Atch_2_-_SOW_Global_ASNT_24_July_2019.pdf

Attachment 2 to

FA466419BA004

Amendment 0002, 25 July 2019

DESIGN-BUILD

STATEMENT OF WORK

FOR

Global Aircrew Strategic Network Terminal (Global ASNT) Increment 1

Building 470

PDPG 17-0110

452nd CIVIL ENGINEER DIVISION

March Air Reserve Base, CA

07/24/2019

TABLE OF CONTENTS

Global ASNT Increment 1 – B470, PDPG 17-0110

MARCH ARB, CA

i

PART 1 - GENERAL

1.1 APPLICABLE DOCUMENTS

1.2 SCOPE

1.2.1 2.5 ton split Air Conditioning System

1.2.2 New Flooring 2

1.2.3 New Vestibule 2

1.2.4 6-Inch Diameter PVC Conduit 2

1.2.5 Antenna Platform 3

1.2.6 Security Fence 3

1.2.7 Wall Partition between Rooms 139 and 141 3

1.2.8 Windows 3

1.2.9 Design 4

PART 2 - ADMINISTRATIVE REQUIREMENTS

2.1 NOTICE TO PROCEED

2.2 MEETINGS REQUIRING ATTENDANCE

2.2.1 Kick-off Meeting

2.2.2 Preconstruction Meeting

2.2.3 Construction Meetings

2.3 GENERAL SECURITY REQUIREMENTS

2.3.1 Base Access

2.3.2 Hours of Operation

PART 3 - DESIGN PHASES

3.1 DESIGN PHASES

3.1.1 Design Reviews

3.1.2 Design NTP

PART 4 - DELIVERABLES

4.1 SUBMITTALS

4.1.1 Deliverables

4.1.2 AF Form(s) 3000

4.1.3 AF Form(s) 3064

4.1.4 AF Form(s) 3065

PART 5 - CONSTRUCTION

TABLE OF CONTENTS

ii

5.1 CONSTRUCTION ADMINISTRATION

5.1.1 Construction Notice To Proceed

5.1.2 Sanitary Facilities

5.1.3 Permitting

5.1.4 Power Outage Coordination

5.1.5 Coordination of Craning Operations

5.1.6 Pre-final Inspection

5.1.7 Final Inspection

5.2 QUALITY CONTROL

5.3 QUALITY ASSURANCE

5.4 CONTRACTOR SITE REPRESENTATIVE

5.5 SALVAGE & TRANSFERABLE ITEMS

5.6 PERSONAL PROTECTIVE EQUIPMENT (PPE)

PART 6 - CONTRACT PERFORMANCE PERIOD

6.1 CONTRACT PERFORMANCE PERIOD

6.1.1 Design Performance Period

6.1.2 Construction Performance Period

6.1.3 Contract Performance Period

PART 7 - CONTRACT COMPLETION/ACCEPTANCE

7.1 AS-BUILT DRAWINGS

7.2 O&M MANUALS

7.3 WARRANTY INFORMATION

7.4 TRAINING

PART 8 - GOVERNMENT POINTS OF CONTACT

8.1 CONTRACT ADMINISTRATION

8.2 BASE CIVIL ENGINEERING

APPENDIX A – BUILDING SPECIFICATION

PART 1 - GENERAL

This Statement of Work (SOW) defines the scope of work for the Base Civil Engineer contractor to install the Global ASNT increment 1 at building B470 at March Air Reserve Base, CA (MARB).

The Contractor shall provide the engineering, supervision, labor, equipment, materials, facilities, and other requirements necessary for, or incidental to, the performance of work set forth herein.

Primary technical services shall be performed by individuals who are licensed members of architectural, planning, science, and engineering professions. Global ASNT System Footprint, Version 6, is the primary technical requirements document by which the contractor shall design and construct the project. Any conflict herein with the Global ASNT System Footprint, Version 6, the Global ASNT System Footprint, Version 6, will prevail.

1.1 APPLICABLE DOCUMENTS

Contractor shall comply with MARB Facilities Excellence Plan (FEP) and the following technical references:

(UFC) 1-200-01, General Building Requirements, 20 June 2016 with Change 1 dated 01 Feb 2018 and Change 2 dated 01 Nov 2018

UFC 3-575-01 – Lightning Protection

Air Force Instruction (AFI) 32-1065 – Attachment 4

UFC 3-540-01, Engine-Driven Generator Systems for Backup Power Applications

Global ASNT Equipment Locations

Global ASNT Site Product Support Agreement (PSA)-March ARB

UFC 1-300-07A, Design Build Technical Requirements

UFC 3-120-10, Interior Design

UFC 3-190-06, Protective Coatings and Paints

UFC 3-201-01, Civil Engineering

UFC 3-310-04 Seismic Design of Buildings

UFC 3-401-01 Mechanical Engineering

UFC 3-410-01 Heating, Ventilating, and Air Conditioning Systems

UFC 3-410-02 Direct Digital Control for HVAC and Other Building Control

Systems

UFC 3-450-01 Noise and Vibration Control

UFC 3-501-01 Electrical Engineering

UFC 3-520-01 Interior Electrical Systems

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

UFC 3-540-01 Engine-Driven Generator Systems for Backup Power Applications

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

UFC 4-010-01 DoD Minimum Antiterrorism Standards for Buildings

UFC 4-022-03 Security Fences and Gates

March ARB Guide Specification Environmental Protection

Global ASNT System Footprint, Version 6

MARB Facilities Excellence Plan (FEP) (Attached)

MARB Environmental Protection Specifications and Guidance For MARCH ARB

Global ASNT (Attached)

UFC documents can be obtained from the Whole Building Design Guide

(http://www.wbdg.org/). AFI documents can be obtained from Whole Building Design Guide

(http://www.wbdg.org/ffc/af-afcec/instructions-afi)

1.2 SCOPE

The Contractor shall provide a new 2.5 ton split air conditioning, modify the existing walls, provide power to the new telecom equipment, provide power to the relocated equipment in the basement, provide and install the antenna platform, provide and install new flooring, modify the ceiling, update the engineering drawings to reflect the new changes in the facility, and perform all the necessary calculations and the engineering studies. All the work will be performed under a design-build contract upon the issuance of the Notice to Proceed (NTP) by the Contracting Officer (CO).

The following tasks will be required:

1.2.1 2.5 ton Split Air Conditioning System

1) Provide and install 2.5 ton split air conditioning system with condensate removal pump. Install the outdoor unit in the existing equipment yard.

a) Provide and install refrigerant lines between the indoor and the outdoor units including the thermal insulation and the vapor barrier.

b) Provide and install the power supply and controls.

2) Provide and install the condensate removal pump and the associated piping with thermal insulation and vapor barrier.

a) Connect the pump discharge to the existing system.

b) Install check valve and isolating valve on the new and existing pumps.

3) Provide new 4-inch concrete pad for the outdoor unit.

4) The indoor unit will be hang from 4 steel rods with rubber vibration isolating pads.

5) The design and construction of the system including the type of refrigerant and minimum efficiencies will conform to the applicable UFCs and ASHRAE requirements.

6) The system split system shall be made by Mitsubishi or equal.

1.2.2 New Flooring

1) Remove the existing carpet and flooring in rooms 139 and 141 and the existing and new vestibules.

2) Clean the floor of the above spaces and install the new anti-static flooring suitable for electronic equipment rooms. Provide maximum coverage. Conductive vinyl tile must be a homogeneous vinyl product and conform to ASTM F1700. Provide electrical resistance from surface to surface and surface to ground between 25,000 ohms and 1,000,000 ohms when tested in accordance with ASTM F150. Tile must be 12 inches square and 1/8 inch thick.

3) Provide and install wall base, 5 inch minimum.

http://www.wbdg.org/ http://www.wbdg.org/ffc/af-afcec/instructions-afi

4) Floor: 1/8” Vinyl composition tile with rubber base molding.

5) Remove the existing flooring, save the ramp, and re-floor it as room 141.

1.2.3 New Vestibule

1) Remove the existing ceiling above the new vestibule, see drawing BLDG-470_SK-002.

2) Remove the existing cell phone lockers

3) Remove the wall and the door as shown on the attached drawings, save the door and the hardware for reuse

4) Install new hard ceiling to match the ceiling above the current vestibule

5) Patch the wall to match the existing walls

6) Relocate the existing light from the current vestibule to the new vestibule

7) Build a new wall as shown on the attached drawing to match the corridor wall

8) Install the saved door and the hardware

9) Paint the walls to match the existing walls

10) Relocate the exit button switches, security keypad, and wiring

1.2.4 6-Inch Diameter PVC/Steel Conduit

1) Install 6-inch diameter conduit from the new outdoor antenna to the face of building 470 then change to 6-inch steel conduit to the equipment room. See the Partial System Footprint, version

6, for the platform construction. The conduit will be terminated in room 141 9’-0” above the floor level.

2) Conduit will be installed underground from the antenna platform to the building face, 12 inch minimum from the conduit top point to the grade above. Conduit will run on the building face then enter the building above the ceiling of the 1st floor.

3) The exterior part of the conduit will be painted to match the building exterior.

4) The 6-inch conduit termination is at least 12" above antenna platform and termination location does not interfere with antenna operation

5) Underground conduits will be PVC encased in light weight concrete (slurry) and the above ground conduits including the conduits inside the building will be steel.

1.2.5 Antenna Platform

1) Fabricate the platform from low carbon content structural steel.

2) After fabrication the entire platform will be hot-dip galvanized, no welds or cuts after galvanizing.

3) Use 304 stainless steel bolts, nuts and washers to assemble and attach the platform to the foundation

4) Foundation will be reinforced concrete, 4 inch minimum above grade. The top surface will be slopped to prevent any water accumulation or ponding above the concrete.

5) Provide and install grounding system as per UFC 3-501-01 “Electrical Engineering”

6) Structural Engineer must follows the Global ASNT System Footprint, Version 6. Comply with requirements for resonance frequency and rotational stiffness parameters noted in

Section 2.4.1 in addition to wind, live and dead loads. SK-004 provided for reference only, Global ASNT System Footprint will govern if there is any conflict with SK-004.

7) Provide a 20 amp GFI duplex service receptacle in the platform area. The receptacles location shall not block the antenna signal path range. Provide 2 inch conduit to the electric panel in the building for the receptacle and the area lighting.

8) The antenna platform will comply with all the requirements of the Global ASNT System

Footprint – Version 6.

9) The minimum clear space under the platform is 2’-0”.

1.2.6 Security Fence

1) Provide and install security fence 25’x25’, 7’-0” high, with 3-row barbwire as shown on the attached drawings, BLDG-470_SK-003.

2) Provide lightning protection system integrated with the fence to protect the new antenna

3) Provide and install access gate 48 inch wide, minimum, with security lock on south side of the fence.

4) Provide lighting as per the Global ASNT System Footprint, version 6, requirements. Lighting system will be controlled by adjustable photocell. Wires for power, camera, and antenna will run in separate conduits.

5) Provide camera pole and 1 inch conduit to room 009 in the building basement for the camera integration with the security system. The conduit shall be PVC underground and steel above ground and inside the building.

6) The antenna platform will comply with all the requirements of the Global ASNT System

Footprint, Version 6, SK-003 is for reference only.

7) The conduits for the antenna, power, and camera will be incased in light weight concrete

(slurry) for the underground part.

1.2.7 Wall Partition Between Rooms 139 and 141

1) Remove the wall partition between rooms 139 and 141 from the floor up to 4 inch below the ceiling in room 139

2) Ensure that the remaining part of the partition is adequately supported, provide additional support as necessary.

3) Relocate the power outlets and IT ports on the removed wall to nearest walls

4) Patch the wall at the cut line and paint to match the existing walls

5) Minimize the dust spread by using vacuum machine with air filters to capture the dust form the cutting tool. Some of the existing telecommunications equipment will stay operational during the construction and the equipment should be protected from the dust intrusion.

1.2.8 Windows

1) Provide and install two sliding (openable) windows, 3 ft x 3 ft, with lock and movable vision security screen. The locks and screens will be on rooms 138 and 144 side.

2) One window will be installed on the wall between rooms 138 and 139, the other window between rooms 141 and 144

3) Windows will be double pane glass and unidirectional vision to block the vision from rooms

139 and 141.

4) Provide and install 16”x16” port with door and lock between rooms 144 and 141. The lock will be on the room 144 side.

1.2.9 Power Supply

1) Provide power supply from the electrical panel (supported by the backup generator) to a single point in room 139 terminated in a junction box, exact location to be determined. Electrical power consisting of a 208 VAC, 60 Hz, 3-phase, 20 amp per phase connection that can support an 8,250 W draw within 160 feet (49 meters) of its sited location; or 240 VAC, 60 Hz, single-phase, 50 Amps power; however, the host installation must obtain approval to utilize these configurations from the PMO if the primary power configuration cannot be achieved.

2) Provide power supply to the lighting system and the power outlet at the antenna site.

3) The power should be connected to both grid power and generator power for system backup purposes. The equipment design is rated for 7,500 W, which includes future increments. With an assumed margin of 10% the power will require a circuit rated for an 8,250 W draw as well as a fixed grounding point with a value of 10 ohms or less resistance IAW Military Handbook

419 (MIL-HDBK-419) Grounding, Bonding, and Shielding for Electronic Equipment and

Facilities.

4) Civil Engineering identified Panel EL1B located in room 142 as being able to support the 208

VAC 3-phase power demand with 31,32, and 33 spare circuits, respectively, and 20 Amp (A) per phase service.

1.2.10 Design

1) Perform all the necessary calculations

2) Provide the design drawings

3) Provide the final stamped drawings

4) Update the building as-built drawings

5) Follow the Environmental Guide specification

6) Prepare documentation of the project to meet SHPO requirements for submission to the

Historic Register to include pictures of before and after of all elements of the facility and the area.

PART 2 - ADMINISTRATIVE REQUIREMENTS

2.1 NOTICE TO PROCEED

This project will include multiple Notices to Proceed (NTP) consisting of a design NTP and a construction NTP.

2.2 MEETINGS REQUIRING ATTENDANCE

The Contractor shall participate in and/or facilitate on-site meetings as required by this Statement of Work. The purpose of these meetings include, but are not limited to, contract discussions, progress reviews, drawing reviews, construction reviews, project status, and the general exchange of information concerning current and future activities. All official meetings will be held at March

ARB in the Operational Contracting Office, Building 449. The Contractor shall prepare a sign-in sheet and meeting minutes for all meetings attended on MARB. Meeting minutes shall include the names and emails of all individuals in attendance. A copy of the meeting minutes shall be provided to the Contracting Officer within 3 calendar days of the meeting.

2.2.1 Kick-off Meeting

A kick-off meeting shall be held within calendar 10 days of contract award. The meeting will be held at the MARB 452 Operational Contracting Office, Building 449. The Contractor is required to attend the Kick-off Meeting. The Contractor shall coordinate a date and time with the

Contracting Officer. The Government may issue a design NTP at the Kick-off Meeting.

2.2.2 Preconstruction Meeting

A preconstruction meeting will be held at the 452 Operational Contracting Office, Building 449.

The preconstruction meeting will be held after Government approval of the 100% Design

Submittal. The Contractor shall coordinate the date and time of the meeting with the Contracting

Officer.

2.2.3 Construction Meetings

The contractor shall schedule and attend meetings during construction as necessary or requested by the Contracting Officer.

2.3 GENERAL SECURITY REQUIREMENTS

Contractor personnel shall have base approved contractor badges to enter onto MARB. The contractor shall conform to all base regulations and directives pertaining to security, safety, fire, traffic, and personnel clearance while conducting business on MARB. The contractor shall ensure conformance of all employees and subcontractors. Contractor will work inside a secure facility and his workers will be escorted all the time.

2.3.1 Base Access

The contractor shall prepare a pass information sheet identifying all employees, including the subcontractor employees, who will be working on MARB. The pass information sheet shall be submitted to the Contracting Officer at award of contract. Upon completion of the contract or expiration of the passes, the contractor shall ensure all passes issued to employees and subcontractor employees are returned to security. Failure to comply with this requirement may result in withholding of final payment.

2.3.2 Hours of Operation

Work hours are Monday thru Friday from 0700 to 1630 hours. Any work performed outside of these days/times shall be coordinated with the COR or Project Engineer and approved by the

Contracting Officer.

PART 3 - DESIGN PHASES

All drawings provided to the contractor are “For Reference Only.” The contractor shall field verify existing conditions during the design phase. Design work shall include, but is not limited to the following:

3.1 DESIGN PHASES

The contractor shall prepare 35%, 95% and 100% design submittals in accordance with schedule in section 6.1.1. Each design submittal shall include items defined in 4.1.1. All project submittal items/packages shall be delivered directly to the Contracting Office.

3.1.1 Design Reviews

The Contractor shall schedule design review meetings after receiving the Government’s design review comments following each design submittal. The meetings shall be held at March ARB and coordinated with the Contracting Officer. The review meeting shall be held per the schedule identified in section 6.1.1. The Contractor’s response to government comments shall be delivered to the Contracting Officer prior to each design review meeting.

3.1.2 Design NTP

A NTP will be issued for each design phase. Contractor’s performance period for each phase of design begins on the date the NTP is issued. Construction phase shall not commence until issuance of construction NTP.

PART 4 - DELIVERABLES

4.1 SUBMITTALS

The Contractor shall submit, to the Contracting Officer, material submittals as identified in 4.1.1 and as required by applicable specifications.

4.1.1 Deliverables

Submittal Requirements

Copies Required

Frequency Hard

Copy

Electronic

Copy

(PDF)

Progress Schedule (AF Form 3064) 3 1 NLT 10 calendar days after construction NTP

Progress Report (AF Form 3065) 3 1 Monthly

Meeting Minutes 0 1 Within 3 calendar days of meeting

Electrical & Mechanical Drawings 3 1* At 35%, 95% and 100% Designs

Foundation Drawings for Antenna 3 1* At 35%, 95% and 100% Designs

Manufacturer Specification for New

HVAC Split System 3 1 At 35%, 95% and 100% Designs

As-built Drawings on CD or DVD (full size hard copy, PDF and AutoCAD electronic)

1*

At Final Inspection

O & M Manuals & Warranty Info on

CD or DVD 3 1 At Final Inspection

* Electronic design drawings shall be submitted in both .pdf and AutoCAD (2016 or earlier) files. Submit one full-size (30”x40”)set and two half size sets (18”x24”).

4.1.2 AF Form(s) 3000

Each submittal shall contain a completed Air Force Form 3000, Material Approval Submittal. This form may be obtained from the Air Force E-Publishing website at: http://www.e-publishing.af.mil/. The Contracting Officer will not accept any submissions that do not contain a complete AF Form 3000.

4.1.3 AF Form(s) 3064

Contract Progress Schedule (AF Form 3064) Within 10 calendar days after construction NTP the

Contractor shall submit a signed AF Form 3064, Contract Progress Schedule, depicting an overall contract progress schedule for the main elements of work for the period of performance for approval by the Contracting Officer. Once approved the contract progress schedule may only be http://www.e-publishing.af.mil/ http://www.e-publishing.af.mil/ changed by the Contracting Officer.

4.1.4 AF Form(s) 3065

Contract Progress Report (AF Form 3065): Monthly during construction, the contractor shall submit AF Form 3065, Contract Progress Report, signed by the contractor’s on‐site representative.

The work elements and percentages for each element stated on the AF Form 3065 will be identical to the work elements and percentages on the AF Form 3064.

PART 5 - CONSTRUCTION

The contractor shall construct IAW approved 100% drawings and specifications.

5.1 CONSTRUCTION ADMINISTRATION

5.1.1 Construction Notice To Proceed

Construction shall not begin until the Contracting Officer issues the Construction NTP. The contractor shall schedule and attend a preconstruction meeting at the 452nd Operational

Contracting Office.

5.1.2 Sanitary Facilities

The contractor shall provide temporary sanitary facilities for personnel working at the project site.

5.1.3 Permitting

The contractor shall be responsible for completion and submittal of a March Form 103 (Work

Clearance Request) to the BCE prior to beginning work. Allow a minimum of 14 days for processing of the form.

The contractor shall obtain permits for work associated with hot work, welding, cutting, and brazing from the MARB Fire Department prior to any such work. The contractor shall allow seven

(7) days processing time for these permits.

5.1.4 Power Outage Coordination

Contractor shall coordinate any power outage with the COR or Project Engineer no later than one week prior to the outage.

5.1.5 Coordination of Craning Operations

Contractor shall notify COR 5 calendar days prior to any craning operations required to install equipment.

5.1.6 Pre-final Inspection

The contractor shall request a pre-final inspection with the COR. The pre-final shall be requested with sufficient performance days remaining on the contract to allow for punch list item correction and final inspection completion within the contract performance period.

5.1.7 Final Inspection

The contractor shall request a final inspection, in writing, with the Contracting Officer upon correction of pre-final punch list items. Final inspection shall be requested within the contract performance period.

5.2 QUALITY CONTROL

The contractor is responsible for quality control of both itself and its subcontractors.

5.3 QUALITY ASSURANCE

The government may periodically evaluate the contractor’s performance through on-site inspections during construction.

5.4 CONTRACTOR SITE REPRESENTATIVE

The contractor shall have an authorized representative with decision making authority at the site at all times when there are workers on site or when deliveries/ shipments are received/ made.

5.5 SALVAGE & TRANSFERABLE ITEMS

All salvageable/transferable items shall become property of the contractor.

5.6 PERSONAL PROTECTIVE EQUIPMENT (PPE)

All personnel in the designated work area will wear appropriate hard hat protection, respiratory protection/equipment as necessary, ear protection, safety-toe shoes, gloves, reflective vests, and proper eye protection.

PART 6 - CONTRACT PERFORMANCE PERIOD

6.1 CONTRACT PERFORMANCE PERIOD

The contract performance period will consist of design and construction activities.

6.1.1 Design Performance Period

TASKS

CALENDAR

DAYS (NLT)

NTP/Kick-off Meeting + 0

35% Submittal + 30

Government Review + 5

Design Review Meeting + 5

95% Submittal + 15

Government Review + 5

Design Review Meeting + 5

100% Submittal + 5

Design Performance Period = 70

6.1.2 Construction Performance Period

Construction performance period is 90 calendar days. The construction inside the facility not to exceed 21 days where the facility mission will be relocated to facilitate the construction inside the building. The construction of the fence may not be included in the 21 days if installed after the construction inside the building. The contractor shall begin work as described in the scope of work within 10 days of receiving the Construction NTP.

6.1.3 Contract Performance Period

The total contract performance period will include the periods for design and construction. Total contract performance period shall be as follows:

TASKS

CALENDAR

DAYS

Design Performance Period + 70

Construction Performance Period + 90

Contract Performance Period = 160

PART 7 - CONTRACT COMPLETION/ACCEPTANCE

7.1 AS-BUILT DRAWINGS

The contractor shall submit as-built drawings prior to acceptance of the work. The AutoCAD files shall include all necessary external references and be error free. Missing files or errors will result in submittal rejection.

7.2 O&M MANUALS

The contractor shall submit O&M Manuals for all systems and equipment installed as part of this contract.

7.3 WARRANTY INFORMATION

The contractor shall submit construction warranty information to warranty construction work performed and installed equipment.

7.4 TRAINING

The contractor shall provide training to Government personnel on all systems and equipment that are installed within or in support of the new facility. Training shall be scheduled with COR or

Project Engineer and shall take place prior to the final inspection.

PART 8 - GOVERNMENT POINTS OF CONTACT

8.1 CONTRACT ADMINISTRATION

The Contracting Officer is responsible for addressing all contractual issues relating to the contract.

All changes to the contract shall be processed through the Contracting Officer. The Contracting

Officer is the only individual with authority to direct a contractor or proceed with contract changes.

8.2 BASE CIVIL ENGINEERING

The 452 MSG/CE Project Engineer and COR will provide technical support, project coordination, and guidance as required for the project. The contractor is reminded that neither the Project

Engineer or COR are authorized to direct any change to the contract.

APPENDIX A – BUILDING SPECIFICATION

Finishes

Interior Walls: HDPE laminated ½” drywall.

Floor: 1/8” Vinyl composition tile with rubber base molding.

Doors and Openings

Locks: Best compatible Lockset with changeable core.

Other Door Hardware: Full Mortise, Rust Resistant, Ball Bearing, Heavy

Weight, Non-removable Pin (NRP), Stainless Steel, Commercial Grade 4

½” Hinge, Door Closure, Door Kick Plate, Door Holder, weather strip, aluminum threshold.

Power

Surge Suppression: 45K Peak Amp Surge Suppressor.

Convenience Outlets: 125v/20A Duplex outlets.

Environmental System

HVAC: (1) 2.5-Ton split system, Mitsubishi is the preferred manufacturer

Grounding

Ground Bar: (1) ¼” 2” x 15” Copper Ground Bar.

Halo Grounding: #2 insulated copper halo with four corner drops.

#6 from metallic items to halo.