256_EP502_R1_AMENDMENT 009.pdf

AF-1APRIL 2015

GENERAL ARC FLASH WARNING LABEL

SKETCH DATE STYLE

NOTES:

1. PROVIDE SELF-ADHESIVE VINYL LABEL TO AFFIX TO ELECTRICAL EQUIPMENT TO

WARN OF ARC FLASH HAZARDS.

2. THE LABEL FORMAT AND TEXT SHALL BE IN ACCORDANCE WITH THE FIGURE.

3. THE LABEL SHALL BE LOCATED ON THE EQUIPMENT TO BE CLEARLY VISIBLE TO

QUALIFIED PERSONS BEFORE EXAMINATION, ADJUSTMENT, SERVICING, OR

MAINTENANCE OF THE EQUIPMENT.

4. THE SIZE OF THE LABEL SHALL BE MINIMUM:

EQUIPMENT TYPE HEIGHT WIDTH

INDOOR 2" 3"

OUTDOOR 3" 4.5"

5. A DOWNLOADABLE WINDOWS METAFILE IS AVAILABLE ON THE WHOLE BUILDING

DESIGN GUIDE WEBSITE ( WWW.WDBG.ORG ) FOR USE IN A LABEL MAKING MACHINE.

A. THE FILE IS LOCATED ON THE "NAVFAC CADD DETAILS" PAGE. TO

NAVIGATE TO THIS LOCATION,

FOLLOW: HOME > DOCUMENTS & REFERENCES > CCB > CADD LIBRARY > NAVFAC CADD

RESOURCES > NAVFAC CADD DETAILS.

B. ALTERNATIVELY, TYPE IN THE FOLLOWING ADDRESS IN INTERNET EXPLORER:

HTTP://WWW.WBDG.ORG/CCB/BROWSE_CAT.PHP?C=232

WIDTH

HEIGHT

ARC FLASH WARNING LABEL DETAIL NOTE:

1. PROVIDE AT EACH PANELBOARD, DISCONNECT, STARTER, HVAC CONTROL PANEL, AND

LIGHTING CONTROL PANEL.

2' -0

M

A X

WIDTH OF

PANEL SLIP JOINT NOTES 3 & 7 (TYP)

SLOTTED CHANNEL SYSTEM

WALL/FLOOR ANCHORS (TYP)

SLOTTED CHANNEL RACK DETAIL NOTES:

SLOTTED CHANNEL ANGLE

ACCESSORIES (TYP)

DECK HEIGHT VARIES

REFER TO A-SERIES SHEETS

ELEVATION SECTION

BUILDING FRAMING

1. ANCHOR TO FLOOR AND WALL FRAMING.

2. PROVIDE BOLTED CONNECTIONS BETWEEN STRUT PIECES AND BETWEEN STRUT AND EQUIPMENT.

3. PROVIDE 1/2" CLEAR SLIP JOINT AT VERTICAL SLOTTED CHANNEL TO ALLOW FOR

STRUCTURAL DEFLECTION. SECURELY ANCHOR SLIP JOINT TO STRUCTURE.

4. DO NOT SECURE TOP OF VERTICAL SLOTTED CHANNEL TO CEILING OR WALL.

5. PROVIDE ADDITIONAL VERTICAL SLOTTED CHANNEL EVERY 20 INCHES FOR WIDER

PANELBOARDS OR CONTROL PANELS OR GROUPS OF PANELBOARDS OR CONTROL PANELS.

INCLUDE ADDITIONAL HORIZONTAL SLOTTED CHANNEL PER DETAIL.

6. PROVIDE STEEL SLOTTED CHANNEL SUPPORT FOR MOUNTING PANELBOARDS, CONTROL

PANELS, VFD'S, STARTERS AND DISCONNECT SWITCHES.

7. PROVIDE SLIP JOINT TIGHTEN BOLT THROUGH SLOTTED CHANNEL HAND TIGHT. PROVIDE

LOCKNUT AND DOUBLE NUT. TIGHTEN NUTS AGAINST EACH OTHER.

8. PROVIDE MANUFACTURER'S NON-METALLIC END CAPS AT CHANNEL ENDS WHERE EXPOSED.

JUMPERS

NOTE 5: GROUNDING

ELECTRODE CONDUCTOR

SUPPLY-SIDE

BONDING

TERMINAL

ISOLATED NEUTRAL

208/120V WYE

EQUIPMENT GROUNDING

CONDUCTOR

480V DELTA

TRANSFORMER

BONDING JUMPER

PROVIDE SYSTEM

CBA

DRY TYPE

MAIN BREAKER

PANEL

NOTE 3

GN

NEUTRAL

1. PROVIDE AT DRY-TYPE TRANSFORMER.

2. PROVIDE GROUNDING ELECTRODE SIZED PER NEC FOR TRANSFORMER SIZE AND SECONDARY PANELBOARD

MAIN CIRCUIT BREAKER.

3.

4. PROVIDE SECONDARY CONDUCTORS AS PER NEC FOR SEPARATELY DERIVED SYSTEM.

5. PROVIDE EMT WITH ANTI-CHOKE BONDING CONNECTORS AT EACH END OF GROUNDING ELECTRODE

CONDUIT IN ACCORDANCE WITH NEC 250.64(E)(1).

TRANSFORMER GROUNDING DETAIL NOTES:

TO NEAREST GROUNDING

ELECTRODE. REFER TO

DETAIL A4/EP502.

PROVIDE ENGRAVED INFORMATIONAL LABEL AT TRANSFORMER. INCLUDE SOURCE, TRANSFORMER

DESIGNATION, LOAD SERVED, VOLTAGE, AND KVA RATING. PROVIDE ENGRAVED INFORMATIONAL LABEL AT

GROUNDING ELECTRODE CONNECTION LOCATION. COORDINATE WITH CONTRACTING OFFICER.

1. PROVIDE SUPPORT TO MAINTAIN MIN OF 2 INCHES OF CLEARANCE BETWEEN THE

BOTTOM OF ROOF DECK AND THE TOP OF CONDUITS, BOXES, FIXTURES, AND

DEVICES TO AVOID DAMAGE FROM ROOFING SCREWS.

2. PROVIDE SLOTTED CHANNEL SUPPORT TO SPAN ACROSS TRUSSES.

3. COMPLY WITH NEC 300.4(E). PROVIDE AT LEAST 2-INCH SPACING INSTEAD OF

NEC MINIMUM 1.5 INCHES.

4. PROVIDE BEAM CLAMPS AT TOP FLANGE OF BEAM OR TOP CHORD OF ROOF

JOISTS OR TRUSSES.

ROOF DECK INSTALLATION DETAIL NOTES

ROOF ASSEMBLY

JUNCTION BOX, TYPICAL

CONDUIT, TYPICAL

STEEL DECKING, WHERE EXIST

2" MIN

CLEARANCE

CONDUIT AND BOXES BELOW

3/8" ROD

BEAM CLAMPS (TYP) WHERE BEAMS EXIST

1. COMPLY WITH NEC, SPECIFICALLY NEC 250.50 AND 250.52.

2. PROVIDE THERMAL WELDED OR IRREVERSIBLE COMPRESSION CONNECTIONS.

3. MINIMUM CONDUCTOR SIZE TO GROUNDING ELECTRODES MUST BE #4/0 COPPER.

4. GROUND PLATE CONNECTION MUST BE UL LISTED, SUITABLE FOR DIRECT BURIAL, THERMAL WELD.

5. WATER PIPE CLAMPS MUST BE BRONZE, UL LISTED FOR WATER OR GAS PIPE SIZE AND INCLUDE LUG

WHICH IS UL LISTED FOR GROUNDING ELECTRODE CONDUCTOR SIZE.

6. PROVIDE ENGRAVED WARNING SIGN. INTENDED TEXT: "WARNING: GROUNDING SYSTEM CONNECTION - DO

NOT REMOVE".

7. PROVIDE GROUND WIRE WITHIN CONCRETE ENCASED DUCTBANK.

8. FIELD VERIFY AND PROVIDE CONNECTION TO EXISTING BUILDING GROUNDING SYSTEM.

9. SIZE IN ACCORDANCE WITH THE IMMEDIATE APPLICATION REQUIREMENTS AND WITH CONDISERATION FOR

FUTURE GROWTH.

10. PROVIDE AT EACH LOCATION INDICATED IN SHOP 111. PROVIDE A SEPARATE GROUND WIRE FROM EACH

GROUND BUS BACK TO THE SERVICE GROUND ("STAR PATTERN").

ELECTRIC SERVICE GROUNDING DETAIL NOTES

MAIN GROUND BUS, COPPER

MAIN SWITCHBOARD, MSB

METAL WATER PIPE

BUILDING STEEL

GROUND RODS /

PLATES

WATER ENTRANCE

FIRE PROTECTION MAIN

POWER SYSTEM

GROUNDING BAR (TYP)

NOTE 6 (TYP AT EACH BUS BAR)

NOTE 6

NOTE 6

NOTE 6

PBBSBBNOTE 7

BRIDGE CRANE STRUCTURE

(TYP 3 CRANES)

NOTE 8

IN ELEC 114

IN SHOP

111 (TYP)NOTE 9

NOTE 10

1. PROVIDE TELESCOPING RIGID BOX SUPPORT TO LOCATE DEVICES BOXES AT LOCATION INDICATED ON PLANS.

2. PROVIDE AT LOCATIONS WHERE TEMPERATURE SENSORS, POWER ,PHONE, COMMUNICATIONS, SECURITY, AND

DATA OUTLETS ARE SHOWN IN THE SAME AREA.

3. PROVIDE AT OFFICE DESKS, SYSTEMS FURNITURE, AND SIMILAR LOCATIONS.

4. PROVIDE TO LOCATE LIGHT SWITCHES, FIRE ALARM PULL STATIONS, RECEPTACLES, EMERGENCY SHUT DOWN

SWITCHES AND SIMILAR ITEMS ADJACENT TO DOOR FRAMES.

5. PROVIDE WHERE DEVICES ARE INDICATED AS BEING "CENTERED" WITH RESPECT TO OTHER BUILDINGI

FEATURES.

6. PROVIDE TO LOCATE DEVICES AS INDICATED ON ELEVATIONS. REFER TO AE SHEETS.

7. PROVIDE IN LOCATIONS WHERE FRAMING MEMBER LOCATIONS, SPACING OR QUANTITY IS NOT SUFFICIENT TO

LOCATE DEVICES OR GROUPS OF DEVICES AS INDICATED.

8. COORDINATE WITH FRAMING INSTALLER TO ADJUST WALL STUDS FOR CENTERING DEVICE BOXES. PROVIDE

ADDITIONAL FRAMING STUD AT LOCATIONS WHERE FRAMING SPACING IS ADJUSTED.

9. DEVICE BOXES TO BE BACK MOUNTED ON PLATE. DEVICE RAISED RINGS TO BE FRONT MOUNTED ON PLATE.

10. VERIFY MOUNTING HEIGHTS AT EACH LOCATION WITH CONTRACTING OFFICER.

ELECTRIC DEVICE BOX MOUNTING DETAIL NOTES:

FLOOR

ELEVATION

TYPICAL FRAMING MEMBER

TELESCOPING RIGID BOX

SUPPORT

NOTE 8

ET502

SATISFACTORY TO DATE

APPROVED

FOR COMMANDER NAVFAC

SEAL

A

B

C

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1 2 3 4 5

1 2 3 4 5

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SHEET

NAVFAC DRAWING NO.

DESIGNER

DRAWN BY

CHECKED BY

OF

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DRAWFORM REVISION: 14 SEP 2023

DESIGN MANAGER

PROJECT MANAGER

FEAD/PM&E

FIRE PROTECTION

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SCALE: NOT TO SCALE

B1

ARC FLASH LABEL

SCALE: NOT TO SCALE

C2

SLOTTED CHANNEL RACK DETAIL

SCALE: NOT TO SCALE

C4

TRANSFORMER GROUNDING DETAIL

SCALE: NOT TO SCALE

A1

CONDUIT AND BOXES BELOW ROOF DECK INSTALLATION DETAIL

EP501

SCALE: NOT TO SCALE

A4

ELECTRIC SERVICE GROUNDING DETAIL

EP102, EP502SCALE: NOT TO SCALE

A3

ELECTRICAL DEVICE BOX MOUNTING DETAIL

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