Quantcast Facility Maintenance Procedure (Lightning Protection Subsystem)

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MIL-HDBK-419A
2.3.2.2
Facility Maintenance Procedure (Lightning Protection Subsystem).
TECHNICAL DATA REFERENCES:
1.
Grounding, Bonding, and Shielding, MIL-HDBK-419A Volumes I and II, MIL-STD-188-124A.
a.
Underwriter's Laboratories Publication UL 96A or Lightning Protection Code, NFPA No. 78.
b.
Engineering drawings of the lightning protection networks.
c.
Architects drawings showing building profile views.
d.
RELATED MAINTENANCE PROCEDURES:
2.
APPLICABLE TEST PROCEDURES:
3.
Bond Resistance Test (see Section 2.2.2.3.1).
TEST EQUIPMENT REQUIRED:
4.
a.
Double Balanced Resistance Bridge or approved Ohmmeter capable of measuring one milliohm and
five milliohms.
Camera, if desired.
b.
MATERIALS REQUIRED:
5.
Film and flash bulbs or electronic flash for camera.
6.
PROCEDURE:
a.
Follow the procedure of Section 2.2.2.2.3.
Examine all elements of the structure and antennas to insure that an adequate cone of protection
b.
exists (see Section 1.3.2.1).  Note any additions to the exterior of the structure; make sure that all such
additions do not extend outside of the established cone of protection.
c.
Perform a comprehensive inspection of the entire lightning protection subsystem.  Note all
deficiencies in Part II of the Facility Maintenance Report Form. Complete a Major Deficiency Report on all
deficiencies not correctable during the inspection.
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