following list of interior construction items from the Standard Design Drawings that are fixed and shall not be modified during site adaptation:

• Floor to floor heights.

• Clear ceiling heights (per TFDS).

• Core clear dimensions (stairway, elevator hoistway, electrical and plumbing chase).

• Program layouts and room adjacencies.

• Minimum net areas of program spaces.

• Maximum cab sill height.

• Cab and Console Access Level floor plans.

• Fire Life Safety (FLS) plans for egress from the Cab and Console access level to the means of egress at the Junction Level.

The Design-Builder is responsible for conducting analysis and investigations and shall base its final design on the results of those analysis and investigations.

5. Provide space programming as follows:

5.1. Space layout and configuration shall conform to the Standard Design Drawings. The

Standard Design Drawings contain layout drawings that exhibit prescriptive technical and operational space requirements. The dimensions of interior spaces shown on these drawings, including proposed use of partitioned areas, room adjacencies and designations are fixed for safe and efficient facility operation, considering clearances for equipment maintenance, operation and replacement, peak personnel traffic, security, accessibility, life safety, acoustical, lighting and thermal requirements and any other applicable requirement in accordance with TFDS and the Siting Study and Requirements Document Workbook (RDWB) for this Project. If the Design-Builder determines the spaces provided in the Standard Design Drawings are not sufficient or if additional rooms/spaces are required for code compliance or to enhance functionality, circulation, or other design concepts, it is the Design-Builder's responsibility to promptly notify the FAA.

5.2. Site-specific design requirements for the Control Cab such as size, orientation, location, elevation, etc., specified in the Siting Study, as per TFDS Section 7.1.4 – Siting Study, shall not be subject to modifications, changes or adjustments from the Design-Builder without approval by the FAA.

6. Provide interior partitions as follows:

6.1. Room partition requirements shall conform to dimensions shown in the Standard Design

Drawings. Where greater wall thicknesses are required to fulfil structural, insulation, utilities concealment needs, code mandated clearances and tolerances, etc.; walls shall expand outwards.

6.2. All interior partitions must be constructed of metal studs with gypsum board on each side.

Provide concrete masonry or mass walls where required, per material requirements in TFDS Section 5.4-H – Partitions.

6.3. Provide fixed interior partitions that extend from floor slab to the underside of the floor or roof structure above, except where floor-to-ceiling demountable or retractable partitions are specifically required.

6.4. Provide control joints and apply installation techniques as recommended by the manufacturer.

6.5. Deflection of all interior wall assemblies shall not exceed L/360.

6.6. Sound-rated partition assemblies shall comply with minimum Sound Transmission

Coefficient (STC) as indicated in TFDS Table 5-7. Acoustic Design Criteria Matrix.

6.7. Provide fire and smoke barriers as required in TFDS Section 12.6-B – Cab/Cable Access

Ring Smoke Barrier Scheme.

6.8. Fire rated wall assemblies shall be installed to separate areas of hazardous occupancies from each other and from areas of ordinary or light hazard occupancy. Provide fire rated and/or smokeproof wall assemblies in accordance with IBC, NFPA 101, NFPA 75, TFDS Chapter 12 – Fire Protection and Life Safety and applicable local code requirements and all referenced standards and codes contained therein.

6.9. All openings through fire-rated partitions shall be protected with approved fire-resistance-rated assemblies in accordance with NFPA 101 Section 8.3.3.

6.10. All penetrations through fire-rated partitions shall be protected with firestopping systems in accordance with NFPA 101 Section 8.3.4 and TFDS Section 12.6-D – Firestopping Workmanship, Section 12.6-E – Dynamic Cable Penetrations and Section 12.6-F – Firestop Vendor.

7. Provide interior doors as follows:

7.1. Provide interior doors for individual rooms as appropriate including all hardware and accessories required for complete and operable assembly.

7.2. Provide standardized interior doors to the maximum extent practical with a design and finish compatible with the interior architectural character of the building. Where rooms with different door requirements are connected by a door, provide a door type that meets the security and durability as well as finish requirements of both spaces.

7.3. Provide interior doors and hardware meeting the security requirements of a Facility Security Level (FSL)-2 Critical Infrastructure (CI) facility per FAA Order 1600.69 and TFDS Section 11.29 – Security Systems. The Design-Builder shall coordinate security requirements for interior doors with the FAA’s Servicing Security Element (SSE) and the Facility Security Risk Management (FSRM) Contractor appointed by the FAA.

7.4. All interior doors and hardware shall meet the accessibility requirements of the ADA/ABA Standards.

7.5. Provide doors and their accompanying frames in accordance with materials and system requirements in IBC Section 1010 and TFDS Section 5.4-E – Doors and Frames, and door hardware as per TFDS Section 5.4-F – Door Hardware.

7.6. Provide acoustically rated door assemblies for doors leading to sound sensitive rooms as required in TFDS Table 5-7. Acoustic Design Criteria Matrix. Provide light-proof gasketing for room functions that require darkness.

7.7. Where required as per NFPA 101 Section 8.3.3, provide fire rated and smokeproof door assemblies in accordance with NFPA 80 and NFPA 105.

7.8. Provide doors within a means of egress in accordance with requirements in NFPA 101 Chapter 7 and TFDS Section 12.7 – Means of Egress.

8. Provide specialties as follows:

8.1. Provide all architectural specialties such as compartments, cubicles, toilet partitions, toilet accessories, identifying devices, lockers, shelving, fire cabinets, counters, cabinets, casework, closets, firestopping penetrations, sprayed fire-resistive material, entrances floor grilles and mats and ornamental metalwork in accordance with requirements for material, finish, accessibility and other applicable criteria in IBC, TFDS and NFPA 101.

Coordinate with occupancy, function, and associated site-specific requirements.

8.2. Architectural specialties, including furniture and furniture systems shall be provided in accordance with TFDS Chapter 5 – Architectural Interiors, subject to coordination with FAA during design phase. Refer to Section E20 - Furnishings.

SECTION C20 STAIRS 21

SECTION C20 - STAIRS

1. Provide stairs, including stair construction and stair finishes, to offer safe egress from the tower.

2. Refer to the following list of stair items from the Standard Design Drawings that are fixed and shall not be modified during site adaptation:

• Location of stairs.

• Stairwell core interior has clear dimensions.

• Stairwell pressurization methodology.

The Design-Builder is responsible for conducting analysis and investigations and shall base its final design on the results of those analysis and investigations.

3. Stairways shall be in accordance with means of egress requirements in NPFA 101 Chapter 7 and TFDS, and accessibility requirements in ADA/ABA standards.

4. The design shall have a single egress stair serving the tower from lowest floor level, through the non-occupied shaft, up to the Cab stair. The stairs shall provide access to the intermediate, mechanical access, subjunction, junction and console access levels. Design-Builder to determine if more than one means of egress is required to comply with the applicable requirements in NFPA 101 and OSHA standards.

5. Provide stair construction as follows:

5.1. Provide permanently fixed interior stairs. Stair components such as structure, platform, and landing, not including handrails, shall be constructed of non-combustible materials in accordance with NFPA 101.

5.2. Minimum width as well as other dimensional criteria, including tolerances, shall comply with the requirements for new stairs is NFPA 101 Chapter 7, except for overhead clearance, where TFDS specifically requires greater dimension than the minimum specified in NFPA 101.

6. Provide stair finishes as follows:

6.1. Provide handrails on both sides of the stairwell to meet all requirements for fall protection, dimension, clearance, loading and other applicable criteria in NFPA 101 Chapter 7, OSHA 1910.28 and 1910.29. The railing shall have painted finish in accordance with the minimum finish requirements in TFDS Chapter 5 – Architectural Interiors.

6.2. Stair stringers, risers, treads and undersides shall be in accordance with the minimum finish requirements in TFDS Chapter 5 – Architectural Interiors.

SECTION C30 INTERIOR FINISHES

SECTION C30 - INTERIOR FINISHES

1. Provide interior finishes including wall, floor, wall base, and ceiling finishes in accordance with TFDS Section 5.5 – Interior Room Finish Requirements and Section 7.2 – Cab Architectural Interior, IBC Chapter 8, NFPA 101 and all referenced standards and codes contained therein.

2. Provide finishing materials to comply with minimum acoustical requirements in TFDS Section

5.6 – Acoustic Requirements.

3. Selected finishes shall be durable with a minimum 20-year service life, require low maintenance, mold-resistant, and appropriate for demanding in-use applications of each programmed space.

4. Coordinate materials, finishes and color selections with site-specific requirements and climate conditions.