SOW - TLH LLWAS Refurbishment Project.pdf

FEDERAL AVIATION ADMINISTRATION

STATEMENT OF WORK

TLH LLWAS Refurbishment Project Tallahassee, FL

September 23, 2025

1. PROJECT OVERVIEW:

The Tallahassee Low-Level Wind Shear Alert System (LLWAS) refurbishment project involves electrical component replacement, tower repair, fence installation, mechanical component repair and replacement, and site restoration. The purpose of the project is to extend the life of the existing TLH LLWAS system and sites.

2. SCOPE:

The contractor is responsible for accomplishing all items of work listed in accordance with general conditions, drawings, building codes, manufacturers’ technical specifications, and requirements specified by FAA. The scope of work includes the following:

LLWAS Station 00 – Capital Circle, Center field #1:

1. Replace the corroded Unistrut with new matching stainless steel (Photo 1).

2. Replace corroded hardware and fasteners with new matching stainless steel (Photo 2).

3. Replace corroded Square D Panel Box mounted on main utility pole with new matching stainless steel

(Photo 3).

4. Replace corroded power feed riser with new hot-dipped galvanized RMC directly above power meter

(Photo 4). Power feed riser is the property of local electric service provider. Coordinate replacement with local electric service provider.

5. Install new 18’x18’x 8’ high galvanized steel chain link security fence with swing access gate per attached LLWAS fence details, drawings, and site plans.

a. Install new fence grounding per attached details and FAA Standard 019G.

6. Provide and place #57 stone gravel within and around the newly fenced area to a minimum post-rolled depth of 6”.

a. Remove vegetation and prepare the area to receive gravel.

b. Provide and install new geotextile fabric prior to gravel placement.

c. Place, grade, and roll pack ¾” (#57) limestone gravel within the newly fenced, 18’x18’ area and 1’ around fence perimeter.

d. Ensure 1” min/2” max space between bottom of fence fabric and gravel after placement.

7. Install new Warning signage on each side of security fence (18” x 24”). See photo 5 for text and format.

8. Provide and install new surge protection device per the following:

a. Type 1 rated device

b. NEMA Type 4X rated – Outdoor applications

c. Short circuit rating 25kA

d. LED indicators for operational status

e. Compatible with existing power panel and mounting configuration

9. Adjust the main ring, lubricate and clean mechanism to ensure ring fully lowers to maintenance height at ground level.

10. Apply ZRC Galvanizing Compound or approved equal cold galvanize, zinc rich coating to existing anchor bolts, brackets, and equipment ring. Apply coating per manufacturer’s written instructions.

11. Clean debris from existing junction boxes and distribution panels.

LLWAS Station 01 – Cypress Cove:

1. Adjust the main ring, lubricate and clean mechanism to ensure ring fully lowers to maintenance height at ground level.

2. Apply ZRC Galvanizing Compound or approved equal cold galvanize, zinc rich coating to existing

3. Clean debris from existing junction boxes and distribution panels.

LLWAS Station 02 – Manufacture Court:

1. Adjust the main ring, lubricate and clean mechanism to ensure ring fully lowers to maintenance height at ground level.

2. Apply ZRC Galvanizing Compound or approved equal cold galvanize, zinc rich coating to existing

3. Clean debris from existing junction boxes and distribution panels.

LLWAS Station 03 – Springhill Road:

1. Replace corroded hardware and fasteners on main power feed riser (Photo 9).

2. Realign leaning top high mast segment (Photo 10).

3. Provide and install new surge protection device per the following:

a. Type 1 rated device

b. NEMA Type 4X rated – Outdoor applications

c. Short circuit rating 25kA

d. LED indicators for operational status

e. Compatible with existing power panel and mounting configuration

4. Adjust the main ring, lubricate and clean mechanism to ensure ring fully lowers to maintenance height at ground level.

5. Apply ZRC Galvanizing Compound or approved equal cold galvanize, zinc rich coating to existing

6. Clean debris from existing junction boxes and distribution panels.

LLWAS Station 04 – Main Entrance:

1. Install new 18’x18’x 8’ high galvanized steel chain link security fence with swing access gate per attached LLWAS fence details, drawings, and site plans.

a. Install new fence grounding per attached details and FAA Standard 019G.

2. Provide and place #57 stone gravel within and around the newly fenced area to a minimum post-rolled depth of 6”.

a. Remove vegetation and prepare the area to receive gravel.

b. Provide and install new geotextile fabric prior to gravel placement.

c. Place, grade, and roll pack ¾” (#57) limestone gravel within the newly fenced, 18’x18’ area and 1’ around fence perimeter.

d. Ensure 1” min/2” max space between bottom of fence fabric and gravel after placement.

3. Install new Warning signage on each side of security fence (18” x 24”). See photo 5 for text and format.

4. Adjust the main ring, lubricate and clean mechanism to ensure ring fully lowers to maintenance height at ground level.

5. Apply ZRC Galvanizing Compound or approved equal cold galvanize, zinc rich coating to existing

6. Clean debris from existing junction boxes and distribution panels.

LLWAS Station 05 – New Hope:

1. Pressure wash base of high mast, surrounding utility boxes, and security fence/gate (Photo 11).

2. Adjust the main ring, lubricate and clean mechanism to ensure ring fully lowers to maintenance height at ground level.

3. Apply ZRC Galvanizing Compound or approved equal cold galvanize, zinc rich coating to existing

4. Clean debris from existing junction boxes and distribution panels.

LLWAS Station 06 – National Forest:

1. Remove the old, abandoned ground-mounted solar/battery station box and all associated conduit and wiring. (Photo 12).

2. Adjust the main ring, lubricate and clean mechanism to ensure ring fully lowers to maintenance height at ground level.

3. Apply ZRC Galvanizing Compound or approved equal cold galvanize, zinc rich coating to existing

4. Clean debris from existing junction boxes and distribution panels.

LLWAS Station 07 – West Haven:

1. Provide and install new surge protection device per the following:

a. Type 1 rated device

b. NEMA Type 4X rated – Outdoor applications

c. Short circuit rating 25kA

d. LED indicators for operational status

e. Compatible with existing power panel and mounting configuration

2. Replace corroded wire rope inside high mast with new matching 5/16” stainless steel wire rope (Photo 6).

3. Install new quick release connector on instrument wiring (Photo 7).

4. Replace corroded Unistrut fasteners with new matching stainless steel (Photo 8).

5. Adjust the main ring, lubricate and clean mechanism to ensure ring fully lowers to maintenance height at ground level.

6. Apply ZRC Galvanizing Compound or approved equal cold galvanize, zinc rich coating to existing anchor bolts, brackets, and equipment ring. Apply coating per manufacturer’s written instructions.

7. Clean debris from existing junction boxes and distribution panels.

8. Provide and place #57 stone gravel within and around fenced area to a minimum post-rolled depth of

6”.

a. Remove existing stone, soil, and prepare the area to receive gravel.

b. Provide and install new geotextile fabric prior to gravel placement.

c. Place, grade, and roll pack ¾” (#57) limestone gravel within fenced area and 1’ around fence perimeter.

d. Ensure 1” min/2” max space between bottom of fence fabric and gravel after placement.

3. GENERAL CONDITIONS:

1. Contractor is responsible for any Federal, State or Local permits required for the work including FAA 7460-1, Obstruction Evaluation/Airport Airspace Analysis (OE/AAA). Submit all necessary information and/or documentation to the FAA prior to and during proposed execution of this work scope.

2. Contractor must locate and avoid underground site utilities and infrastructure. Manually excavate by hand digging using wood or fiberglass handled tools when any construction work is expected to come within 3 feet on each side of existing utilities and/or infrastructure.

3. Contractor must provide a project schedule outlining all phases of the work including anticipated impact on the site and system operations, construction activities at each LLWAS station, planned outages, and procurement of any long-lead materials.

4. The Contractor must warranty material and workmanship for a period of one (1) year and/or no less than the manufacturers’ materials warranty, starting from the date of final project acceptance by the

FAA.

5. Storage: No storage facilities are available onsite.

6. Dumpsters: No dumpsters nor disposal facilities are available onsite. All debris and generated waste must be disposed of in a manner that is not in conflict with local, state, and federal regulations.

7. Restrooms: No sanitary facilities are available onsite.

8. Water: No water is available onsite.

9. Electricity/Power: No electricity is available onsite.

10. All work must be performed and materials installed in accordance with the current editions of the following. Nothing in the statement of work is to be construed to permit work not conforming to the codes.

a. OSHA CFR 29 Part 1926 – Safety and Health Regulations for Construction.

b. OSHA CFR 29 Part 1910 – General Industry Standards Applicable to Construction Industry

c. Electrical Safety, Lock-Out/Tag-Out procedures

d. State of Florida Building Codes, Latest Edition with Associated Amendments and Updates.

e. NFPA 70, National Electric Code, Latest Edition with Associated Amendments.

f. International Building Code, Latest Edition with Associated Amendments

g. Federal Aviation Administration, Standard 19G – Lightning and Surge Protection, Grounding, Bonding, and Shielding Requirements for Facilities and Electronic Equipment.

h. FAA 7460-1, Obstruction Evaluation/Airport Airspace Analysis (OE/AAA)

4. SPECIAL PRECAUTIONS and SAFETY:

General Safety Provisions – Safe working conditions must be provided and maintained for all onsite personnel for the full duration of project. Work in surroundings or under working conditions that are unsanitary, hazardous, or dangerous to the health and safety of the employee must not be permitted.

Accident Prevention – An accident prevention program must be maintained onsite to ensure frequent and regular inspections of the job site, materials, and equipment are conducted by a designated competent person.

Competent Persons – Competent person training documentation must be provided where required by 29 CFR 1910 and 29 CFR 1926, such as fall protection and crane/rigging operations. Additional training records may be required on a case-by-case basis.

Use of Equipment – All machinery, tools, material, or equipment utilized must follow OSHA regulations. Only employees qualified by training and/or experience must be permitted to operate equipment and machinery.

Accident Reporting – All accidents must be reported immediately to the onsite FAA personnel. Accident and investigation reports are to be copied to the FAA within 48 hours. Accident scenes must not be disturbed until a full and complete accident investigation has been undertaken with the local FAA personnel and other required personnel.

The FAA will not be held responsible for safety inspections to ensure conformance with the OSHA safety regulations; however, the FAA reserves the right to notify the Contractor of any deficiencies regarding worker safety.

5. SUPPLIES AND EQUIPMENT

Shipping and Receiving of Materials – FAA will not be responsible for shipping or receiving any material relating to this project.

Protection of Materials – All materials and supplies to be incorporated into this project must be protected and maintained in like new condition.

Storage of Materials – No storage facilities are available onsite. All materials must be stored to prevent weather and physical damage. Any materials damaged from improper storage and handling must be replaced with new.

6. FAA RESPONSIBILITIES:

The following FAA Responsibilities applicable to this Statement of Work include:

1. Access – FAA will secure site access and provide escort services to the LLWAS station and tower sites.

2. Supervision – FAA will provide onsite representative for oversight of onsite construction and equipment installation activities.

3. Document Review – FAA will review submittals and provide contractor one set of review comments with the following stipulations:

Data marked “Approved as Noted” is satisfactory, contingent upon contractor acceptance of corrections and/or notations, and if accepted does not require re-submittal. Data marked “Not Approved” does not meet job requirements, and contractor must re-submit on proper basis.

7. SUBMITTALS:

The following initial deliverables must be submitted and approved prior to receiving Notice to Proceed (NTP).

Provide electronic copies in PDF format for all submittals:

1. Safety Plan

2. Project Schedule

3. Required permits including 7460-1 Obstruction Evaluation, Determination Letter from FAA ADO.

4. Shop drawings, details, manufacturers’ product data sheets (PDS), and safety data sheets (SDS) for all construction materials.

8. PROJECT LOCATION:

TLH LLWAS system includes a total of eight (8) stations surrounding Tallahassee International Airport area.

An aerial map is included with approximate locations of each LLWAS station. GPS coordinates of approximate location for each LLWAS Station are listed below:

TLH Air Traffic Control Tower, LLWAS Base Address: 5700 Springhill Rd, Tallahassee, FL 32305 GPS Coordinates: 30.386933, -84.353286

Station 00 – Capital Circle GPS Coordinates: 30.397439, -84.349408

Station 01 – Cypress Cove GPS Coordinates: 30.412653, -84.346022

Station 02 – Manufacture Court GPS Coordinates: 30.399494, -84.321953

Station 03 – Springhill Road GPS Coordinates: 30.386386, -84.331111

Station 04 – Main Entrance GPS Coordinates: 30.378436, -84.353506

Station 05 – New Hope GPS Coordinates: 30.374497, -84.366847

Station 06 – National Forest GPS Coordinates: 30.398889, -84.372500

Station 07 – West Haven GPS Coordinates: 30.426303, -84.369147

9. ATTACHMENTS:

1. Site Photos 1 through 12

2. TLH LLWAS – Fence and Grounding Details, Stations 00 and 04

3. TLH LLWAS Station Map

4. As-builts SO-D-102999-G00 through G01 and C01 through C08

ATTACHEMENT 1 – SITE PHOTOS

Photo 1 - TLH LLWAS Station #1 Corroded Unistruts to be Replaced

Photo 2 - TLH LLWAS Station #1 Corroded Hardware and Fasteners to be Replaced (Typical)

Photo 3 - TLH LLWAS Station #1 Corroded Panel Box to be Replaced

Photo 4 - TLH LLWAS Station #1 Corroded Power Feed Riser to be Replaced

Photo 5 – Typical Warning Signage for Perimeter Fencing (Text & Format)

Photo 6 - TLH LLWAS Station #2 Corroded Wire Rope to be Replaced

Photo 7 - TLH LLWAS Station #2 Install New Quick Release Connector on Instrument Wiring

Photo 8 – TLH LLWAS Station #2 Corroded Unistrut Fasteners to be Replaced

Photo 9 – TLH LLWAS Station #5 Corroded Hardware and Fasteners on Main Power Feed Riser to be Replaced

Photo 10 – TLH LLWAS Station #5 Realign Leaning Top High Mast Segment

Photo 11 – TLH LLWAS Station #6 to be Pressure Washed

Photo 12 – TLH LLWAS Station #8 Maintain Ground Solar Station as Possible Back Up Auxiliary Power Station

TLH LLWAS

FENCE DETAILS - TYP.

STATIONS: 00 - CAPITAL CIRCLE & 04 -

MAIN ENTRANCE

FENCE GROUNDING - TYP.

STATIONS: 00 - CAPITAL CIRCLE & 04 - MAIN

ENTRANCE

FENCE GROUNDING WELL- TYP.

STATIONS: 00 - CAPITAL CIRCLE & 04 -

MAIN ENTRANCE

EARTH GROUNDING RESISTANCE TESTING,

INSTRUCTIONS, AND PROCEDURES

STATIONS: CAPITAL CIRCLE & 04 - MAIN

ENTRANCE