Installation_Scenario_APS_Draft_RFP.pdf

ATTACHMENT 4

INSTALLATION SCENARIO

PERFORMANCE WORK STATEMENT (PWS)

For

United States Air Force (USAF)

High Frequency Global Communications System (HFGCS) System Program Office (SPO)

Keflavik Transmit (TX) and Receive (RX) Sites Minimum Antenna Complement (MAC) Purchase/Installation

31 December 2015

Unclassified

Approved By:

Department of the Air Force

AFLCMC/HBDH

7697 First Street, Building 201 S.W., Suite 2 Tinker AFB, OK 73145-9042

31 Dec 15 Keflavik TX/RX

Description of Services/General Information

1. Scope. This effort includes the purchase and installation of one Rotatable Log Periodic (RLP) antenna with fencing at the Grindavik, Iceland TX site and one Horizontal Omni-directional Broadband Antenna (HOBA) at the Naval Air Station Keflavik, Iceland RX site. Installation includes cabling and equipment tying the antennas into the respective communications matrices. Removal of an existing antenna is required at the TX site, and a new manhole duct systems (MHDS) is needed at the RX site.

2. Objective. The antenna requirements were identified in the site survey report E001-042A, 5 November 2015, pages 5 thru 9. The contractor shall:

2.1. Perform Installation:

2.1.1. Provide and install one TX RLP Antenna designated as RLP1 located at GPS coordinates 63˚ 50’ 36.95”N, 22˚ 27’ 21.34”W. Antenna (center) placement greater than 50 feet from coordinates shall require SPO approval.

The RLP shall have a feed point impedance of 50-ohms, be constructed of aluminum with aluminum hardware, alumoweld guys and radiators, frequency range of 4-30 MHz and VSWR of 2.0:1 maximum at the antenna. The antenna shall have a maximum diameter footprint of 218-feet, from guy to guy. The antenna shall be capable of withstanding a 140 mph wind with no ice.

2.1.2. Provide and install one RX HOBA antenna designated as LTR3 at GPS coordinates 63˚ 58’ 0.27”N, 22˚ 38’ 24.75”W. Antenna (center) placement greater than 50-feet from coordinates shall require SPO approval. The HOBA shall have a feed point impedance of 50-ohms, be constructed of aluminum with aluminum hardware, frequency range of 3.6-30 MHz, VSWR of 2.5:1, at least 7 dBi nominal gain at 3.6 MHz and greater than 10 dBi nominal gain at 30 MHz. The antenna shall be capable of withstanding a 140 mph wind with no ice.

2.2. Perform De-installation of an existing antenna to allow a new antenna to be erected in the approximate location.

2.2.1. Remove antenna designated as follows (see Attachment 1 – ASC Signal 3005-2L Installation and Maintenance Manual): Spira-cone4 (LTO4/HTO4) located at GPS coordinates 63° 58’ 36.95”N, 22° 27’ 21.34”W.

2.2.2. The contractor shall remove to a depth of 6 inches below ground surface any remaining concrete structures (such as embedment, pads, etc.) not being reutilized in the new antenna construction.

2.2.3. The contractor shall dispose of all components of antennas designated as Spira-cone4 (LTO4/HTO4), except for the radiating elements (balun and curtain) which shall be disposed of by the Government (local base POC). US Navy cable/antenna maintenance personnel will cannibalize components from the Spira-cone.

2.2.4. Remove coaxial cables connected to TX antenna removed (Spira-cone4 (LTO4/HTO4)) as part of this effort. If the coaxial cable is direct buried, remove 6 feet of the cable at both ends, crimp coaxial cable ends, and put a bolt through the crimped outer conductor/inner conductor at both ends of the coaxial cable and abandon in place the remaining direct buried cable.

Remove residual coaxial cable from inside the building and cable duct systems. In the instance it is not possible to remove coaxial cables inside the building due to the interference with structures previously installed, an acceptable alternative is to cut the cable length as short as possible and ground to the Earth Electrode Network (EEN) inside the building.

2.3. Antennas shall comply with Telecommunications Industrial Association (TIA)/Electronic Industries Alliance (EIA) TIA/EIA-222C (or later version) for tower design. The Contractor will comply with manufacturer antenna installation instructions/manuals.

2.4. Provide epoxy coated rebar in all concrete supporting the antenna installations and install a concrete sleeve around each guy anchor. Concrete sleeves shall protrude 10 inches above the soil and extend below the soil to the anchor point as a monolithic pour.

2.4.1. The Contractor shall install 6-foot minimum, high visibility (i.e., yellow or orange) guy wire guards on each guy wire.

2.5. The Contractor shall comply with local policies regarding footing installation and frost line depths.

2.6. Perform grounding, bonding, shielding and lightning protection (GBSLP) on newly installed antennas and coax cables, including establishment of an EEN at the newly installed antenna. The GBSLP shall include connecting all related components of the antenna into an EEN system IAW Military-Standard (MIL- STD) MIL-STD-188-124B, dated 18 Dec 2000, Military-Handbook (MIL-HDBK) using MIL-HDBK-419A Volumes 1 & 2, dated 29 Dec 1987, as a guide and incorporating Original Equipment Manufacturer (OEM) specifications.

2.6.1. Grounding subsystem at newly installed antenna shall be designed to provide no more than a maximum of 10-ohms to ground as measured by a standard Fall of Potential test IAW MIL-STD-188-124B, dated 18 Dec 2000, and MIL-HDBK-419A Vol. 1&2, dated 29 Dec 1987.

2.6.2. GBSLP shall include properly installed coaxial grounding kits on coax at antenna balun connections.

2.6.3. GBSLP shall include properly installed coaxial cable grounding kits and be grounded at the coax entry to the TX facility and RX facility.

2.6.4. GBSLP shall include properly installed surge arrestors on coaxial cables, power cables and azimuth control lines entering the facilities. The HOBA coaxial cable shall have a second surge arrestor (bulk head connector configuration) mounted above the rack containing the RX matrix.

2.6.5. GBSLP shall include properly installed surge arrestors on the power cable and azimuth control lines inside the control box of the RLP at the TX site.

2.6.6. Ground rods shall be copper-clad, at least 3 meters long and ¾-inch diameter. Bare copper wire, of a minimum 1/0 AWG size, shall be used to interconnect the ground rods.

2.6.6.1. Ground rods shall be spaced IAW MIL- STD-188-124B at no more than twice the length of the ground rod (ie, 20 feet).

2.6.6.2. A GBSLP ground ring shall be installed around the center of each antenna.

2.6.7. Where mechanical fasteners are utilized to join two dissimilar metals, use the appropriate fasteners IAW MIL-HDBK-419A.

2.6.8. When individual antenna subsystems are completed prior to a government representative arriving on site to inspect the contractor’s work, multiple sections (at least 10%) of the trench shall be left open for purposes of visual checks and resistance verification for welded or brazed connections, as well as Fall of Potential tests.

2.6.9. Transmission lines shall be installed for each TX antenna. Transmission lines shall be 50-ohm foam dielectric coaxial cable with a total line loss no greater than 2.2-dB at-30 MHz on a TX antenna coaxial cable and no greater than 0.2-dB per 100-feet at 30-MHz on a RX antenna coaxial cable. The contractor shall provide new connectors, coaxial splice kits and coaxial grounding kits, all of which shall be compatible with existing connectors at the facility and the new coax. Contractor shall install flush mount monument markers at all underground coax splices, and underground coax splice GPS coordinates shall be documented in the Communications-Computer System Installation Record. There shall be no less than 1000 linear feet of cable between splices. The coaxial cables shall utilize MHDS as specified in paragraphs 2.9.1 and 2.9.2. Use inline gas tube MIL-STD-188-125-1 surge suppressors with appropriate connectors at the facility. The surge suppressor from Spira-cone4 may be reused with a new gas tube if it meets specifications and is serviceable.

2.6.9.1. Inside the TX facility and RX facility, the transmission line may transition to a smaller diameter 50-ohm foam dielectric coaxial cable between the surge arrestor and the matrix. The total line loss on the RLP coaxial cable at the TX site shall be less than 2.2-dB at 30-MHz.

2.7. Provide and install a climb/step ladder and safety fall arrestor system on all towers being installed under this effort IAW the manufacturer installation instructions.

2.8. Provide and install obstruction lighting on all four towers of the HOBA antenna at the RX site, with a cutoff switch for lighting on each tower, following National Fire Protection Association (NFPA) 70, National Electric Code (NEC).

2.9. Provide and paint obstruction marking paint (white and aviation orange) on all four towers of the HOBA antenna at the RX site IAW FAA AC70/7460-1K.

2.10. Provide and install coaxial cable for the RLP and for the HOBA from their respective matrixes to each antenna. RLP1 (RLP) shall be connected to TX matrix port assignment 7. LTR3 (HOBA) shall be connected to RX matrix port assignment 12.

2.10.1. Provide and install a MHDS, with MH1 at GPS coordinate 63°58'0.70"N, 22°37'34.58"W and MH2 at GPS coordinates 63°58'0.36"N, 22°37'39.30"W).

The MHDS shalloriginate on the west side of the RX facility extending in a southwesterly direction toward LTR3, with approximately 218 feet between MH1 and MH2. Eight Schedule 40, 4-inch conduits shall be installed between MH1 and MH2. See Attachment 2 (figure 6 of site survey report E001-042A, 5 February 2015). Coax and obstruction lighting power line(s) for LTR3 between the inner cable vault (MH1) and the facility shall be placed in 4-inch schedule 40 conduit(s). The MH1 and MH2 shall have a flush mount lid and sit on at least 6 inches of gravel. The MH2 shall have at least eight stub outs on each of the four walls. Vaults and the installation shall meet TIA-758(A) paragraph 4.2.4. Vault lids shall be rated to H-10 loading minimum. The coaxial cable will be direct buried from the MHDS end to the antenna. The coax for the HOBA (LTR3) and cable supplying power for obstruction lighting for the HOBA will be installed in 4-inch schedule 40 conduit between MH1 and the RX facility – approximately 15 feet.

2.10.2. Utilize the existing MHDS (63°50'49.04"N, 22°27'18.85"W) on the south side of the TX facility to accommodate the coaxial cable, azimuth control lines and power cable for RLP1 at the TX site.

2.11. The contractor shall install 48-inch tall Radiation/Hazard (RAD/HAZ) fence 10 feet beyond the outer guy anchors of the new RLP (approximate circumference of 748 feet). The fence shall consist of 5-foot concrete-filled schedule 40 PVC fence posts. Posts shall be set one foot deep in concrete 6inches in diameter and spaced approximately 10 feet apart. Install 3/8-inch nylon, UV resistant and non-stretching rope threaded through narrow PVC tubing placed inside each post about 10 inches down from the top. The rope shall be stretched taut with a knot on both vehicle access gate posts to prevent sagging. The fence vehicle access gate shall be wide enough to accommodate lowering of the RLP antenna tower with a device to disconnect the rope. Attachments 3, 4, 5 and 6 illustrate an example of similar fencing at Diego Garcia.

2.11.1. Place four equidistant RF Hazard signs on the non-metallic fence posts (a minimum of 4-foot high above ground level) around the perimeter of the RLP antenna’s radiation hazard area (reference Air Force Instruction (AFI) AFI 48- 109 and AFRL-SA-WP-SR-2013-003). Signs shall conform to Institute of Electrical and Electronics Engineers (IEEE) IEEE C95.2, American National Standards Institute (ANSI) ANSI Z535.2, and ANSI Z535.4 specifications.

Refer to AFRL-SA-WP-SR-2013-003, Base-Level Guide for Electromagnetic Frequency Radiation (para 7.d.(2).(a)). See Attachment 7 for an RF Hazard sign example.

2.12. Provide and install one 4-inch X 6-inch corrosion-resistant brass or alloy plate on top of the antenna concrete foundation with masonry fasteners with the following information for each of the two antennas:

2.12.1. Inscribe in large easily read font the four character identifier (ie, RLP1 and LTR3) as an antenna name/identifier for each of the two antennas.

2.12.2. Inscribe in smaller easily read font – “Antenna Installation Date: MMM

YYYY”

2.12.3. Inscribe in font same size as the installation date – “Antenna Installed By: United States Air Force”, “HFGCS SPO, Tinker AFB, OK” and “GPS Coordinates: XX˚ XX’ XX.XX”N, XX˚ XX’ XX.XX”W”.

2.12.4. Attach one 12-inch X 24-inch antenna identifier sign to the antenna tower with the four character identifier in large bold black font on a contrasting background. Each sign shall be UV resistant and made for outdoor use with fonts readable from outside the radius of the outer guy wires.

2.13. Before commencement of work in the antenna field, the contractor shall obtain required dig permits for the installation of RLP1 and LTR3.

2.13.1. Upon test and acceptance of RLP1 and LTR3, the contractor shall return the construction site to its pre-construction condition with topsoil on the surface that will support vegetation and all construction debris removed as well as any other antenna installation site remediation tasks.

2.13.2. All antenna installation activities associated with RLP1 and LTR3 shall be completed prior to expiration of the dig permits (November 2016).

2.14. Provide a HOBA antenna spare parts kit from the HOBA antenna manufacturer that will be turned over to the government representative during test and acceptance of the antennas. Spares consist of HOBA parts primarily recommended by the OEM or equivalent.

2.15. Provide an RLP antenna spare parts kit from the RLP antenna manufacturer that will be turned over to the Government representative during test and acceptance of the antennas. Spares consist of RLP parts primarily recommended by the OEM or equivalent.

2.16. A contractor representative shall be present to support Government-led operational test of the installed antenna and antenna subsystems.

3. Schedule. Work will commence upon receipt of award and all field work must be completed no later than November 2016 due to the dig permit requirements; on-site work is estimated at three months. The contractor shall develop a draft schedule for this effort to be included with the proposal.

4. Over & Above Work. N/A.

5. Work Hours. Overtime is not authorized for this effort. Normal business hours at the installation site are 0730-1630 hours, Monday through Friday, excluding federal holidays AND any other days specifically declared by the President of the United States to be a national holiday.

6. Site Access/Security Requirements. The contractor shall be responsible for making timely and necessary arrangements for obtaining security and vehicle entry clearances and passes for access to the project site IAW contractual requirements.

Escorted entry into restricted access facilities will only be available during normal business hours, 0730-1630 hours. Contractor shall have access to antenna fields outside of facilities, not requiring an escort, during normal business hours as well as outside of normal business hours.

7. Supplies/Materials. The contractor shall provide all required supplies, tools, heavy equipment, and material needed to install antennas noted in paragraph 2. of this

PWS.

8. Deliverables. The contractor shall furnish the HFGCS Program Office the following information:

8.1. Contractor Project Schedule – Contractor shall deliver a Project schedule, in Contractor format within 30 calendar days after award, to be updated monthly, and as necessary in the monthly status report (A001).

8.2. Site Facilities Design Data (SFDD) – D001 shall be delivered concurrently with the Telecommunications System Installation Plan (TSIP) not later than (NLT) 90 calendar days after contract award. The Government will review and approve/comment/disapprove deliverable within 15 calendar days of receipt.

8.3. Telecommunications System Installation Plan (TSIP) – D002 shall be delivered concurrently with the SFDD NLT 90 calendar days after contract award. The Government will review and approve/comment/disapprove deliverable within 15 calendar days after receipt.

8.4. Installation and Acceptance Test Plan (IATP) – F001 shall be delivered NLT 90 calendar days prior to station test. The Government will review and approve/comment/disapprove deliverable within 30 calendar days.

8.5. Installation Test Report (ITR) – F002 shall be delivered NLT 30 calendar days after station test. The Government will review and approve/comment/disapprove deliverable within 30 calendar days.

8.6. Communications-Computer System Installation Record (CCSIR) – D003 shall be delivered NLT 30 calendar days after completion of all field work. Installation records shall show all components installed to include all GBSLP activities. The Government will review and approve/comment/disapprove deliverable within 30 calendar days.

8.7. Corrective Actions Report (CAR) – E006 shall be delivered as necessary.

8.8. Quality Assessment Report (QAR) – C002 shall be delivered as necessary.

9. Invoicing. IAW basic contract delivery order.

10. Order POC.

10.1. Contracting Officer’s Representative (COR) Technical Representatives:

10.1.1. Neil Seunath, Program Manager, 405-734-2324 or

neil.seunath.4@us.af.mil

10.1.2. Ernest Goodman, Program Engineer, 405-734-2331 or

ernest.goodman.1@us.af.mil

10.2. Site Antenna Maintenance POC (NAS Keflavik):

10.2.1. TBD

10.3. Site Plans and Programs Office (NAS Keflavik)

10.3.1. TBD

11. Site Shipping Address. NAS Keflavik address TBD

12. Services Summary. TBD

13. Government-Furnished Property and Services. None.

14. Attachments.

14.1. Attachment 1– ASCSignal 3005-2L Spira-cone Installation and Maintenance Manual

14.2. Attachment 2 – E001-42A, 5 February 2015, Technical Report, Figure 6

14.3. Attachment 3 – Fence Gate

14.4. Attachment 4 – Fence Gate Hasp

14.5. Attachment 5 – Fence Rope Knotted

14.6. Attachment 6 – Fence Rope Eyelet

14.7. Attachment 7 – Example RF Hazard Sign

14.8. Attachment 8 – Antenna Name and Information Plate

ACME ANTENNA CDRL Number: E001-042A per DI-MGMT-80508B WWW.ACMEANTENNAINC.COM Date: 31 December 2015

115 E. Durbin Street, Ste. 400 Casper, WY 82601 Page 1

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High Frequency Global Communications System Antenna Program Support

Site Survey Technical Report For

Minimum Antenna Complement (MAC) at Keflavik Transmit (TX) Site and Receive (RX) Site

Prepared By:

Acme Antenna Inc.

31 December 2015

Approved:

JOSEPH ROADRUNNER

Program Manager

Installation Scenario (cont.)

115 E. Durbin Street, Ste. 400 Casper, WY 82601 Page 2

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Table of Contents

Page

1 Overview

1.1 Reference Documents

1.2 Objectives

1.3 General Observations

2 Site Survey Results

2.1 Cable Routing

Outside TX Facility................................................................................................. 11 2.1.1 Outside RX Facility ................................................................................................ 11 2.1.2 Inside TX Facility ................................................................................................... 12 2.1.3 Inside RX Facility ................................................................................................... 14 2.1.4

3 Installation Issues

3.1 Dependencies

3.2 Construction Permits

3.3 Environmental Issues

3.4 Radiation/Hazard Fence and Cable Marker Installation

3.5 Excavation

3.6 GBSLP

3.7 Anticipated Issues

Appendix A Site Survey Team Members Appendix B Keflavik MAC Site Survey Checklist

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List of Figures

................................................................................................................................................... Page

Figure 1 - TX site layout and surrounding area Figure 2 - TX site layout and selected antenna locations Figure 3 - RX site layout and surrounding area Figure 4 - RX site layout and selected antenna locations Figure 5 - RLP1 in relation to the TX building Figure 6 - LTR3 (HOBA) in relation to the RX building Figure 7 - TX Matrix (Note multiple unused antenna port assignments) Figure 8 - Equipment rack (Note adequate space at top right of rack for RLP controller Figure 9 - Cable pathways and Unistrut hangers inside TX building Figure 10 - RX Matrix (Note multiple input cards with unused antenna port assignments) Figure 11 - Bulkhead Surge Arrestor Above Rack Containing RX Matrix Figure 12 - RX RF patch panel (Note trumpeter connector and cables required for HOBA Figure 13 - Cable marker Figure 14 - RADHAZ sign Figure 15 - Displays fence at TX site

List of Tables

______ Page

Table 1 - Major components to be installed Table 2 - Outside cable run lengths (TX) Table 3 - Outside cable run lengths (RX) Table 4 - Inside cable run lengths

WWW.ACMEANTENNAINC.COM Date: 05 November 2015

115 E. Durbin Street, Ste. 400 Casper, WY 82601 Page 4

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1 Overview This Technical Report provides the results from a site survey conducted by a team consisting of one HFGCS System Program Office (SPO) Representative and four Acme Antenna Inc (AAI) Representatives. The site survey was conducted at Keflavik TX Site (Grindavik) and RX Site (NAS Keflavik). The site survey was held during the period of 8 - 16 September 2015. The AAI team was tasked to collect requisite preparatory data for the installation of one antenna at the Keflavik TX Site and one antenna at the RX site as well as grounding, bonding, shielding, and lightning protection (GBSLP), a manhole duct system (MHDS) and to determine if a requirement exists for fencing, obstruction lighting, obstruction marking and/or an environmental assessment for the antennas as stated in the performance work statement (PWS).

1.1 Reference Documents

The following documents form a part of the report to the extent identified herein:

PWS checklist (Appendix B) for USAF HFGCS SPO Keflavik TX Site and RX Site MAC Site Survey

Military-Standard (MIL-STD) MIL-STD-188-124B, Notice 3 – Military Standard – Grounding, Bonding and Shielding for Common Long Haul/Tactical Communications systems

Military-Handbook (MIL-HDBK) MIL-HDBK-419A Vol. 1 & 2 – Military Handbook – Grounding, Bonding and Shielding for Electronic Equipment and Facilities

Engineering performance specification (EPS) EPS-01-OCALC-LIX-0011

Federal Aviation Administration Advisory Circular AC 70/7460-1K

1.2 Objectives

Prior to the site survey, the following objectives were referenced in the aforementioned PWS:

Identify the requirements to install one rotatable log periodic (RLP) antenna at the TX Site

Identify the requirements to install one horizontal omni-directional broadband antenna (HOBA) at the RX Site

Identify optimal locations for these antennas with coaxial cable (coax) lengths to keep signal loss below levels specified in the EPS (ie, less than 2.2-dB at 30-MHz for any TX cable run and less than 0.2-dB per 100-feet at 30-MHz for any RX cable run).

1 EPS-01-OCALC-LIX-001 specifics are provided directly within this document where called out. Thus, this document will not be provided separately.

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Complete an on-site survey check list provided in the Performance PWS and report the detailed findings in this technical report (E001)

1.3 General Observations

The TX site is located on a southwesterly peninsula of Iceland. The antenna field is accessible via a road leading up to the TX Building from the community of Grindavik. The TX building sits in the center of the antenna property which is somewhat accessible to the public; it is not enclosed by a secured fence. Site working hours are from 7:00 AM to 4:30 PM Monday through Friday.

The RX site is located approximately 10-miles north of the TX site on the same Icelandic southwesterly peninsula. The antenna field is on the south end of Naval Air Station Keflavik (NAS Keflavik), and the RX facility is within a 1/2-mile of a US Navy active runway. The RX building sits on the eastside of the antenna property which is somewhat accessible to the public;

it is not enclosed by a secured fence.

All of the HFGCS communications equipment inside the TX facility, RX facility, TX antennas and RX antennas are maintained by US Navy personnel. Local nationals are not employed at either the TX site or the RX site.

A list of crew members will need to be submitted to the site in order to gain building access. The use of cameras, walkie-talkies and cell phones in the antenna fields are permitted; however, cameras are not allowed inside the TX or RX facilities without prior approval. Crew members without clearances will need to be escorted by site personnel while inside the TX or RX facilities.

2 Site Survey Results The site survey was highly successful resulting in the sites for TX and RX antennas having been selected.

During the site survey, the team determined that there are no known indigenous plants or animals that will affect the effort at Keflavik.

The climate of the Icelandic island HFGCS TX Site and RX Site locations are cold oceanic near the southern coastal area and tundra inland in the highlands. The island lies in the path of the North Atlantic Current, which makes its climate temperate higher than would be expected for its latitude just south of the Arctic Circle. The average temperature is 48⁰ – 58⁰ F in August and 28⁰ – 33⁰ F in January. At Keflavik, about 22-hours of daylight is expected in mid-summer and about 2-hours of daylight in mid-winter. The wettest month is October with 3 ¾-inch of precipitation (ie, rain and snow) with May being the driest month with about 1 ¾-inch of precipitation. Additional climatic data can be gained from MIL-HDBK-310.

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There is sufficient indoor space to store those equipment, spools, materials and tools susceptible to theft or weather erosion. The areas outside of the TX and RX buildings may also be used to accommodate crates, sea containers or for staging if needed.

AAI has identified sufficient useable space to install one RLP at the TX site and one HOBA at RX site. Additionally, AAI was able to conduct a brief earth resistivity test, to determine GBSLP design specifications. The team was also able to identify fencing needs, and obstruction lighting and marking requirements. The site survey resulted in the identification of sites for the following antennas:

New Antenna Type/Model No. Antenna Designation Antenna Location

RLP (TCI‐521) TX Site RLP 63° 50’ 36.95”N 22° 27' 21.34”W

RLP Alternate (TCI‐521) TX Site Alternate Location 63° 50’ 35.71”N 22° 28’ 06.28”W

HOBA (TCI‐540‐1) RX Site HOBA 63° 58’ 0.27”N

22° 38’ 24.75”W

HOBA Alternate (TCI‐540‐1) RX Site Alternate Location 63° 57’ 50.49”N 22° 38’ 34.90”W

Table 1 - Major components to be installed

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Figure 1 - TX site layout and surrounding area

Figure 2 - TX site layout and selected antenna locations

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The installation will consist of one RLP antenna at the TX site located at the aforementioned GPS coordinates with a Radiation/Hazard (RAD/HAZ) fence. The installation will require approximately 1,375-feet of coax from the antenna to the building entry. The installation will require approximately 180-feet of coax from the building entry to the matrix for the antenna. An alternate location for an RLP was also identified during the site survey. The approximate outside run length for the alternate site would be 2,549-feet of coax.

AAI recommends installation of the RLP in the prime location as the use of the alternate location would require the installation of additional coax that meets the limits of the 2.2-dB maximum at 30-MHz, as well as the additional length of power and azimuth control cabling would be more costly to install.

Figure 3 - RX site layout and surrounding area

115 E. Durbin Street, Ste. 400 Casper, WY 82601 Page 9

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Figure 4 - RX site layout and selected antenna locations

The installation effort at the RX site will consist of one HOBA antenna located at the aforementioned GPS coordinates. This installation requires approximately 2,300-feet of coax that meets the criteria of less than 0.2-dB per 100-feet from the antenna to building entry.

Furthermore, this installation requires approximately 136-feet of coax from the building entry to the equipment rack with the matrix. An alternate location was identified during the site survey requiring approximately 3,000-feet of coax from the antenna to the building entry.

It was determined during the site survey that obstruction lighting and field obstruction paint will be required for the antenna installed at the RX site that is located near an active runway. Due to short periods of sunlight during fall, winter and spring months, solar powered obstruction lights are not a consideration.

Trenching for the coax of the HOBA in parallel to the existing loop array antenna coax will require caution. Furthermore, trenching for the HOBA coax will require caution in the area in around the loop array antenna GBSLP earth electrode network.

The Google Earth images below illustrate the selected antenna locations and their corresponding pathways in relation to the TX and RX facilities.

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Figure 5 - RLP1 in relation to the TX building

Figure 6 - LTR3 (HOBA) in relation to the RX building

115 E. Durbin Street, Ste. 400 Casper, WY 82601 Page 11

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2.1 Cable Routing

Outside TX Facility 2.1.1

According to site personnel, drawings viewed on site and our own observations, a MHDS with vacant conduits exist on the building south side extending out about 90-feet. The existing conduit can accommodate the new coax, shielded power and azimuth control cabling, and these cables can be routed together in one trench to avoid excessive digging. The team anticipates no additional protective housing required for the cables.

Outside Cable Run Lengths RLP/RLP1

Vertical at Tower (Coax) TBD

Antenna Base to Building Entry (Coax) 1,375‐feet

Total Coax Cable 1,375‐feet + TBD

Table 2 - Outside cable run lengths (TX)

Outside RX Facility 2.1.2

According to site personnel, drawings obtained and our own observations, conduits do not exist extending out from the building; therefore, a MHDS will have to be installed extending 218-feet between manholes (MH) MH1 and MH2 in a southwesterly direction toward the HOBA (LTR3).

Furthermore, conduit will have to be installed between the facility and MH1 to accommodate the coax and obstruction lighting power for the LTR3. The MHDS conduit shall be utilized for the new coax route and shielded power cable for obstruction lighting, and these cables can be routed together in one trench, to avoid excessive digging. MH/Vaults will consist of four concrete walls and base with a steel removable lid. Vaults can be constructed on site.

Outside Cable Run Lengths HOBA/LTR3

Vertical at Tower (Coax) TBD

Antenna Base to Building Entry (Coax) 2,300‐feet

Total Coax Cable 2,300‐feet + TBD

Table 3 - Outside cable run lengths (RX)

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Inside TX Facility 2.1.3

There is sufficient space inside the TX building to accommodate the proposed cable pathways.

Existing cable trays have sufficient free space for the power and control azimuth cabling, while existing wall and ceiling mounted Unistrut framework can be used to mount coax.

The remainder of the installation will utilize existing cable trays and existing ground bars. All new equipment may be mounted on the beamed walls. AAI does not expect any need for modifications to the building with regard to power and breaker panels. Install a new panel to accommodate the azimuth control line surge arrestor block and power surge arrestor in the facility, and install a power disconnect switch at the antenna for maintenance. Space was reserved in the panel box to install circuit breakers to accommodate electrical power to rotate the boom of the RLP.

Figure 7 - TX Matrix (Note multiple unused antenna port assignments)

115 E. Durbin Street, Ste. 400 Casper, WY 82601 Page 13

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Figure 8 - Equipment rack (Note adequate space at top right of rack for RLP controller

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Figure 9 - Cable pathways and Unistrut hangers inside TX building

Inside RX Facility 2.1.4

There is sufficient space inside the RX building to accommodate the proposed cable pathways.

Existing cable troughs in the floor can be used for the obstruction light power cabling, and existing cable troughs in the floor can be utilized for coax. The only identified modification to the RX facility is the installation of obstruction lighting surge arrestor assemblies on the inside of the walls at building entry points. The remainder of the installation will utilize existing cable trays, and existing ground bars. All new equipment may be mounted on the beamed walls. AAI does not expect any need for modifications to the building with regard to power and breaker panels. Space was reserved to install a circuit breaker in the existing breaker panel and install a surge arrestor in the HFGCS equipment room to accommodate obstruction lighting. In addition, installation of four service disconnect switches for obstruction lighting, one for each of the four towers, at the antenna for maintenance is recommended.

Casper, WY 82601 Page 15

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Figure 10 - RX Matrix (Note multiple input cards with unused antenna port assignments)

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Figure 11 - Bulkhead Surge Arrestor Above Rack Containing RX Matrix

This effort will require the installation of a bulkhead surge arrestor above the rack containing the RX matrix as well as the installation of a Trompeter connector and jumper coax for the patch panel to accommodate LTR3.

Casper, WY 82601 Page 17

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Figure 12 - RX RF patch panel (Note trumpeter connector and cables required for HOBA

Inside Cable Run Lengths RLP HOBA

Building Entry to RX Multicoupler/Matrix (coax) 136‐feet

Total Coax 136‐feet

Building Entry to TX Matrix (coax) 180‐feet

Total Coax 180‐feet

Table 4 - Inside cable run lengths

3 Installation Issues

3.1 Dependencies

Seven dependencies have been identified:

Navy Fleet Readiness Control Board (FRCB) approval is required before work can begin onsite for the installation of the two new antennas.

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For voice telephone service while on station, there are no apparent limitations with telecom connectivity from the Keflavik TX Site (Grindavik) and RX Site (NAS Keflavik) to the United States. International rates apply, it will cost a little more than stateside cell phone service and internet service.

Asbestos was discovered on the TX facility roof several years; however; asbestos has never been identified in the TX antenna field, RX antenna field or RX facility. We do not anticipate running into asbestos during this installation project.

The availability of heavy equipment is not a limitation on Keflavik, but heavy equipment rental costs are expected to be 10% more expensive than stateside.

The site has plenty of available rental vehicles for personnel. Small, European style cars and trucks with manual transmissions appear typical.

The biggest dependency for the timely and successful completion of this installation is weather. This project must be scheduled in summer months between May and October to avoid the colder temperatures, precipitation (ie, snow, rain, sleet and ice) and shorter periods of daylight during the fall, winter and springs months.

Reasonably priced concrete, sand, gravel and all other associated material can be obtained off the local economy.

3.2 Construction Permits

Site approval is necessary to begin work at the TX and RX Site. Dig permits from the local government will be required. The US Navy may assist in acquiring these permits. The Public Works Office on NAS Keflavik will process dig permits. Estimated time to process a dig permit is 3 – 4 weeks. Permission to take photographs must be requested and processed locally at the Public Affairs Office at NAS Keflavik. Suggest each crew lead obtain photographic permits.

3.3 Environmental Issues

No other asbestos locations are known or anticipated to impact this project, at the time of the site survey, there were no other known environmental issues. Work with have to be coordinated with SPO personnel to confirm environmental issues do not exist. In the event new issues are discovered, SPO personnel shall be alerted to coordinate a plan to mitigate any identified concerns.

3.4 Radiation/Hazard Fence and Cable Marker Installation

Currently, site Radiation/Hazard (RAD/HAZ) fencing is made up of concrete pillars with a PVC casing around the entire perimeters of the existing antennas. According to site personnel, installation of fencing will only be required around the perimeter of RLP1 at the TX site.

Fencing is not required for antennas at the RX site. Cable markers are a requirement for both TX and RX sites. Existing cable markers are built out of concrete with identification plates on top of

Casper, WY 82601 Page 19

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the concrete pillar and are spaced at 100 feet apart at both sites. Site personnel prefer the design of the fences and cable markers remain uniform. The SPO informed site personnel that they would not fund for installation of the cable markers for the new antennas. Site personnel said they’d install the cable markers themselves after the RLP and HOBA antennas have been installed. Radiation Hazard (RADHAZ) posted signs are a requirement at the TX site.

Figure 13 - Cable marker

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Figure 14 - RADHAZ sign

115 E. Durbin Street, Ste. 400 Casper, WY 82601 Page 21

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Figure 15 - Displays fence at TX site

3.5 Excavation

The site is fairly flat and drains relatively well. Experience has taught us as well as site personnel confirm that the site has spots of shallow soils with coral rock underneath. These soils, while they can prove difficult to excavate, are very strong, so no problems are anticipated with achieving proper foundation and guy anchor strength.

3.6 GBSLP

GBSLP protection shall be implemented in accordance with MIL-STD-188-114B-Notice 3 and MIL-HDBK-419A Vols. 1 & 2.

Standard grounding schemes for the RLP and HOBA antennas shall be installed. According to site personnel at the TX and RX site, the soil is rocky and challenging; nonetheless, it’s anticipated possible to achieve the design goal of 10-ohms or less measured earth resistivity for grounding. Every effort should be made to provide the best grounding system for the soil conditions that exist. TX facility and RX facility have established and maintained Earth

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Electrode Networks (EEN) that coax grounding kits and coax surge arrestors can tie-in with to ensure the antenna installation GBSLP requirements are satisfied.

3.7 Anticipated Issues

The foreseeable issues currently are the narrow window of time to accomplish the antenna installation project during summer months to avoid crippling colder temperatures, precipitation and shorter days. Finally, the soil conditions on Keflavik make it challenging to meet the resistance specification of 10-Ohms or less. The contractor shall assist SPO personnel fully in all efforts to obtain all dig permits and coordinate procurement and shipping of all tools and materials, as well as take extra measures to ensure the best ground achievable at this location is obtained during the GBSLP installation phase.

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Appendix A Site Survey Team Members

AAI

Mark Brewster

Gary Wantulok

Mike Corrigan

Paul Gottfried

Government

Mony Goodman

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Appendix B Keflavik MAC Site Survey Checklist

General

This site survey checklist is intended for use to aid in completing a site survey at Keflavik.

Ensure that base Civil Engineering personnel are available for the site survey.

Site Survey Conference

a. Record the name, affiliation, position, telephone number and email of each attendee at the conference.

Site personnel were not available for our conference.

b. Request a drawing package from the Electronics Maintenance Supervisor of facility entrance panels, facility power panels, interior cable routing between entrance panel and antenna matrixes, facilities grounding schematics, and antenna field layout. Identify any missing documents and place on action item list.

As is the case with many of the HFGCS stations, the available Keflavik documentation, schematics and drawings was incomplete, unorganized and no meaningful documents were identified to assist with the execution of this antenna installation project

c. Determine the process and time required to obtain all permits and inspections.

Included in Section 3. Installation Issues

d. Obtain the information on site unique indigenous species and animals can affect the installation of the new antennas and personnel.

Included in Section 2. Site Survey Results

e. Confirm with local officials the climate conditions at the site that can create work stoppages for the antennas installation crew (Typhoon, hurricanes, monsoons).

Included in Section 2. Site Survey Results

f. Determine if there are any unique base requirements.

Included in Section 3. Installation Issues

g. Obtain the rules regarding base access approval, badging, and vehicle and truck passes, security requirements and identification documentation.

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Included in Section 1.3 General Observations

h. Determine if there are any requirements for construction erosion protection and any construction safety requirements.

Included in Section 3.3 Environmental Issues

i. Determine if there are any security issues regarding the use of cameras photographs to document both facility and antenna installation site conditions.

j. Determine if there are any security and frequency management requirements regarding the use of cell phones and walkie-talkies on base.

k. Determine if there is a site security requirement to mitigate theft and vandalism during the antennas installation and any special security considerations for the antenna installation crew.

Included in Section 2. Site Survey Results

l. Determine if the coax cable is required a protective housing after installation to protect it from vandalism and theft.

Included in Section 2.1 Cable Routing

m. Determine mitigation requirements for any known archeological sites in the area.

n. Determine mitigation requirements for any local environmental policy which create challenges for antenna installations.

o. Determine mitigation requirements for any known of asbestos or hazardous materials.

Included in Section 2. Site Survey Results

Antenna Field

a. Determine if soil composition is able to support new antennas.

Included in Section 3.5 Excavation Issues

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b. Determine if soil composition and any surface materials and/or existing objects on each site that must be removed and disposed of as a part of the work.

Included in Section 3.5 Excavation Issues

c. Confirm antenna orientation by determining if any other antennas or obstructions are already in place that may affect or block transmission patterns. Orientation will frequently be affected by cable trenching directions and how cable is to be routed up the tower to the feed point or balun at the top.

Included in Section 2.1 Cable Routing

d. Identify if the obstruction lighting is required for the proposed new antennas. Will climate support solar power? If utility power is required, is there an existing circuit breaker panel in the facility to accommodate power requirements?

Included in Section 2. Site Survey Results

e. Determine if air field obstruction paint is required.

Included in Section 2. Site Survey Results

f. Determine if radiation hazard fence is required for each antenna. Can a plastic fence with PVC fence post be used in lieu of a more substantial wooden? Will fence also facilitate keeping animals away from the antenna? What type of animal is a potential threat to the antenna?