Lightning Inspection Building 302.pdf

MULTIVARIABLE SYSTEMS TECH, LLC

DUNS: 080122060 || FEIN: 81-0768594 || 3923 S. TAVISTOCK PL. || MERIDIAN, ID 83642 || Tel. (208)

867-713ON & TESTING CHECKLIST

Date: _______11/8/23________ Inspected and Tested By: __MVS (Jesse, Dustin, Lumuli)________

Structure/Building Identification: ________302 - Jet Fuel_________________________

Date Last Known Rainy Day: ____11 days__________ Humidity: ___1%______________________

A. Visual Inspection of Roof Top Components

Item Descriptions Notes/Correction

1 Visual inspections of the overall system condition.

Appearance (neat, dislodged, broken cables etc.). Good but added some strapping.

2 Visually inspect all air terminals. Verify that size and quantity is sufficient per NFPA 780/UL96A requirements.

3 Verify that all air terminals (lightning rods) have been placed at 20’-0” maximum spacing around roof perimeter and/or roof ridges.

N/A

4 Verify that perimeter air terminals are within 2’-0” of the outside edge including corners of the structure.

5 Verify that mid-roof air terminals are spaced at maximum spacing of 50’-0” in accordance with NFPA 780.

6 Verify interconnecting mid-roof cables connecting mid-roof air terminals are properly spaced. Further verify 150’-0” maximum length of cross run conductor to the main perimeter or down conductor in accordance with NFPA 780.

7 Verify that copper materials are not mounted or in contact with aluminum materials and vice-versa.

8 Verify that all conductors are fastened horizontally and vertically not more than 3’-0” maximum spacing.

N/A

9 Verify inductive metallic bodies located within 6’ 0” of lightning conductor or another bonded metal body shall be interconnected to the lightning conductor system, unless inherently connected.

✔ Stair case into dike may need additional bonding.

10 Verify air terminals and bonding connectors are installed on rooftop, fans, ventilators. A/C units etc. in accordance with NFPA 780 UL96A.

N/A

3923 S. TAVISTOCK PL. || MERIDIAN, ID 83642

B. Visual Inspection Ground System:

C. Ground Resistance & Continuity Testing:

11 Remove and clean all cable connections including but not limited to; Bonding plates, lugs, cable to cable connectors etc.

N/A

Item Descriptions Notes/Correction

1 Locate all through roof connection to down runs or to structural steel. Visually inspect for damage and tightness.

N/A

2 Verify the quantity of down runs/connection to ground is adequate per NFPA 780 and UL96A based on the size of the structure.

3 If the connection is to steel, verify that connection is made in accordance with NFPA 780 and that the area under connection is clean of all paint, oil, grease etc.

N/A

4 Verify that spacing of down conductors at roof level are installed in accordance with NFPA 780 and UL96A (100’ on average).

5 Visually inspect connections to rebar/structural steel etc. for corrosion remove connections clean and reinstall. Replace if necessary.

N/A

6 Visually inspect ground rods and cable connections to ground rods. Remove and clean if necessary.

N/A

Item Descriptions Notes/Correction

1 Record the device readings for all tested points: See Additional Notes

2 Inspect and document status of surge protection - transient voltage surge suppression (TVSS) systems. Verify TVSS systems are installed in accordance to NEC 70 or other applicable codes or standards.

N/A

Perform ground resistance on lightning protection grounding system.

See Additional Notes

3 Take additional photographic or video documentation of particular areas of the lightning protection system that needs further long term repair that may go beyond the scope of this inspection but needs attention.

See Additional Notes

D. Additional Notes (If Necessary):

READING LOCATIONS RESISTANCE READINGS

NE Corner 0.097Ω

SW Corner 1 0.092Ω

Jet Fuel Stair Way 130Ω. Recommend connecting additional down terminal to stair well and connecting to the system on the building or pipe.

Jet Fuel Tank 1 (South Terminal) 0.12Ω

Jet Fuel Tank 1 (North Terminal) 0.15Ω

Jet Fuel Tank 2 (South Terminal) 0.25Ω

Jet Fuel Tank 2 (NE Terminal) Line was open. We discovered the connection was painted so we stripped the paint and reattached the connector. After repairs 0.093Ω

Jet Fuel Tank 1 (West Terminal) 0.018Ω

Jet Fuel Tank 1 (East Terminal) 0.097Ω

SW Corner 2 0.17Ω

SE Corner 0.02Ω

SE Pipe 0.014Ω

Center East 1 0.024Ω

Center East 2 0.03Ω

Center East 3 0.06Ω