240016 Lightning Protection PlanBB250.pdf
PDF 290 KB Posted
- Attached to
- Repair BEQ BB250
- Solicitation number
- N408525R9008
About this file
This document is a Lightning Protection Plan drawing for the Marine Corps Base Camp Lejeune, specifically for repairs to BEQ BB250. The detailed technical drawing (E-801) provides comprehensive lightning protection system specifications, including:
Key technical details include a roof-mounted lightning protection system with #1/0 bare copper conductors, air terminals with cast bronze or aluminum bases, and ground rod connections. The plan specifies multiple connection types such as cross run connectors, parallel connectors, and bi-metal connectors. The lightning protection system is designed to be installed on a metal roof with conductors routed down steel downspouts, with a minimum ground rod installation of 3 feet from concrete edges. The drawing is part of the Naval Facilities Engineering Command project associated with Contract No. N40085-18-B-0044, prepared for final repairs at the Marine Corps Base.
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Text version
ROOF HATCH
E15
TYP
#1/0 BARE COPPER
NLP LIGHTNING PROTECTION CONDUCTORS:
CLASS 1 - USE #28R COPPER CONDUCTOR
CLASS 2 - USE #28 COPPER CONDUCTOR.
FOR SURFACES NOT COMPATIBLE WITH COPPER:
CLASS 1 - USE #28A ALUMINUM CONDUCTOR
CLASS 2 - USE #19A ALUMINUM CONDUCTOR
FASTEN COPPER CONDUCTORS WITH NLP #1430 COPPER STANDING SEAM
METAL ROOF FASTENER. FASTEN ALUMINUM CONDUCTORS WITH NLP
#1430A ALUMINUM STANDING SEAM METAL ROOF FASTENER. LIGHTNING
PROTECTION CONDUCTORS SHALL BE FASTENED AT INTERVALS NOT MORE
THAN 36" ON CENTER.
NLP #833 CAST BRONZE STANDING SEAM METAL ROOF
AIR TERMINAL BASE. FOR SURFACES NOT
COMPATIBLE WITH COPPER USE #833A CAST ALUMINUM
STANDING SEAM METAL ROOF AIR TERMINAL BASE.
NLP FLATHEAD(TM) AIR TERMINAL:
CLASS 1 - USE #FH-C3 NP 12 NS
CLASS 2 - USE #FH-C2 NP 12 NS
FOR SURFACES NOT COMPATIBLE WITH COPPER:
CLASS 1 - USE #FH-A2 NP 12 NS
CLASS 2 - USE #FH-A2 NP58 12 NS
NO. 210 STYLE CROSS RUN
CONNECTOR
NO. B1BC STYLE PARALLEL
CONNECTOR
NO. 208 STYLE BONDING
CONNECTOR
NO. 204 STYLE PARALLEL
CONNECTOR
NO. 211, BI-METAL CONNECTOR
GROUND ROD (3/4"x10'), MIN. OF
3' FROM EDGE OF CONCRETE
GROUND CLAMP
#1/0 BARE COPPER
DOWN CONDUCTOR IN
3/4"C
TO LIGHTNING
AIR TERMINAL
CONNECT AND ROUTE
DOWN THE SIDE OF
DOWNSPOUT
SHEET KEYNOTES
GENERAL NOTES
DR.
DES.
CHK.
SUBMITTED BY:
DESIGN DIR.
APPROVED: PWO OR OICC
SATISFACTORY TO:
DATE
DATE
DEPARTMENT OF THE NAVY
MARINE CORPS BASE
CAMP LEJEUNE, NORTH CAROLINA
NAVAL FACILITIES ENGINEERING COMMAND
SIZE CODE IDENT NO. NAVFAC DRAWING NO.
SCALE: SPEC. SHEET OF
E1 80091
CONSTR. CONTR. NO.:
AS NOTED
FINAL
REPAIRS BEQ BB250
LIGHTNING PROTECTION PLAN AND
DETAILS
E-801
148A 148A
60041678A N40085-18-B-0044
05-18-0044
SCALE: 3/32" = 1'-0"1 LIGHTNING PROTECTION PLAN
SCALE: NOT TO SCALE2 TYPICAL AIR TERMINAL WITH BASE
SCALE: NOT TO SCALE3 TYPICAL CABLE CONNECTIONS
SCALE: 3/32"=1'-0"
816 16
GRAPHIC SCALE
1. SEE SHEET E-001 FOR GENERAL NOTES
AND LEGEND.
E15 LIGHTNING PROTECTION DOWN
CONDUCTOR TO BE INSTALLED ON STEEL
DOWNSPOUT TUBE.
SCALE: NOT TO SCALE4 ROOF CONNECTION DOWN LEAD TO GROUND ROD CONNECTIONS
REVISIONS
SYM. DESCRIPTION DATE APPROVED
KELLY ROOT
J. REED
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