Facility Excellence Plan_08.pdf

TABLE OF CONTENTS

I N T R O D U C T I O N

Purpose Audience Organization Use Implementation

S E C T I O N 1

General Contracts Cost Estimating Permits Construction

S E C T I O N 2

Sitework

Civil Water/Waste/Storm Systems

S E C T I O N 3

Site and

Landscape

Development

Overall Objectives Design Theme General Installation Standards Tree and Landscape Instructions Protected Trees Tree Removal Permit Enforcement

C H A P T E R 4

Exterior

Architectural

Compatibility

Overall Objectives Installation-Wide Standards

S E C T I O N 5

Interior Design

Overall Objectives Design Development Design Execution Standards

S E C T I O N 6

Structural

S E C T I O N 7

Mechanical Facility HVAC Matrix General Design Analysis Heating, Ventilating, and Air Conditioning Structures Identification Spare Parts and Tools Documentation Mechanical Specifications Energy Testing and Balancing Plumbing

S E C T I O N 8

Electrical Interior Fire Protection Exterior Communications

A T T A C H M E N T S

A B C D E

Landscape Plant List Interior Design Materials Selection Charts Electrical Identification Nameplates Sign Standards Acknowledgments

F A C I L I T Y E X C E L L E N C E P L A N

Prepared by the 325th Civil Engineer Squadron and The Air Force Design

Group

325th Civil Engineering Squadron 119 Alabama Ave.

Tyndall Air Force Base, Fl. 32403 and

The Air Force Center for Environmental Excellence 1008 Arnold Dr.

Brooks Air Force Base, Texas 78235

Introduction i

Introduction

Note to Reviewers:

The intent of this document is to provide the framework for a living document subject to further development and updating.

Purpose chieving architectural compatibility requires careful planning and articulation of standards. The purpose of the Facilities Excellence Plan (FEP) is to establish and document installation-specific standards and provide a tool to assure these standards are consistently applied. The FEP strives to recognize the cultural, environmental, climatic and existing facility conditions peculiar to Tyndall AFB, and define the appropriate styles, finishes, materials and furnishings to be used to achieve the best facility life-cycle costs and still retain the appropriate environment for people to achieve their highest productivity and efficiency.

A

The FEP promotes aesthetically pleasing design and cohesiveness while eliminating the existing visual confusion and imbalance. It provides an information and assessment tool for key military and civilian personnel who make decisions regarding facilities or are responsible for procuring or maintaining elements of the installation’s built environment. It is intended to facilitate decision-making regarding building exteriors, building interiors and furnishings, landscaping and other site amenities.

The FEP supports the goals and objectives of the Air Education and Training Command (AETC) Guide to Installation Excellence. The guide states that installations will be developed in a manner that maximizes mission accomplishment, optimizes existing facilities, and provides the most efficient, professional surroundings possible. The FEP serves as an integral tool, along with the General Plan, for achieving facility and installation excellence at Tyndall AFB.

Audience The primary audience of the FEP is for individuals involved in all phases of the facility delivery process. This includes programmers, planners, designers, project managers, design agents, A-E consultants and constructors.

Introduction ii

The secondary audience is the installation leadership as it becomes a tool to chart a course towards installation excellence and provides a means to assess the installation’s progress in achieving that end.

Organization The FEP has been organized to promote ease of use, the ability to be updated and expanded. The following sections describe the primary areas addressed and how they are organized.

Exterior Architectural Compatibility Facility exteriors are the basis for the most lasting impression of an installation. This impression results from the relationship between scale, massing, proportion, texture, color and many other elements. To achieve excellence, these elements and their interrelationship to new construction or renovation projects should be blended to enhance the facility’s exterior appearance with the natural surroundings.

Exterior architectural compatibility for Tyndall AFB is addressed by establishing standards that apply installation-wide. These standards promote and strengthen a unified, consistent appearance and level of quality for facilities throughout the base.

Interior Design Compatibility The variety of functions on Tyndall AFB requires many different and unique facilities to support the programs and people. This presents a challenge for designers regarding quality standards, use of materials, functional requirements and budget limitations.

Standardizing interior building finishes throughout the Tyndall AFB facilities establishes a benchmark of desired results. The establishment and consistent application of standards helps ensure facilities keep their architectural integrity and interior scheme as functions change.

Interior design compatibility is addressed in the FEP by first discussing the overall objectives and approach to interior design for Tyndall AFB. This serves to establish the basis for the identified standards. The function of the facility and its level of use direct the standards for interior finish materials. Further guidance is provided for specific functional areas within a facility.

Landscape Development Landscape architecture is the art and science of designing exterior areas to improve visual appeal and functionality. It is one of the most effective means of improving the appearance and unity of an installation. Quality landscape design and implementation also improves the quality-of-life for our people and visitors.

Landscape development standards are first addressed at the installation level. These standards, including a plant list, irrigation, maintenance, site furnishings, paving, signs, Introduction iii utilities and fencing/screening, provide a means for improving continuity throughout Tyndall AFB.

Additional standards are provided for various development areas and site-specific conditions. A hierarchy of streetscape development is also established that corresponds to both vehicular and pedestrian traffic patterns.

Use The FEP can be utilized at all stages of the facility delivery process from programming through construction, and even operations and maintenance. It is essential that the FEP be provided to the design agent and A-E consultants early in the design process to assure that the entire design team understands the applicable design standards and objectives for the project.

Implementation In order to ensure the FEP is followed as projects are conceived, designed, and constructed, a single person at the installation is designated as the Facilities Excellence Coordinator. This person reviews all projects, which alter the appearance of the installation, for conformance with the FEP. The coordinator annually updates the FEP to ensure that it reflects the most current design objectives and standards for Tyndall AFB. The FEP has also been written to simplify the understanding of architectural compatibility concepts as well as to provide specific information to use when performing routine maintenance, renovating the facilities, or procuring new furniture. This specific information will make implementing the plan a natural part of the day-to-day and long range business of operating the 325th Civil Engineering Squadron.

Introduction iv

Contracts The following bullets will be incorporated into the contract documents as well as Tyndall’s standard General Requirements in Attachments.

• Specifications for projects involving work on the airfield and flightline will incorporate language that contractors must comply with restrictions outlined in the Bird Airstrike Hazard (BASH) Plan and our standard airfield restriction language.

• A special clause is required for merchantable timber if site clearing includes trees. The Natural Resources Flight will provide guidance.

• If Government furnished equipment is to be provided to the contractor provides delivery date, location, where it will be stored, who will assemble, install, test and operate.

• Restrict the contractor’s staging areas in the contract documents to indicate main sites or the specific construction site. This may require the contractor to double handle materials and/or present time restrictions on how long he could store materials at remote locations prior to installation. Sites shall not be cleared specifically for material storage. Contractor staging can occur in prepared parking areas.

• Ensure the contract specifies that the contractor will maintain the job site in a neat and orderly manner including grounds maintenance (i.e., grass cutting) and clean up of the site at the end of each day’s work.

• Specify the maximum practicable amount of recovered materials, consistent with performance requirements, availability, price reasonableness, and cost effectiveness. Consider energy conservation, pollution prevention, and waste reduction to the maximum extent practicable

• Existing buildings on Tyndall AFB may contain asbestos and/or lead paint.

Include testing and results for all designs.

General 1-1

• Refer to Section 3, Site and Landscape Development, for clauses requiring specific contract actions and submittals.

• Tyndall’s standard General Requirements section will be used in all contracts.

See Attachments.

Cost Estimating

• If estimate is above authorized funding, identify recommended options to reduce Current Working Estimate /Project Amount (CWE PA) in the design submittal package.

• Provide cost estimates with all design submittals for review. When applicable, refer to cost estimating information available through the following internet site: http://www.afcesa.af.mil/directorate/ces/civil/costengr/histbook.pdf

• Refer to Section 3, Site & Landscape Development, for landscape planting requirements. Planting and irrigation requirements shall not be cut to accommodate high CWE’s.

Permits

• Assure permits are coordinated with federal, state/local agencies and host base environmental. These include sewer, domestic water, storm water, cut and fill, National Pollutant Discharge Elimination System (NPDES), construction permits, irrigation and tree cutting for construction.

• The A-E shall determine the required clearances (permits) required from the authorities. The following special clauses will be included in the project specifications: The government will obtain local construction permit for disruptions of aircraft or vehicular traffic, disruptions of base utility services, or installation which requires subsurface excavation; contractor must coordinate planned interruption to utility services; and contractor must stockpile merchantable pine lumber for pickup by the Air Force forestry contractor.

Construction

• Assure construction phasing is addressed. Provide recommended construction time with every submittal to reflect any changes.

• Identify construction staging area. If site is congested, provide supplemental staging.

General 1-2

• Tyndall AFB has a year round construction season.

• Address screening of construction area for safety and aesthetics.

• All construction debris shall be identified and dealt with according to specifications.

• Refer to Section 3, Site & Landscape Development for information about site, clearing, material storage, and landscape protection.

General 1-3

General 1-4

Sitework

Civil General

• Empty conduits will be placed at strategic locations beneath all new paved areas for future requirements. This will be coordinated with the Base Pavements Engineer and the Communications Squadron.

• Swales should be used where possible for stormwater treatment. Do not create wet retention ponds without the base’s written concurrence. A/E must follow Florida Standard 62-25 Florida Administrative Code. Refer to Section 3, Site & Landscape Development for additional information.

• Tree removal and replacement - refer to Section 3, Site & Landscape Development.

• Coordinate traffic flow with Base Civil Engineer (BCE) Office. Ensure building and parking area does not fall within the explosive clear zone. Use of yellow paint striping on curbs is prohibited. Handicap pavement markings will be blue and the parking striping adjacent to the symbol will be blue.

• Investigate proper limits of explosive clear zones. Obtain Quantitative Distance (Q/D) zones and building corner coordinates in writing from 325th Fighter Wing Safety, as required.

• Keep slopes as flat as possible, but still provide for adequate runoff. Use paved flumes where runoff is concentrated off parking lots and roads.

• Ensure that adequately sized service drives and turnarounds are provided for maintenance vehicles.

• Ensure that refuse collection pads with privacy screens are sized and provided with necessary access to accommodate the large vehicles. The concrete pad should extend beyond the front of the dumpster enclosure to absorb the punishment of the loading garbage truck. Ensure access is straight into dumpsters and provides for safe, easy backing and turnaround. Refer to Section 3, Site & Landscape Development for dumpster enclosure standards.

Sitework 2-1

• Ensure irrigation plans match site and planting plans to avoid irrigating pavements, buildings and chillers.

• Investigate geotechnical requirements with unusual soils (landfills and previously completely undeveloped areas). For soil density tests, three tests minimum of all lab work. All test results will be reported in writing to the Contracting Officer. Soils will be identified, designed, and installed using MIL-STD-619B and MIL-STD-621A (Unified Soil Classification System).

Compactive efforts and tests will use the American Society for Testing and Materials (ASTM) for identification. Do not use the American Association of State Highway and Transportation Officials (AASHTO) designations.

• Jack and bore all utilities that must go under existing pavements. Provide for enough depth to avert road damage.

• Trenching across tree roots will not be tolerated. Refer to Section 3, Site & Landscape Development for policy and guidelines.

• Ensure that sufficient ground cover is provided for load protection of buried lines.

• Ensure that provisions are made for locating nonmetallic buried pipes.

• Soil conditions at Tyndall AFB are very sandy and are not stable on steep slopes, making them subject to severe washouts. Site drainage off pavement concentrates sometimes flows without provision to stabilize slopes. Provide flumes where runoff is concentrated off pavement and flatten slopes as much as possible.

• Typical soil profile for the base: Soil is typically (SP) to 9‘ in depth. There are no known expandable clays in the area. Do not use clay except to provide for minimal cohesive properties.

• Water table depth: The ground water level will fluctuate with the weather, tide, and seasons; but will generally range from 2‘ to 5‘ in depth. On the airfield, ground water occasionally may be found at the bottom of the pavement.

• Ensure that proper actions are taken to control erosion and storm water runoff.

Rigid Pavements

• Check that design provides for joints to be spaced not greater than 20’ for repairs to existing pavements and 12’6” for new pavements. Joint patterns will

Sitework 2-2 be square in all but matching or radii configurations. Joint patterns for repairs shall match the existing pavement.

• Joint width should be a minimum of ½” regardless of joints seal types; i.e., preformed or field poured. Joint widths less than ½” have not performed satisfactorily.

• Neoprene compression seals are initially more expensive than filed-poured sealants but have a longer performance life. They will be used on all new pavements. Silicone joint seal will be used on repairs to existing pavements.

• Metal joints inserts are not to be used on Air Force pavements.

• For airfield pavements, specifications used in highway construction will not be allowed. Only the most recent Tyndall or Corps of Engineer Guide Specifications will be used. Specifications must provide for testing of joint sealant by an Air Force approved laboratory to ensure that they meet applicable federal or ASTM specifications. Make sure tests adequately reflect true field conditions.

• For airfield pavements, sizing and geometry decisions will not be made without referring to AFI 32-1024, AFI 32-1026, TM 5-825-2/AFM 32-8008 Vol. 2, Rigid Airfield Design (RAD v1.0) computer-aided design program, or the Air Force Civil Engineering Support Agency (AFCESA) Airfield Pavement Evaluation for Tyndall AFB, dated May 1995.

Flexible Pavements

• Streets, parking lots, sidewalks shall be designed in accordance with TM 5-

822/AFM 88-7, Chapter 1, AFJMAN 32-1019, MTMCTEA Pamphlet 55-17, and FDOT Roadway and Traffic Design Standards, dated January 1994.

• Ensure that curb and gutters are provided on streets and parking areas to contain traffic and protect pavement edges. Design shall be similar to the major portion of those existing on base or use details from FDOT (types E and F, section 300).

• Ensure that the proper type of pavement is designed for areas subject to kerosene, gasoline, or oil spillage. Portland cement concrete should be used to minimize surface deterioration. In areas subject to acid spillage, an acid resistant coating should be applied to PCC pavement.

• Pavement thickness will be 2” asphalt/6” limerock, minimum. If necessary, the thicknesses may be greater. All asphalt used in paving shall be Performance Grade Asphalt of at least PG 70-22. Crushed Florida

Sitework 2-3 limerock/limestone (FDOT section 200) will be used as a stabilized aggregate base course.

• Roadway lane widths will be 12’. Parking stalls will be 9’ (12’ or 13’ for handicap). Parking lots will be laid out at 90 degrees unless space does not permit. The parking lot lane widths will be set in a 18’ -24’ -18’ -18’ -24’ -18’ pattern. The entrance radii to parking lots may not be less than 15’. Above 20’ is preferred. This allows cars to quickly and easily enter and leave traffic. On roadways, try to provide 45 feet radii where possible (especially for truck traffic).

Water/Waste/Storm Systems General

• Check fire flow test data for quantity/pressure requirements. Test data cannot be more than twelve months old.

• Pipelines/Utilidors/Manholes: Manholes shall be 36” in diameter. Manhole spacing shall not exceed 300 LF. All junctions shall be in manholes. Water and sewer lines shall be apart on paralleled lines with sewer lines below water lines. Line crossings shall be separated 6’ with potable lines on top. Sleeves shall be used under roadways. Maximum/minimum depths of cover: The minimum depth shall be 18” and the maximum depth due to the high water table shall be 48”. Long force mains shall have air relief. Check valves shall be installed at the discharge of all lift station pumps.

• Check with Base Civil Engineering Office for determination of water and sewer permitting requirements. All sewage generated on Tyndall AFB except Military Family Housing is pumped into a wet well located at the base of the old sewage plant. The sewage is then pumped to Panama City’s Advanced Waste Water Treatment Plant, located on Military Point. Housing sewage is pumped directly into the 16 “ force main from lift station 13 to the force main located across from Boy Scout Road.

• Locate backflow devices away from curbs and screen from view. Shrubs and plants make good screens.

• Provide adequate access with walkways and stairs to equipment and tank sidewalks for maintenance and cleaning.

• Ensure that pipes and valves are color-coded and have flow direction arrows.

• Ensure that sufficient sampling taps are provided throughout the system for adequate testing and process control.

Sitework 2-4

• Cathodic protection should be considered for all buried pipelines.

• Trenching across tree roots will not be tolerated. Refer to Section 3, Site & Landscape Development for policy and guidelines.

Water and Water Distribution

• Water Supply Treatment Requirements: The only treatment for Base potable water is chlorination. With new EPA Regulations we may need further treatment at each well.

• Well details and data will be provided to allow for later servicing, repair, and redevelopment.

• Potable water storage facilities will be designed to prevent stagnation of the water.

• Looped systems are used if at all possible.

Waste and Waste Water Distribution

• Flow Capacity: The Bay County Advanced Waste Water Treatment Plant

(construction completed in 1999) with tertiary treatment provides a capacity of 10 million gallons per day (MGD).

• Through 1999 the wastewater flow and available design capacity for treatment average a daily flow of 1 MGD.

• Minimum collector line sizes: 8”, 6” in housing areas.

• Manholes with a minimum diameter of 3’ shall be provided. Cleanouts shall be provided on all building tie-ins.

• Emergency power connections shall be provided so standby generators can be used in the event of power failure.

• Manholes and tanks will have ladders that are securely anchored to the wall.

• Black iron will not be used for ladders or handrails, etc. Ferrous metals exposed to sewage gases should be galvanized.

• Traps and separators will be provided to prevent oil and grease from entering the sewage system.

• Drains from sources that have possible oil or grease contamination will have satisfactory separator units.

Sitework 2-5

Lift Stations

• A study shall be made of the lift station serving this area to ascertain that it can handle any additional load. Calculate sewage flow all the way to the main lift station to ensure all lift stations are adequately sized.

• Each station shall be equipped with dual pumps and motors to provide full standby in the event of one failure. An exhaust system shall also be a part of the lift station to be used when maintaining the station.

• Controls shall be mounted with a weatherproof control panel located aboveground.

• Extra manhole capacity shall be provided to give additional storage in the event of power failure.

• Dual submersible pumps with automatic alternating lead pump controls with a manual override.

• Adequate wastewater storage for short power outages of maintenance down time.

• Easy access for maintenance personnel and pump replacement provisions.

• External switch provided for quick connection of mobile emergency generator and a drain valve located such that a portable pump could be connected to drain the well.

Storm Drainage

• The existing site drainage is done by swales and percolation. The designer shall be responsible for all permits required for construction projects.

• Design Precipitation: Use zone 1 of Rainfall Intensity-Duration-Frequency Curves from the FDOT Drainage Manual.

• Check with Base Civil Engineer’s office for use of a central retention pond system. This is not commonly used.

• Refer to Section 3, Site & Landscape Development for additional information.

Sitework 2-6

Site & Landscape Development

Overall Objectives The visual environment at Tyndall AFB has a profound impact on the perceptions visitors and assigned personnel have about the base. Site and landscape development has an enormous impact on installation appearance and energy conservation and as such shall be included as an integral part in all facility designs and construction/renovation projects. Successful development of site and landscape designs that use low maintenance materials and minimize impacts on the environment contribute to an enhanced working environment, an improved public relations profile, and more efficient staff performance in pursuit of the installation’s mission.

The overall objective for site and landscape developments is to achieve a positive image and level of quality through visual compatibility and unity.

The guidelines contained in this section are provided to plan a direction for site and landscape development on all projects at Tyndall AFB. Considerations that address perceptions of the landscape and the visual condition of the installation are provided as design guidance. These guidelines are to be used in support of the guidelines set forth in the Base Master Plan, Base Landscape Plan and the USAF Landscape Design Guide. All facility designs shall be reviewed for content, accuracy and completeness, and approved by the base Landscape Architect prior to implementation.

Design Theme The design theme can be summarized by the following elements:

Integrate Existing Components - The placement, arrangement, and composition of elements within a landscape can have a major impact on the visual quality of an area.

Consider elements including buildings, paved areas (sidewalks, streets, parking lots), street furniture, signage, and plant materials. Arrange these elements in an integrated and coordinated fashion and then relate them to the land use and circulation to positively impact the visual quality and functionality of an area.

Enhance Existing Assets - Identify and preserve existing areas on the installation that are well landscaped and/or visually attractive. Benefits can be derived with the integration of these areas with proposed landscape improvements.

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Consider Aesthetic Impacts - Improve the aesthetic and visual quality of a site by the effective placement of landscape materials (including plant materials, hard surfaces, furniture, fences, signage, etc.). Use plant materials to reduce the scale of large buildings while at the same time softening the lines of a building. Use plant materials to introduce color, texture, and form to the environment.

Non-planting Aesthetic Considerations - Locate in areas that are away from direct view from building entrances, windows or from passing vehicles or pedestrians such items as transformers, HVAC chillers, meter boxes, backflow prevention valves, loading docks, trash dumpsters, raised drainage inlets, and other facility elements of an industrial/utility nature.

Consider Mature Sizes of Plants - The potential mature size of plants must be considered in a landscape design. Improper selections create problems along building foundations where plants have overgrown window and door openings. This condition creates a negative visual image and also requires additional site and/or building maintenance.

Consider the Level of Landscape Development - The location and land use of a particular site determines whether a formal or informal landscape design is appropriate. Areas where a formal design and layout are appropriate include gates, administrative areas, street intersections, and occasionally street corridors. Informal arrangements typically favor open spaces, wooded edges, and housing areas.

Establish Theme Along Primary Vehicle Routes - Provide mature canopy trees along vehicle routes and corridors to help better define its space. Plan for trees to be planted in tree lawns with sufficient distance between the edge of the road and the sidewalk but still provide shade for the pedestrian. Canopy trees should be planted no closer than 10' away from the edge of the road, unless the road is curbed. Sidewalks should be placed directly adjacent to the road edge or 8’ to 10’ away to discourage planting strips that are only 12" to 24" wide.

Incorporate Planned Planting with Existing Vegetation - Where possible, retain existing wooded areas and replace woods that may have been removed under other projects or maintenance requirements. Manipulation of these edge zones should include the addition of shrubs and small ornamental trees to help improve the appearance.

Manipulate Views - Buildings that face the high volume vehicle and pedestrian traffic shall incorporate foundation landscaping for all sides. Emphasis should be given to the treatment along the high visibility sides. Loading docks within the view shed of high traffic areas shall be screened.

Parking Areas - Screen from view of vehicle and pedestrian traffic using low berms and planting. Parking lots should be constructed no closer than 15' to the edge of any

3-2 street. No drainage swales associated with the parking should be located between the street and parking lot.

Street Intersections - Provide street intersections with special attention. More formal planting can occur at each corner where trees, shrubs, ground covers and signage are integrated. Maintain proper setback to insure a driver’s line of vision is not obscured.

General Installation Standards Designs that exemplify a positive image and level of quality can be attained by considering and implementing the following guidelines:

• Highlight important building entrances with landscaping.

• Match plant characteristics (size, shape, color, texture) with their appropriate site context.

• Create shrub massing and establish naturalistic forms with sweeps of plant materials where possible to replace the existing technique of single-spaced shrubs.

• Integrate the built environment into the natural landscape. For example, form retention ponds into free form basins that replicate natural features.

• Frame important views with landscape planting.

• Screen undesirable views with shrub and tree plantings in conjunction with berming (such as parking areas, fuel tanks, utility yards, etc.).

• Use a select group of plants from the approved plant list when incorporating plant material. Plant materials shall be suitable for climatic conditions found in Northern Florida.

• Incorporate landscape designs that are compatible with the architectural styles and colors of the buildings found at Tyndall AFB.

• Establish levels of landscape developments based upon the intensity of activity being conducted in the area. For example, reserve formal developments for key administration, ceremonial grounds, community support facilities and primary vehicular routes. Correlate medium and low intensity sites and landscape development with facilities and collector circulation roads with a lesser intensity of use. The occurring frequency of site amenities, development and landscape plantings should directly correlate with the importance and priority of the area and circulation route.

3-3

• Use landscape development to enhance traffic circulation patterns and facility development patterns. Pedestrian paths should maintain consistent landscape and site features along the length of the path. Appropriate site amenities focused on pedestrian needs and tree planting for shade are the unifying elements.

• Establish landscaped areas at appropriate buildings or sites to convey the importance of the activity that takes place there.

• Create appropriate landscaped areas at facilities and spaces that are most frequently seen by visitors.

• Incorporate site amenities such as plazas, entry courts, and sidewalks at buildings most used by personnel on a daily or special event basis.

• Emphasize the use of native plants that can be obtained from local nurseries.

• Encourage the growth and development of areas containing natural canopy and understory plants where it is appropriate.

• Minimize the design of landscape developments that require intensive landscape maintenance practices.

• Utilize irrigation only for landscaped areas that occur in high profile areas.

• Minimize mowing requirements in tree clusters by replacing grass with understory trees, shrub beds and mulch.

• Encourage the use of recycled water for irrigation where appropriate.

• Promote areas that can be returned to the natural state. Establish maintenance zones that identify areas of high, medium, and low maintenance.

• Locate shade trees along pedestrian paths, outdoor gathering areas and throughout parking lots.

• Create outdoor spaces with plant materials that direct cooling breezes.

• Expand existing wooded areas where appropriate with native canopy and understory plants.

• Create animal corridors by establishing areas away from the flight line with diverse native plant material. Minimize bird sanctuaries from around the flight zone.

3-4

• When possible, the Designer shall preserve or reuse as much of the existing vegetation as possible. Sites will not be clear-cut for the expedience of construction nor the creation of storage material nor staging areas.

Demolition

• Storage of materials, parking of POV’s or equipment, and stockpiling of soils or overburden around and under trees and shrubs is not acceptable. Vegetation that is to remain on the site shall be protected from injury to bark, branches and root systems.

• Vegetation damaged by the contractor shall be repaired in accordance with acceptable horticultural practices or replaced with comparable materials (size, type, quantity) and in a location as determined by the base Landscape Architect.

Substitutions must be approved by the Landscape Architect.

• Removal of any tree over 4" diameter measured at breast height caliper (BHC) requires approval by AETC/CE. All new project listings that call for tree removal must be approved by AETC/CC prior to design completion and start of construction.

Refer to section Landscaping Requirements for further information on protected trees and tree replacement policies.

• Berming shall be used as a standard method of greenbelt buffer treatment to delineate edges of exterior spaces and create visual barriers between activities and areas.

Earthwork/Berming

• Berming and earthwork shall be integrated into parking lot peripheral visual screening treatments. Side slopes shall not exceed 3 to 1 grades, and maximum top elevation shall not exceed 5' n height. Do not design berms with greater than 4:1 slopes as they dry out and erode.

• Appropriate erosion control and groundcover treatment to side slopes shall be incorporated on all earthwork areas.

• AE must follow Florida Standard 62-25 Florida Administrative Code.

• Keep slopes as flat as possible to minimize erosion.

Use paved flumes where runoff is concentrated off parking lots and roads.

Slope Protection & Erosion Control

3-5

• Include the use of vegetation as an alternative to armored embankments as a means of slope protection and erosion control. Primary vegetation for slope protection of swales shall be solid sod. Use Bermuda, St. Augustine or Centipede grass in irrigated and high profile sites and Bermuda in all other areas.

• Spray weeds and grass in areas designated for planting beds with systemic herbicide (such as Roundup). Re-apply as needed.

Soil Treatment

• Spread pre-emergent herbicide on prepared shrub bed areas after planting and prior to installing mulch material. Pre-emergent shall not be used in areas that are to be seeded with grass and flowering annual plantings.

Common pavement for general pedestrian traffic shall be concrete with applied broom finish. Sidewalks to entrances of command facilities and community buildings can be exposed aggregate or pavers to accentuate the facility entrance.

Paving and Surfacing

• Use pavers in lieu of groundcover or lava rock in the interior of parking areas to avoid plant stress due to pedestrian trampling. The expanses of paver pavements in parking areas and plazas shall be broken every 15 l.f. with a large canopy tree and tree grate installed flush with the surrounding pavement.

Unit Pavers & Accessories

• Support edges of paver pavements with concrete curbing or metal edging developed for that purpose.

• Use pavers installed on concrete as special feature crosswalks at major pedestrian/vehicular intersections.

• General finish of most concrete walks shall be broomed finish that runs perpendicular to the direction of pedestrian traffic.

Concrete Paving

• Use of pavers, exposed aggregate concrete or non-slip quarry tile at primary entrances to major facilities is acceptable if within budgetary constraints.

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• Create utility corridors and place utilities in common trenches to minimize the impact and confusion of trenching across sites. The most direct route is not necessarily the best choice.

Utilities

• Do not trench across roots of trees not scheduled for removal. Hand dig utilities under tree roots. Contractor (and Architect/Engineers) shall be held responsible for replacement of trees damaged by trenching operations.

• Locate utility valves, boxes, meters, fire hydrants and other industrial type fittings and fixtures away from the front sides and entrances to facilities. Screen those items that cannot be located away from view. Exception to this action would be post indicator valves for fire water lines. These will be directly visible for inspection purposes, but can be painted to visually blend into the background.

• Use tactile warning markers such as “wash board” ribbing installed perpendicular to pedestrian flow in sidewalk ramps at curbs and intersections.

Pavement markings

• Identify handicapped parking by painting the handicap symbol on the pavement.

Avoid the visual clutter of post or curb mounted handicapped signs at each slot (verify with Americans with Disabilities Act standards).

• Irrigation backflow preventers shall be located in unobtrusive locations away from direct view (i.e., mechanical yards).

Water Taps

• All applicable permits and metering devices shall be applied for and supplied in accordance with the Environmental Flight requirements.

• Use swales where possible for stormwater treatment.

Do not create wet retention ponds without the base’s written concurrence. AE must follow Florida Standard 62-

25 Florida Administration Code.

Ponds and Reservoirs

• Integrate the built environment into the natural landscape. For example, form retention ponds into free form basins that replicate natural features.

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• There shall be no mixing of shallow well irrigation systems and any systems also using potable water.

• Design and adjust installed systems to not spray on vertical surfaces or over pavements. Use bubbler type nozzles or drip irrigation systems in shrub beds near buildings and walls.

Irrigation Systems

• Irrigation sprinkler heads shall be at least 6' from edge of asphalt pavement where no curb is present. Mount heads on flex pipe to lessen damage by vehicle impact.

Control valves and boxes must be 6' from edge.

• Ensure that all pop-up heads are plumb and flush with finish grade.

• Provide for a pressure test of the main line at full operating pressure for one hour that provides for not more than 5-PSI loss.

• Irrigation system shall be designed for 100 percent coverage, 50 percent (minimum) overlap, and matched precipitation rates on each zone.

• The irrigation system shall include a one-year materials and labor guarantee and maintenance.

• Pop-up spray heads as well as rotor heads shall be Toro, Rain Bird, Hunter, K- Rain, or approved equal. Control wire is to be marked in each valve box to identify that zone it controls.

• Valve boxes shall be durable plastic with black or gray-green covers (never bright green, metal or concrete).

• Irrigation controllers shall be solid-state type with non-volatile memory and/or rechargeable nickel battery.

• Use SCH 40 PVC pipe in conjunction with Black "Funny" Flex pipe for swing joint connections to sprinkler heads. No hard piping of heads should be allowed.

• All tees and elbows must be installed horizontally underground.

• Timer must be wheel type, not a digital.

• Flow gauge must be installed on outlet side of pump near or at pump location (Florida EPA and Base Environmental requirements).

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• Any pipe and wires must be sleeved under sidewalks and roads.

• Mount a hose bib vertically on the top of the pump.

• Each zone must have a different color wire to help in identification of which wire controls which valve.

• Provide control system with a rain override device - Rain and Bypass Switches shall be from Toro, Rain Bird, Hunter, or approved equal.

• Pumps shall be sized to adequately power the irrigation system. Pump-start relays to be 220 V. Provide a 220 V~60 amp enclosed molded case switch (rainproof, unfused) next to pump-start relay as a kill switch.

• Provide minimum cover of 18" for pressure main line and 12" for lateral. Install control wires in the same trench as the pressure main to help CE crews locate the mains underground.

• Lateral lines may be installed over main lines. Provide minimum 18" clearance to top of sleeve from bottom of pavement when installed under pavement.

• Provide accurate as-built record drawings (full size) and a reduced, laminated copy for the inside of the controller.

• Either a rain and ground moisture sensor install on automatic irrigation system.

Irrigation times and duration shall be set to the base standard.

• Fencing and dumpster enclosures for aesthetic purposes shall include brick, architectural concrete block, or stuccoed masonry to match or blend with the style or type of adjacent building construction.

Fences/Dumpster Enclosures

• Wood fencing is not appropriate.

• Benches and tables shall be wood or plastic coated metal construction and located in areas of high probable use, including building entries, pedestrian nodes and walkways.

Site Furniture/Benches

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• Orient seating to user needs for socializing and relaxing, provide pleasant setting and minimizing sun exposure.

• Furniture shall typically be anchored.

• The trash receptacles shall blend with the architectural style of the adjacent facility by using materials that are visually compatible to the facility facade. A prevalent installation trash receptacle is the concrete or exposed aggregate unit with top.

Trash Receptacles

• Any alternate trash receptacle style must be approved by Civil Engineering.

• Incorporate planting or screen fencing around pavilions to blend them visually with the supported facility.

• Architectural compatibility of these structures will help unify the base character as well as create community identity.

Pavilions

• Bike racks should be provided in community and commercial project and near buildings where there are a high number of bicyclists such as the dormitory area.

Bicycle Racks

• Bike racks should be located on paved areas, typically on unit pavers, where they will not impede pedestrian movement or block building entrances.

• A low profile, galvanized metal bike rack is recommended for use in all areas of the base. The base CE must approve bike racks.

• Tree grates should be used when installing trees in paved areas such as pedestrian plazas, walks and at entrances to buildings. Tree grates and planting pits should be a minimum of 5'x5'. Grates shall be painted cast aluminum or steel that is factory primed for application in the coastal conditions of Tyndall.

Tree Grates

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• Walkway bollards and lighted bollards need to remain consistent throughout the installation. Locate bollards as part of the sidewalk pavement such that they do not impede pedestrian movement.

Bollards/ Lighted Walks

• Do not place bollards as separate elements in grass areas so that they require individual trimming.

• Barbecue and picnic facilities, if existing or required, shall be located out of view or discreetly screened with planting materials or fencing.

Barbecue Facilities

• Exterior installation signs must clearly identify functions and direct people to their intended destination. Exterior and interior signs will have a standard installation format, color, and size as specified in applicable Air Force directives. (AF Sign Standards AFPAM 32-1097)

Signs

Install directional signs only where needed to guide visitors and new base personnel. Keep signs to an absolute minimum and maintain conformity with a building. Remove all unneeded signs that meet the above criteria.

See Attachment D for detailed signage criteria.

Handicapped Parking Signs Handicapped parking signs shall comply with AF standards. Only these signs will be required for designation of handicapped parking spaces. Painting of the handicapped symbol on the asphalt paving shall not be used.

Designated Parking Signs Signs shall be utilized to designate reserve space not to exceed 10% of allocated parking. Nomenclature will include either the approved designation i.e., VISITOR or a specific government official parking, i.e., SUPPORT GROUP COMMANDER.

Exterior Facility Signs Exterior signs shall meet Tyndall AFB and AFP 88-40 standards. Signs shall be placed near the primary entrance or in an area visible from the main access street.

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Building Number Signs Signs shall be in accordance with AFP 88-40 (soon to be replaced by AFPAM 32- 1097).

Traffic Controls Signs Traffic control signs shall conform to the Manual on Uniform Traffic Control Devices (Department of Transportation). Posts for traffic control signs should be aluminum and are to be painted. Backs of traffic control signs shall match Federal Standard Color #37769.

Directional Signs Signs showing the way to activities, buildings, or locations on the base must be constructed of reflective materials with white upper and lower case letter (Helvetica style).

Street Name Signs There will be one street sign for each street at intersections. Signs will not be mounted more than 15' from the cross street curb line. Signs will be mounted with the bottom of the sign not less than 7' above ground. Signs will have a standard width of 6". The length will determined by the number of letters in the street name, though signs will not be longer than 30". Colors will be white letters and border on engineer-grade brown background. Reflective materials will be used and shall conform to Fed Spec LS-300C. Street name letters and numbers will be 4" upper case. Conventional abbreviations for street (ST), avenue (AVE) and boulevard (BLVD) are acceptable except for the street name. Posts are the same as for traffic control signs.

• First plant selection should be large trees which will provide greater amounts of shade, require less maintenance, and visually have a longer lasting impact over smaller vegetation which is shorter lived and requires greater maintenance.

Landscape Planting

• Reserve smaller trees and shrubs for use adjacent to buildings to provide accent color and integrate the structures into the landscape. Assure security protocol is observed for landscape plantings.

• Use evergreen trees primarily to provide winter accent or buffer obtrusive views.

Tree plantings shall be massed in groups to provide visual impact. Individual and spotty-type plantings should be avoided since they increase maintenance requirements.

• Layout planter beds to allow mower access to all lawn areas that are adjacent to building walls. Design bed lines that have a radius not smaller than 5' wherever

3-12 possible. This provides for easy mowing and a more pleasing visual effect. Small lawn areas less than 3' wide adjacent to buildings should be avoided. Small planting islands in parking lots should be planted with groundcover, dwarf shrubs or paver units to reduce grass cutting.

• Incorporate trees into beds wherever possible. This reduces mowing around and damage to the trees. For trees that are in grass areas, provide a circle of pine needle mulch and edging approximately 5' in diameter.

• Edging shall be black anodized aluminum ¼" x 4" with stakes per manufacturer's instructions. Do not use black plastic edging, wood edging, landscape timbers or cross ties. In transitions to natural areas, use aluminum edging or trench cut and shovel tuck pine straw.

• Do not use plastic or fabric weed barriers. Use biodegradable blankets for short-term weed control until plantings become established.

• Mulch shall be Long-leaf pine straw distributed evenly over the planting beds to a minimum depth of 4". Inert materials such as lava rock, crushed stone or river rock are not acceptable mulch materials.

• Fertilize trees, shrubs, and groundcovers (after mulch is in place) with commercially available slow release fertilizer with an 18-6-12 ratio.

• Fertilizer for turf (after sod is down) shall be a commercially available organic lawn fertilizer with a 16-4-8 ratio. Weed and feed types of fertilizer are not acceptable.

• Landscape planting design shall emphasize low maintenance plants and materials.

• Provide for stabilization of slopes by planting of groundcover or sod.

• Place landscaping along roads and at intersections in order not to interfere with a driver's line of sight. Plant locations must respect a 200-foot field of vision for every 10 mph of vehicle speed.

• Provide adequate screen walls or landscape planting for exposed equipment, dumpster pads, transformers, etc.

• Provide soil tests that include pH, Potassium, Phosphorus, Calcium, Magnesium, Nematode Count, and Soil Amendment recommendation (N-P-K).

• Require a one-year warranty on all trees, shrubs, and groundcover and 30 day warranty for all turf.

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• Fill sand for landscaping shall be Clean Yellow Fill, No.4-200 Sand, with a pH of 5.5-6.6.

• Soil Amendment for Plants:

o Gro-Tone Bed Mix-50 lb. per 1,000 SF.

o Black Cow Manure-l00 lb. per 1,000SF.

o Gel-Scape Polymer-2 lb. per 1,000SF (not in turf).

o Post-Emergent Herbicide-Commercially available

• Guying for Tree -- Solid rubber guys with 24" stakes.

• Ninety days of maintenance for trees, shrubs, and groundcovers and 30 days maintenance for turf shall be included in the specifications.

• Use Tifton Bermuda 419 sod for developed grassed areas and Common Bermuda in remote areas unless otherwise requested by the Base. Sod all slopes.

• Use indigenous vegetation where possible. Do not use palm trees. Emphasize long-lived, hurricane resistant, native trees such as Live Oak, Magnolia, Hickory, and Bald Cypress. The recommended plant list represents plants that would normally be readily obtainable and hardy in the Tyndall AFB area. Use only plants indicated on the list in Attachment A.

Include a maintenance schedule in the specifications that details the work to be accomplished during the Warranty/Maintenance period of the landscape development. Items to include are:

Maintenance Schedule

Mowing

• Mowing shall be done on a regular basis as needed, but shall not be done less than once a week from May 1 through September 30, provided the grass is actively growing and is not subject to prolonged dry periods or in accordance with base grounds contractor contract specifications.

• Use of mulching mowers should be…