E-203_Amend 6.pdf
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- Solicitation number
- N4008023R0020
About this file
This document is the plans and specifications for a lightning protection system installation at Naval Facilities Engineering Command Washington Navy Yard. The project involves relocating a hazardous cargo pad and EOD proficiency range. The plans provide details on adding ground rods, bonding conductors, and installing a bare copper ground counterpoise. Relevant specifications include using exothermic connections for bends less than 8 inches, grounding all site equipment per standards, and ensuring bonding and grounding connections are exothermic type. The solicitation number for the multiple award construction contract is N4008023R0020 and can be found on SAM.gov. The opportunity is issued by the Department of the Navy Naval Facilities Engineering Command for large projects.
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Text version
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SATISFACTORY TO
APPROVED
ACTIVITY
DATE
FOR COMMANDER NAVFAC
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A/E INFO
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DRAWFORM REVISION: 06 APRIL 2017
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N40080-15-D-0452
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1" = 50'A1 ELECTRICAL LIGHTNING PROTECTION PLAN - AREA 3
PLAN
NORTH
GENERAL NOTES
WORK NOTES
1. ADD ADDITIONAL GROUND RODS AS REQUIRED FOR LIGHTNING
PROTECTION DOWN CONDUCTORS PER LIGHTNING PROTECTION
CONTRACTOR'S DESIGN.
2. BOND LIGHTNING COUNTERPOISE CONDUCTOR TO GROUNDING
ELECTRODES AT INTERVALS NOT EXCEEDING 2000 FEET.
3. PROVIDE BARE COPPER #4 AWG GROUND COUNTERPOISE AT MINIMUM
OF 8" BFG AND NO MORE THAN 12" ABOVE CIRCUIT CABLING. PROVIDE
COUNTERPOISE HALFWAY BETWEEN AIRFIELD LIGHTING DUCTBANK
AND EDGE OF TAXIWAY.
4. BOND LIGHTNING COUNTERPOISE CONDUCTOR TO EACH
IN-PAVEMENT (FLUSH) 'TYPE B' METALLIC LIGHT FIXTURE
REINFORCEMENT CAGE, MOUNTING STAKE AND METALLIC AIRFIELD
LIGHTING COMPONENT.
5. PROVIDE STATIC GROUNDING. SEE CIVIL SHEETS FOR DETAIL.
LIGHTNING PROTECTION LEGEND
MAIN CONDUCTOR
GROUND COUNTERPOISE
1 2 3 4
1. ALL EXISTING UNDERGROUND UTILITY LOCATIONS AS SHOWN ON
THESE PLANS ARE APPROXIMATE AND MAY NOT REPRESENT ALL
UNDERGROUND UTILITIES OR SERVICE LINES. SOURCE OF EXISTING
UTILITY MAPPING: UTILITY LOCATIONS ARE BASED ON QUALITY LEVEL
"B" AS DEFINED BY ASCE STANDARD 38-02 "STANDARD GUIDELINE FOR
THE COLLECTION AND DEPICTION OF EXISTING SUBSURFACE UTILITY
DATA". VERIFY EXACT LOCATION, DEPTH, SIZE, AND TYPE OF UTILITIES
SHOWN AND NOTIFYING ENGINEER OF DISCREPANCIES. REPAIR AND
REPATCH AS NEEDED SUBSEQUENT TO ANY DAMAGE SUSTAINED TO
PROPERTY OR UTILITIES.
2. CONTACT "MARYLAND MISS UTILITY" AT 1-800-257-7777 PRIOR TO
BEGINNING ANY EXCAVATION OR DEMOLITION.
3. ENSURE THAT MATERIALS USED ARE COMPATIBLE WITH THE AIRFIELD
AND DOES NOT CAUSE DAMAGE TO THE AIRFIELD. DO NOT USE
DISSIMILAR METALS.
4. ENSURE ALL LIGHTNING PROTECTION CONDUCTORS HAVE A MINIMUM
BEND RADIUS OF 8". PROVIDE APPROPRIATE EXOTHERMIC
CONNECTION WHEN RADIUS IS LESS THAN 8".
5. GROUND ALL SITE EQUIPMENT IN ACCORDANCE WITH MIL-HDBK-419A,
NEC AND APPLICABLE UFC CRITERIA.
6. ENSURE ALL BONDING AND GROUNDING CONNECTIONS ARE
EXOTHERMIC TYPE, UON. SEE DETAILS.
/15 /20
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