DESIGN DRAWING - CRG LOC.pdf

H

G

F

E

D

C

B

A

2" GALV. RACK

POST W/CAP

(TPY)

STAINLESS STEEL

CHANNEL

(TYP)

THOMPSON NO. 28R

OR EQUAL DOWN

CONDUCTOR ( TYP)

PIPE U-BOLT

GROUND CLAMP

UL LISTED FOR

THE APPLICATION

(TYP)

PVC END CAP (TYP)

#4/0 SARE CU

J

EXOTHERMICALLY "

WELDED TO EES

GROUND ROD

GROUNDING ELECTRODE

CONDUCTOR EXOTHERMICALLY

WELDED TO EES. SIZE IAW

NEC TABLE 250.66 BUT NO

LESS THAN #2

2" GALV. RACK

POST W/CAP

(TPY)

GROUND LUG

STAINLESS STEEL

CHANNEL

(TYP)

THOMPSON NO. 28R

DR EQUAL DOWN

CONDUCTOR < TYP)

PIPE U-BOLT

GROUND CLAMP

UL LISTED FOR

THE APPLICATION

(TYP)

PVC END CAP (TYP)

#4/0 BARE CU

J

EXOTHERMICALLY "

WELDED TO EES

GROUND ROD

GROUNDING ELECTRODE

CONDUCTOR EXOTHERMICALLY

WELDED TO EES. SIZE IAW

NEC TABLE 250.66 SUT NO

LESS THAN #2

THOMPSON NO. 28R

OR EQUAL HORIZONTAL

CONDUCTOR ( TYP)

I I ill' J

SPD

AIR TERMINAL 1/2' X 24'

THOMPSON NO. 572BT AND

NO. 61 IT MOUNT! NG BASE

OR EQUAL < TYP)

GEC TAP SIZE IAW NEC TABLE 250.66

SUT NO LESS THAN #6 AWG (TYP)

CONDUIT

"""'-.._ TO BLDG "'

1" PVC

CONDUIT

GROUNDED

CONDUCTOR

TO XFMR

FRONT VIEW

SERVICE DISCONNECT SWITCH RACK LAYOUT

1 (PHASE CONDUCTORS NOT SHOWN FOR DRAWING CLARITY)

EO 15 NOT TO SCALE

THOMPSON NO. 28R

DR EQUAL HOR I ZDNT AL

CONDUCTOR < TYP)

AIR TERMINAL 1/2' X 24'

THOMPSON NO. 572BT AND

NO. 611 T MOUNT I NG BASE

OR EQUAL ( TYP)

GEC TAP SIZE IAW NEC TABLE 250.6

SUT NO LESS THAN #6 AWG (TYP)

•�-DOWN CONDUCTOR FASTENED

TO POST AT INTERVALS

NOT EXCEEDING 3'-0'

EXOTHERMIC WELD TO #4/0

AWG COPPER CONDUCTOR NOT

LESS THAN 1' -6' ABOVE

GROUND LEVEL < TYP)

1" PVC

CONDUIT

#4/0 BARE CU

EXOTHERMICALLY

WELDED TO EES

GROUND ROD

.�-DOWN CONDUCTOR FASTENED

TO POST AT INTERVALS

NOT EXCEEDING 3'-0'

1" PVC

CONDUIT

SPD

GROUNDED

CONDUCTOR

TO XFMR

CONDUIT

"""'-.._ TO BLDG "'

FRONT VIEW

SERVICE DISCONNECT SWITCH RACK LAYOUT

2 (PHASE CONDUCTORS NOT SHOWN FOR DRAWING CLARITY)

E015 NOT TO SCALE

EXOTHERMIC WELD TO #4/0

AWG COPPER CONDUCTOR NOT

LESS THAN 1'-6' ABOVE

GROUND LEVEL < TYP)

1" PVC

CONDUIT

#4/0 BARE CU

EXOTHERMICALLY

WELDED TO EES

GROUND ROD f-----,-.--i

SIDE VIEW

7 6 5

4 3

WIREWAY

DISCONNECTS

SPD

3' (TYP.)

f-----,-.--i

SIDE VIEW

WIREWAY

DISCONNECTS

SPD

3' (TYP.)

4 3

2 1

GENERAL NOTES

1. THE DETAILS SHOW A TYPICAL RACK LAYOUT. THE TAPPED

SERVICE CONDUCTORS TD THE SPD DISCONNECT SHALL BE

KEPT AS SHORT AS POSSIBLE IN ALL INSTANCES.

2. THE SUPPORT FRAM I NG FDR THE DI SCDNNECT SW ITCHES IS

CONSTRUCTED OF I 5/8' STAINLESS STEEL WITH 2'

GALVANIZED PIPE FDR SUPPORTS. THE RACK IS BONDED TD

THE NEAREST EES. ALL HARDWARE IS STAINLESS STEEL.

3. THE PAD EXTENDS I' ON THE SIDES AND BACK, AND 3'

IN FRONT OF THE FACE OF THE EQUIPMENT MOUNTED ON

THE SERVICE SWITCH RACK.

4. CONNECT I ON OF SUPPORT FRAM I NG CHANNEL TD SUPPORT

POSTS IS MADE BY STAINLESS STEEL U-BDLTS WITH

FENDER WASHERS.

5. THE GROUND BUS IN EACH DISCONNECT SWITCH IS MOUNTED

TD THE ENCLOSURE WITH THE GROUND SCREW PROVIDED

WI TH THE GROUND BUS.

6. THE NEUTRAL BUS IN EACH DISCONNECT SW ITCH IS BONDED

TD THE ENCLOSURE WITH THE GREEN BONDING SCREW

PROVIDED WITH THE NEUTRAL BUS.

7. THE GEC IS BARE COPPER DR LABELED 'GEC' IF

INSULATED.

LEGEND

[!D NEUTRAL BUS (SEE NOTE 6)

[QJ GROUND BUS CSEE NOTE 5)

� IRREVERSIBLE COMPRESSION CONNECTOR

INSULATED MULTI-TAP CONNECTOR

GROUND BUSHING

GROUNDED CONDUCTOR

GROUNDING ELECTRODE CONDUCTOR CGEC)

C SEE NOTE 7)

EQUIPMENT GROUNDING CONDUCTOR

FOR OFFICIAL USE ONLY

PUBLIC AVAILABILITY TO BE DETERMINED UNDER 5 USC 552

REV DATE DESCRIPTION JCN REDLINE APVD

t-�--��----------------��-�D�ATE�-�--t

DESIGN DRAWINGS

03/06/2019

DEPARTMENT OF TRANSPORTATION

FEDERAL AVIATION ADMINISTRATION

ATC - TECHNICAL OPERATIONS EASTERN SERVICE AREA

CRAIG FIELD SWITCH RACK LAYOUT

CRG-1305110

CRAIG FIELD EXECUTIVE AIRPORT JACKSONVILLE FL

REVIEWED BY SUBMITTED BY APPROVED BY

R. POLK PROJ. ENGR. M. BHATIA MGR, ATL-INF

PROJECT ENGINEER

DESIGNED DATE

MANAGER, INFRASTRUCTURE CENTER

DATE

03/06/2019

JCN

REV DRAWN DATE

DRAWING NO.

CRG-1305110l---+-----b=

CHEC=

KED --

DATE ---

2 1

H

G

F

E

D

C

B

A