NWWW40002200061 SOW.pdf

5/16/22

NOAA National Weather Service Statement of Work

DCO Hilo Tower Certification

NW-WW4000-22-00061

BACKGROUND:

The National Oceanic and Atmospheric Administration (NOAA) National Weather Service’s (NWS) mission is to provide weather, water and climate data, forecasts, warnings, and impact-based decision support services for the protection of life and property and enhancement of the national economy. As part of this mission, the NWS operates and maintains communication/meteorological towers throughout the Pacific Region including four towers at the NWS Data Collection Office located in Hilo, Hawaii. NWS is seeking certification that the towers meet current codes and standards.

REFERENCES:

1. TIA-222-H, “Structural Standard for Antenna Supporting Structures, Antennas and Small Wind Turbine Support Structures.” Telecommunications Industry Association, Jan 2018.

2. TIA-322, “Loading, Analysis, and Design Criteria Related to the Installation, Alteration and Maintenance of Communication Structures.” Telecommunications Industry Association, Nov 2019.

3. NFPA 70, “National Electrical Code.” National Fire Protection Association, 2020.

4. NFPA 780, “Standard for the Installation of Lightning Protection Systems.” National Fire Protection Association, 2020.

5. ANSI/ASPP Z359.1-2020, “The Fall Protection Code.” American Society of Safety Professionals, Dec 2020.

6. Local state and county codes and ordinances.

STATEMENT OF WORK:

1. Project Schedule

1.1. The contractor shall provide a project schedule to include all project milestones (i.e. site visits, engineering analysis, final report, brief, etc.).

2. Tower Design Certification

2.1. The NWS towers are custom fabricated 30-ft stainless steel towers based off of a previous tower design. The contractor shall perform a structural analysis of the new tower design to certify that the tower meets codes and standards and is suitable for climbing by maintenance personnel. The structural analysis shall also provide the maximum wind load rating.

2.2. A spare unassembled 30-ft stainless steel tower is available at the NWS Pacific Region Headquarters, 1845 Wasp Blvd, Honolulu, HI (Joint Base Pearl Harbor-Hickam Ford-Island

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Annex) for inspection. COVID-19 restrictions may be in place. The contractor shall coordinate with the technical point of contact (TPOC) prior to arriving on site.

3. DCO Hilo Installation Certification

3.1. The contractor shall perform an on-site inspection of the four 30-ft towers installed at the NWS Data Collection Office, 121 Ailolo Street, Hilo, Hawaii. COVID-19 restrictions may be in place.

The contractor shall coordinate with the TPOC prior to arriving on site.

3.2. The contractor shall perform a structural analysis and inspection to verify that the towers meet codes and standards with the current equipment.

3.3. The contractor shall perform a lightning protection, grounding, and bonding analysis and inspection to verify that it meet codes and standards.

3.4. The contractor shall perform an analysis and inspection of the tower’s climbing safety system to verify that it meet codes and standards.

4. Final Report and Brief

4.1. The contractor shall provide a report detailing all inspections and analysis including supplemental calculations.

4.2. If no discrepancies are found, the contractor shall certify that the towers are in compliance with applicable codes, standards.

4.3. If discrepancies are found, the contractor shall note each discrepancy separately with reference to the applicable codes and standards and a recommended solution to resolve the discrepancy.

4.4. The final report & tower certification shall be stamped by a licensed professional engineer.

4.5. The contractor shall schedule a brief to review the contents of the report and answer any questions.

CONTRACTOR FURNISHED MATERIALS AND EQUIPMENT: N/A

GOVERNEMNT FURNISHED INFORMATION:

1. Typical tower foundation drawing (Attachment 1).

2. Photos of NWS DCO Hilo tower installation (Attachment 2).

PERIOD OF PERFORMANCE:

The period of performance shall be 180 days from award.

PLACE OF PERFORMANCE

1845 Wasp Blvd - BLDG 176 Honolulu, HI 96818-5007