01 11 00-A AM-0001.pdf

DIVISION 1

01 11 00 – A

Design-Build

STATEMENT OF WORK

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TABLE OF CONTENTS

CHAPTER 1 DESIGN AND CONSTRUCTION OBJECTIVES – NOT USED .............. 1-1

CHAPTER 2 CIVIL ENGINEERING .......................................... 2-1

2-1 DESIGN GOALS AND OBJECTIVES ..................................... 2-1

2-2 DESIGN CRITERIA ............................................... 2-1

2-3 EXCAVATION PERMITS ............................................ 2-1

2-4 SOILS, PAVEMENT AND EARTH WORK .................................. 2-1

2-5 DEMOLITION ................................................... 2-2

2-6 SITE PLANS ................................................... 2-2

2-7 GRADING AND DRAINAGE ........................................... 2-3

2-8 LANDSCAPING .................................................. 2-3

2-9 SCOPE OF WORK BY BUILDING ....................................... 2-4

2-10 DETAILED SPECIFICATIONS ........................................ 2-6

CHAPTER 3 ARCHITECTURAL DESIGN ....................................... 3-1

3-1 DESIGN GOALS AND OBJECTIVES ..................................... 3-1

3-2 REFERENCES ................................................... 3-1

3-3 DESIGN ...................................................... 3-1

3-4 DETAILED SPECIFICATIONS ........................................ 3-2

CHAPTER 4 STRUCTURAL DESIGN .......................................... 4-1

4-1 DESIGN GOALS AND OBJECTIVES ..................................... 4-1

4-2 STRUCTURAL WORK ............................................... 4-1

4-3 DESIGN CRITERIA ............................................... 4-1

4-4 MINIMUM MATERIAL STRENGTHS AND PROPERTIES .......................... 4-2

4-5 BIDDING INFORMATION ............................................ 4-3

4-6 DETAILED SPECIFICATIONS ........................................ 4-3

CHAPTER 5 MECHANICAL WORK ............................................ 5-1

5-1 DESIGN GOALS AND OBJECTIVES ..................................... 5-1

5-2 APPLICABLE CODES AND STANDARDS ................................... 5-1

5-3 MATERIALS AND EQUIPMENT ........................................ 5-1

5-4 SCOPE OF WORK BY BUILDING ....................................... 5-3

5-5 DETAILED SPECIFICATIONS ........................................ 5-6

CHAPTER 6 ELECTRICAL ENGINEERING ..................................... 6-1

6-1 DESIGN GOALS AND OBJECTIVES ..................................... 6-1

6-2 APPLICABLE CODES AND STANDARDS ................................... 6-1

6-3 MATERIALS AND EQUIPMENT ........................................ 6-2

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6-4 SCOPE OF WORK BY BUILDING ....................................... 6-3

6-5 DETAILED SPECIFICATIONS ........................................ 6-6

CHAPTER 7 FIRE PROTECTION ENGINEERING – NOT USED ..................... 7-1

CHAPTER 8 ENVIRONMENTAL REQUIREMENTS

8-1 ENVIRONMENTAL ISSUES

8-2 ASBESTOS

8-3 LEAD

8-4 DETAILED SPECIFICATIONS

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CHAPTER 1

DESIGN AND CONSTRUCTION OBJECTIVES – NOT USED

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CHAPTER 2

CIVIL ENGINEERING

2-1 Design Goals and Objectives

Clean existing drain line passage inside the building footprint and remove excess soil build-up outside building footprint for positive drainage.

Provide additional sodding in Building 48255.

Refer to Architectural SOW for detailed instruction and repair of existing concrete floors.

Requirements discussed in this Chapter shall take precedence over any conflicting requirements in other Chapters and/or any other criteria and shall be brought to the attention of the Contracting Officer for resolution in writing prior to submission of a bid.

2-2 References

Unless otherwise noted, the following reference(s) are available via the internet at the Whole Building Design Guide Website http://www.wbdg.org/ccb/browse_cat.php?c=4

UFC 3-201-01 Civil Engineering, dated 01 April 2018.

2-3 Excavation Permits

The contractor shall obtain approved dig permits from 718 Civil Engineering Squadron one (1) month prior to beginning excavation work or the commencement of any construction repairs. The link to fill-out the electronic digging permit form request is:

https://kadena.eis.pacaf.af.mil/18CEG/18%20CES/CEO/CEOE/CEOES/Lists/103%20Dig %20Permit/Customer%20Service.aspx.

2-4 Soils, Pavement and Earth Work

2-4.1 Erosion and Sediment Control Measures

Provide erosion and sediment control measures in accordance with JEGS and applicable GOJ or local laws and regulations. Preserve vegetation to the maximum extent practicable.

Erosion control inspection reports may be compiled as part of a stormwater pollution prevention plan (SPPP) inspection reports.

2-4.2 Erosion Prevention

Prevent erosion by mulching, Compost Blankets, Geotextiles, and temporary slope drains. Stabilize slopes by chemical stabilization, sodding, seeding, or such combination of these methods necessary for effective erosion control.

Use of hay bales is prohibited.

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Provide seeding in accordance with Section 32 92 19 SEEDING. Any disturbed area with exposed soil that is not being worked on must be seeded or sodded no later than two weeks from the last disturbance regardless of the installation of any other erosion control measures in place. Remove any temporary measures after the area has been stabilized.

2-5 Demolition

Identify the safety and health aspects, and prepare in accordance with Section 02 41 00 DEMOLITION and referenced sources. Remove rubbish and debris from Government property and dispose in accordance with Japanese law. Remove construction debris, waste materials, packaging material and the like from the work site daily. Any dirt or mud which is tracked onto paved or surfaced roadways must be cleaned away. Store any salvageable materials resulting from demolition activities within the fenced area described above or at the supplemental storage area. Neatly stack stored materials not in trailers, whether new or salvaged.

2-6 Site Plans

2-6.1 Visual survey NOT USED

Building must be visually surveyed for existing finish, materials and painted surfaces which are suspected containing ACM or LBP.

2-6.2 Overall Site Plan

Prior to the start of work, submit a site plan showing the locations and dimensions of temporary facilities (including layouts and details, equipment and material storage area (onsite and offsite), and access and haul routes, avenues of ingress/egress to the fenced area and details of the fence installation. Identify any areas which may have to be graveled to prevent the tracking of mud. Indicate if the use of a supplemental or other staging area is desired. Show locations of safety and construction fences, site trailers, construction entrances, trash dumpsters, temporary sanitary facilities, and worker parking areas.

2-6.3 Storage of Material and Field Office

Storage of materials and field office or assembly area on base will be authorized for this contract if available. The contractor shall prepare all documents and submit 45 days in advance to Contracting Officer for approval.

2-6.4 Erosion Control Plan

Prepared in accordance with JEGS, Chapter 13, and all applicable Federal, GOJ national or prefectural laws and regulations, and installation requirements.

Ensure that temporary erosion controls are adequate. All erosion and sediment control measures should be employed by the contractor to minimize any additional erosion that may be caused by the construction activities.

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2-7 Grading and Drainage

Contractor shall prevent oily wastes or other hazardous substances from entering the ground, drainage areas, or local bodies of water. Keep construction activities under surveillance, management, and control, and monitor all water areas affected by construction activities in order to prevent pollution of surface and ground waters. Toxic or hazardous chemicals shall not be applied to soil or vegetation when such application may cause contamination. Prevent oily wastes or other hazardous substances from entering the ground, drainage areas, or local bodies of water. Comply with JEGS and all applicable Federal, GOJ national or prefectural laws and regulations, and installation requirements.

Contractor is not authorized sewage holding tanks on base and must procure a portable toilet service Contract. The portable toilet Contract must include the correct removal of sewage and maintenance of the facilities.

2-8 Landscaping

Provide seeding in accordance with Section 32 92 19 SEEDING. Any disturbed area with exposed soil that is not being worked on must be seeded or sodded no later than two weeks from the last disturbance regardless of the installation of any other erosion control measures in place. Remove any temporary measures after the area has been stabilized. The Contractor shall place emphasis on the protection of habitats favorable to the reproduction and survival of indigenous flora and fauna. The Contractor shall use indigenous flora for planting/sodding. Green waste is the vegetative matter from landscaping, land clearing and grubbing, including, but not limited to, grass, bushes, scrubs, small trees and saplings, tree stumps and plant roots.

Marketable trees, grasses and plants that are indicated to remain, be re-located, or be re-used are not included.

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2-9 Scope of Work by Building

2-9.1 Building 48244. Clean drain line passage inside the building footprint. Remove excess soil build-up outside building footprint for positive drainage. Clean existing drain line outlet passage inside the building footprint. Remove excess soil build-up and growing vegetation, obstructing the front drain covers, up to 7.6 meters towards the natural ditch line. Clear out an average of 0.35 cubic meters of soil, dirt and vegetation along the ditch line.

2-9.2 Building 48245. Clean drain line passage inside the building footprint. Remove excess soil build-up outside building footprint for positive drainage. Clean existing drain line outlet passage inside the building footprint. Remove excess soil build-up and growing vegetation, obstructing the front drain covers, up to 7.6 meters towards the natural ditch line. Clear out an average of 0.35 cubic meters of soil, dirt and vegetation along the ditch line.

2-9.3 Building 48246. Clean drain line passage inside the building footprint. Remove excess soil build-up outside building footprint for positive drainage. Clean existing drain line outlet passage inside the building footprint. Remove excess soil build-up and growing vegetation, obstructing the front drain covers, up to 7.6 meters towards the natural ditch line. Clear out an average of 0.35 cubic meters of soil, dirt and vegetation along the ditch line.

2-9.4 Building 48247. Clean drain line passage inside the building footprint. Remove excess soil build-up outside building footprint for positive drainage. Clean existing drain line outlet passage inside the building footprint. Remove excess soil build-up and growing vegetation, obstructing the front drain covers, up to 7.6 meters towards the natural ditch line. Clear out an average of 0.35 cubic meters of soil, dirt and vegetation along the ditch line.

2-9.5 Building 48249. Clean drain line passage inside the building footprint. Remove excess soil build-up outside building footprint for positive drainage. Clean existing drain line outlet passage inside the building footprint. Remove excess soil build-up and growing vegetation, obstructing the front drain covers, up to 7.6 meters towards the natural ditch line. Clear out an average of 0.35 cubic meters of soil, dirt and vegetation along the ditch line.

2-9.6 Building 48252. Clean drain line passage inside the building footprint. Remove excess soil build-up outside building footprint for positive drainage. Clean existing drain line outlet passage inside the building footprint. Remove excess soil build-up and growing vegetation, obstructing the front drain covers, up to 7.6 meters towards the natural ditch line. Clear out an average of 0.35 cubic meters of soil, dirt and vegetation along the ditch line.

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2-9.7 Building 48253. Clean drain line passage inside the building footprint. Remove excess soil build-up outside building footprint for positive drainage. Clean existing drain line outlet passage inside the building footprint. Remove excess soil build-up and growing vegetation, obstructing the front drain covers, up to 7.6 meters towards the natural ditch line. Clear out an average of 0.35 cubic meters of soil, dirt and vegetation along the ditch line.

2-9.8 Building 48254. Clean drain line passage inside the building footprint. Remove excess soil build-up outside building footprint for positive drainage. Clean existing drain line outlet passage inside the building footprint. Remove excess soil build-up and growing vegetation, obstructing the front drain covers, up to 7.6 meters towards the natural ditch line. Clear out an average of 0.35 cubic meters of soil, dirt and vegetation along the ditch line.

2-9.9 Building 48255. Clean drain line passage inside the building footprint. Remove excess soil build-up outside building footprint for positive drainage. Clean existing drain line outlet passage inside the building footprint. Remove excess soil build-up and growing vegetation, obstructing the front drain covers, up to 7.6 meters towards the natural ditch line. Clear out an average of 0.35 cubic meters of soil, dirt and vegetation along the ditch line.

2-119.9.1 Provide 110 square meters of seeding on earth covered roof, located on top of entrance door, and where patches are visible.

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2-9.10 Building 48256. Clean drain line passage inside the building footprint. Remove excess soil build-up outside building footprint for positive drainage. Clean existing drain line outlet passage inside the building footprint. Remove excess soil build-up and growing vegetation, obstructing the front drain covers, up to 7.6 meters towards the natural ditch line. Clear out an average of 0.35 cubic meters of soil, dirt and vegetation along the ditch line.

2-9.11 Building 48257. Clean drain line passage inside the building footprint. Remove excess soil build-up outside building footprint for positive drainage. Clean existing drain line outlet passage inside the building footprint. Remove excess soil build-up and growing vegetation, obstructing the front drain covers, up to 7.6 meters towards the natural ditch line. Clear out an average of 0.35 cubic meters of soil, dirt and vegetation along the ditch line.

2-9.12 Building 48258. Clean drain line passage inside the building footprint. Remove excess soil build-up outside building footprint for positive drainage. Clean existing drain line outlet passage inside the building footprint. Remove excess soil build-up and growing vegetation, obstructing the front drain covers, up to 7.6 meters towards the natural ditch line. Clear out an average of 0.35 cubic meters of soil, dirt and vegetation along the ditch line.

2-9.13 Building 48259. Clean drain line passage inside the building footprint. Remove excess soil build-up outside building footprint for positive drainage. Clean existing drain line outlet passage inside the building footprint. Remove excess soil build-up and growing vegetation, obstructing the front drain covers, up to 7.6 meters towards the natural ditch line. Clear out an average of 0.35 cubic meters of soil, dirt and vegetation along the ditch line.

2-9.14 Building 48277. Clean drain line passage inside the building footprint. Remove excess soil build-up outside building footprint for positive drainage Clean existing drain line outlet passage inside the building footprint. Remove excess soil build-up and growing vegetation, obstructing the front drain covers, up to 7.6 meters towards the natural ditch line. Clear out an average of 0.35 cubic meters of soil, dirt and vegetation along the ditch line.

2-10 Detailed Specifications

During the design stage, submit UFGS specifications to specify the quality, characteristics, installation procedures and testing requirements for all applicable sections. UFGS documents can be found at http://www.wbdg.org/ffc/dod/unified-facilities-guide-specifications-ufgs.

Some of the following specification sections apply but are not limited to those listed:

UFGS 32 92 19 SEEDING

UFGS 02 41 00 DEMOLITION

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CHAPTER 3

ARCHITECTURAL DESIGN

3-1 Design Goals and Objectives

The architectural scope of work consists of coating the interior concrete wall/ceiling surfaces of all (14) earth covered munitions facilities. The structural portion of this RFP addresses the repair of cracks and spalling.

The electrical portion of this RFP addresses the removal of wall and ceiling mounted equipment and devices. Both of these activities must be completed prior to the coating application within each ECM. Refer to photos included with the RFP for the general condition of the existing structures.

Requirements discussed in this Chapter shall take precedence over any conflicting requirements in other Chapters and/or any other criteria and shall be brought to the attention of the Contracting Officer for resolution in writing prior to submission of a bid.

3-2 References

IBC 2018 International Building Code 2018, International Code Council

UFC 1−200−01 General Building Requirements (Latest Version)

UFC 3-101-01 Architecture, with Change 5

UFC 3-190-06 Protective Coatings and Paints

UFGS 09 97 23.17 Corrosion Inhibitor Coating of Concrete Surfaces

USAF MFSG U.S. Air Force Munitions Facilities Standards Guide, Vol. 1 (2004)

JDDG v1.0 Japan District Design Guide (2017)

KAB ACG 2012 Kadena Air Base Architectural Compatibility Guide, revised 1 March 2012

3-3 Design

After the structural defects have been repaired in accordance with this RFP and the wall/ceiling mounted devices and equipment have been removed, provide a high-performance corrosion inhibiting coating system in accordance with UFGS 09 97 23.17. The coating system shall include the entire barrel vaulted wall/ceiling surface and the front and back vertical walls down to the slab intersection on both sides.

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3-3.1 Structures to Repair

Fourteen (14) existing ECM at Kadena Muns are as follows;

48244 48245 48246 48247 48249 48252 48253 48254 48255

48256 48257 48258 48259 48277

3-3.2 Corrosion Inhibitor Coating System

Provide a corrosion inhibiting coating system for the concrete wall/roof assemblies in accordance with UFGS 09 97 23.17 CORROSION INHIBITOR COATING OF CONCRETE SURFACES. The requirements include, but are not limited to:

3-3.2 The system will include a vapor phase inhibitor, ionic phase inhibitor or a combination and a reactive silicone surface sealant or surface protection coating.

3-3.2 Applicator must have a minimum of 5-years of specialized experience with this type of system.

3-3.2 Submittal of an environmental protection plan.

3-3.2 Proper substrate conditions and surface preparation.

3-3.2 Suitable weather conditions during application and curing period.

3-4 Detailed Specifications

During the design stage, submit UFGS specifications to specify the quality, characteristics, installation procedures and testing requirements for all applicable sections. UFGS documents can be found at http://www.wbdg.org/ffc/dod/unified-facilities-guide-specifications-ufgs.

Some of the following specification sections apply but are not limited to those listed:

UFGS 09 97 23.17 CORROSION INHIBITOR COATING OF CONCRETE SURFACES

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CHAPTER 4

STRUCTURAL DESIGN

4-1 Design Goals and Objectives

Scope of work includes concrete repairs for ECMs. The Contractor's DOR is required to provide engineered solutions to repair the ECM concrete wall/ceiling and slabs on grade. Requirements discussed in this Chapter shall take precedence over any conflicting requirements in other Chapters and/or any other criteria and shall be brought to the attention of the Contracting Officer for resolution in writing prior to submission of a bid.

4-2 Structural Work

4-2.1 Concrete repair. Repair all ECM concrete cracks and spalls at wall/ceiling and slab on grade by epoxy resin injection method and V-cut method, and replace the deteriorated concrete with polymer mortar as required. Perform visual inspection and hammer tapping, chain drag sounding, or other methods acceptable by the Contracting Officer to uncover potentially deficient concrete.

Fourteen (14) existing ECM at Kadena Muns to be upgraded are as follows;

48244 48245 48246 48247 48249 48252 48253 48254 48255

48256 48257 48258 48259 48277

4-3 Design Criteria

4-3.1 Relevant Codes & Criteria

IBC 2018 International Building Code 2018, International Code Council

ASCE 7−10 Minimum Design Loads for Buildings & Other Structures, American Society of Civil Engineers

UFC 1−200−01 General Building Requirements (Latest Version)

UFC 3−301−01 Structural Engineering (Latest Version)

UFC 3-320-

06A

Concrete Floor Slabs on Grade Subjected to Heavy Loads (Latest Version)

USAF MFSG U.S. Air Force Munitions Facilities Standards Guide, Vol. 1 (2004)

JDDG v1.0 Japan District Design Guide (2017)

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4-3.2 Relevant Protective Construction Standards

UFC 4-420-01 Ammunition & Explosive Storage Magazines (2015)

Japanese Renovation Criteria

Reinforcement Criteria of Existing RC structure, Japan Building Disaster Prevention Association (NIHON BOUSAI KYOUKAI), dated

4-4 Minimum Material Strengths and Properties

4-4.1 Concrete

4-4.1 Reinforced Concrete. Portland cement shall conform to JIS A 5308.

Minimum concrete strength for buildings: 24N/mm2 with water-cement ratio not more than 0.55

4-4.1 Concrete Rehabilitation.

Polymer cement shall conform to JIS A 6203, and Epoxy resin shall conform to

JIS A 6024.

Polymer Mortar. Apply polymer mortar to exposed loose materials by manufacture recommended method.

Polymer grout. Apply polymer grout to exposed loose and unsound materials mainly columns by manufacture recommended method.

Epoxy resin. Apply epoxy resin to concrete cracks mainly over slab on grade and beams by manufacture recommended method.

4-4.2 Reinforcing Steel

4-4.2 Bars. Deformed reinforcing bars shall conform to JIS G 3112, if required, material properties are shown below.

D10 to D16 GRADE SD295A D19 and Larger GRADE SD345

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4-5 Bidding Information

4-5.1 Repair concrete cracks: Bidders shall base their bid on providing an average of 75 linear meters of crack repairs per ECM.

4-5.2 Replace Repair the deteriorated concrete: Bidders shall base their bid on providing repairing an average of 60 SM area by 75 mm deep of concrete wall and slab demolition and replacement per ECM. The concrete replacement shall consist of the half wall thickness of the deteriorated area.

4-5.3 Coatings & sealants: For coating and sealant requirements, including internal marking and the exterior wall, refer to the Architectural section.

4-6 Detailed Specifications

During the design stage, submit UFGS specifications to specify the quality, characteristics, installation procedures and testing requirements for all applicable sections. UFGS documents can be found at http://www.wbdg.org/ffc/dod/unified-facilities-guide-specifications-ufgs.

Some of the following specification sections may apply specification section include but not limited to:

UFGS 03 01 00 REHABILITATION OF CONCRETE

UFGS 03 30 00 CAST-IN-PLACE CONCRETE

UFGS 03 30 53 MISCELLANEOUS CAST-IN-PLACE CONCRETE

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CHAPTER 5

MECHANICAL WORK

5-1 Design Goals and Objectives

Repair or replace the ventilation systems for munitions storage buildings on Kadena Air Base, Okinawa.

Requirements discussed in this Chapter shall take precedence over any conflicting requirements in other Chapters and/or any other criteria and shall be brought to the attention of the Contracting Officer for resolution in writing prior to submission of a bid.

5-2 Applicable Codes and Standards

Mechanical design criteria and guidance are contained in the following documents. Latest editions for the RFP shall apply, applicable codes and standards include but are not limited to the following. UFC documents can be found at http://www.wbdg.org/ffc/dod/unified-facilities-criteria-ufc.

5-2.1 US Government Standards:

Unified Facilities Criteria (UFC):

UFC-3-420-01 Plumbing Systems

UFC-3-410-01 Heating, Ventilating and Air conditioning

UFC 3-440-05N Tropical Engineering

UFC 4-420-01 Ammunition and Explosive Storage Magazines

5-3 Materials and Equipment

All materials and equipment shall be the standard catalogued products of manufacturers regularly engaged in the production of such equipment and material, and shall be the manufacturer’s latest design. All equipment and material shall conform to the requirements of American National Standards Institute (ANSI), American Society of Testing and Materials (ASTM), National Fire Protection Association (NFPA), Japanese Industrial Standards (JIS) or other national trade association as applicable. Where standards exist, materials and equipment shall bear the label and be listed by Underwriters Laboratories, Inc. (UL) or other recognized testing organization.

5-3.1 Gravity Ventilators

Provide stationary roof ventilators fabricated of galvanized steel with seamless spun conical-shaped weather-cap, and having straight-through drainage for eliminating the possibility of air-borne debris collecting in the ventilator openings. Insect screens shall be provided.

Ventilators shall be fabricated in accordance with approved shop drawings.

Welds, soldered seams, rivets and fasteners shall be clean, secure, watertight, and smooth. Edges shall be wired or beaded, where necessary, to ensure rigidity. Joints between sections shall be watertight and shall allow

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for expansion and contraction. Galvanic action between different metals in direct contact shall be prevented by nonconductive separators.

Screens shall be furnished by ventilator manufacturer as part of ventilator assembly. Screen (with frames) shall be manufactured of material to match ventilators, and shall be designed to be easily removed for cleaning purposes.

Ventilator bases for curb-mounted installations shall be of size required to fit the existing stack opening of the buildings, and shall be designed specifically for the type of ventilator and roofing system approved for this project. Roof ventilators and curbs shall be certified (US or JIS) for static and cyclic wind loading and impact up to 240 kilometers per hour (150 MPH).

Design wind shall be 298 kilometers per hour (185 mph) in accordance with UFC 3-301-01 (Okinawa, Risk Category III). Curb bases shall be factory-formed and flashed for a watertight installation. Curb bases shall be fabricated of material and finish to match the ventilator. Roof ventilators and curbs shall be certified (US or JIS) for static and cyclic wind loading and impact. US test certifications are Large Missile Impact Test ASTM E1996 (TAS 201), Uniform Static Air Pressure Test (ASTM E330) and Cyclic Wind Pressure Load Test.

5-3.2 Air Intake Vents

Air intake vents that are to be replaced shall be constructed to match the existing equipment design as shown on the drawings and confirmed during site inspection prior to proposal.

5-3.3 Fire Damper Mechanisms

Fire dampers in the air intake and outlet openings of the munitions buildings are designed to close when an exterior heat source (fire) melts the fusible link. The dampers close by gravity alone. Fire damper mechanisms that are to be replaced shall be constructed to match the existing equipment design as shown on the drawings and confirmed during site inspection prior to proposal.

5-3.4 Physical Security Bar Assembly

At the interior opening of the roof mounted gravity ventilators, install a physical security bar assembly to prevent personnel intrusion from the roof stack. Bars shall be made of hardened steel with a minimum diameter of 9mm and be welded to a frame of a minimum 6mm thickness hardened steel plate with vertical bars not more than 100 mm apart and with horizontal bars welded to the vertical bars so that the openings do not exceed 207 square cm. Optional security methods (in lieu of bars) include a minimum of 8–gauge high carbon manganese steel mesh with 2–inch diamond grid or a 6–gauge cold drawn steel wire mesh with 2–inch diamond grid when 8–gauge mesh above is not available.

Bars shall be made of steel with a minimum diameter of 6mm and be welded to a frame of a minimum of 6mm thick steel. The entire assembly shall be hot dipped galvanized and bolted to the interior wall with concrete anchors.

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5-4 Scope of Work by Building

5-4.1 Building 48244

5-4.1 5-4.1.1 Remove/replace the roof mounted gravity ventilator

Removal Work

Remove the roof mounted gravity ventilator, the curbing lumber that it is mounted on, and the fire damper inspection access door on the stack.

New Work

Replace the roof mounted gravity ventilator with a new factory-painted galvanized steel gravity ventilator of the same form and function with a cap that prevents the entry of wind-driven rain. Replace the curbing lumber that the hood is mounted on and caulk all joints. Replace the fire damper inspection access door with a new galvanized and field painted door of the same design and material thickness. Lubricate the fire damper mechanism with calcium sulfonate grease and test to ensure the damper closes when the fusible link is removed.

Provide an insect screen in the roof opening (stack) beneath the ventilator, hurricane-rated stainless steel tie-downs secured to the structure, and braided grounding wire.

5-4.1 5-4.1.2 Paint the front wall ventilation intake hoods and fire damper mechanisms.

Removal Work

Use an abrasive blasting method to remove the existing paint and corrosion from the intake hood and fire damper mechanism. Paint removal can be performed using either an abrasive or chemical method.

New Work

Paint the intake hoods and fire damper mechanisms and all associated components. Apply paint to match the existing color or the building color.

Lubricate the fire damper mechanism with calcium sulfonate grease and test to ensure the damper closes when the fusible link is removed.

5-4.1 5-4.1.3 Replace the intake grates/screens on the interior side

Removal Work

Remove the existing ventilation grates/screens from the interior opening for the intake hoods and at the opening within the building for the roof mounted ventilator.

New Work

Replace the ventilation grates/screens with new galvanized steel grates and screens. Include physical security bar assembly as well insect screens.

5-4.2 Building 48245;

Same scope of work as building 48244

5-4.3 Building 48246;

Same scope of work as building 48244

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5-4.4 Building 48247;

Same scope of work as building 48244

5-4.5 Building 48249;

Same scope of work as building 48244

5-4.6 Building 48252;

Include the scope of work as noted for building 48244 and the additional following work;

5-4.6 Replace the fire damper mechanism for the roof mounted gravity ventilator

Removal Work

Remove the fire damper and closing mechanism (arm, weight, fusible link connections) for the stack beneath the roof mounted gravity ventilator.

New Work

Replace the fire damper and closing mechanism for the roof mounted gravity ventilator with a new mechanism of the same form and function. Exterior components should be field-painted galvanized steel. New mechanism should include a factory-painted heavy-gauge steel plate inside the ventilation stack that is appropriately sized to seal off the stack when closed. Include a new counter weight, anchoring point, and wire with fusible link. Ensure that the steel plate fully closes under its own weight. Lubricate the fire damper mechanism with calcium sulfonate grease and test to ensure the damper closes when the fusible link is removed.

5-4.7 Building 48253;

Same scope of work as building 48244

5-4.8 Building 48254;

Same scope of work as building 48244

5-4.9 Building 48255;

No Work

5-4.10 Building 48256;

Same scope of work as building 48252

5-4.11 Building 48257;

Same scope of work as building 48252

5-4.12 Building 48258;

5-4.12 5-4.12.1 Replace the fire damper mechanism for the roof mounted gravity ventilator

Removal Work

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Remove the fire damper and closing mechanism (arm, weight, fusible link connections) for the stack beneath the roof mounted gravity ventilator.

Remove the roof mounted gravity ventilator and store for reinstallation.

New Work

Replace the fire damper and closing mechanism for the roof mounted gravity ventilator with a new mechanism of the same form and function. Exterior components should be factoryfield-painted galvanized steel. New mechanism should include a factory-painted heavy-gauge steel plate inside the ventilation stack that is appropriately sized to seal off the stack when closed. Include a new counter weight, anchoring point, and wire with fusible link. Ensure that the steel plate fully closes under its own weight.

Lubricate the fire damper mechanism with calcium sulfonate grease and test to ensure the damper closes when the fusible link is removed. Reinstall the existing roof ventilator.

5-4.12 5-4.12.2 Paint the front wall ventilation intake hoods and fire damper mechanisms.

Removal Work

Use an abrasive method to remove the existing corrosion from the intake hood and fire damper mechanism. Paint removal can be performed using either an abrasive or chemical method.

Use abrasive blasting to remove the existing paint and corrosion from the intake hoods and fire damper mechanisms.

New Work

Paint the intake hood and fire damper mechanism and all associated components. Apply paint to match the existing color or the building color.

Lubricate the fire damper mechanism with calcium sulfonate grease and test to ensure the damper closes when the fusible link is removed.

5-4.12 5-4.12.3 Replace the intake grates/screens on the interior side

Removal Work

Remove the existing ventilation grates/screens from the interior opening for the intake hoods and at the opening within the building for the roof mounted ventilator.

New Work

Replace the ventilation grates/screens with new galvanized steel grates and screens. Include physical security bar assembly as well insect screens.

5-4.13 Building 48259

No Work

5-4.14 Building 48277

Same scope of work as building 48244

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5-5 Detailed Specifications

During the design stage, submit UFGS specifications to specify the quality, characteristics, installation procedures and testing requirements for all applicable sections. UFGS documents can be found at http://www.wbdg.org/ffc/dod/unified-facilities-guide-specifications-ufgs.

Some of the following specification sections may apply but are not limited to those listed:

UFGS 07 72 20 Gravity-Type Roof Ventilators UFGS 23 00 00 Air Supply, Distribution, Ventilation Air and Exhaust System UFGS 23 03 00 00 20 Basic Mechanical Materials and Methods

End of CHAPTER 5

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CHAPTER 6

ELECTRICAL ENGINEERING

6-1 Design Goals and Objectives

Repair or replace the electrical systems for munitions storage buildings on Kadena Air Base, Okinawa.

Requirements discussed in this Chapter shall take precedence over any conflicting requirements in other Chapters and/or any other criteria and shall be brought to the attention of the Contracting Officer for resolution in writing prior to submission of a bid.

6-2 Applicable Codes and Standards

Electrical design criteria and guidance are contained in the following documents. Latest editions for the RFP shall apply, applicable codes and standards include but are not limited to the following. UFC documents can be found at http://www.wbdg.org/ffc/dod/unified-facilities-criteria-ufc.

6-2.1 US Government Standards:

Unified Facilities Criteria (UFC):

UFC-3-501-01 Electrical Engineering

UFC-3-520-01 Interior Electrical Systems

UFC-3-530-01 Interior and Exterior Lighting Controls

UFC-3-575-01 Lightning and Static Electricity Protection System

UFC-4-021-02 Electronic Security Systems

UFC 4-420-01 Ammunition and Explosive Storage Magazines

National Fire Protection Association (NFPA):

NFPA 70 National Electrical Code

NFPA 70E Standard for Electrical Safety in the Workplace

NFPA 780 Standard for the Installation of Lightning Protection Systems

Underwriters Laboratories (UL):

UL 1598 Luminaries

UL 8750 Safety LED Equipment

Institute of Electrical and Electronics Engineers (IEEE):

IEEE C62.41.2 Recommended Practices on Surges in Low-Voltage AC (1000V and Less) Power Circuits

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6-3 Materials and Equipment

All materials and equipment shall be the standard catalogued products of manufacturers regularly engaged in the production of such equipment and material, and shall be the manufacturer’s latest design. All equipment and material shall conform to the requirements of American National Standards Institute (ANSI), American Society of Testing and Materials (ASTM), National Fire Protection Association (NFPA), Japanese Industrial Standards (JIS) or other national trade association as applicable. Where standards exist, materials and equipment shall bear the label and be listed by Underwriters Laboratories, Inc. (UL) or other recognized testing organization.

6-3.1 Flood Light System

Provide exterior LED wall sconce, full cut off, trapezoidal shape, die-cast aluminum housing construction, IP65 rated, dark bronze powder coat finish, mounted approximately 3400 mm AFF above the door. Include LED array, 4000K, 70+ CRI, electronic driver, 120V, 60Hz system. Exterior light shall be minimum 0.2 foot candles (UFC 4-420-01, 3-8.3). Exterior photocell shall be mounted on south-facing exterior wall. Photocell shall determine the on limit for exterior light. Exterior light shall have an occupancy sensor integral to the fixture increasing light output to 100% of the maximum lumens with motion detected. Otherwise exterior light shall be at 50% of the maximum lumens. Include rigid metal conduits, weatherproof metallic junction boxes and metallic liquid tight flexible raceways. Reuse circuit breaker at distribution panel. Include UL 1598 and UL 8750 requirements for lighting systems in wet locations. Provide surge protection integral to lighting fixture to meet IEEE C62.41.2 standards.

6-3.2 Bonding and Grounding Systems

Provide grounding and bonding systems for all roof-mounted metallic gravity ventilators, wall-mounted metallic ventilation intake hoods, wall-mounted metallic intake grates/screens, metallic doors, and metallic door frames to the primary grounding system ground ring. Bond door frame to door with 2 each woven wire braided copper straps (1 top and 1 bottom). Bond door frame to ground ring including maximum 1 ohm resistance (UFC 4-420-01, 3-8.6).

Provide bonding to all doors (new doors on Option 1 and existing doors on base bid). All bonding connections to existing ground ring and lightning protection system must be exothermically welded. No mechanical connections are permitted, except in test wells. Grounding and bonding systems include 20 mm diameter x 3000 mm long copper-clad steel ground rods, woven wire braided copper straps equal to 60 sq mm or 2/0 AWG (UFC 4-420-01, 3-8.5) bare copper conductors, and earthwork to the nearest ground ring connection.

Coordinate with Mechanical and Architectural.

6-3.3 Test Well Systems

Provide inspection housing and screw type cover. Cover to be marked “ground” and include 2 each pull slot spaces. Top of the cover to be flush with grade. Housing dimensions approximately 600 mm deep and 250 mm diameter.

Reuse cable to ground rod mechanical connections and 20 mm x 3000 mm copper clad steel ground rods. Clean out any mud or debris in the inspection housing area that resulted from the grass cutting machines damaging the inspection housings and screw type covers.

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6-3.4 Intrusion Detection System / Electronic Security System (IDS/ESS)

In support of Architectural wall and ceiling repair work, remove, protect and reinstall IDS/ESS. Include ceiling-mounted junction boxes for passive infrared motion sensors running in the center of the MUNS and also junction boxes for door contact balance magnetic switches, electrical metallic tubing, wiring, and connections to the existing IDS/ESS panel. Include existing IDS/ESS panel. Replace all existing wiring with new. Test IDS/ESS system together with Kadena Air Base 18 Security Forces Squadron and Zukeran Resident Office before removal and after reinstallation. Coordinate with Architectural.

6-4 Scope of Work by Building

6-4.1 Building 48244

6-4.1 Remove/replace bonding and grounding system. See bonding and grounding systems above for details.

Removal work

Remove bonding and grounding system from roof-mounted metallic gravity ventilators, wall-mounted metallic ventilation intake hoods, wall-mounted metallic intake grates/screens, metallic doors, and metallic door frames to the primary grounding system ground ring.

New work

Provide new bonding and grounding system from roof-mounted metallic gravity ventilators, wall-mounted metallic ventilation intake hoods, wall-mounted metallic intake grates/screens, metallic doors, and metallic door frames to the primary grounding system ground ring.

6-4.2 Building 48245

Same scope of work as Building 48244.

6-4.3 Building 48246

Same scope of work as Building 48244.

6-4.4 Building 48247

Same scope of work as Building 48244.

6-4.5 Building 48249

6-4.5 Remove/replace bonding and grounding system. See bonding and grounding systems above for details.

Removal work

Remove bonding and grounding system from roof-mounted metallic gravity ventilators, wall-mounted metallic ventilation intake hoods, wall-mounted metallic intake grates/screens, metallic doors, and metallic door frames to the primary grounding system ground ring.

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New work

Provide new bonding and grounding system from roof-mounted metallic gravity ventilators, wall-mounted metallic ventilation intake hoods, wall-mounted metallic intake grates/screens, metallic doors, and metallic door frames to the primary grounding system ground ring.

6-4.5 Remove/replace test well system. See test well systems above for details.

Removal work

Remove inspection housings and covers.

New work

Provide new inspection housings and covers.

6-4.6 Building 48252

Same scope of work as Building 48249.

6-4.7 Building 48253

Same scope of work as Building 48244.

6-4.8 Building 48254

Same scope of work as Building 48249.

6-4.9 Building 48255

6-4.9 Remove/replace bonding and grounding system. See bonding and grounding systems above for details.

Removal work

Remove bonding and grounding system from roof-mounted metallic gravity ventilators, wall-mounted metallic ventilation intake hoods, wall-mounted metallic intake grates/screens, metallic doors, and metallic door frames to the primary grounding system ground ring.

New work

Provide new bonding and grounding system from roof-mounted metallic gravity ventilators, wall-mounted metallic ventilation intake hoods, wall-mounted metallic intake grates/screens, metallic doors, and metallic door frames to the primary grounding system ground ring.

6-4.9 Remove/reinstall Intrusion Detection System / Electronic Security System (IDS/ESS). See IDS/ESS above for details.

Removal work

Remove ceiling mounted IDS/ESS system to the IDS/ESS panel.

New work

Reinstall ceiling mounted IDS/ESS system to the IDS/ESS panel.

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6-4.9 Remove/replace wall-mounted flood light system. See flood light system above for details.

Removal work

Remove wall-mounted flood light system from flood light to distribution panel.

New work

Provide new wall-mounted flood light system from flood light to distribution panel.

6-4.10 Building 48256

6-4.10 Remove/replace bonding and grounding system. See bonding and grounding systems above for details.

Removal work

Remove bonding and grounding system from roof-mounted metallic gravity ventilators, wall-mounted metallic ventilation intake hoods, wall-mounted metallic intake grates/screens, metallic doors, and metallic door frames to the primary grounding system ground ring.

New work

Provide new bonding and grounding system from roof-mounted metallic gravity ventilators, wall-mounted metallic ventilation intake hoods, wall-mounted metallic intake grates/screens, metallic doors, and metallic door frames to the primary grounding system ground ring.

6-4.10 Remove/reinstall Intrusion Detection System / Electronic Security System (IDS/ESS). See IDS/ESS above for details.

Removal work

Remove ceiling mounted IDS/ESS system to the IDS/ESS panel.

New work

Reinstall ceiling mounted IDS/ESS system to the IDS/ESS panel.

6-4.10 Remove/replace test well system. See test well systems above for details.

Removal work

Remove inspection housings and covers.

New work

Provide new inspection housings and covers.

6-4.10 Remove/replace wall-mounted flood light system. See flood light system above for details.

Removal work

Remove wall-mounted flood light system from flood light to distribution panel.

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New work

Provide new wall-mounted flood light system from flood light to distribution panel.

6-4.11 Building 48257

Same scope of work as Building 48255.

6-4.12 Building 48258

Same scope of work as Building 48255.

6-4.13 Building 48259

Same scope of work as Building 48256.

6-4.14 Building 48277

Same scope of work as Building 48255.

6-5 Detailed Specifications

During the design stage, submit UFGS specifications to specify the quality, characteristics, installation procedures and testing requirements for all applicable sections. UFGS documents can be found at http://www.wbdg.org/ffc/dod/unified-facilities-guide-specifications-ufgs.

Some of the following specification sections may apply specification section include but not limited to:

UFGS 26 00 00.00 20 Basic Electrical Materials and Methods

UFGS 26 05 00.00 40 Common Work Results for Electrical

UFGS 26 05 19.10 10 Insulated Wire and Cable

UFGS 26 05 26.00 40 Grounding and Bonding for Electrical Systems

UFGS 26 09 23.00 40 Lighting Control Devices

UFGS 26 05 48.00 10 Seismic Protection for Electrical Equipment

UFGS 26 41 00 Lightning Protection System

UFGS 26 56 00 Exterior Lighting

UFGS 28 08 10…