Attachment 03 - Architectural Compatibility Plan (ACP).pdf

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HILL AIR FORCE BASE HILL AIR FORCE BASE HILL AIR FORCE BASE

HILL AIR FOR CE BAS E

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INTRODUCTION:

Background

Purpose

Vision

How to use this Plan

ARCHITECTURAL SETTINGS:

Architectural Settings ......................9-11

Group 1: Industrial Complex

Group 2: Administration / Support

Group 3: East Side Development

Group 4: Falcon Hill Aerospace Research Park

Group 5: UTTR (Oasis Compound)

Group 6: Little Mountain

BUILDING TYPES:

Industrial Buildings

Office/Support Buildings

Storage Buildings

Ancillary Structures

Temporary Structures(Trailers)

Housing (dormitories)

Historical

DESIGN STANDARDS:

*Including additions, remodels and new structures

Architecturally Significant Buildings ...24

Buildings

Wall Systems .................................26-29

Roof Systems ................................30-31

Entrances ...................................... 32-33

Windows and Doors

Canopies

Screens & Enclosures

Interiors .........................................36-40

LANDSCAPING:

Landscaping ................................. 41-45

Walkways and Paths

Roads

Parking

Signs

Site Furnishings .............................50-53

Lighting ......................................... 52- 54

Utilities ...........................................54-55

SUSTAINABILITY:

Sustainability ................................. 57-58

Air Barriers

HISTORICAL PRESERVATION ..........59-60

IMPLEMENTATION ............................ 61-64

APPENDICES:

1: Materials and Colors

2: Architectural Conceptual Details

3: Acceptable vs. Prohibited

4: Landscape Plants, Materials and Irrigation

5: Architecturally Significant Buildings

INDEX

A R C H I T E C T U R A L C O M PAT I B I L I T Y P L A N

INTENTIONALLY BLANK

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The Architectural Compatibility Plan (ACP) defines a clear design vocabulary to be used throughout Hill Air Force Base (HAFB), providing specific standards for all aspects of exterior design. Compatible architecture is accomplished with similar buildings, using common design forms, details, materials, site features, landscaping, and streetscapes. Quality and compatibility are achieved through creating a unified visual environment that is based on an Architecture of Community, similar to a campus or small town. The principal design goal is to direct development at Hill AFB toward a livable, attractive, and cohesive installation. The ACP provides the design standards that will help to build compatible facilities and a quality environment. Implementation of the standards will result in the creation of community.

BACKGROUND

Hill AFB is named in honor of Major Ployer Peter Hill (1894– 1935), the Chief of the Flying Branch of the U.S. Army Air Corps Material Division of Wright Field, Dayton, Ohio. Major Hill died as a result of injuries he received from the crash of the Boeing Aircraft Company’s experimental aircraft Boeing Model 299 at Wright Field, the prototype airplane for what became the famous B-17 Flying Fortress.

Hill Air Force Base traces its origins back to the ill-fated U.S. Army’s Air Mail “experiment” of 1934, when the idea originated for a permanent air depot in the Salt Lake City area. In the following years, the Army Air Corps surveyed the region for a suitable location for the permanent western terminus of the air mail. Several sites in Utah were considered, and the present site near Ogden emerged as the clear favorite.

In July 1939, Congress appropriated $8.0 million for the establishment and construction of the Ogden Air Depot.

Hill Field officially opened on 7 November 1940. Following American entry into World War II in December 1941, Hill Field quickly became an important maintenance and supply base, with round-the-clock operations geared to supporting the war effort. Battle-worn warplanes like the B-26, B-17, B-24, B-29, P-40, P-47, P-61, and others depended on the men and women of Hill Field for structural repairs, engine overhauls, and spare parts. The peak wartime employment at Hill Field was reached in 1943 with a total of just over 22,000 military and civilian personnel. These dedicated men and women rehabilitated and returned thousands of warplanes to combat.

INTRODUCTION

Hill Field became the Hill Air Force Base on 5 February 1948, following the 1947 transition of the new U.S. Air Force away from the U.S. Army and the United States Army Air Forces, into an independent service, as called for by the National Security Act of 1947. This transition actually took place in October 1947, but it took many months to fully implement.

During the Korean War, Hill AFB was assigned a major share of the Air Materiel Command’s logistical effort to support the combat in Korea. Hill AFB personnel quickly removed needed warplanes from storage, renovated them, and added them to active-service USAF flying squadrons.

Then during the 1960s, Hill AFB began to perform the maintenance support for various kinds of jet warplanes, mainly the F-4 Phantom II during the Vietnam War, and then afterwards, the more modern F-16 Fighting Falcons, A-10 Thunderbolt IIs, and C-130 Hercules, air combat missile systems and air-to-ground rockets. Hill AFB continues to carry out these tasks to the present day.

In this decade Hill AFB is still the sixth-largest employer in the state of Utah, and the third-largest, excluding the State Government and Higher Education. Hill AFB is the home of the Air Force Materiel Command’s (AFMC) Ogden Air Logistics Complex which is the worldwide manager for a wide range of aircraft, engines, missiles, software, avionics, and accessories components. The Ogden Air Logistics Complex is part of the Air Force Sustainment Center. With its headquarters at Tinker Air Force Base, Oklahoma, the Air Force Sustainment Center is one of five specialized centers assigned to the Air Force Materiel Command. The host unit at Hill AFB is the Air Force Material Command’s 75th Air Base Wing (75 ABW), which provides services and support for the Ogden Air Logistics Complex and its subordinate

(ACC) and the Air Force Reserve Command (AFRC). Ogden Air Logistics Complex provides worldwide engineering and logistics management for the F-16 Fighting Falcon, F-35, F-22, A-10 Thunderbolt II, and Minuteman III intercontinental ballistic missile and a myriad of other aircraft types.

PURPOSE

The purpose of the Architectural Compatibility Plan (ACP) is to define design standards for buildings, site development, and streetscapes that serve to integrate the visual character

02- 01-20195 throughout the Base. The ACP will help ensure consistent quality design decisions by commanders, planners, architects, engineers, maintenance staff, and residents. It promotes clear, concise communication between the Hill AFB personnel and design professionals. This plan applies to self-help initiatives, small projects, and operations and maintenance activities as well as large construction efforts.

The ACP is referenced from and supports the Hill AFB General Plan as a key component plan.

This Architectural Compatibility Plan sets a minimum standard for quality control, and is intended as a baseline, or beginning point, for the built environment on Hill Air Force Base. All structures, regardless of size, typology, or placement must adhere to the standards set forth in this ACP.

However, architects and designers are encouraged to further explore design options within the framework of this ACP.

VISION

Although budgets are generally conservative, in response to tax payer funding, buildings should strive to have strong sense of design, and reflect the Architectural Mission and Vision of the United States Air Force and Hill Air Force Base:

United States Air Force Mission:

To fly, fight and win...in air, space and cyberspace.

United States Air Force Vision:

The United States Air Force will be a trusted and reliable joint partner with our sister services known for integrity in all of our activities, including supporting the joint mission first and foremost. We will provide compelling air, space, and cyber capabilities for use by the combatant commanders.

We will excel as stewards of all Air Force resources in service to the American people, while providing precise and reliable Global Vigilance, Reach and Power for the nation.

Hill Air Force Base Architectural Mission:

To provide a physical, functional and visionary support to the Mission of the United States Air Force.

Hill Air Force Base Architectural Vision:

• Provide structures that reflect strength, integrity, safety and respect to surroundings, users and the general public.

in design.

The mission and vision statements above should be referenced and used at all times when a project is being designed.

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This document shall be used in conjunction with the current International Code Council publications, ABA Accessibility Standard for Department of Defense Facilities (ABA-DoD), Anti- Terrorism/Force Protection, and other publications as noted. It shall be used in combination with Whole Building Design Plans (wbdg.org) focusing on:

The ACP defines six architectural settings, or Groups: Industrial Complex, Administration/Support, East Side Development, Falcon Hill Nation Aerospace Research Park, UTTR (Oasis Compound) and Little Mountain. Maps showing the extent of these areas are provided. Groups may contain one or more building types, listed below, sometimes adjacent to one another.

Designs for all buildings within a Group must be compatible with nearby adjacent buildings, site characteristics and context, regardless of building type.

The Installation Development Plan (separate document) refers to Planning Districts on base, which closely correlates with some of these Architectural Setting Groups. The Group descriptions reference the Planning Districts that relate to the particular Group.

General and specific design standards for all buildings are included in the Building Types section. There are 5 types of buildings generally found on base: Industrial Buildings, Office/ Support Buildings, Storage Buildings, Ancillary Buildings and Housing (Dormitories).

Specific guidance on design elements, materials, fenestrations, interior design, sustainability and landscaping is given in the Design Standards section.

The Implementation Section defines methods to facilitate the coordination and approval of design submittals. It outlines key elements to ensure success in designing and constructing excellent facilities. It discusses the traditional design process, highlights the importance of site analysis, and describes the role of the Architectural Review Board (ARB).

The Appendices provide additional information including acceptable building materials and colors, landscape materials, Architectural Conceptual Details, examples of Acceptable vs.

Prohibited Designs and examples of Architecturally Significant Buildings. Use the Appendices in conjunction with the general

HOW TO USE THIS PLAN

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ARCHITECTURAL SETTINGS

THIS PLAN APPLIES TO 6 ARCHITECTURAL SETTINGS, OR GROUPS OF BUILDINGS:

Group 1: Industrial Complex

Group 2: Administration/Support

Group 3: East Side Development

Group 4: Falcon Hill National Aerospace Research Park (Falcon Hill)

Group 5: UTTR (Oasis Compound)

Group 6: Little Mountain

INDUSTRIAL COMPLEX 1

INDUSTRIAL COMPLEX 2

ADMINISTRATIVE / SUPPORT

EAST SIDE DEVELOPMENT

FALCON HILL

GROUP 1: INDUSTRIAL COMPLEX

The Industrial Complex of buildings encompasses aircraft hangars and maintenance facilities, on the west side of the flight line, north of Wardleigh Road, and the warehouse facilities west of F Avenue, incorporating the Missile And Munitions Storage (MAMS) area. These areas are identified in the Installation Development Plan as the Industrial, Air Field and Munitions Districts.

Group consists of existing and new facilities directly related to mission functions:

• Aircraft and vehicle maintenance buildings

• Aircraft hangars

• Administrative facilities

• Warehousing

• Munitions Maintenance and Storage Buildings

• New buildings and renovations shall conform to the standards for Industrial Type buildings.

• Other building types are also occasionally located in this Group, such as Administration Types and Ancillary Types. These types of buildings shall conform to the standards for their respective buildings, but shall also be sensitive to the adjacent architecture and context.

• Buildings in the Munitions Assembly, Maintenance & Storage (MAMS) area are industrial buildings and primarily shall be designed to the standards for industrial buildings.

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GROUP 2: ADMINISTRATIVE/SUPPORT

The Administrative/Support Group of buildings is located in the heart of the base, near its southern edge. It is bounded by 3rd Street on the north, Southgate Road on the east, the base boundary on the south, and F Avenue on the west. The area totals approximately 174 acres. This area includes most of the major Commercial and Community Service facilities related to support functions and base personnel, such as the Fitness Center, Medical Clinics, unaccompanied Housing and Visitor Quarters, and the Education Center. The commissary, theater, dorms, chapel, and other such buildings are also included in this group. This area is identified in the Installation Development Plan as the Community District.

Group consists of existing and new facilities directly related to mission support functions:

facilities)

• Dormitories, firefighting facilities

• Administrative facilities

Building Types.

• The goal of the Administrative/Support Group is to provide grouped, accessible

parking and pedestrian walkways.

• Other Building Types are also occasionally located in this Group, such as Industrial and Ancillary Types. These types of buildings shall conform to the standards for their respective buildings, but shall also be sensitive to the adjacent architecture and context.

GROUP 3: EAST SIDE DEVELOPMENT

The East Side is bordered on the north by the old alert area, on the east by the base eastern perimeter, on the south generally by Hubbard Golf Course, and on the west by the main runway and its associated imaginary surface.

The eastern perimeter may be expanded to include off-base land to accommodate new requirements. The East Side is planned to accommodate a number of functions in the future, although its primary focus is and will be depot-level aircraft repairs/maintenance and upgrades. This area is identified in the Installation Development Plan as the East Side District.

• Group consists of existing facilities directly related to mission functions:

- Aircraft maintenance buildings

- Aircraft hangars

- Aircraft Support Buildings

- Administrative facilities

- Warehousing & Storage

• Other building types are also occasionally located in this Group, such as Administration Types and Ancillary Types.

These types of buildings shall conform to the standards for their respective buildings, but shall also be sensitive to the adjacent architecture and context.

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GROUP 4: FALCON HILL NATIONAL AEROSPACE

RESEARCH PARK

In response to the installation’s need to replace 1.5 million Square Feet of inadequate facilities, Hill Air Force Base leased 550 acres of land to a private developer as part of the Enhanced Use Leasing (EUL) project known

project in Department of Defense history.

During the development of the EUL site, the existing Air Force tenants in the 1200 zone buildings will remain in place until new facilities can be constructed. Personnel

demolished.

scale, architecture and style of buildings may vary from the EUL, it is still preferable to match the materials, colors and glazing of the EUL to extent possible. Design may not conform with the compatibility standards for the rest of the base, as much as it needs to reflect the state -of-the-art architecture for commercial design, innovations and sustainability of the EUL. This area is identified in the Installation Development Plan as the EUL District.

• Other Building Types may also occasionally be located in this Group, such as Administrative, Industrial and Ancillary Types. These types of buildings shall conform to the standards for their respective buildings, but shall also be sensitive to the adjacent architecture and context of the Falcon Hill Development.

Group consists of existing and new facilities directly related to mission support functions:

• Primarily administrative buildings

The Falcon Hill Group also includes Historical Residential Buildings.

• Refer to Historical Preservation for requirements related to these buildings.

GROUP 5: UTTR (OASIS COMPOUND)

For the UTTR ( Oasis Compound ), all new design and construction must comply with the standards set forth for the specific building type required - in general for UTTR - industrial and administrative support.

Group consists of existing and new facilities directly related to mission functions:

• Administrative facilities

• Warehousing

• Munitions Maintenance/storage

• Storage

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GROUP 6: LITTLE MOUNTAIN

For Little Mountain, all new design and construction must comply with the standards set forth for the specific building type required

- in general for Little Mountain - industrial and administrative support.

Group consists of existing and new facilities directly related to mission functions:

• Administrative facilities

• Warehousing

• Munitions Maintenance/storage

• Storage

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BUILDING T YPES

INDUSTRIAL BUILDINGS:

These are typically large hangar buildings and their support structures, as well as maintenance, missile and munitions facilities. Primarily located in the Industrial setting of the Base and the East Side Development, but could occur anywhere.

• Design will primarily address and reflect the functional aspects of the building, but be smartly attractive in a military fashion.

• These buildings shall be a combination of masonry, metal wall panels or concrete panels. Typically, the administration portion of these type facilities shall be full height masonry. Masonry shall typically be split face CMU, or Atlas jumbo brick or a combination thereof. See Appendix 2 for Conceptual Details.

• Provide masonry wainscots at all buildings at minimum.

Wainscots shall be a minimum of 4’-0 height, but otherwise be proportional to the overall height of the building. Wainscots shall typically be splitface CMU.

• Do not use metal panels or concrete panels as the sole material for any structure for this type without ARB approval. In some areas of the Base where a small utility building is required, modular precast concrete buildings ( ex. “ Easi-set “ ) may be acceptable, but only with ARB approval and shall be strictly taken into the context of the location.

• Masonry accents such as honed CMU, jumbo brick -stacked bond or soldier course are acceptable. Smooth face CMU is discouraged and may only be used as accent with ARB approval.

Appendix 3 for acceptable fascia examples.

• Materials and Colors shall comply with Appendix 1:

Materials and Colors.

• Consider using non-reflective, light colored walls and roofs to reduce solar gain.

• Light color roofs are preferred, although, dark may be considered.

• Landscaping - see Appendix 4: Landscape Plants, Materials and Irrigation for types of plants suitable for this area.

• Structure may be steel or concrete for wide span structures.

• Entrance and exterior exit canopies shall be designed to enhance entry/exit and integrate into the building overall architecture. See Appendix 3 for appropriate/ acceptable canopy types.

OFFICE/ADMINISTRATIVE/SUPPORT BUILDINGS:

Primarily located in, but not limited to, the Administration Support setting. Includes Community Facilities such as the commissary, theater, dorms, fitness facilities, chapels, and other such buildings.

• Consider massing, scale and proportions befitting of a human scale.

• Design shall be aesthetic looking, reflect the function of the building, be welcoming and inviting.

• Buildings shall be brick, and/or split-faced CMU or a combination thereof. Use full-height solid masonry.

• Colors shall comply with Appendix 1: Materials and Colors.

the scale, architecture and style of buildings may vary from the EUL, it is still preferable to match the materials, colors and glazing of the EUL to extent possible.

• Earth berming (3:1 slope maximum) is encouraged for these buildings, both for aesthetics and energy savings. Refer to Appendix 3 for examples.

and accompanying canopy.

• Landscaping - see Appendix 4: Landscape Plants, Materials and Irrigation for types of plants suitable for this area.

• Use pathways, canopies, landscape and exterior furnishings to visually reinforce and enhance the entrance to the building.

shall be used.

• Daylight shall be maximized in all office buildings.

• Sun control shall be considered as part of the design of the building.

• Roofing and roofline design in this group shall have a higher level of articulation than simply utilitarian. See Appendix 3 for Acceptable vs. Prohibited examples.

• Canopy for the main entry to the building shall be designed and integrated into the overall building architecture to provide a strong sense of entry. See Appendix 3: Acceptable vs. Prohibited Designs.

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• Other materials such as metal panel, EIFS, stucco, Trespa or similar shall be considered on a case by case basis. But, the primary palette shall be masonry (split-faced CMU or jumbo brick, or a combination thereof).

STORAGE BUILDINGS

Primarily located in, but not limited to, the Industrial complex setting of the Base.

• Design shall reflect the function of the building, but be smartly attractive in a military fashion.

combination thereof.

• CMU Wainscot on metal wall panel buildings shall be minimum of 4’-0 height, but otherwise be proportional to the overall height of the building.

• Colors shall comply with Appendix 1: Materials and Colors.

• Landscaping - see Appendix 4: Landscape Plants, Materials and Irrigation for types of plants suitable for this area.

ANCILLARY STRUCTURES

These buildings are located in all Architectural settings of the Base.

These structures include, but are not limited to: pavilions, bus shelters, smoking shelters, small storage buildings, temporary trailers.

• Designs for these structures shall be consistent in color, material, shape, form and proportion – all across the Base in order to provide continuity in the outdoor spaces and reduce visual clutter.

• See Appendix 3: Acceptable vs. Prohibited Designs for good/bad examples of these type structures.

• All proposed ancillary structures shall be reviewed and approved by the Architectural Review Board (ARB) before procurement and installation. Typical procedural approval is through the Base AF 332 review process.

Coordinate the siting of all ancillary structures with each other and adjacent buildings.

• Use non-weathering, corrosion resistant permanent materials.

• Landscape ancillary structures consistent with larger structures.

• Integrate the structure with landscaping, and other site elements.

(AFI) 32-1021 Chapter 6.

• Minimize the use and number of storage buildings, and consolidate in low-visibility areas.

• Colors shall comply with Appendix 1: Materials and Colors.

PAVILIONS

• Locate pavilions centrally among several facilities to create multipurpose use.

• Construct new pavilions with brick columns and low-sloped gable, standing seam metal roofs at high-visibility locations.

• Use manufactured pavilions in low visibility locations with ARB approval only.

• Wood gazebos are not allowed.

PASSENGER WAITING AND SMOKING SHELTERS

• Provide a combination of pre-finished metal, glass and standing seam metal roof.

• Provide glazing front and back to allow for views and wind protection for the user.

• Use brick pavers or scored pavement patterns as accent.

KIOSKS

• Locate kiosks at high public use areas such as shopping areas, housing areas, and recreation areas.

• Design kiosks with metal roofs, brick, wood and precast concrete details compatible with surrounding architecture.

TEMPORARY STRUCTURES

Temporary Structures include trailers or temporary storage spaces – Consult Architectural Review Board (ARB) for temporary structures.

Tuff sheds (or temporary storage – small usually 10’ x 10’) are a frequent occurrence across the Base.

• Tuff sheds shall be designed and detailed in accordance with Appendix 2: Architectural Conceptual Details.

No other alternatives shall be acceptable. Also, see Appendix 3 for Acceptable vs. Prohibited Designs.

• Locate temporary structures among several facilities to create multipurpose use.

• All Tuff sheds require ARB approval and shall be submitted for approval through the AF Form 332 on-line system. The ARB should be engaged very early on in the design process with the vendor to insure that Base Architectural Standards are met circumventing needless misunderstandings, delays and unwelcome additional costs at a later date.

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HOUSING (DORMITORIES):

Housing dormitories are located in the Administration/ Support setting of the Base.

• These are mid-density buildings that house enlisted personnel.

• Dormitories should include community spaces.

Buildings.

• Carefully consider using forms and proportions to create an inviting structure that relates to the human scale.

• Every unit shall have natural daylight.

• Brick shall be the primary exterior material.

soffits.

• Colors shall comply with Appendix 1: Materials and Colors.

• Roofs shall be standing seam metal.

• Landscaping - see Appendix 4: Landscape Plants, Materials and Irrigation for types of plants suitable for this area.

HISTORICAL:

These buildings are located primarily in the Administration/ Support setting of the Base, as well as in the Falcon Hill setting of the Base.

• Designs for these structures shall match the adjoining adjacent structures in style, detailing, shape & form. See Photos this page for typical matching architecture.

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DESIGN STANDARDS

Design standards for buildings and supporting elements are outlined in this section. These standards encourage architectural compatibility using common forms, materials, colors, and architectural details. The goal is to design excellent facilities that satisfy all of these priorities.

• The first priority is to achieve architectural compatibility for Hill Air Force Base as a whole.

• The second priority is compatibility within an architectural setting or Group.

• Outstanding designs for individual buildings or facilities are the third priority.

Hill AFB has a foundation for architectural unity. The existing architecture depicts a predominant materials palette and a consistency of material detailing.

• Building setbacks and the scale and definition of space are as fundamental to creating architectural compatibility as consistent fascia designs. Always provide a minimum building setback of 30’-0 from street level access unless dictated otherwise by ATFP standards.

• Develop exterior spaces to promote pedestrian use and activity and to connect buildings and the landscape.

• Use the landscape with other visual elements to create greater continuity.

• Develop a strong relationship between buildings and exterior spaces.

• From parking lots to front entry: Consider a clear pedestrian path, use of delineated pathways, sufficient lighting and accessible routes.

• Providing Pedestrian connections between buildings is also imperative.

• Buildings should be oriented to meet the best solar exposure possible.

ARCHITECTURALLY SIGNIFICANT BUILDINGS

Buildings of significance require a higher level of design articulation in the exterior look of the building than simply meeting the Base Architectural Design Standards. The Base Architectural Design Standards are required to be met as a minimum baseline. However, the architectural features described in this book are to be combined, articulated, accentuated and taken to a higher level of overall design pronunciation or expression—in order to meet what would be considered to be an “Architecturally Significant Building”.

Metal buildings, in and of themselves, are not buildings of significance, nor are simple rectangular buildings with gable roof designs.

Buildings of significance shall be defined by building angles, recesses, roof overhangs, varying roof line and fascia elevations, earth berms, incorporated daylighting, clerestories, large window expanses (floor to ceiling), articulation in varying wall fascia facing materials (split face, smooth face, honed, coursing), use of metal wall panel in selected locations and pronounced major entry with associated landscaping. Not all of the above may be required or necessary, but enough of the above shall

The ARB (Architectural Review Board) shall review all “Architecturally Significant Building” designs at the 35% design review meeting. Submittal requirements shall include the following:

• Site plan showing parking, sidewalks and landscape design intent

• Rendered (colored) exterior elevations—minimum of two sides (front major entry and secondary)

• Bird’s eye perspective showing the best overall view of the building typically looking at the main entry area

• Color board—having actual material samples of all proposed exterior facing materials

ANTI-TERRORISM / FORCE PROTECTION

Anti-Terrorism design must be incorporated into and coordinated with the Architectural design of buildings as required. Refer to United Facilities Criteria (UFC) 4-010-

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01 and UFC 4-010-02. Contact 75 SFS/SFS/S5X for further information @ 801 777 6155 or 801 777 1868.

BUILDINGS

Achieving compatibility among buildings is essential in creating an Architecture of Community.

• Develop facilities with a common design theme and character to enhance architectural compatibility.

• Unity is the goal, not conformity.

Style / Form

• Emphasize horizontal proportions on building elements.

• Use clean, simple, contemporary forms and avoid curves or angular elements in plan.

• Develop a strong relationship between buildings and exterior spaces.

• Articulate building fascias to create areas of shade and shadow. Create shadow lines at overhang and window sills.

• Use masonry detailing as accents in walls combined with sloped roofs and modest eaves.

Scale / Massing

• Reduce the monumental appearance of large structures by developing smaller massing components.

• Combine functions whenever possible to avoid a proliferation of small independent structures.

• Break up the mass of large structures to allow for slope roofs to the maximum extent.

• Lower the apparent height of hangars and warehous-es by modulating building elevations with sub-masses, clerestories, openings, material changes, and architec-tural detailing.

• Avoid large, flat fascias.

Existing Buildings

envelope is included, or prohibited by SHPO.

• Whenever possible bring existing facilities into compli-ance.

WALL SYSTEMS

Walls provide the principal details and architectural features for buildings. These contribute significantly to the character of the base. Limit the palette of materials that is to be used and integrate landscape berming when it is appropriate. Consistent use of colors and materials will bind the base together and reduce visual clutter caused by too much diversity.

• Use primarily split face CMU with honed CMU or brick for accent. Brick accent shall be used as a soldier, header, rowlock, sailor or similar brickwork pattern to achieve accent.

• On large facilities such as storage or industrial type facilities use a combination of masonry or concrete and metal wall panels. Simple corrugated metal wall panels may be used only with ARB approval.

• Vents and louvers are to match the color of adjacent surfaces or shall otherwise be Dakota Brown.

• See Appendix 1: Materials and Colors for base standard colors for wall materials.

• See section on Sustainability, especially as related to Air Barriers.

Concrete:

• Concrete can be used as an emphasis on foundation & base of a building.

• Concrete may extend to window sills – especially with the use of bermed walls. See Appendix 3 for acceptable examples.

wall.

Brick:

Brick is widely used in Utah.

• A standard running bond brick with standard tooled joints is recommended in most cases. However, a stacked bond is acceptable for accent purposes.

(soldier, rowlock etc.)

• Header, rowlock and soldier coursing over openings are encouraged.

• Joint sealants in brick shall match mortar color. When adjacent surfaces are the same color use a darker joint sealant in the same color.

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- Reduce all soluble alkali sulfates.

- Use good details to prevent water from entering the masonry.

- Use good construction practices to eliminate migratory paths for moisture.

- Refer to Appendix 1 for acceptable brick types and dimensions.

Thin Brick:

• Thin brick may be considered for use with Architectural Review Board(ARB) approval only.

• Thin brick shall be detailed according to Appendix 2:

Architectural Conceptual Details.

CMU Block:

• Split-faced, honed and regular faced block are acceptable.

• All CMU shall have an integral water repellent admixture mixed into the manufacture of the CMU.

• Regular face block may only be used as an accent – see Appendix 1: Colors and Materials.

• Provide accent features with slight reveals in the wall plane surface, or by use of bands of color or texture to add scale and proportion to the wall.

Metal Panel:

Insulated metal panel and un-insulated metal panels are permitted on base as follows:

• Insulated metal sandwich panels shall be used on major industrial buildings, such as hangars and major repair facilities. Major facilities are defined as buildings which are occupied daily on a regular basis for the purpose of conducting business, either repair, logistical, administrative or similar.

• Metal panel with batt insulation backup with interior liner panel is acceptable on buildings considered less than “major,” typically industrial buildings not occupied most of the time and located in low visibility areas of the Base.

Shall be with ARB approval only.

• See section on Sustainability for Air Barrier require-ments.

• Uninsulated metal panels are only acceptable where no interior heating or cooling or otherwise interior environmental control is required - typically storage buildings which are not occupied on a regular basis.

• Proportions, scale, direction of metal panels, etc.

shall be discussed and approved by the ARB.

• Exposed fasteners (screws) are not acceptable for either roof or wall panels except by ARB approval only.

Kynar 500® or equal. Silicone applications are not acceptable.

• Do not use metal panels as the sole material for any structure – refer to Building Types.

Exterior Insulation Finish System (EIFS):

EIFS is not typically preferred as a skin system for buildings on Hill AFB, except with ARB approval. If used, the following materials shall be provided:

• Primer/Sealer: to protect substrates from moisture penetration and to improve the bond between substrate and insulation adhesive.

• Insulation Adhesive: Factory-mixed non-cemen-titious formulation designed for adhesive attach-ment of insulation to substrates.

• Molded, (Expanded) Rigid Cellular Polystyrene Board Insulation (EPS)

• Reinforcing Mesh

• Base-Coat Materials: Factory-mixed non-cementitious formulation of polymer emulsion adhesive and inert fillers that is ready to use without adding other materials.

• Primer: EIFS manufacturer’s standard factory mixed, elastomeric-polymer primer for preparing base-coat surface for application of finish coat.

• Finish-Coat Materials: Factory-mixed formulation of polymer-emulsion binder, colorfast mineral

• Provide reveals, control joints (for crack control) and other similar delineation features in EIFS to break up large wall expanses.

details are required to be used for all EIFS systems.

Stucco:

This material in and of itself is not acceptable. Stucco must be used in conjunction with a “system” such as EIFS. See Appendix 2: Architectural Conceptual Details. This system is not a Base Standard and is only authorized with ARB approval.

Architectural Precast Concrete/Glass Fiber Reinforced Concrete (GFRC):

structures.

• Other fascia elements made of precast should be used sparingly, to ensure that brick, CMU and/or metal - as the case may be - remains the prominent material.

• Natural is the standard color for precast concrete.

• Detailed designs and patterns shall be cast into the pieces to create an individual character for a single facility or complex.

• Site-cast components require ARB approval.

• GFRC is an acceptable material system, with ARB approval, including color selection, finish and detailing.

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- Proportions, scale, direction of panels shall be discussed and approved by HAFB Project Manager.

- GFRC shall be installed in a rain screen type system.

- Consideration shall be given to detail around windows and doors.

Other Materials

• High performance laminates, such as Trespa, used for exterior cladding may be considered by the ARB on a case by case basis.

Accents / Detailing

• Major facilities in high visibility areas shall demon-strate a greater application of detailing. High visibil-ity areas are the Administrative/Community group, Falcon Hill (EUL) and the Eastside Development.

• Architectural accents such as lintels, sills, belt courses, pilasters, and columns or other contextual details are encouraged to break up flat façades and add visual interest.

Wall Components

• Organize and coordinate placement of all mechanical, electrical, lighting, communication and other building components.

• Integrate vertical components such as downspouts and control joints into the overall organization.

• Do not expose conduits, cables, and piping on walls. Provide Architectural details of how to incorporate these elements into the wall architecture.

• Electrical / communication boxes shall match the wall surface color on which the equipment is mounted.

ROOF SYSTEMS

In Utah it is not uncommon to see pitched roofs as a dominant form of the built environment. The pitch is a result of heavy snow loads and a simple solution to shed such loads. Pitched roofs work well at a certain scale. Architectural roof slopes & shapes shall be discussed very early on in the design process (35% design stage or before) with the HAFB Project Manager and the ARB.

Roof form, material, and color are prominent features and play a significant role in architectural compatibility across the Base Architecture.

Roof submittals shall include calculations for wind uplift and associated fastening details. Roof submittals shall be

Roof Configuration:

less than 1:12 on Hill AFB. Metal roof is preferred for any roof slope 3:12 and greater. For roof slopes 3:12 or greater, a “ batten “ seam shall be acceptable – properly designed and detailed in accordance with NRCA standards and the UFGS guidespec for metal roofs. Roof slopes in between 3:12 and 1:12, shall be metal. However, a structural double locked standing seam (meaning mechanically hand seamed) shall be provided. All roofs, whether membrane or metal, shall be designed in accordance with NRCA standard details at minimum (manufacturer’s standard details are acceptable as long as they are similar to NRCA) and in accordance with the applicable UFGS guidespecs

– which will include the roof type, metal flashing, exterior carpentry and sealant – all separate sections.

SMACNA is also required for all roof designs.

• Gable, cross gable, hip, cross hip, saltbox, shed or low slope roofs or a combination thereof are acceptable for

many buildings on Base, especially in the case of metal buildings.

buildings by ARB approval only. See Appendix 3 for what is considered acceptable and what is considered prohibited for roof fascia & soffit trim.

See Appendix 2 Standard Conceptual Details for acceptable fascia and soffit trim depictions. This level of detail is especially required in the Administrative/ Support, Eastside Development, Falcon Hill and portions of the Industrial Complex. See Appendix 3 for acceptable eave and rake trim details for metal buildings.

• Typical bituminous built up roofs w/ multiple felt layers and gravel topping are not acceptable.

• Membrane roofs shall not have a slope less than ½ in 12.

1:12.

• Refer to latest version of UFC 3-110-03 for further guidance.

• Other SPM (single ply membrane) roofs shall be considered on a case by case with ARB approval.

standards.

• Provide screening for rooftop mounted equipment (See Appendix 3: Acceptable vs. Prohibited Design for acceptable configurations)

• Provide fall protection on all sloped roofs

• Divert water away from building entrance and pedestrian walkways.

• Protect entrances and exterior exit doors from falling snow, ice and rain by way of canopies.See Appendix 3 for acceptable designs.

• Provide snow guards at entrances and when sidewalks are next to a building. Snow guards shall be mechanical compression type only. Adhered, or tape-applied, guards are not allowed. No roof penetrations are allowed for snow guards.

Materials and Color

• For metal roofs, 16” wide panels with a 1-1/2” high seam is the Base Standard.

• Roofing color shall be Base Standard (See Appendix 1:

Materials and Colors).

• Fascias, and soffits shall match the roof color.

• Roof flashing rake and trim shall match the roof material and color.

• Stepped flashing at the intersection of roofs and walls

02- 01-201931 shall match roof color.

• Metal roofs less than 3:12 shall be standing seam metal - machine seamed with a mechanical seamer.

• Membrane roofing is preferable for low-sloped roofs.. Refer to building types. A typical 20 year manufacturer warranty + a 2 year installation warranty is required.

Façades, Gutters and Downspouts

• It is preferable to design buildings without the need for gutters and downspouts. Where roofs are designed without gutters and downspouts, water shall be directed away from the building by roof overhangs and landscape river rock at the base of the building perimeter.

• Provide properly proportioned, continuous turn-down standing seam metal fascia or fascia panels for all roofs. See Appendix 2 Standard Details and Appendix 3: Acceptable vs. Prohibited Design for acceptable examples.

• Fascia finish shall match the roof material and color.

• Gutters and downspouts on sloped roofs are required for all areas where roof water would otherwise drop on pedestrian walkways, and entrances regardless of building size.

• Provide calculations for gutter and downspout sizing and associated structural support details. Provide calculations with 35% design submittal.

• For design not requiring gutters and downspouts, provide a minimum of 5’-0” wide river rock all around the perimeter of the building. See Appendix 1 - for examples of acceptable river rock.

• Provide heat cable, routed in the gutter and downspout for the entire length.

• Heat cable system shall incorporate a control panel with integral contactors accessible inside the building.

• The control panel can be activated manually, or with a snow / ice sensor.

• All systems shall conform to the requirements of Underwriters Laboratories (UL).

• All systems shall be installed in conformance with Article 426 of the National Electrical Code

Roof Vents, Mechanical Equipment Roof Curbs and Elements

• Minimize, consolidate, and organize roof penetrations on the least visible side of the building.

• Ridge vents are preferred. Louver grilles at gabled end walls are acceptable.

match the roof color. Mechanical roof pits are not allowed.

• Consider the use of dormer vents to conceal and screen exhaust fans.

• Make mechanical vent sizes and shapes consistent with architectural elements.

• Avoid roof-mounted antennas.

• Mechanical equipment curbs (roof mounted) shall be prefabricated, one piece construction. Seamed curbs with exposed joints are not acceptable.

• See Appendix 3 - Acceptable vs. Prohibited for acceptable options

ENTRANCES

Entrances act as a transitional element from exterior to interior and provide opportunities to create a focal point on a fascia. They establish

General

• Ensure the building entrance is clearly visible and highlighted as a prominent feature.

• Projected entrance features with gabled or hipped roof forms are preferred.

• Create enclosed vestibules and weather protected transition spaces at entrances.

• Integrate handicapped ramps into designs.

• Integrate indirect lighting at building entrances.

Primary Entrances

• Shall be clearly…