NAVFAC Design-Build Model Request for Proposal - Test

G20 GENERAL

G20 1.1 DESIGN GUIDANCE

Provide the design and installation in accordance with the following references.  This Performance Technical Specification (PTS) adds clarification to the fundamental requirements contained in the following Government Standards.  The general requirements of this PTS section are located in PTS Section Z10, General Performance Technical Specification.

G20 1.1.1 Industry Standards and Codes

AMERICAN SOD PRODUCERS ASSOCIATION (ASPA)

NATIONAL FEDERATION OF STATE HIGH SCHOOL ASSOCIATIONS (NF)

U.S CONSUMER PRODUCT SAFETY COMMISSION, PUBLICATION NO. 325

G20 1.1.2 Government Standards

U.S. GENERAL SERVICES ADMINISTRATION (GSA)

FS RR-F-191, Fencing and Wire and Post Metal (and Gates, Chain-link Fence Fabric, and Accessories)

CORPS OF ENGINEERS (COE)

TM 5-822-5, Pavement Design for Roads, Streets, Walks, and Open Storage Areas

NAVAL FACILITIES ENGINEERING COMMAND (NAVFACENGCOM)

Military Handbook, MIL-HDBK-1013/14, Selection and Application of Vehicle Barriers

UNIFIED FACILITIES CRITERIA (UFC)

UFC 1-300-09N, Design Procedures

UFC 3-200-10N, Civil Engineering

UFC 3-201-02, Landscape Architecture

UFC 3-210-04, Children's Outdoor Play Areas

UFC 3-220-01N, Geotechnical Engineering

UFC 3-270-01, O&M: Asphalt Maintenance and Repair

UFC 3-270-02, O&M: Asphalt Crack Repair

UFC 3-270-03, O&M:  Concrete Crack and Partial Depth Spall Repair

UFC 3-270-04, O&M: Concrete Repair

UFC 3-800-10N, Environmental Engineering for Facility Construction

UNITED FACLITIES GUIDE SPECIFICATIONS (UFGS)

32 11 26.16, Bituminous Concrete Base Course

32 11 36.13, Lean Concrete Base Course

32 11 33, Cement Stabilized [Base] [Subbase] Course at Airfields and Roads

32 11 30, Lime Treated Subgrade [Lime Modified Soils]

32 11 16.16, [Base Course for Rigid] [and Subbase Course for Flexible] Paving

32 11 24, Graded Crushed Aggregate Base Course for Flexible Pavement

32 11 16.13, Sand-Clay [Base] [Subbase] Course

32 12 17, Hot Mix Bituminous Pavement

32 13 13.03, Airfields and Heavy-Duty Concrete Pavement Less Than 10,000 Cubic Yards

32 13 13.06, Portland Cement Concrete Pavement for Roads and Site Facilities

G20 1.2 QUALITY ASSURANCE

G20 1.2.1 Qualifications of Tree Location Contractor

Contractor shall be a professional tree moving company holding landscape contractor's license in the state where the work is to be performed and have a minimum ten years of tree relocation experience. 

G20 1.2.2 Qualifications of New Landscape Contractor

Construction company shall hold a landscape contractor's license in the state where the work is to be performed and have a minimum five years of landscape construction experience. 

G20 1.3 PERFORMANCE VERIFICATION AND ACCEPTANCE TESTING

Compliance with the requirements will be determined by a review of the design and construction submittals and by field inspection.  See Section 01 33 10.05 20, Design Submittal Procedures, and Section 01 33 00.05 20, Construction Submittal Procedures, for additional requirements.

Verification of satisfactory performance shall be via Performance Verification, as detailed in this section of the RFP.  Verification of satisfactory performance shall also be via testing as detailed in the paragraph, Field Quality Control, in applicable UFGS Specification Sections utilized.

G20 1.3.1 Subgrade Preparation Performance Verification

Perform subgrade preparation in accordance with PTS Section G10.  If required by the Designer of Record, perform proof rolling.  Proof rolling shall be performed in the presence of the Contracting Officer.  Rutting or pumping of material shall be undercut as directed by the Contracting Officer and replaced with satisfactory soil materials as defined in Section G10, Site Preparation.

G20 1.3.2 Base Course Performance Verification

G20 1.3.2.1 Aggregate Base Course

1. Sampling:  ASTM D 75.
2. Gradation:  ASTM C 136.
3. Thickness:  Confirm in-place compacted thickness.  Acceptable tolerances are plus or minus 0.5 inches (13 mm).  One test for every 500 square yards (418 square meters); minimum 2 tests.
4. Density:  ASTM D 1556 or ASTM D 2922 and ASTM D 3017.  One field test for every 1000 square yards (836 square meters); minimum 2 tests.  ASTM D 1557, Method D; one laboratory test for the project.
5. Visual:  Surface shall be smooth with no ruts.

G20 1.3.2.2 Other Types of Base Courses

For other types of base courses, provide field testing in accordance with the SHS.

G20 1.3.3 Bituminous Concrete Pavement Performance Verification

1. Visual:  Finished surface shall be uniform in texture and appearance and free of cracks and creases.
2. Sampling:  ASTM D 979.
3. Job Mix:  Determine gradation and bitumen content.  One sample for every 400 tons (362,500 kilograms); minimum 1 test.
4. Thickness:  ASTM D 3549.  Confirm in-place compacted thickness.  Acceptable tolerances are plus or minus 0.5 inches (13 mm) for bituminous base course and plus or minus 0.25 inches (6 mm) for bituminous surface course.  One test for every 500 square yards (418 square meters); minimum 2 tests.
5. Surface Smoothness:  Test surface smoothness by using a 10 foot (3 meter) straightedge in transverse and longitudinal directions to pavement.  Acceptable tolerances are plus or minus 0.25 inches (6 mm) for bituminous base and surface courses.
6. Density: Conduct field density of in-place compacted pavement in accordance with ASTM D 2950 and correlated with ASTM D 1188 or ASTM D 2726.  One field test for every 1000 square yards (836 square meters); minimum 2 tests.  One laboratory test for the project.
   

G20 1.3.4 Portland Cement Concrete Pavement Performance Verification

1. Visual:  Finished surface shall be uniform in texture and appearance and free of cracks.
2. Sampling:  ASTM C 31M (ASTM C 31).
3. Thickness:  Acceptable tolerances are plus or minus 0.5 inches (13 mm). One test for every 500 square feet (418 square meters); minimum 2 tests.
4. Surface Smoothness:  Test surface smoothness by using a 10 foot (3 meter) straightedge in transverse and longitudinal directions to pavement.  The finished surfaces of the pavements shall have no abrupt change of 0.12 inch (3 mm) or more.
5. Strength:  Samples for strength tests of each mix design of concrete placed each day shall be taken not less than once a day, nor less than once for each 100 cubic yards (120 cubic meters) of concrete, nor less than once for each 5000 square feet (500 square meters).
   
   1)  Compressive Strength:  ASTM C 39.  Make five test cylinders for each set of tests.  Test two cylinders at 7 days, two cylinders at 28 days, and hold one cylinder in reserve.  Each strength test result shall be the average of two cylinders from the same concrete sample tested at 28 days.  If the average of any three consecutive strength test results is less than f'c or if any strength test result falls below f'c by more than 500 psi, take a minimum of three ASTM C 42/C 42M core samples from the in-place work represented by the low test cylinder results and test.  Concrete represented by core test shall be considered structurally adequate if the average of three cores is equal to at least 85 percent of f'c and if no single core is less than 75 percent of f'c.  Locations represented by erratic core strengths shall be retested.
   
   2)  Flexural Strength:  ASTM C 78.  Make four test specimens for each set of tests.  Test two specimens at 28 days, and the other two at 90 days.  Concrete strength will be considered satisfactory when the minimum of the 90-day test results equals or exceeds the specified 90-day flexural strength, and no individual strength test is less than the design strength.  If the ratio of the 28-day strength test to the specified 90-day strength is less than 65 percent, make necessary adjustments for conformance.
6. Remove concrete not meeting strength criteria and provide new acceptable concrete at no expense to the government.  Repair core holes with nonshrink grout.  Match color and finish of adjacent concrete.

G20 1.3.5 Concrete Joint Performance Verification

Install a test section of 500 linear feet (150 m) at start of sealing operation for each type sealant to be used.  Obtain approval of test section by Contracting Officer prior to installing additional joint seal.  Joint sealer that fails to cure properly, or fails to bond to joint walls, or reverts to uncured state or fails in cohesion, or shows excessive air voids, blisters, or has surface defects, swells, or other deficiencies, or is not recessed within indicated tolerances shall be rejected.  Remove rejected sealer and reclean and reseal joints.

G20 1.3.6 Topsoil Performance Verification

Prior to planting design, provide a commercial soil analysis.  Amend planting areas based on the soil test's interpretation, amendment type, and quantity recommendations (including soil nutrients and texture, with percentages shown).  Additional topsoil shall be used only in areas where soil analysis shows that the existing soil is inadequate for growth of plant materials.

G20 1.3.7 Final Inspection for Planting and Irrigation

Final inspection shall be made upon written request from the Contractor at least 10 days prior to the last day of the planting and irrigation Establishment Period.  The Landscape Contractor shall attend the inspection with the Contracting Officer and document the inspection.  The Landscape Architect-of-Record shall also attend the inspection and provide the Contracting Officer with a letter certifying that the planting and irrigation is installed per the plans and irrigation coverage is correct and appropriate for optimum plant survival.  At the end of the Establishment Period, remove all stakes and guy cables.

G20 1.3.8 Landscape and Irrigation Establishment Period and Guarantee

All transplanted trees, newly planted trees, shrubs, ground covers, turf, and irrigation systems shall be guaranteed for a period of one year after the Contracting Officer's final acceptance.  This acceptance, and the submittal of irrigation as-builts and controller charts, shall begin the Establishment Period.  All trees, shrubs, and ground covers that die or have 20 percent or more of their crowns that die during planting operations or the guarantee period shall be replaced with healthy plants of the same species or variety during the appropriate planting season. The Landscape Architect-of-Record shall, along with the Contracting Officer, attend, approve and document the start of the Establishment Period and document quarterly and final inspections.  During this period, the Contractor shall perform tasks which shall include, but not be limited to: watering, mowing, overseeding, fertilizing, mulching, pruning, weeding, eradicating pests (rodents, rabbits, insects, mammals and fungus), restaking, adjusting guy wires, adjusting irrigation systems, and replenishing mulch to assure all plant material is in a healthy and thriving condition or the Contractor shall replace plant material at his own expense.  Broadcast seeded or hydro-seeded areas that do not achieve the 95-percent coverage by the end of the Establishment Period shall be reseeded by the same method and be maintained an additional 120 days to ensure coverage requirements are met.  Turf shall be maintained in a manner that promotes proper health, growth, rich natural green color, and a neat, uniform, manicured appearance, free of bare areas, ruts, holes, weeds, pests, dead vegetation, debris, and unwanted vegetation that present an unsightly appearance.  Mow weekly during the growing season and remove excess clippings.

G20 1.4 DESIGN SUBMITTALS

Design Submittals shall be in accordance with UFGS section 01 33 10.05 20, Design Submittal Procedures, UFC 1-300-09N, Design Procedures, and UFC 3-200-10N, Civil Engineering.

In addition, UFGS sections listed below or in the body of the PTS text are to be used by the Designer of Record (DOR) as a part of the design submittal. If the UFGS products or systems are applicable to the project, the DOR shall edit these referenced UFGS sections and submit them as a part of the design submittal specification.  Edit the specification sections in accordance with the limitations stated in PTS section Z10, General Performance Technical Specifications.

32 11 26.16, Bituminous Concrete Base Course

32 11 36.13, Lean Concrete Base Course

32 11 33, Cement Stabilized [Base] [Subbase] Course at Airfields and Roads

32 11 30, Lime Treated Subgrade [Lime Modified Soils]

32 11 16.16, [Base Course for Rigid] [and Subbase Course for Flexible] Paving

32 11 24, Graded Crushed Aggregate Base Course for Flexible Pavement

32 11 16.13, Sand-Clay [Base] [Subbase] Course

32 12 17, Hot Mix Bituminous Pavement

32 13 13.16, Portland Cement Concrete Pavement for Roads and Site Facilities

G20 1.5 CONSTRUCTION SUBMITTALS

Provide product data for all exterior furnishings.

Submit construction submittals in accordance with PTS Section Z10, General Performance Technical Specifications.  In addition to the Z10 requirements, the Designer of Record (DOR) shall approve the following construction submittals as a minimum:

Provide product data for all exterior furnishings, field test reports.  transporting plan, and irrigation plan.

G20 1.5.1 Transplanting Plan

A transplanting plan shall be submitted for all projects which include transplanting trees.  The plan shall be submitted showing existing and proposed locations of transplanted trees.  The plan shall delineate methods and times for root pruning, digging, balling, removing, storing, transporting, planting, watering, and maintenance to ensure survivability.  The plan shall also include equipment, anti-desiccant, and pesticides to be used.  A listing of the plant material to be transplanted shall be provided by common name and botanical name as listed under "Nomenclature" in ANSI Z60.1; classification; caliper; and height.

G20 1.5.2 As-Builts

Submit a complete set of irrigation as-builts to the Contracting Officer, to include the recording of measurements onto a record set of full-size project irrigation plans.  Measurements shall locate water meters, pressure supply lines at 100 foot (30 m) intervals, backflow prevention devices, rain/freeze sensors, valves (including quick couplers and hose bibbs), controllers (and control wire, if routed separately from pressure supply line); all dimensioned from two permanent points of reference, such as building corners, sidewalks, and other permanent features.

G20 1.6 ANTITERRORISM (AT) STANDARDS

INCORPORATE THE MINIMUM AT STANDARDS INDICATED IN UFC 4-010-01, DOD MINIMUM ANTITERRORISM STANDARD FOR BUILDINGS.

G20 1.7 PROJECT LIMITATIONS

Prior to the start of design, the Contractor shall determine the exact limit-of-work line for the project periphery, considering items such as, but not limited to, utility work, landscape revegetation of disturbed areas, and laydown areas.  The Designer of Record shall determine limit-of-work lines.

G2010 ROADWAYS

G2010 1.1 PAVEMENT DESIGN

Provide geometric and pavement design, including minimum pavement sections, in accordance with UFC 3-200-10N, Civil Engineering, and the State Department of Transportation.  Provide pavement calculations in accordance with UFC 1-300-09N, Design Procedures.  Provide any required additional pavement design to provide a complete and useable facility.

For pavements subject to aircraft traffic or aircraft ground support equipment traffic consult Government Civil Reviewer for design criteria and requirements.  State Department of Transportation standards are not acceptable for airfield pavements.

G2010 1.2 PAVEMENT AESTHETICS

Provide surfaces consistent in color and finish.

G2010 1.3 LANDSCAPING

NOTE:  Coordinate with landscape architect.

Designs for streets and roads shall include adequate space for trees and other landscape material.

G2010 1.4 TRAFFIC CONTROL DEVICES

New traffic control devices (i.e., signsand markings) shall be provided and installed in accordance with the United States Department of Transportation Federal Highway Administration's Manual on Uniform Traffic Control Devices and their standard, "Rigid Sign Supports".  New traffic control devices shall also be provided along/in the existing streets adjacent to the project site as necessary to provide complete traffic control to the new facilities.

G2010 1.5 EXISTING UTILITY STRUCTURES

Existing utility structures shall be adjusted to meet the new finished pavement grades as required.

G201001 BASES & SUBBASES

NOTE: Where SHS are not available, utilize the first paragraph.  Otherwise, utilize the second and third paragraphs.

Prepare subgrade in accordance with Section G10, Site Preparation.   Geotextiles may be used for separation or reinforcement in accordance with manufacturer's instructions. Provide base course under paved areas in accordance with the State Highway specifications (SHS) in the state where the project is located.

Place base course in accordance with the SHS for that particular base course and in layers of equal thickness with no compacted layer more than 6 inches (150 mm) thick.  Compact base course at optimum moisture content to 100 percent ASTM D 1557 maximum dry density.

Where SHS are not available or applicable, the Designer of Record shall utilize the applicable UFGS Specification Sections referenced under paragraph 1.1.2 entitled "Government Standards" for the project specification.  Submit these specifications in edited form as a part of the design submittal for the project.

G201002 CURBS & GUTTERS

Provide concrete curbs and gutters in accordance with the SHS and standards or as specified in UFC 3-200-10N, Civil Engineering, whichever is more stringent.  Where the SHS do not include concrete materials for curbs and gutters, provide concrete in accordance with the applicable standard mix of the SHS for a minimum compressive strength at 28 days of 3500 psi (25 MPa) concrete.

G201003 PAVED SURFACES

Where SHS are not available or applicable, the Designer of Record shall utilize the applicable UFGS Specification Sections referenced under paragraph 1.1.2 entitled "Government Standards" for the project specification.  Submit these specifications in edited form as a part of the design submittal for the project.

G201003 1.1 PAVEMENT MIX

G201003 1.1.1 Bituminous Concrete Pavement

Provide bituminous concrete pavement in accordance with the applicable standard mix of the SHS based on the pavement design and vehicle loading indicated in this RFP.

G201003 1.1.1.1 Bituminous Concrete Placement

Bituminous concrete placement, including minimum temperature during placement, joints, and maximum lift thickness shall be in accordance with the SHS.  Compact bituminous concrete in accordance with the SHS, modified to 96 percent of maximum laboratory density.

G201003 1.1.2 Portland Cement Concrete Pavement

If reinforced, the welded wire fabric shall conform to ASTM A 185.  Bar reinforcement shall conform to ASTM A 615/A 615M, Grade 400 (Grade 60).

Provide concrete in accordance with the applicable standard mix of the SHS for the design strength plus any allowable deviations.

G201003 1.2 JOINTS FOR PORTLAND CEMENT CONCRETE PAVEMENT

Joints shall be in accordance with SHS and the applicable portions of TM 5-822-5, Pavement Design for Roads, Streets, Walks, and Open Storage Areas. Joints shall be installed in a manner and at such time to prevent random or uncontrolled cracking.  Joints shall form a regular rectangular pattern.  Wherever curved pavement edges occur, make joints to intersect tangents to curve at right angles.

G201003 1.2.1 Expansion Joints

Provide thickened edge expansion joints at the intersection of two rigid pavements.  Use preformed joint filler, ASTM D 1751.  Filler must be compatible with joint sealer material. Preformed joint filler shall be securely held in position during concreting operations.

G201003 1.2.2 Isolation Joints

Provide thickened edge isolation joints by placing a 1/2-inch (12 mm) preformed joint filler (ASTM D 1751) around each structure that extends into or through the pavement before concrete is placed at that location.

G201003 1.2.3 Contraction Joints

Joint lines shall be sawed within specified tolerance, straight, and extend for width of transverse joint, and for entire length of longitudinal joint.

G201003 1.2.4 Construction Joints

If an emergency stop occurs remove the concrete back to location of transverse joint and install a construction joint.

G201003 1.2.5 Joint Sealants

ASTM D 5893; Provide single component cold-applied silicone.  Silicone sealant shall be self-leveling and non-acid curing.

G201003 1.2.6 Preformed Compression Seals

Use performed compression seals in areas where silicone joint sealant does not perform, such as areas subject to water inundation, blasts, or constant/repeated fuel spillage.

ASTM D 2628.  ASTM D 2835, for lubricant.

G201003 1.3 PRIME COAT

Use prime coat in accordance with the SHS.  Prime coat shall be emulsified asphalt materials.

G201003 1.4 TACK COAT

Tack coat is required for bituminous pavement overlays and on vertical cut faces of pavement patches.  Tack coat shall be in accordance with the SHS.

G201003 1.5 PAVEMENT PATCHES

Provide pavement patches for existing pavements where required for installation of utility trenches.  Sawcut 12 inches beyond edge of trench. Thicknesses of pavement materials shall be equal to or greater than the existing pavement section.

For spalls or repairs of existing concrete pavement, perform repairs in conformance with UFC 3-270-03, O&M:  Concrete Crack and Partial Depth Spall Repair, and UFC 3-270-04, O&M: Concrete Repair.  Spall repair materials shall be either Rapid Setting Cementitious Concrete (RSCC), epoxy concrete, or polymer-modified Portland Cement (non-sag mortar) products specially formulated for spall repairs, with a proven record (in service at least three years) of satisfactory use under loading and environmental conditions similar to those at the location of intended use.  A manufacturer's data sheet and certificate supporting the satisfactory use shall be provided to the Contracting Officer with the design.  A product manufacturer's representative shall be present during the initial two days of product application to verify that manufacturer's instructions for use are adhered to.  The Contracting Officer shall be given 7 days notice prior to the initial application in order to be present.

G201004 MARKING & SIGNAGE

G201004 1.1 MARKING

Pavement markings shall be in accordance with the SHS.  Materials shall be designed for life expectancy of at least 3 years under an average daily traffic count per lane of approximately 9000 vehicles.  Water based paints shall have durability rating of at least 4 when determined in the wheel path area.

Provide a half-rate initial marking application on bituminous pavements.  Provide the remaining application at the end of the normal curing period.

G201004 1.2 SIGNAGE

Provide signage in accordance with the MUTCD.

G201005 GUARDRAILS & BARRIERS

G201005 1.1 GUARDRAILS

Provide guard (guide) rails in accordance with the SHS. Where the SHS do not include materials for guardrails, provide guardrails in accordance with the applicable portions of the AASHTO Roadside Design Guide.

G201005 1.2 BOLLARDS

Bollards shall be 4" diameter minimum steel pipe filled with concrete and embedded in a portland cement concrete foundation.  Bollards associated with passive barrier systems are specified in Section G204004, "Security Structures".

G201006 RESURFACING

Adjust rims of existing utility structures to match proposed grades after resurfacing.

G201006 1.1 SLURRY SEAL

ASTM D 3910 and in accordance with the SHS.

G201006 1.2 BITUMINOUS CONCRETE OVERLAY

Remove old pavement by cold milling to depths required to provide new surface and leave underlying materials intact.  Clean the pavement of excessive dirt, clay or other foreign matter with power brooms and hand brooms immediately prior to the milling operation.

Repair or replace damaged utility structures, valve boxes, or pavement that is torn, cracked, gouged, rutted, broken or undercut at no addition expense to the government.

Provide bituminous concrete overlay produced from hot or cold recycling of the milled material or from virgin materials in accordance with the applicable provisions of UFC 3-200-10N, Civil Engineering, and the standard mix of the SHS based on the pavement design and vehicle loading as indicated in this RFP.

G201006 1.3 CRACK SEALING

Fiber reinforced crack sealer shall be used for sealing cracks in asphalt pavement after milling and prior to resurfacing.  Crack sealing shall conform to the following requirements in UFC 3-270-01, O&M: Asphalt Maintenance and Repair, and UFC 3-270-02, O&M: Asphalt Crack Repair.

G2020 PARKING LOTS

G202001 BASES & SUBBASES

Refer to Section G201001.

G202002 CURBS & GUTTERS

Refer to Section G201002.

G202003 PAVED SURFACES

Refer to Section G201003.

G202004 MARKING & SIGNAGE

Refer to Section G201004. Provide water-based paints only.

Mark neatly to denote traffic lanes and parking spaces; mark in accordance with the requirements of UFC 3-200-10N, Civil Engineering.

G202005 GUARDRAILS & BARRIERS

Refer to Section G201005.

G202005 1.1 WHEELSTOPS

Provide precast concrete wheelstops.

G202006 RESURFACING

Refer to Section G201006.

G2030 PEDESTRIAN PAVING

Locate new sidewalks such that they maintain continuity of pedestrian traffic to and from the existing sidewalks adjacent to the site(s).

G203001 BASES & SUBBASES

Provide as required by local standards or geotechnical report; refer to Section G201001.

G203003 PAVED SURFACES

G203003 1.1 SIDEWALKS

Sidewalks shall be portland cement concrete pavement, 4 inches (100 mm) thick minimum.  Provide concrete in accordance with the applicable standard mix of the SHS for a minimum compressive strength at 28 days of 3500 psi (25 MPa) concrete.  Sidewalks shall be at least 5 feet (1.5 meters) wide, except that sidewalks connecting entry points of housing units to the housing unit's parking shall be at least 36 inches (900 mm) wide.  Use the maximum percentage of fly ash allowed in the applicable standard mix of the SHS.  In housing areas, offset sidewalks paralleling streets to maintain a minimum grassed separation of 5 feet (1.5 meters) from the back face of the curb to the closest edge of the sidewalk.

Provide a broomed finish.  Unless indicated otherwise, provide a transverse slope of 1/48.  Limit variation in cross section to 0.25 inch in 5 feet (6 mm in 1.50 m).

G203003 1.1.1 Joints

Provide contraction joints spaced at intervals equivalent to the width of the sidewalk.  Provide 0.5 inch (13 mm) thick transverse expansion joints at changes in direction where sidewalk abuts curb, steps, rigid pavement, or other similar structures; space expansion joints every 50 feet (15 m) maximum.  Provide isolation joints by placing a 1/2-inch (12 mm) preformed expansion joint filler around each structure that extends into or through the sidewalk before concrete is placed at that location.

G203003 1.2 CONCRETE PAVERS

G203003 1.3 HANDICAPPED RAMPS

Provide handicapped ramps of portland cement concrete pavement with a minimum compressive strength at 28 days of 3500 psi (25 MPa) and an exposed aggregate finish, truncated domes, or as required by the SHS at roadway intersections.

G203004 GUARDRAILS & BARRIERS

Refer to Section G201005.

G2040 SITE DEVELOPMENT

G204001 FENCING & GATES

G204001 1.1 CHAIN LINK FENCE

Aluminum fabric, posts or accessories shall not be used.

Chain link fence fabric shall be at least 9 gauge (3 mm) steel wire mesh material (before any coating) with mesh openings not larger than 2 inches (51 mm).  Install fence in accordance with ASTM F 567 and the manufacturer's written installation instructions.

G204001 1.1.1 Tensions Wires and Top Rails

Provide rails in accordance with FS RR-F-191/3, Class 1, steel pipe, Grade A.

G204001 1.1.2 Gates

Provide gates in accordance with FS RR-F-191/2 with posts and fabric as specified for fence.

G204001 1.1.3 Posts and Braces

Provide posts and braces in accordance with FS RR-F-191/3, Class 1, steel pipe, Grade A.  Each gate, terminal and end post will be braced with truss rods.

G204001 1.1.4 Fencing Accessories

Provide fencing accessories in accordance with FS RR-F-191/4.  If PVC coating is required, provide accessories with PVC color coating similar to that specified for chain-link fabric or framework.

G204001 1.2 ORNAMENTAL FENCE

G204001 1.3 SECURITY FENCE

Provide security fencing systems in accordance with UFC 3-200-10N, Civil Engineering, and this RFP.

G204001 1.3.1 Chain Link Security Fence

Provide chain link fence in accordance with paragraph G204001 – 1.1, excepted as noted otherwise.  Ensure that the fabric has twisted and barbed selvage at the top and bottom.  Do not provide top rails.  All posts and structural supports shall be located on the inner side of the fencing.  Outriggers shall be installed facing outward except when the fence must be mounted directly on the property line.

G204001 1.3.2 Signage

Provide signage at a minimum of 200 foot (61 m) intervals along the entire perimeter.

G204001 1.3.3 Drainage Culverts and Utility Openings

Provide protective measures to prevent access through culverts, storm drains, sewers, air intakes, exhaust tunnels and utility openings or across drainage ditches or swales.

G204001 1.4 OPENINGS IN PERIMETER AND SECURITY FENCING

Openings in perimeter fencing and security fencing shall not be covered, blocked or laced with material which would prevent a clear view of personnel, vehicles or material in the outer or inner vicinity of the fenceline.

G204001 1.5 FENCE GROUNDING

Ground fencing on either side of every gate and at other locations when the fencing is near and parallel to high tension power lines.  Grounding shall also be at intervals of 1000 feet (305 meters) to 1500 feet (457 meters) when the fencing runs through isolated areas and at lesser distances depending on the proximity of the fencing to public roads, highways and buildings where the fencing is around or within any explosive storage, production, operating or handling areas.

G204001 1.6 ENCLOSURES FOR UTILITY EQUIPMENT

Where fencing is used to provide an enclosure for utility equipment, ensure a minimum clearance is provided no less than 3 feet (900 mm) around the equipment to permit maintenance access and ventilation. Provide stone, gravel or concrete paving within the enclosure.

G204002 RETAINING WALLS AND FREESTANDING WALLS

Provide retaining walls to permanently resist soil pressures as well as live loads.  Provide wall drainage to minimize lateral loading and protect wall materials against degradation.

G204003 EXTERIOR FURNISHINGS

Refer to ESR G20 and other portions of the RFP for exterior furnishings required on this project.  All site furnishings shall be permanently attached to concrete pads.  Site furnishings shall conform to the Base Exterior Architecture Plan (BEAP) and or Installation Appearance Plan for each Activity.  If no product guidance is given, coordinate material, finish and color with architecture (fiberglass and aluminum are not acceptable) and provide to the greatest extent possible, materials with industrial recycled content, preferably from regionally local manufacturers.

G204003 1.1 PICNIC AND PASSIVE RECREATION AREAS

Picnic areas shall include tables, with attached benches, on concrete bases sloped to drain and permanent barbecue grill(s).  Additionally, separate receptacles shall be provided for trash, recycling and barbecue ashes. All site furnishings shall be permanently attached to concrete paving which shall extend a minimum of 12 inches (300 mm) past the furnishing, with the exception of picnic tables and benches, which shall extend 2 feet (600mm) minimum on all sides.  The elevation of the finished concrete shall be plus 1 inch (25 mm) above adjacent grade.

G204003 1.2 TRASH RECEPTACLES

Trash receptacles, with drain hole, shall have stationary or self-closing lids with anchor chains secured to the receptacle to protect the contents from weather.  Receptacles shall be designed to hold heavy-duty plastic or galvanized steel liners of the same manufacturer.  Consideration shall be given to potential weight of full containers when deciding on 'top loading' or 'side loading' receptacles.  Trash receptacles shall include a concrete pad 12 inches (300 mm) larger on all sides than the size of the trash receptacles.

G204003 1.3 BENCH

Minimum 6 feet (1.8 meter) length to match trash and recycling receptacle material & color, installed a minimum of 18 inches (450 mm) above finish grade, permanently installed with anchor bolts or in-ground.

G204003 1.4 RECYCLING RECEPTACLES

Single-piece with separate slots for cans, bottles, newspaper.  Height, material, and style shall match trash receptacle.

G204003 1.5 BARBEQUE

Minimum 12 inches (300 mm) x 18 inches (450 mm) with heavy-duty grill and hinged stainless steel lid, factory primed and painted with rust-resistant paint.  Install so coal height is a minimum of 36 inches (0.91 meter) above finish grade.

G204003 1.6 HOT ASH RECEPTACLE

Minimum 28 square inches (181 square centimeters) x 42 inches (1.1 meter) high pre-cast reinforced concrete with drain hole with steel ash grate and cast in "Hot Coals Only" logos on each side with white letters on a red background.

G204004 SECURITY STRUCTURES

Where identified for project elsewhere in this RFP, provide active and passive vehicle barriers to effectively stop or detect penetration by explosive-laden vehicles through the perimeter of a protected area in accordance with MIL-HDBK-1013/14, Selection and Application of Vehicle Barriers.

G204005 SIGNAGE

Provide facility signage as required by local code, the Installation and Appearance Guide, the Base Exterior Architectural Plan (BEAP) and this RFP.

Size messages and graphics on signs according to the functional viewing distance.  Typically, at least 1 inch (25 mm) of letter height per 25 feet (7.62 meters) of viewing distance is required for readability.

Refer to Section G201004, "Marking & Signage" for traffic signage.

G204007 PLAYING FIELDS

G204007 1.1 PLAYGROUNDS

Design playgrounds and provide surfacing and equipment in accordance with this RFP and U.S. Consumer Products Safety Commission Publication 325 and ASTM F 1487.  Tot-Lots and Play-Lots shall be bordered with reinforced concrete curbing to a depth appropriate to the type safety surfacing utilized. Provisions for shade and wind protection shall be made where these elements may significantly limit the use of the facilities.  Tot-lots and play-lots shall have separated areas with appropriately sized equipment and materials to serve their developmental levels.  The areas shall be separated by a buffer zone, which can be an area of shrubs, hardscape or benches.  Tot-lots and play-lots shall have signage to give guidance to adults as to the age appropriateness of the equipment.

G204007 1.1.1 Tot Lots

Design each "tot lot" to accommodate children from ages 2 through 5 to provide a variety of play activities and motor skill development opportunities which may include, as a minimum:

Multi-activity structures shall have a minimum of two platforms and two slides, one wheel chair accessible, swing set for young children, paired spring mounted 'riders' or other similar types of apparatus.  At least two benches, with backs, on concrete bases, shall be located for convenience to, and observation of, the tot-lot.

G204007 1.1.2 Play Lots

Design each "play lot" to accommodate children from ages 5 to 12 which provide a wider range of activities and opportunities for greater motor skills development and improvement. These may include, as a minimum:

Multi-activity structure shall have a minimum of three platforms and two slides, one wheel chair accessible. A swing set, or other similar types of apparatus. At least two benches, with backs, on concrete bases, shall be located for convenience to, and observation of, the play-lot.

G204007 1.1.3 Equipment

Tot lot and play lot equipment shall be factory finished institutional quality, in compliance with ASTM F1487, the United States Consumer Products Safety Commission's Guidelines for Public Playgrounds, UFC 3-210-04, Design: Children's Outdoor Play Areas, and the UFC 3-200-10N, Civil Engineering.  Use only equipment that has been approved by IPEMA and installed by a NPCA contractor.

Tot lot and play lot equipment shall be sited to provide use and no encroachment zones in accordance with ASTM F1487. A use zone is a clear, unobstructed area under and around play equipment where a child would be expected to land when jumping or falling from a piece of play equipment. Requirements for use zones vary for the age group and for different pieces of equipment. All use zones for play equipment shall be shown on the site plan to ensure there is no conflict between play activities on the ground and swinging or jumping from the equipment.  The No-encroachment zone is an additional area beyond the use zone where children using the equipment can be expected to move about and should have no encroaching obstacles. This area will vary according to the types of adjacent equipment, and their orientation to one another.

G204007 1.1.4 CCA-Treated Lumber

CCA-treated lumber shall not be used in recreational facilities for children.

G204007 1.1.5 Playground Safety Surface

A playground safety surface, in accordance with ASTM F355 and ASTM F1292, shall be provided throughout all use zones and under all play equipment in tot lots and play lots.  Natural wood products are not allowed for surfacing.  Loose fill surfacing shall be a minimum of 4 inches (100 mm) below the top of edging.  Local climate, soil conditions, location and size of area, type of activity, age of users, and intensity of use shall be considered when choosing surfacing material.  Provide soil separator fabric between playground loose-fill material and subgrade soil.  Provide 4 inch perforated pipe around perimeter of playground and slope to drain.  Drain to sump a minimum of 20 feet out from the playground curbing or to storm drain.

G204007 1.2 PLAYING FIELDS

Provide playing surfaces in accordance with this RFP.

G204090 OTHER SITE IMPROVEMENTS

Other site improvements shall conform to the BEAP or Installation Appearance Plan (whichever is applicable) and to the requirements of UFC 4-010-01.

G204090 1.1 DUMPSTER PADS AND ENCLOSURES

G2050 LANDSCAPING

G2050 1.1 DESIGN

The design of landscaped areas shall be in accordance with Presidential Executive Order 13148 of April 2000, with a goal to reduce fertilizers, pesticides, and water use.  The intent is to achieve a base-wide ratio of 20 percent maximum non-native plants and 80 percent minimum locally or regionally native plants.   Do not use plants deemed invasive by the project state or region's Exotic Pest Plant Council, State Department of Agriculture or local chapter of the American Society of Landscape Architects as a threat to ecosystems or agriculture.  All non-paved site areas inside the project limits or outside the project limits disturbed by construction operations, after meeting plant quantity requirements, shall be covered with plant material or inorganic mulch.  Stabilized soil or organic mulch is not acceptable as a ground cover.  For NAVFAC Southwest projects, eliminate or minimize the use of turf, except when needed for active or passive recreation.  Provide landscape architectural work in accordance with UFC 3-201-02, Landscape Architecture.  All projects with planting and or irrigation areas shall utilize the design services of a Landscape Architect licensed in the state of the project.  The Landscape Architect of Record shall visit the site at least once prior to design, twice during construction, and quarterly during the Establishment Period, including the Establishment Period start and completion.

G205001 FINE GRADING AND SOIL PREPARATION

See Section G10, Site Preparation.

G205002 EROSION CONTROL MEASURES

See Section G10, Site Preparation.

G205003 TOP SOIL AND PLANTING BEDS

See paragraph titled, G205005 PLANTINGS.

G205004 SEEDING, SPRIGGING, AND SODDING

Areas that are to be seeded that are larger than 1,000 square feet (92.90 square meters) shall be hydroseeded.  Hydroseed mix composition shall be appropriate for surrounding land use and compatible and consistent with local application rates, seed availability and established practice in the project area.  If project dates are unknown, specify required planting dates or alternative species for different seasons.  Apply seed at a time best suited for germination of the selected species.  Seeded areas shall achieve a 95-percent coverage of the selected species and be weed free at the end of the Establishment Period.

G205005 PLANTINGS

G205005 1.1 EXISTING PLANT MATERIAL TO REMAIN OR BE TRANSPLANTED

Preserve existing trees to the greatest extent possible.  The Contractor shall tag trees to be saved with plastic or vinyl tape tied to the tree caliper.  The Contractor shall protect existing trees by fencing planting areas to remain from compaction and any other damage with a barrier of metal poles a maximum 8 feet (2.4 meter) on center with plastic netting to a minimum of 10 feet (3.0 meter) radius from outside of the tree’s trunk.  Where tree drip lines are greater than 10 feet (3.0 meter) from the tree's trunk, locate barrier fencing at the drip line of the tree.  The Contractor shall not allow debris from tree or stump removal operations to fall on or otherwise damage plants that are not scheduled for removal.  Plastic tape and barrier fencing shall not be removed until planting operations are ready to begin and or instructed by the Contracting Officer.  Existing trees to remain or to be transplanted that are unhealthy, that die, or have 20 percent or more of their crowns that die during the establishment period shall be replaced with healthy plants of the same species or variety during the appropriate planting season.  During the landscape establishment period, trees, turf, shrubs, and ground cover that are damaged or destroyed during construction operations shall be replaced by the Contractor at no additional cost to the Government.  The Contractor, at the direction of the Contracting Officer, shall remove the existing tree and stump and replace it with trees of the same genus and species equal to the total caliper of the existing tree.  Minimum caliper of replacement trees shall be 4 inch (100 mm). Replace shrubs with 5 gallon (18.9 liter) size container, ground cover with flat containers planted at 8 inches (200 mm) on center, and turf with sod, all of the same genus and species.

G205005 1.2 UTILITIES

Trees shall not be placed within 10 feet (3 meter) of any above or below-grade utility line or structure.  Within roadway sightlines, mature shrubs shall not be greater than 3 feet (1 m) in height and trees shall be limbed up a minimum of 6 feet (2 m) so their mature growth will not obstruct views from vehicle intersections or points of vehicle ingress or egress.

G205005 1.3 RECYCLING

Green waste:  Contact the Public Works Department for potential green waste collection and hauling by the Government.  Green waste not collected by the Government shall be separated from construction debris and delivered to the base's or local landfill's green waste recycling area.  Quantify and report diverted waste to the Contracting Officer.

G205005 1.4 PLANTING

G205005 1.4.1 Plant Quantities

Provide for building periphery, parking lot and perimeter site planting, not covered by buildings or paving, with a minimum of one (1) tree per 900 square feet (83.6 square meter) of landscape area.  Provide a minimum tree size of 24 inch (600 mm) box/2 inch (50 mm) caliper, or if within an anti-terrorism zone provide a minimum size of 36 inch (910 mm) box/3 inch (76 mm) caliper. For trees within concrete or other non-permeable paved areas, allow a minimum non-paved planting area of 4 feet by 8 feet (1.2 m by 2.4 m) per tree.

For NAVFAC Southwest only: A minimum of forty percent (40%) of the landscaped areas shall be planted with shrubs and groundcover so that at 50 percent (50%) plant maturity, they will form mass plantings.  Utilize a minimum ratio of 60 percent (60%) 5 gallon (18.9 liter) shrubs or groundcover and 40 percent (40%) 1 gallon (3.79 liter) shrubs or groundcover.  The remaining sixty percent (60%) of the landscape area may be inorganic mulch, decomposed granite, planted or a combination.  For inorganic mulch, provide 3 inch (76 mm) depth of 3/4-inch (19 mm) and smaller rock, and for larger than 3/4-inch (19 mm) size, assure complete ground surface coverage.  For decomposed granite, provide 2 inch (50 mm) minimum depth. Do not use decomposed granite as a ground cover on slopes 5:1 and greater.

For all other NAVFAC Regions:  Plant the majority of shrubs at major entrances to buildings and at other important planting zones that are specific to each site.  The overall design intent should be to plant mostly trees and turf, with shrubs and ground covers used sparingly, to reduce maintenance costs while still providing for functional planting requirements (e.g., soil stabilization, energy conservation, force protection, and aesthetics).  Provide a minimum size 3 gallon (11.4 liter) container for shrubs and 1 gallon (3.79 liter) container for ground covers.

G205005 1.4.2 Plant Quality

All plants shall comply with ANSI Z60.1 and ANSI Z133.1, current editions.  All plants shall be in a healthy, disease and pest free condition.  All seed, sod, and sprigs shall be State Certified.

G205005 1.4.3 Plant Selection

The reviewing Government Landscape Architect shall have final approval authority on all selected plant material.  Species deemed unsuitable for planting by the Government Landscape Architect will not be allowed.

G205005 1.4.4 Plant Installation

Planting operations, including but not limited to planting soil mixes and fertilization, shall comply with local established practices and agricultural extension service recommendations.  Stake or guy new or transplanted trees with three stakes {2 – 2 ½ inch(63.5 mm) x 8 feet (2.4 m) hardwood}, or three guy cables {five-strand, 3/16 inch (5 mm) diameter galvanized steel cable}.

G205005 1.4.5 Edging Materials and Mulching Materials

Provide 3/16 inch (5 mm) thick by 4 inch (100 mm) deep galvanized steel or 6 inch (150 mm) by 6 inch (150 mm) concrete edging dividing all turf and shrub areas and dividing all planted and non-planted inorganic mulch areas.  Plastic edging is not allowed.  Mulch planted areas not mulched with inorganic mulch or stabilized decomposed granite with a 3-inch (75 mm) depth of organic shredded hardwood mulch during the Establishment Period while plants are growing to form a mass.

G205005 1.4.6 Fertilizer

Fertilize all transplanted trees, new trees, shrubs, ground covers, turf, perennials and ornamental grasses as recommended by local agricultural extension services.

G205005 1.4.7 Weed Fabric and Erosion Control Fabric

Provide a weed barrier fabric of sheet polypropylene or polyester fabric specifically designed for weed control purposes beneath all planted or mulched non-planted areas.  Fabric shall be treated for protection against deterioration due to ultraviolet radiation.  Fabric shall be a minimum 99 percent opaque to prevent photosynthesis and seed germination from occurring, yet allowing air, water and nutrients to pass through to the roots.  Minimum weight shall be 5 ounces per square yard (0.11 kg per square meter) with a minimum thickness of 20 mils (0.50 mm) with a 20 year minimum guarantee.  Provide a biodegradable product designed specifically for erosion control on all sloped areas 3:1 and greater in slope.

G205005 1.4.8 Drainage

Provide for proper grading and drainage of turf and planting areas.  Provide sub-surface drainage where soil or other conditions do not allow surface drainage.  Do not drain roof gutters into planter areas.

G205007 IRRIGATION SYSTEMS

G205007 1.1 IRRIGATION

Where irrigation system is required per other parts of this RFP, provide a permanent, below-grade system.  Provide 100 percent sprinkler head to head coverage.  Provide pop-up heads in turf and landscape zones when adjacent to walks, roads, parking lots, or in sparsely planted landscape areas where pedestrians may circulate. Provide pop-up heads project-wide on high-traffic sites such as, but not limited to, dining, housing, entertainment, daycare, education and recreation facilities.  Verify adequate water pressure for irrigation purposes and provide booster pumps and or pressure regulation as required.  Provide minimum 12 inch (300 mm) cover over PVC irrigation pipe.  1/2-inch (13mm) pipe is not allowed.  The Landscape Contractor shall test the entire system in the presence of the Contracting Officer and Landscape Architect-of-Record to ensure proper performance.  All irrigation components shall be commercial or institutional quality.  Provide rain shut-off device and watertight splices.  Sprinkler heads, bodies and nozzles shall be of the same manufacturer.

G205007 1.2 OPERATION AND CONTROL

Assure systems will automatically operate on an "irrigation window" between 2130-0530.  Provide compatible and fully functional control if a central control system exists on base.  Otherwise, provide evapotranspiration-measuring control with flow meter and master valve with controller capable of indicating visible or auditory notification, such as a blinking light or beeping sound, of system shut-off.

G205007 1.3 ZONING

Provide separate control valves for differing solar exposures, for areas with differing irrigation head types or differing precipitation rates, and top and bottom of slopes.  Provide a separate irrigation backflow prevention device and water meter.  Turf and shrubs/groundcover are not allowed on the same valve.  Provide separate concrete valve box with cast iron lid and valve ID for each valve and wire splice.  Provide quick coupling valves at 100 feet (30 m) on center.  Provide in-head check valves for sloped areas with 0.5 feet (150 mm) or more in elevation change.

G205007 1.4 TEMPORARY IRRIGATION

Provide ultra-violet resistant pipe and fittings for above-grade, temporary irrigation.  Only non-pressure pipe is allowed above grade.  Irrigation systems intended to remain in place longer than one year shall be installed below grade.

G205007 1.5 NON-POTABLE IRRIGATION

Provide lavender-colored pipe, sprinkler head and quick coupler caps, valve tags, signage, and associated filtration equipment.

G205007 1.5.1 Controller Charts

Provide one chart for each new controller or existing re-sequenced controller.  The chart shall be an actual plan reduced to fit inside maximum dimensions of the controller housing.  Use black line print for chart and a different color to indicate each station area of coverage.  After chart is completed and approved for final acceptance, seal chart between two 20 mil (0.5 mm) pieces of clear plastic.  The chart shall be affixed to the inside of the controller cabinet door using approved mastic or fastening system.

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