SOW - CADJ 24-1045 Construct Multiple Pre-Engineered Buildings_Final.docx

DEPARTMENT OF THE AIR FORCE

776th EXPEDITIONARY AIR BASE SQUADRON

CHABELLEY AIRFIELD, DJIBOUTI

STATEMENT OF WORK

CONSTRUCT MULTIPLE PRE-ENGINEERED BUILDINGS (PEBs)

PROJECT NO: CADJ 24-1045

28 August 2024

TABLE OF CONTENTS

1. GENERAL

2. DESIGN EFFORT

3. SITE

4. TECHNICAL SPECIFICATIONS

5. BID OPTION 1

6. STORAGE AND DISPOSAL OF CONTRACTOR MATERIALS

7. CONTRACTOR FURNISHED ITEMS AND SERVICES

8. PERIOD OF PERFORMANCE

9. SCHEDULING AND PHASING OF WORK

10. INSPECTION AND QUALITY CONTROL

11. SAFETY REQUIREMENTS

12. MILITARY INSTALLATION REQUIREMENTS

13. PROJECT ACCEPTANCE

14. WARRANTY OF WORK

1.

GENERAL

1.1. For the purposes of this document, GOVERNMENT refers to the United States Government as represented by the Contracting Officer (CO), Civil Engineer (CE) or their designated representative. CONTRACTOR refers to the CONTRACTOR and SUBCONTRACTOR employees, personnel, tools and equipment.

1.2. The contractor shall provide all engineering, designs, management, tools, equipment, materials, supplies, transportation, supervision, and labor necessary to construct multiple Pre-Engineered Buildings around Chabelley Airfield in accordance with attached drawings and specifications. Work is to include the demolition and disposal of existing structures, necessary site improvements to ensure proper drainage of the site in order to mitigate ponding and/or flooding of adjacent facilities, and all utility connections to provide complete and useable facilities. Contractor shall perform all work in accordance with this Statement of Work (SOW). Contractor shall coordinate all work with the Contracting Officer and Project Engineer.

1.3. This SOW includes a main body (sections 2 through 4.7.1.) and a bid option (section 5). Proposals submitted in response to solicitations containing this SOW must have a separate section in response to the bid option (section 5). The work described in the bid option may, or may not, be included in the final award; its inclusion will be determined by the price proposed and available funding. Offerors are advised to read solicitation clause 252.236-7007 Additive or Deductive Items for further details.

1.4. Limits of work shall be as indicated herein or on the contract drawings. The contractor shall not add to, modify, or remove any area which is beyond the limits of work.

1.5. Neither the Government’s review, approval or acceptance of, nor payment for, the services required under this contract shall be construed to operate as a waiver of any rights under this contract or of any cause of action arising out of the performance of this contract, and the Contractor shall be and remain liable to the Government in accordance with applicable law for all damages to the Government caused by the Contractor’s negligent performance of any of the services furnished under this contract.

2. DESIGN EFFORT

2.1. The purpose of this project is to provide all site preparation including demolition of existing structures, compaction of subgrade, placement of required base and subbase course materials, construction of a concrete footers, procurement and installation of PEBs, and all utility connections in order to provide eight (8) complete and usable facilities on Chabelley Airfield.

2.2. The facility included in this SOW shall be designed and constructed in accordance with (IAW) Unified Facilities Criteria (UFC) 1-201-01, Non-Permanent DoD Facilities in Support of Military Operations, under a facility construction level of “Semi-Permanent” Upon contract award, the Government will appoint a Contract Officer’s Representative (COR) to verify materials, work, and construction IAW this SOW.

2.3. The Contractor shall be responsible for any surveys, excavations, soil borings, soil analyses, chemical tests, laboratory tests, concrete compressive strength tests, electrical tests, corrosion and cathodic protection tests, asbestos and lead-based paint surveys, and any other tests required for construction of this project. Documentation of the above tests or surveys shall be provided in the Design Analysis. The Contractor shall provide investigation, site survey, and analysis to prepare the Design Analysis and Supporting Construction Documents.

2.4. The Contractor shall abide by all applicable regulations, publications, manuals, and local policies and procedures. Note this criterion spans the entirety of the Unified Facilities Criteria (UFC) as well as the American Society of Civil Engineers (ASCE) seismic design codes, International Building Codes (IBC), International Fire and Fuel codes, National Fire Protection Association (NFPA) codes, and other codes referenced here within. Preparation and completion of design and work shall meet all requirements listed herein and shall, at a minimum abide by the following, including all standards, codes, regulations, and publications incorporated by reference in the following. Unless specified elsewhere in this SOW, the most current standards, codes, regulations, and publications shall be used. UFCs and the EDRC/ITL TR-19-7 are downloadable from the Whole Building Design Guide (WBDG) webpage at www.wbdg.org.

2.4.1. USACE EM 385-1-1, Safety and Health Requirements

2.4.2. UFC 1-200-01, DoD Building Code

2.4.3. UFC 1-201-01, Non-Permanent DoD Facilities in Support of Military Operations

2.4.4. UFC 3-220-10N, Soil Mechanics

2.4.5. UFC 1-200-02, High Performance and Sustainable Building Requirements

2.4.6. UFC 3-560-01, Operation and Maintenance: Electrical Safety

2.4.7. UFC 3-580-01, Telecommunications Interior Infrastructure Planning and Design

2.4.8. UFC 4-010-01, Minimum Anti-terrorism Standard for Buildings

2.5. Where conflict exists between UFC 1-200-01 criteria and specification text below, the more stringent criteria shall govern.

2.6. The Contractor shall be responsible for locating all utilities in the area of construction, and for accommodating or modifying them, as required for the construction of this project.

3. SITE:

3.1. Site Investigation:

3.1.1. The Contactor shall survey the proposed construction areas and set temporary survey benchmarks that shall be protected for the duration of the project. The survey shall include and identify all visible objects above ground and all known, unknown or detectable underground utilities (i.e., communications, electrical, etc.). The Contractor shall clearly mark all utility connection tie-in points.

3.1.2. The Contractor shall perform a physical survey of the site to determine areas that need to be graded and leveled prior to excavating for billeting facility foundations. The Contractor shall provide fill and/or excavate materiel where needed to ensure proper drainage of the site in order to mitigate ponding and/or flooding of adjacent facilities and roads.

3.1.3. For all work requiring excavation, the Contractor’s proposal shall include all necessary equipment, labor and materials required to excavate through rock, remove surplus materiel and provide the CO approved backfill materiel as directed. Backfilling shall be approved materials (e.g., base course) with sieve analysis approved prior to commencing work.

3.2. Demolition: The Contractor shall be responsible for all work necessary to prepare the site for construction to include utility relocations as well as the removal and disposal of existing structures that shall obstruct the project construction.

3.2.1. The Contractor shall cordon off the project area with contractor-furnished cones, caution tape, rope, signs, flashing lights, etc. to ensure safety of personnel. The Contractor shall be responsible for repairing or replacing any work that does not meet specifications due to inadequate barricades. The Contractor shall ensure site is cordoned off during hours of darkness with caution tape to ensure foot traffic does not transit through site during demolition phase.

3.2.2. All salvageable items and material, removed from the site by the Contractor shall be returned to the Government. The serviceability of salvaged items and material shall be determined by the COR with the approval of the CO. The Contractor shall transport the salvaged items and materials to a location to be specified by the COR with the approval of the CO.

3.3. Site Clean-Up: The Contractor shall remove trash and debris from the site daily. All materials and debris which result from demolition operations shall be disposed of, in a legal manner, into appropriate trash receptacles provided by the contractor at or around the demolition site.

3.4. Material Lay-Down Area: The Government will provide a location to serve as a material lay down area. The contractor is responsible for keeping this area orderly. The Contractor shall be responsible for the security all material located at this area.

4. SPECIFICATIONS:

4.1. Architectural:

4.1.1. The Contractor shall furnish and install eight (8) PEBs of the size and layout specified in the Conceptual Drawings.

4.1.2. The nominal size of the facilities shall be 40-ft in length by 16-ft in width, comprised of two (2) 40-ft shipping containers set side-by-side and connected in the middle to create one complete facility. The adjoining sides of the containers shall be removed to create an open layout that meets the specifications of the floorplans shown in the Conceptual Drawings.

4.1.3. The Contractor shall effectively mimic the color scheme, exterior and interior appearances of the existing PEBs located in the Operations Area to the maximum extent possible.

4.1.4. The Contractor shall furnish and install one (1) metal building identification sign per PEB. All signs must be consistent in style and construction with PEBs located in the Operations Area. Sign verbiage will be provided by the Government.

4.1.5. Interior flooring of each facility shall be resilient vinyl flooring.

4.1.6. Exterior doors shall have an awning above the door that effectively sheds water away from the thresholds.

4.1.7. All brand-name materiel selections indicated below and/or on the project drawings shall be “or equal” unless otherwise specified by the CO.

4.2. Civil:

4.2.1. The Contractor shall conduct all site preparation work, including but not limited to utility modifications, utility services and all peripheral exterior work such as concrete pads and worksite security.

4.2.2. The Contractor shall establish finished floor elevations at a minimum of 200mm above finished grade elevation directly in front of the project’s corner of the building. Final Floor Elevation (FFE) shall be such that all storm water is directed away from the facilities. Storm drainage shall be designed to be compatible with the slope of the service main utility corridor. The Contractor is required to grade, supply, place, and compact 1” single size at a 95% modified proctor at a gradient no greater than 2% to 5m for the exterior of each facility. Additionally, the Contractor shall grade and provide 95% compacted 1” single size for the area between the buildings at a slope facility adequate drainage from the site. The Contractor shall grade all finished areas to ensure proper drainage away from the facility while ensuring this work does not cause water to accumulate near surrounding facilities or roads.

4.2.3. The Contractor shall provide all electrical and telecommunication utilities. Communication connections shall be made with SCH 80 UPVC pipe. Utility service connections shall be properly identified with detectable metal strip marking tape. The Contractor shall account for 20% of hand trenching and backfilling in their proposals.

4.2.3.1. Upon award, the Government shall provide as-designed/as-built site plans for the service main utility corridor showing the location of utilities and other facilities critical to life, safety and health.

4.2.4. The Contractor shall connect each facility to the nearest electrical and telecommunication utility. For electrical, the Contractor shall be responsible for bringing all electrical connections to the electrical room as shown on the design drawings.

4.2.5. The Contractor shall take special care to review and field location all utility lines in the area prior to on-site construction. It is essential to coordinate with the Government prior to any civil/site work to avoid relocating or damaging existing utility lines during construction. The Contractor shall hand dig within 2m of each side of a marked utility. The Contractor is responsible to maintain the initial government marking throughout the duration of the project. Any existing utility damaged during construction shall be repaired within 24 hours of the damage occurring. The Government reserves the right to repair damaged lines and the Contractor shall repay the Government for this cost.

4.2.6. All existing utility manholes, electric and other utilities shall be inspected at the end of the project for any damage made by the Contractor. The Contractor shall be responsible and incur any associated costs to repair any damages to underground / above ground utilities in accordance with all applicable UFC codes and standards.

4.2.7. Trenching:

4.2.7.1. All trenching depths shall be specified in shop drawings and must be in accordance with the respective code. If the code cannot be met, it must be highlighted and justified.

4.2.7.2. All trenching shall be inspected and surveyed by the CO and CE prior to backfill.

4.2.7.3. All trenching depths shall be documented in a detail within the as-builts.

4.2.8. Concrete:

4.2.8.1. The Contractor shall design foundations to suit the subsurface conditions capable of transmitting all building loads to the ground. The Uniform Live Load for design shall be 50 psf (2.4 kPa) and a Concentrated Living Load of 2,000 lbs (8.9 kN). As determined by the Designer of Record to be applicable, provide a Standard Foundation. “Standard Foundations are shallow or deep foundations as specifically addressed in International Building Code (IBC) Chapter 18. Do NOT use masonry unit footings, steel grillage footings, timber footings or wood foundations.

4.2.8.2. The Contractor shall construct three (3) concrete footers for each PEB to provide a foundation for each end and the middle of the PEB. The concrete shall have a minimum compressive strength of 3,000 psi (6.9 kPa). The slabs shall be placed at an elevation and thickness such that the Finished Floor Elevation (FFE) matches between all three (3) slabs and creates a level surface for the facilities to be placed on.

4.2.8.3. The Concrete Mix Design must include Type V cement and specify the type of rock aggregate used in the concrete mix (granite, sandstone, etc.). The Concrete Mix Design shall be submitted for approval to CE. The Contractor shall create concrete cylinder samples during each pour and test for compressive strength at both 7 days and 28 days. If a sample reaches 3,000 psi at 7 days, then a 28 day test will not be required.

4.2.8.4. The Contractor shall place a 1.2m x 1.25m concrete pad at all exterior doors to include exterior communication and electrical doors. The Contractor shall also place concrete pads for all exterior HVAC split units.

4.3. Structural:

4.3.1. The Contractor shall provide a structural review for all PEBs as well as other modifications necessary to provide a safe, complete structure. Shop drawings shall include all required details to include, but not limited to connections, door flashing, etc. Structural work shall include all work and materials, (including all exterior doors and openings,) required to complete a sealed and weatherproof exterior envelope.

4.3.2. The basis for design shall be a concrete footer with a steel building framing system.

4.3.2.1. The Contractor shall employ the services of engineering professionals as necessary to meet the following design requirements:

4.3.2.1.1. Loads: Dead Load (Own Weight + 0.5 kPA); Floor Live Load (4 kPA); and Roof Live Load (1 kPA)

4.3.2.1.2. Wind: Must withstand minimum 110mph; Exposure C environment

4.3.2.1.3. Seismic: Based on seismic conditions for Djibouti; Design Category D

4.3.2.2. The facility shall be designed using gravity loads and considering basic combinations of appropriate service loads, wind loads and seismic loads.

4.3.2.3. The Contractor shall provide structural calculation for the design of foundation supporting vertical and moment due to lateral loads to support the facility and meet wind and seismic requirements.

4.3.3. Special consideration shall be taken to ensure the seam between the two containers is properly welded and sealed to create a waterproof connection to prevent leaks into the facility.

4.3.4. Interior wall construction shall be designed to provide sound insulation to STC 50 standards. Walls and ceilings shall be constructed of insulated metal wall panels.

4.3.5. Exterior doors shall be steel and conform to STC 50 sound insulation standards. Knobs on the doors shall be Simplex 1011 Push Button Cypher locks with Satin Chrome finish.

4.3.6. The Contractor shall provide foundation and anchoring plan. This is to include slab reinforcement as well as the concrete anchoring layout. PEBs shall be secured to the concrete footers with steel anchor bolts and a bracket welded to the corners of the facility. The size of the bolts and brackets shall be of diameter, length, thickness and size to respectively satisfy the design loading categories.

4.4. Heating Ventilation and Air Conditioning (HVAC):

4.4.1. HVAC systems shall be 12,000 Btu/hr ductless mini-split units with remote controls. The power rating for the units shall be compatible with Chabelley Airfield power standards as specified in Section 4.5.4.

4.4.1.1. The Contractor shall provide and install split cooling units as indicated on the contract drawings. Heating/Cooling load calculations shall be submitted to the CO and CE. The units shall be able to supply both cooling and heating.

4.4.1.2. Each split unit shall have both an interior disconnect switch and exterior disconnect switch. The Contractor shall install exterior disconnect switches adjacent to the unit.

4.4.1.3. The outside portion of the split unit shall be installed on a minimum of 610mm high stands. The stand shall be fabricated with 50.8 mm x 50.8mm x 6.35 mm angle iron, sand blasted, primed and painted. The contractor shall submit the split unit stand as a material submittal.

4.4.1.4. The outside unit shall be placed at a minimum 305mm away from the facility wall.

4.4.2. The Contractor shall provide sleeves and prepared openings for duct mains, branches and/or other penetrating items and install during construction of the surface to be penetrated. Cut sleeves flush with each surface. Provide 25mm clearance between penetrating and penetrated surfaces. Pack spaces between sleeve or opening and duct or duct insulation with mineral fiber conforming to ASTM C553, Type 1, Class B-2.

4.4.3. The Contractor shall install all work so that parts requiring periodic inspection, operation, maintenance, and repair are readily accessible.

4.4.4. The Contractor shall provide a complete submittal package for the entire HVAC system including all components (HVAC units, controls, ductwork, shop drawings, etc.). This includes the manufacturer's product data sheets for the specific models controls, ductwork, etc. This also includes the manufacturer's product data for the specific models proposed for use on this contract.

4.4.5. The Contractor shall provide the following shop drawings, to be reviewed and approved in writing by the CO. The written permission to use the item(s) must be received by the Contractor prior to the purchase of any materiel:

4.4.5.1. Manufacturer’s Installation Instructions

4.4.5.2. Operations and Maintenance Manuals

4.4.6. The Contractor must protect all metallic materials against corrosion. Manufacturer shall provide rust-inhibiting treatment and standard finish for the equipment enclosures, and ensure all materials are rust free at closeout.

4.5. Electrical:

4.5.1. All electrical and communications work and material is new, and provided by the Contractor unless indicated otherwise.

4.5.2. The Contractor shall furnish all labor, materials and equipment to install complete and make operational all electrical systems as here in. All electrical materials and equipment shall be Underwriters Laboratory (UL) certified.

4.5.3. Reference Standards:

4.5.3.1. Unified Facilities Criteria (UFC)

4.5.3.2. National Electrical Code (NEC)

4.5.3.3. International Electrotechnical Commission (IEC) Standards

4.5.4. Required Calculations:

4.5.4.1. The Contractor shall provide short circuit, selective coordination, voltage drop and arc flash study of the complete electrical distribution system. The study shall include motor starting/running calculations. The studies shall be performed on EasyPower software which is the only certified for the Air Force. The contractor should obtain and verify all information needed to conduct the study.

4.5.5. General:

4.5.5.1. All electrical and power requirements shall be to a 120/208V, 60 Hz standard.

4.5.5.2. Use of shop or field fabricated electrical equipment assemblies that are not manufacturer’s standard catalog products or do not conform to the industry and technical society standards are not acceptable.

4.5.5.3. The Contractor shall be responsible for all electrical connections from the distribution panel to the Secondary Distribution Center (SDC) for each facility.

4.5.5.4. The Contractor shall test all 750V cable insulation with a megger meter after installation. The Contractor shall submit a written test report of the results to the CO and CE.

4.5.5.5. Electrical equipment shall be protected at all times against mechanical injury or damage by water. Electrical equipment shall not be stored outdoors. Electrical equipment shall be stored in dry permanent shelters.

4.5.5.6. The Contractor shall provide materials and equipment that are products of manufacturers regularly engaged in the production of such products which are of equal material, design and workmanship. Where two or more items of the same class of equipment are required, these items shall be products of a single manufacturer; however, the component parts of the item need not be the products of the same manufacturer unless stated in the technical section.

4.5.5.7. Provide for each system and principal item of equipment as specified in the technical sections for use by operation and maintenance personnel. The operating instructions shall include the following: (a) safety precautions; (b) wiring diagrams, control diagrams and control sequence for each principal system and item of equipment; (c) start-up, proper adjustment, operating, lubrication and shut-down procedures; (d) the procedure in the event of equipment failure; (e) other items of instruction as recommended by the manufacturer of each system or item of equipment.

4.5.5.8. Electrical equipment shall have at least two (2) coats of factory applied paint which shall, at a minimum, meet the requirements of National Electrical Manufacturers Association (NEMA) 250 corrosion resistance test.

4.5.5.9. Provide color coding of conductor of the 120/208V system as follows:

4.5.5.9.1. Phase A – BLACK

4.5.5.9.2. Phase B – RED

4.5.5.9.3. Phase C – BLUE

4.5.5.9.4. Neutral – WHITE

4.5.5.9.5. Ground – GREEN

4.5.6. Exterior Power Distribution:

4.5.6.1. The main entrance service 120/208V for the facility should be supplied by an existing service feeder provided by others. That feeder is running from a dedicated circuit breaker located at existing distribution substation to the facility location. The contractor should test & protect that service feeder and extend it if required to be tied into the main disconnect of the facility.

4.5.6.2. The Contractor shall furnish and install Schedule 80 PVC electrical conduits placed in the ground at a depth of 2 feet that run from the SDC to each facility. The diameter of the conduits shall be of such a diameter to allow for installation of the 60 amp service cable (NSN: 6150-00-255-8332, PN: 72289-100 or equivalent). Service cables shall have a “Cannon Plug” on the end connecting to the SDC that is compatible with the SDC connection ports.

4.5.6.3. Connections from existing SDCs are limited to 60 amps per connection. If a facility requires more than 60 amps, the Contractor shall place multiple distribution panels in the facility and the matching number of connections to the SDC in order to power the facility.

4.5.6.4. Tag all underground cables in all accessible locations.

4.5.6.5. Extension cables (if required) shall be armored, XLPE insulated and PVC sheathed.

4.5.6.6. No cable splices shall be allowed underground without underground structure for inspection.

4.5.6.7. Connections to HVAC equipment shall be in Liquid-tight Flexible Metal Conduit (LFMC). LFMC shall have a protective jacket PVC extruded over a flexible interlocked galvanized steel core to protect wiring against moisture, oil, chemicals, and corrosive fumes. Ensure fittings for liquid-tight flexible metallic conduit are specifically designed for such conduit.

4.5.6.8. All safety switches (a.k.a. disconnect switches) shall be IP65, and shall be heavy-duty type with enclosure, voltage, current rating and number of poles as indicated on the drawings. Ensure switch construction is such that, when the handle is in the “ON” position, the cover or door cannot be opened. Provisions shall be provided that allow the handle to be locked in the “OFF” position. Ensure the switch cannot be locked in the “ON” position. Switches shall be quick-make/quick-break type and have terminal lugs for use with copper conductors.

4.5.6.9. All above ground wires & cables in outdoors areas should be in Rigid Metal Conduit. PVC conduits are not allowed above ground level.

4.5.6.10. All circuit breaker panel enclosures & devices located outdoors shall be rated at IP65

4.5.6.11. All outdoor receptacles shall have GFCI protection at 30mA and the box and cover shall be rated at IP65 (while in use).

4.5.7. Interior Power Distribution:

4.5.7.1. All wires and cables in all panels shall be labeled.

4.5.7.2. The Contractor should size the feeder conductors for a maximum voltage drop of 2% and the branch circuits for a maximum voltage drop of 3%.

4.5.7.3. Branch circuit conductors, including power and lighting applications, shall in no case be less than 4mm2.

4.5.7.4. Provide branch circuit breakers rated for 20A minimum.

4.5.7.5. A dedicated neutral conductor shall be routed with each 120V, single-phase circuit. Shared neutrals are not allowed.

4.5.7.6. Conductors shall be of high conductivity annealed copper with concentric stranding for stranded conductors. All wires for lighting and power systems pulled inside conduits shall be single core, insulated with PVC compound, of grade not less than 450/750 volts.

4.5.7.7. All interior wiring & cabling shall be installed in EMT conduit systems and mounted on the face of the walls.

4.5.7.8. Maximum conduit fill shall be based on the requirements of the NEC. Maximum fill as a percentage of conduit cross-sectional area shall be 40% for more than two wires.

4.5.7.9. All EMT conduit shall comply with UL 797 and shall be zinc coated steel. All couplings and connectors shall be zinc-coated, rain-tight, gland compression type with insulation throat. Crimp, spring or set-screw type fittings are not acceptable.

4.5.7.10. All back boxes shall match the raceway material.

4.5.7.11. Junction boxes and pull boxes shall have NEMA ratings suitable for the location in which they are installed.

4.5.7.12. All conduits shall support independently at intervals of equal or less than 90 cm. Under no circumstances shall conduit carrying power be used for any type of structural support. Junction boxes shall be secured to studs using a minimum of two (2) screws and securely mounted to the wall, power-poles or wire-mold. Light fixtures shall be secured to the ceiling with screws or other fasteners.

4.5.7.13. No conduit smaller than 20 mm in electrical trade size shall be used, nor shall any have more than the equivalent of three 90 degree bends in any one run.

4.5.7.14. All conduit entering or leaving electrical panel shall be stubbed up directly below the vertical section in which the conductors are to be terminated. Top entry is prohibited for all electrical panels.

4.5.7.15. No wire shall be pulled until the conduit system is complete in all details. The ends of all conduits shall be tightly plugged to exclude dust and moisture during construction.

4.5.7.16. Wall switches shall be 10A, 250 Volt heavy duty, specification grade, toggle action, flush mounting quiet type.

4.5.7.17. All electrical receptacles shall be standard US Duplex outlets rated at 115V and 20 Amps. An exception to this requirement shall be for the electrical receptacle for each Communications box. For this equipment, a French style receptacle shall be installed above the box to allow for compatibility with Government-installed communications equipment. The power supply to these receptacles shall remain 120V, 60 Hz. All electrical receptacles shall be labeled by the Contractor with the corresponding circuit breaker on the electrical distribution panels.

4.5.7.18. All wiring devices shall be matching ivory color. Wiring devices and faceplate colors must match and be consistent with the interior wall types and colors. Use grounding type wiring devices. Outlet boxes must not be placed back to back. Provide a minimum of 12 inches (300 mm) of separation between outlet boxes located on opposite sides on common walls.

4.5.7.19. Under no circumstances shall any circuit breaker exceed the rated ampacity of the branch circuit wiring that it feeds. All circuit breakers in an electrical panel must consistently match the panel manufacturer and calculated short circuit ratings.

4.5.7.20. All electrical panels should be supplied from the manufacturer of the functional units (the circuit breakers). All electrical panels should be design verified by the original manufacturer of the functional units per IEC61439.

4.5.7.21. Electrical distribution panels shall be mounted on the interior of each facility.

4.5.7.22. All sections and devices of the electrical panels shall be UL listed and labeled. Service equipment shall be UL labeled as suitable for use as service entrance equipment.

4.5.7.23. Provide a minimum of 15% empty space and 15% spare capacity (ampacity) for all electrical panels.

4.5.7.24. Distribution and branch circuit panel boards should be of the wall-mounted, dead-front type, equipped with bolt-on circuit breakers.

4.5.7.25. Electrical panels buses: non-tapered, tin-plated copper. Provide a fully rated neutral bus. Provide a copper ground bus extending throughout the entire length of the panel, firmly secured to each vertical section structure and equipped with lugs for external ground connections.

4.5.7.26. RCBO 30mA circuit breakers shall be used for all branch circuits except the branch circuit that feeds the fire alarm panel. Ensure that the circuit breaker short circuit interrupting rating is not less than the available short circuit current at its location.

4.5.7.27. Provide a lock-on breaker in the branch panel board that serves as the primary power supply for the fire protection system. Identify that breaker in red permanently.

4.5.7.28. Ensure that conduit runs between outlet and outlet, between fitting and fitting, or between outlet and fitting does not contain more than the equivalent of three (3) 90-degree bends, including those bends located at the outlet or fitting. Do not install crushed or deformed conduit.

4.5.7.29. The contractor should field test all electrical panels on-site by performing physical, electrical, and mechanical tests in accordance with the manufacturer's recommendations & NETA ATS.

4.5.7.30. The contractor should remove all rubbish and debris from inside and around the electrical panels. Remove dirt, dust, and concrete spatter from the interior and exterior of the equipment using brushes, vacuum cleaner, or clean, lint free rags.

4.5.7.31. The Contractor shall perform field adjustments of the protective devices as required to place the equipment in final operating condition. The settings shall be in accordance with the approved short circuit and protective devices coordination study.

4.5.8. Interior Lighting:

4.5.8.1. All lighting and control equipment shall be full complied with UFC 3-530-01 and the latest version of the Illuminating Engineering Society of North America (IESNA).

4.5.8.2. Only solid-state LED luminaries shall be used in the facility.

4.5.8.3. The Contractor should submit computer-generated photometric plans for each space to verify proposed luminaires and locations meet the required performance per UFC 3-530-01.

4.5.8.4. Use a correlated color temperature (CCT) of no greater than 4100K for all interior spaces. Do not mix source CCTs within a single building. Use a color rendering index (CRI) of no less than 80.

4.5.8.5. All LED luminaires require a 10-year warranty.

4.5.8.6. For fixture driver, total current harmonic distortion (THD) less than or equal to 20% at full and 50% output. Power factor (PF) greater than or equal to 0.9 at full and 50% output.

4.5.9. Exterior Lighting:

4.5.9.1. All lighting and control equipment shall be full complied with UFC 3-530-01 and the latest version of the Illuminating Engineering Society of North America (IESNA).

4.5.9.2. Only solid-state LED luminaries are permitted.

4.5.9.3. Exterior lights shall be rated for exterior use in extremes of heat and dust (IP65).

4.5.9.4. Use a CCT of no greater than 4100K. Use a color rendering index (CRI) of no less than 70.

4.5.9.5. Use fully shielded or IES U0 luminaires to eliminate direct light above the horizontal plane.

4.5.9.6. For fixture driver, total current harmonic distortion (THD) less than or equal to 20% at full and 50% output. Power factor (PF) greater than or equal to 0.9 at full and 50% output.

4.5.9.7. All fixtures should be Photo sensor on/ photo sensor off. At sunset or shortly after, the lights automatically turn on. At sunrise or shortly before, the lights automatically turn off.

4.5.9.8. Exterior lights shall be in an aluminum housing with a tempered glass cover.

4.5.9.9. LED luminaires require a 10-year warranty.

4.5.10. Lightning and Grounding Protection System:

4.5.10.1. The Contractor shall furnish and install grounding rods outside of each facility. The grounding rods shall be a minimum of ¾ inch diameter and 10 feet long solid cooper. The rods shall be connected to the facility, electrical panels, and communication boxes with a minimum size 4 AWG copper grounding cable with green colored jacketing and standard acorn fitting on the grounding rod. Ground rods shall be tested by the Contractor and shall have a minimum resistance of 25 Ohms.

4.6. Communications:

4.6.1. Inside Plant (ISP):

4.6.1.1. Reference the latest version of the following documents:

4.6.1.1.1.1. Air Force Base Area Network Functional Specification (BAN-FS)

4.6.1.1.1.2. ANSI/TIA-568 – Generic Telecommunications Cabling for Customer Premises

4.6.1.1.1.3. ANSI/TIA-569 – Telecommunications Pathways and Spaces

4.6.1.1.1.4. ANSI/TIA-606 – Administration Standard Telecommunications Infrastructure

4.6.1.1.1.5. TIA-942 – Telecommunications Infrastructure Standard for Data Centers

4.6.1.1.1.6. UFC 3-580-01 – Telecommunications Interior Infrastructure Planning and Design

4.6.1.1.1.7. MIL-HDBK-232A – Red/Black Engineering-Installation Guidelines

4.6.1.1.1.8. CNSSAM TEMPEST/1-13 – Red/Black Installation Guidance

4.6.1.1.1.9. CNSSI 7003 for additional design requirements for classified infrastructure

4.6.1.2. The Contractor shall submit shop drawings for communications layout and facility connection. The Contractor shall verify all measurements during site visit.

4.6.1.3. The Contractor shall furnish and install all Data and Telecom outlets, faceplates, junction boxes, wire-mold and associated conduit and basket trays. The Contractor is NOT responsible for furnishing or installing any Voice, Data, Communications or phone wiring or cabling.

4.6.1.4. The Contractor shall furnish and install two (2) communications boxes (Chatsworth CUBE-iT, PN: 11840-736 or equivalent) in each facility. Communication boxes shall be mounted on the interior wall with a 19.05mm (3/4”) Fire Rated Plywood or 19.05mm (3/4”) Plywood with two (2) coats of Fire Retardant Paint. A grounding bus shall be furnished and installed on the plywood with a ground wire connected to the communications box and to the exterior grounding rod.

4.6.1.5. The Contractor shall install a minimum of 1 inch (27mm) electrical metallic tubing (EMT) conduit from basket tray to each outlet. To avoid cutting cable, place rubber grommets on edge of 1” EMT. Reference UFC 3-580-01 and ANSI/TIA 569. Cable basket tray shall run back to Communications room water falling to rack location(s). Cable tray shall be installed to US NFPA/NEC code or UK equivalent.

4.6.1.6. Equipment/telecommunications outlets shall be installed in accordance with the Conceptual Drawings. An equipment/telecommunications outlet should be installed at the same height and within 1m (3ft) from a power outlet. The maximum fill ratio of any cable tray or conduit is 50%. Reference ANSI/TIA-569. All wall outlets, patch panels, and cables shall be labeled. Reference ANSI/TIA-606, Table 4, and Table 5. The Contractor shall install CATV locations at 1800mm where designated and place electrical receptacle at 1800mm next to each CATV designation(s).

4.6.1.7. Communications conduit for Unclassified and Classified ports inside the facility shall be separated by a minimum of 3 feet on the walls of the facility. Classified ports shall be mounted below the Unclassified network ports.

4.6.2. Outside Plant (OSP): This section refers to the pathways used to install cabling on a base.

4.6.2.1. The Contractor shall furnish and install Schedule 80 PVC communication conduits placed in the ground as a depth of 3 feet that enter the facility and run from the facility to the nearest Communications Manhole or Handhole. The conduit shall be connected to an open duct terminator in the Manhole or Handhole and sealed with grout.

4.6.2.2. The Contractor shall ensure that all applicable locater tape, tracer wire and sand are placed to allow for proper surveying of the lines. This is to include a bed of sand 12 inches thick beneath the duct bank, 12 inches of sand placed on top of the duct bank, with locater tape placed on top of the sand.

4.6.2.2.1. Upon burial of the distribution cable, the COR will confirm that the tracer wire functions properly before Final Acceptance of the project. Should the COR not be able to accurately trace the wire, the Contractor shall re-lay wire as needed.

4.6.2.2.2. The Contractor shall ensure that all building penetrations for conduit are properly sealed with exterior rate sealant to provide a waterproof connection.

4.6.2.3. Communications inlets to the facilities shall have a steel junction box mounted on the exterior and interior of the facility attached to the conduits coming from the Communication Manhole or Handhole. Each Communications box shall have a separate inlet to the facility to separate Unclassified and Classified network connections.

4.6.2.4. The Contractor shall ensure that all building penetrations for communications conduit are properly sealed with exterior rated sealant to provide a waterproof connection.

4.7. Fire Alarm Detection:

4.7.1. Each PEB shall contain smoke detectors rated for a 10 year battery life that comply with NFPA standards. The detectors shall be wired into the facilities’ electrical panels.

5. Bid Option 1 (THIS SECTION IS MANDATORY AND WILL BE EVALUATED AS PART OF CONTRACT AWARD. This section is for two additional billeting facilities, all specifications above pertain to these two facilities as well. Actual inclusion of this section in the final award will be based on the price proposed and available funding, per the discretion of the Contracting Officer. Please read Solicitation Clause 252.236-7007 Additive or Deductive Items for further details.)

5.1. The contractor shall provide all engineering, designs, management, tools, equipment, materials, supplies, transportation, supervision, and labor necessary to construct an additional 5 complete and usable facilities Pre-Engineered Buildings around Chabelley Airfield in accordance with attached drawings and specifications. Work is to include the demolition and disposal of existing structures, necessary site improvements to ensure proper drainage of the site in order to mitigate ponding and/or flooding of adjacent facilities, and all utility connections to provide complete and useable facilities. Contractor shall perform all work in accordance with this Statement of Work (SOW). Contractor shall coordinate all work with the Contracting Officer and Project Engineer.

5.2. All bid option locations are shown on the site plan.

6. STORAGE AND DISPOSAL OF CONTRACTOR MATERIALS

6.1. The Contractor shall be responsible for the receipt, unloading, security and handling of all equipment and materials required for the completion of this work. The Contractor shall identify storage area requirements and coordinate said location with the Government. Contractor shall provide security fencing around any stored material. The Contractor shall separate metal, concrete, rubble, and burnable items. Contractor shall dispose of materials.

7. CONTRACTOR FURNISHED ITEMS AND SERVICES

7.1. The Contractor shall furnish all necessary supplies, fuels, lubricants, solvents, parts, materials, equipment, products, tools, electricity, any other items, and all services that are required to perform this statement of work.

7.2. Schedule of Work: Upon receipt of Notice to Proceed for this project, the contractor shall immediately commence with scheduling of all design and demolition activities. The contractor shall provide the government with a schedule of work within seven calendar days.

7.3. Weekly Progress Report: The contractor shall provide the inspector with a demolition report on a weekly basis, summarizing progress against the schedule of work. The weekly progress report shall include (at a minimum): completed activities, upcoming activities, equipment order status, vehicle and manpower totals, summary of issues, completion percentage (progress) of contracted work. Templates are available upon request.

7.4. Project Manager: The contractor shall provide an English speaking Project Manager. The contractor shall provide a site foreman who speaks English and shall be available on site at all times while work is underway.

8. PERIOD OF PERFORMANCE (PoP)

8.1. Design Performance Period: 100 calendar days.

8.2. Construction Performance Period: TBD calendar days.

9. SCHEDULING AND PHASING OF WORK

9.1. The Contractor shall develop a schedule based on the PoP and other data below. The PoP shall include a design phase and a construction phase.

9.2. Design: The Contactor shall start the design phase upon receipt of the Design Notice to Proceed (DNTP) from the CO. The design period shall include two (2), thirty (30) calendar day design periods for the Contractor to proceed from 15% to 60% design, and from 60% to 90% design. The Government shall have a fourteen (14) calendar day review period after the submittal of 60% and 90% design periods. The Contractor shall have fourteen (14) days to finalize 100% drawings after receiving approval from the 90% Government design review.

9.2.1. Prior to beginning onsite construction, the Contractor shall submit material catalog data, material samples, design drawings and related calculations to the CO for approval. The Contractor shall be responsible for implementation, coordination, and execution of all regulatory reviews, ensure technical adequacy of the final design, and provide quality control of all phases of the contract. Design submittals shall be submitted in accordance with the Balad Design Requirements Submittal Guide. Upon review by the Government, the submittals along with any comments will be returned to the Contractor. The Contractor shall modify the submittals per the Government’s comments and resubmit within three calendar days for final approval. Upon final approval, the Contractor shall commence with the procurement and demolition activity accordingly.

9.3. Pre-Construction: A Pre-Construction (Pre-Con) meeting is required prior to demolition. Topics to be covered include Force Protection escorts, project schedule, approved haul routes, approved lay down areas, period of performance and any contractor issues or concerns. Attendance is required by the Contractor to begin work. Pre-Con members include the Contracting Officer, Project Engineer, Construction Manager, and may also include the Physical Security representative, Force Protection representative, Fire Inspector representative, User, Wing Safety and Airfield Management. The Contracting Officer reserves the right to waive the Pre-Con meeting requirement.

9.4. Construction: The Contractor shall start the construction PoP upon receipt of the Construction Notice to Proceed (CNTP) from the CO. The Contractor shall be responsible for managing construction within the performance period for this project. The Contractor shall maintain a set of red line drawing showing all changes and/or variations from the original design set. Red line drawings shall be required on-site at all times and are to be made available for inspection upon Government request.

9.4.1. The Contractor shall phase construction so that only one site is mobilized at a time to construct the PEBs (for example, the Contractor is permitted to construct PEBs 1-5 simultaneously, but shall not simultaneously work in a second location.) When nearing completion at one site, the Contractor is permitted to begin site prep and construction at another site with proper coordination with the COR and CO. This shall be up to the discretion of the Government.

9.4.2. PEB 11 (and PEBs 12 and 13 if the bid option is taken) shall be constructed last.

9.5. Post-Construction: Post-Construction activities include the pre-final and final inspections as described in this statement of work. This shall occur at least three days before the end of the performance period. The CO and CE shall be present for all inspections, tests, start-up, and commissioning operations. The Government reserves the right to have any subject matter expert present during inspections and commissioning. The Contractor shall ensure that the site area is clean, without damage and returned to the state it was prior to construction. This includes restoration of any utilities and grounds that are unnecessarily damaged during the construction process. The Contractor shall make available to the CO all test results prior to the acceptance of the work by the Government. The Contractor shall prepare and deliver to the CO a letter of warranty for workmanship and defective materials. The Contractor shall ensure all utilities are connected and functioning properly before turning the facility over. It is the Contractor’s responsibility to connect to the Government provided utilities. The Contractor shall deliver a complete set of As-Built drawings to the CO for approval/disapproval.

10. INSPECTIONS AND QUALITY CONTROL

10.1. The Contractor shall comply with the general terms of the overall contract with respect to demolition quality control, inspections of the work by the Government, and acceptance inspections. The Contractor shall submit a Quality Control Plan to the Government for review and approval.

10.2. The Contractor shall deliver all copies of all submittals to the CO IAW the AF Form 66 Schedule of Material Submittals.

10.3. The Contractor shall submit a 15% design with their bid package. The submittal and all subsequent plans shall be IAW EDRC\ITL TR-19-7 and shall include but are not limited to: site survey, site plan, demolition plan, grading plan, and construction plan. All design submittals shall include a Design Analysis. The Contractor shall provide two (2) sets of design files, one (1) compatible with AutoCAD 2020 and one (1) in Portable Document Format (PDF) format. All materials and documents supplied to the Government shall be the sole property of the Government.

10.4. Design reviews will be conducted by the Government and shall have a fourteen (14) day review period. The review will evaluate the compliance of the design criteria given in this SOW to include all standards, codes, regulations, and publications incorporated by reference.

10.5. All review comments will be sent via email to the Contractor. The Contractor shall respond to Government comment within three (3) days of when the comments are sent from the Government.

10.6. The Contractor shall provide a detailed Project Schedule within seven (7) calendar days from the DNTP. The Project Schedule shall include all major work tasks with supporting durations.

10.7. The Contractor shall submit progress reports on an AF Form 3065 Contract Progress Report provided to the Government every seven (7) days. Progress payments will be made based solely by an approved Government progress report. Progress Reports will be developed by the Contractor and Government separately for review. The CO will evaluate discrepancies between Contractor and Government reports before any and all progress payments.

10.8. The Contractor shall coordinate with the CO to complete and process a Base Civil Engineering Work Clearance Request (AF IMT 103); commonly referred to as a “Dig Permit”. The AF IMT 103 shall be submitted within seven (7) calendar days from the DNTP. All Utility markings or markers shall be maintained by the Contractor throughout the duration of the project. The approved AF IMT 103 shall be maintained on-site by the Contractor for the duration of the construction. If a utility is severed or damaged due to neglect or if attributed to the fault of the Contractor, the Contractor shall repair and return the utility back to the same condition it was prior to the damage, within four (4) hours, at no additional cost to the Government.

10.9. The Contractor shall develop and maintain an adequate Quality Control Program (QCP) to ensure materials and…