Amendment 4-Lightning Protection Asmnt Report Camps Nelson Cemetery
Updated
A PDF document (811 KB) attached to Camp Nelson National Cemetery, KY 833CM3030 – Correct FCA Deficiencies, from the Department of Veterans Affairs. Due Dec 7, 2026, 9:00 AM (UTC-5).
File name: Amendment 4-Lightning Protection Asmnt Report_Camps Nelson Cemetery.pdf
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WALKER FEDERAL SERVICES
Project:
Camps Nelson National Cemetery
Correct FCA Deficiencies
Project No.:
833CM3030
Date:
07/24/2024
NFPA 780 Lightning Risk Assessment
1. Introduction
Astute Engineering PLLC (Astute), the electrical engineers on the subject project, performed an NFPA 780 lightning risk assessment for the public restroom/ wash bay building, Historic maintenance Building, Maintenance storage building, Horse stall Building, and Maintenance storage building. The buildings are surrounded by tall trees and structures. The buildings included in the assessment currently do not have a lightning protection system.
Using the data available for the building structures a simplified risk assessment was performed to determine the necessity of the lightning protection system for both the buildings, per the 2023 version of NFPA 780 Annex L.
This report presents the data used, the assessment/evaluation, and the recommended action based on the analysis. The tolerable lightning frequency (NC) is compared with the annual threat occurrence (ND). The result of this comparison is used to decide if a lightning protection system is needed. The conclusion is provided based on a two-level system of “recommended” and “optional”, per NFPA 780.
2. Building structure description:
2.1. Public Restroom Building Description:
Foundation
Structure
Roof
Number of stories
Height
Concrete slab on grade
Masonry
Gable and Asphalt shingles
18’-3”
2.2. Wash Bay Building Description:
Foundation
Structure
Roof
Number of stories
Height
Concrete slab on grade
Masonry
Gable and Asphalt shingles
19’-8”
7820B Wormans Mill Road, Suite 162, Frederick, Maryland 21701
WALKER FEDERAL SERVICES
2.3. Historic Maintenance Building Description:
Foundation
Structure
Roof
Number of stories
Height
Concrete slab on grade
Masonry
Gable and Asphalt shingles
19’-3”
2.4. Maintenance Storage Building Description:
Foundation
Structure
Roof
Number of stories
Height
Concrete slab on grade
Masonry
Gable and Asphalt shingles
22’-11”
2.5. Horse Stall Building Description:
Foundation
Structure
Roof
Number of stories
Height
Concrete slab on grade
Masonry
Gable and Asphalt shingles
20’-11”
2.6. Equipment Storage Building Description:
Foundation
Structure
Roof
Number of stories
Height
Concrete slab on grade
Masonry
Gable and Asphalt shingles
29’-3” ft.
3. Data utilized in the analysis
The focus of the analysis was to assess the risk of a lightning strike occurring near or at the structures on
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