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 LANTNAVFACENGCOM A&E GUIDE
3/93
APPENDIX B
ELEC. GUIDE LEGEND-(EXTERIOR UNDERGROUND)
DESCRIPTION
SYMBOL
UNDERGROUND DUCTBANK, CONCRETE ENCASED UON.
DESCRIPTION AS INDICATED.
EXISTING UNDERGROUND DUCTBANK, CONCRETE ENCASED
UON. DESCRIPTION AS INDICATED.
SYMBOL REFERS TO SPECIFIC DUCTBANK SECTION DETAIL.
(SEE NOTE 1)
DUCTBANK SECTION LOOKING IN DIRECTION OF ARROWS.
(SEE NOTE 2)
SPARE DUCT (TYPICAL)
HEAVY LINE INDICATES BOTTOM OF DUCT
EXIST. CABLE DESIGNATION (TYPICAL)
DESCRIPTION PER CABLE SCHEDULE. (SEE NOTE 3)
OCCUPIED DUCT, UNIDENTIFIED CABLE.
NEW CABLE DESIGNATION (TYPICAL)
DESCRIPTION PER CABLE SCHEDULE. (SEE NOTE 3)
DUCTBANK NOTES TO DESIGNER:
1. USE THIS SYMBOL ONLY WHEN SPECIFIC DUCTBANK SECTIONS ARE REQUIRED
TO INDICATE SPECIAL CONDITIONS, SUCH AS STEEL REINFORCING, WHICH
WOULD INVALIDATE THE DUCT SPACING AND CONCRETE ENCASEMENT
INFORMATION GIVEN IN THE GUIDE SPECIFICATIONS. INCLUDE THE REQUIRED
DUCTBANK SECTIONS ON THE DRAWINGS AND MODIFY THE SPECIFICATIONS.
2. DISPLAY DUCTBANK SECTIONS IN ANY OF THE FOLLOWING ACCEPTABLE WAYS:
3. PROVIDE A CABLE SCHEDULE CONTAINING CABLE DESIGNATION SYMBOLS, CABLE
DESCRIPTIONS, CONDUIT SIZES, ROUTING AND OTHER INFORMATION THAT MAY
BE NECESSARY. THIS INFORMATION SHOULD NOT BE REPEATED ELSEWHERE
ON THE DRAWINGS. IDENTIFY CABLE SHOWN ON SITE PLANS, FLOOR PLANS,
RISER DIAGRAMS, ETC. BY ITS CABLE DESIGNATION SYMBOL ONLY.
APPENDIX B-1
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